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1-侧进式搅拌器安装、使用及维护手册

OPERATION & MAINTENANCE

MANUAL

FOR

SHARPE MIXERS LIQUID AGITATION EQUIPMENT

READ BEFORE UNPACKING MIXER

YOUR MIXER HAS BEEN TESTED AND SHAFT STRAIGHTNESS VERIFIED PRIOR TO SHIPMENT. CAREFUL HANDLING OF SHAFT PRIOR TO AND DURING INSTALLATION WILL ENSURE PROPER OPERATION. THE FOLLOWING CRITERIA MUST BE ADHERED TO IN ORDER TO PREVENT DAMAGE TO EQUIPMENT OR SERIOUS INJURY TO OPERATING PERSONNEL:

WARNING

?HIGH VOLTAGE AND ROTATING PARTS CAN CAUSE SERIOUS OR FATAL INJURY. ONLY EXPERIENCED PERSONNEL MUST OPERATE OR SERVICE THIS EQUIPMENT.

?NEVER ENTER TANK WITHOUT LOCKING-OUT POWER TO MIXER.

?LOCKOUT POWER PRIOR TO REMOVING ANY GUARDS OR SERVICING ANY PART OF THIS EQUIPMENT, INCLUDING INITIAL INSTALLATION AND/OR INSPECTION.

?THIS MANUAL MUST FIRST BE FULLY READ AND UNDERSTOOD PRIOR TO INSTALLATION BY ALL PERSONNEL INSTALLING AND/OR OPERATING THIS, OR NEAR THIS EQUIPMENT.

?NEVER USE THIS EQUIPMENT FOR ANY USE OTHER THAN DESCRIBED IN THE ORIGINAL PROPOSAL AND APPLICATION BOX ON THE DATA SHEET.

?MODIFICATIONS UNAUTHORIZED BY SHARPE MIXERS TO THIS EQUIPMENT MAY DAMAGE EQUIPMENT OR CAUSE SERIOUS INJURY TO PERSONNEL.

CAUTION

?ALWAYS READ THE SERVICE MANUAL THOROUGHLY BEFORE INSTALLATION AND START-UP.

?OPERATION OF MIXER IN AIR IS NOT RECOMMENDED.

?ALWAYS FOLLOW MOUNTING RECOMMENDATIONS DESCRIBED IN ORIGINAL PROPOSAL. MIXER PLATFORM MUST BE STABLE.

?EXTENDED OPERATION OF MIXER WHEN LIQUID LEVEL IS AT OR NEAR BOTTOM IMPELLER IS NOT RECOMMENDED. ?ALWAYS ROTATE THE SHAFT BY HAND TO VERIFY STRAIGHTNESS PRIOR TO OPERATION IN LIQUID.

?ALWAYS CHECK ASSEMBLY DRAWING AND DATA SHEET FOR SPECIAL OPERATING SPEED REQUIREMENTS IF USING A VARIABLE SPEED DRIVE.

?ALWAYS FLUIDIZE SETTLED SOLIDS BEFORE STARTING MIXER.

?NEVER LIFT MIXER BY SHAFT.

ANY EXCEPTIONS TO THE ABOVE MUST BE AGREED UPON IN WRITING BY SHARPE MIXERS AND NOTED ON THE ASSEMBLY DRAWING.

SHARPE MIXERS

P.O. BOX 3906

SEATTLE, WA 98124

(206) 767-5660 ?FAX (206) 767-9170

(800) 237-8815

M5QuoteProgram,LOGO,052202.xls

MANUAL V-SERIES FGD LONG RET. SCB428 121406

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Table of Contents

SECTION A MIXER DATA SHEET, DRAWINGS & COMPONENT DATA....................A-1 (previous section) SECTION B INITIAL INSPECTION, RECEIVING AND STORAGE....................................................B-1,pg 1 MOUNTING THE DRIVE................................................................................................B-2,pg 2 INSTALLING THE MIXER IMPELLER............................................................................B-3,pg 3 MOTOR CONNECTIONS & LUBRICATION...................................................................B-4,pg 3 MECHANICAL SEAL START UP PREPARATION.........................................................B-5,pg 4 START UP & OPERATION.............................................................................................B-6,pg 5 START-UP CHECK LIST................................................................................................B-7,pg 6 SECTION C V-SERIES PARTS DETAIL.............................................................................................C-1,pg 7 V-SERIES MAINTENANCE & LUBRICATION................................................................C-1,pg 8

OUTER BEARING REMOVAL........................................................................................C-2,pg 8 SHAFT RETRACTION....................................................................................................C-3,pg 9 REASSEMBLY..............................................................................................................C-4,pg 13 V-BELT MAINTENANCE .............................................................................................C-5,pg 16 TROUBLE SHOOTING GUIDE.....................................................................................C-6,pg 18 RECOMMENDED SPARE PARTS...............................................................................C-7,pg 20 SECTION D MISCELLANEOUS DETAILS & INSTRUCTIONS (when required) ........................................D-1

B1.1 This mixer has been inspected at the factory prior to shipment. Immediately upon receipt of the equipment inspect the crating and contents for any damage that may have

occurred in transit. Check against the packing slip and the certified drawings in section A to make sure that all parts were received. Report any damage or missing items immediately to the carrier and to Sharpe Mixers . Keep shipping containers for possible future storage or shipping. B1.2 WHEN LIFTING THE

EQUIPMENT USE NON-METALLIC SLINGS TIGHTENED AROUND THE MIXER HOUSING. Verify all loads are balanced before lifting. Do not stand underneath suspended loads. Do not lift the mixer by the shaft. Do not lift the mixer using the motor lifting lug. See figure B1.1 B1.3 STORAGE : Storage is when a) mixer has been delivered to the job site and is awaiting installation, b) mixer has been installed, but start up has been delayed, c) there are long idle periods of time between operating cycles.

Store the mixer in a clean, dry location, with circulating air, free from wide variations in

temperature. Electric motors are easily damaged by moisture. Store the entire unit off the floor, covered with plastic, and use desiccants to reduce moisture buildup. If the motor shows signs of moisture absorption before start-up, dry the motor out by applying 10% voltage on two leads ( if in doubt, measure resistance in

windings, one to three meg-ohms is normal). Relubricate motor before start-up when in storage six months or more.

V-Belts are best stored by removing them from the sheaves. Spray a metal protectant on the sheaves or any other unprotected mild steel part. Remove all the metal protectant before reinstalling belts.

Mixer shaft bearings require extra

protection when stored. Add grease until it shows at the seals, rotate bearings to distribute grease, and cover the bearings. Rotate shaft every 6 months to prevent creating “flats” on bearings.

Figure B1.1

B2.1Mounting structure must be stable and strong enough to handle torque, bending moment, and weight shown on assembly drawings. The structure must not flex or vibrate when the mixer is in operation. If mounting to an unstable support, mixer loads may cause damage to the equipment, tank, or other hazards. The following options may be used.

Always use gaskets between flange faces before bolting the mixer to the nozzle for proper sealing. See figures B2.1 – B2.3 for mounting details.

MOUNTING OPTIONS

B2.2 Pedestal Support Recommended for FGD applications. See drawing #A12005 for complete detail. The pedestal foundation must be attached to the tank foundation (see illustration in figure B2.1A). The pedestal must rest on the same foundation as the tank to prevent stress on the mixer frame and mounting nozzle when the tank settles. Distortion from this stress can cause mis-alignment of the mixer seal and may create premature seal wear and failure. After installing the flange mounting bolts, adjust the pedestal until the weight of the mixer has been transferred equally between the pedestal and the nozzle. See figure B2.1A for mounting details.

B2.3Pier supports are recommended for larger-horsepower mixers. The concrete pier is built under the base of the V-Series housing. The concrete pier must be poured on top of, or otherwise attached to, the tank foundation, to prevent stressing the mixer frame and the mounting nozzle when the tank settles.

After installing the flange mounting bolts, shim the pier until the weight of the mixer has been transferred equally between the pier and the nozzle. See the assembly drawing in Section A

for stud location. See figure B2.3 for mounting details

Figure B2.1A

ALTERNATE MOUNTING METHOD

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MANUAL V-SERIES FGD LONG RET. SCB428 121406

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B3.1- Refer to mixer assembly and impeller detail drawings in the front of the manual for proper impeller rotation, positioning, and placement.

B3.2- 1-Piece Impellers: Slide the impeller on the shaft facing the correct way according to the assembly drawings (See figure B3.2). For impellers with keys, tighten the setscrew securely over the key. Do not hammer parts in place. If keys do not fit, grind to size. Tighten setcrew, jam nut/end bolt securely, see torque rating page 12.

B4.1- Wiring : Starting and overload control devices must be matched to motor rating. Follow control manufacturer's instructions for proper connections and installation.

B4.2- Electrical connections must conform to National Electrical code and all local regulations. Line voltage and wire capacity must match motor ratings on motor nameplate. Motors must be wired according to the wiring diagrams on the motor.

B4.3- Test line resistance to check for possible moisture in the motor. Do not apply power if any resistance exceeds one to three meg-ohms.

B4.4 Rotation: MECHANICAL SEAL MUST BE PREPARED BEFORE APPLYING POWER TO THE MOTOR. Rotation of the impeller must be according to the assembly drawing and data sheet. Common rotation is clockwise when looking from the belt drive into the tank. Interchange lines if necessary for proper rotation.

B4.5- Electric AC Variable Speed: Electric motors using an AC variable frequency controller must be wired following the instructions supplied with the controller. See data sheet and assembly drawings for possible RPM lockout ranges. Operate only at speeds outlined on those sheets. Damage to equipment or serious injury to personnel can result, If speed limitations are not followed.

B4.6- Motor lubrication: Electric motor bearings are often sealed and need no relubrication. When zirc fittings are present, relubricate with a No. 2 consistency lithium soap base and petroleum compound. Relubricate every 6 months to 1 year depending on usage. Open and clean drains. Add grease until new grease is forced out drain. Remove excess grease and replace input plugs. Run motor one half hour before replacing drain plugs.

B4.7- Grease the Mechanical Seal See Section B-5.2

WARNING: Always lockout power before servicing impeller.

Figure B3.2

WARNING: High voltage and rotating parts can cause serious or fatal injury. Electric machinery can be hazardous. Installation, operation, and maintenance of electric machinery must be performed by qualified personnel. Full understanding of National Electrical Code and local building codes is required.WARNING: Ground the mixer motor properly to avoid serious injury to

personnel. Grounding needs to be in accordance with the National Electrical Code and consistent with local building codes.

CAUTION: Mechanical Seals use Seal Retaining Clips that must be rotated into operating position before applying power to the mixer. Do not test motor rotation before preparing Mechanical Seal or seal damage will occur. See Section B5

MANUAL V-SERIES FGD LONG RET. SCB428 121406

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B5.1- Typically the mixer will be shipped from the factory with the Seal Setscrews #411, properly tightened, and the Retaining Clips #417,

rotated into the “shipping” position, as shown in the photo below.

Confirm all Seal Setscrews #411, are torqued properly and the Retaining Clips #417 are

removed and stored (in tool kit) for future use before starting mixer.

B5.2- Fill the Mechanical Seal with grease prior to starting the mixer. The seal is designed to purge excess grease out of the elbow “vent” located at the top of the seal. Remove any plugs or fittings that may be installed for shipping purposes in the elbow “vent” before applying grease or seal damage may occur. Use NGL-1 grease containing NO Molybdenum . Pump grease into the zirc fitting, #421, until grease exits the elbow vent at the top of the seal.

Note: Previous seals may have positioned the grease fitting on the side of the seal if a vent fitting was used. The SCB-428 seal is designed to operate with the zirc fitting positioned at the bottom of the seal and an open “vent” elbow on the top. Rotate if the seal is in incorrect position.

The grease is used to lubricate and clean the seal of dirt that builds up in the seal cavity during operation. Re-grease the seal periodically every 2 weeks and check the condition of the old grease as it is purged out the overflow plug. Re-grease more often if the old grease is dirty.

CAUTION: Do not start mixer before preparing Mechanical Seal or seal damage will occur. Seal MUST be greased, Retaining Clips removed and

stored, and all setscrews properly torqued prior to Start-Up.

S e a l s m u s t b e g r e a s e d r e g u l a r l y E V E R Y 2 W E E K S w i t h N G L -1 (C o n t a i n i n g N O M o l y b d e n u m )

previously authorized.

CAUTION:

-Do not start mixer with impeller buried in solids or if excessive solids are on tank floor or damage will occur.

-Do not run mixer unless impeller is submerged or seal damage will occur. MANUAL V-SERIES FGD LONG RET. SCB428 121406 - 5 -

B7.0 Start-Up Checklist

Prior and during start-up check that the following things have been completed:

Manual was read and fully understood __________

All Certified drawings have been reviewed __________

Outboard support has been shimmed and leveled so that the

mixer flange is parallel to tank flange ____________________

Driven belts have been aligned and tensioned __________

All guards have been installed __________

Bearings have been greased and setscrews tightened __________

Impeller has been installed correctly (see certified drawings) __________

All assembly bolts have been checked and tightened __________

Mechanical Seal Retaining Clips removed and saved __________

Mechanical Seal properly greased __________

Mechanical seal setscrews/drive ring torqued (see page 12) _________

Wiring correctly installed, grounded and insulated __________

Motor checked for moisture absorption

(Resistance must measure less than 3 meg-ohms) ___________

Check shaft rotation against certified drawings __________

Impeller immersed in liquid before operation _________

Correct voltage/amperage @ start-up:

Motor nameplate F.L.A.: __________________________

F.L.A. measured with amp meter (each lead) __________

Actual line voltage measured (each lead) __________

Check for excessive heat during operation at Mechanical Seal __________

Excessive vibration at mixer support or flange? _______________

Mixer operating to design specifications ________________

_________________________________ __________________________

INSPECTOR DATE

MANUAL V-SERIES FGD LONG RET. SCB428 121406 - 6 -

ITEM PART

NAME

100 Motor

103 Motor bushing key

123 Motor mounting bolts, nuts, & washers

130 Motor mounting plate

131 Motor adjustment studs (4)

132 Motor adjustment nuts (16)

?300 Inboard bearing

?302 Outboard bearing

306 Bearing mounting bolts & washers

307 Bearing snap ring

308 Bearing jacking bolts (2)

314 Bearing setscrews

320 Bearing Remo Plate

?371 V-Belts

372 Motor sheave

373 Driven sheave

374 Motor bushing

375 Driven bushing

376 Belt guard

377 Belt guard base

378 Belt guard bolts, nuts, & washers

379 Belt guard base mounting nuts & washers (8) 380 Motor sheave bushing bolts & washers (3) 381 Driven sheave bushing bolts & washers (3) 382 Driven bushing key

?400 Mechanical Seal

411 Seal

Setscrews

413 Seal Mounting Bolts/Clamps (4)

417 Seal Retaining Clips

421 Seal zirc fitting

436 Seal Drive Ring Screws

475 Shaft Support Cradle (not shown)

551 Mixer Frame

552 Mounting Flange

555 Tie rod assembly (not shown)

556 Pipe leg supports (shown)

559 Mounting Flange fasteners (by others) ? 600 Mixer Shaft

672 Retraction Collar (not shown)

673 Retraction Collar clamp bolts

674 Seal Collar

? 675 Seal Collar Cup

677 Retraction Collar Jacking Screws (2)

678 Retraction Collar Mounting Bolts

730 Impeller key

731 Impeller setscrew

750 Impeller

? = Recommended spare part

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MANUAL V-SERIES FGD LONG RET. SCB428 121406

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C2.1 This procedure is to remove the Outboard

Bearing #302 from the mixer. If the Inboard

Bearing #300 is also to be removed the Shaft

Retraction procedure must be used. See "Shaft Retraction", Section C3.1. Shaft retraction is not required to remove outboard bearing .

Figure C2.2

MANUAL V-SERIES FGD LONG RET. SCB428 121406 - 9 -

C3.3-Disconnect the power from the mixer motor and lock to prevent accidental start-up of equipment.

C3.4-Remove the Belt Guard #376. Lower the motor by loosening the motor adjustment nuts #132. Remove the Belts #371.

C3.5Re-install the Seal Retaining Clips #417 on the Mechanical Seal to protect and hold the seal position during removal. Rotate the clips around so they hold the sleeve collar. Rotate the mixer shaft if necessary to avoid covering the seal setscrews with the clips. Push the Retaining Clips tight against the seal sleeve and tighten in place.

C3.6- Loosen the (6) seal setscrews #411, Remove the (6) Drive collar Screws #436 and install the screws in the Seal Drive Ring’s retraction taps. Remove the drive ring, slide away from the seal to prevent tapered ring from binding during retraction (see ABOVE).

Loosen the (4) setscrews in the Bearings #300 & #302.

Remove the four mounting bolts from the Inboard Bearing #300.

C3.7-Install the Shaft Support Cradle #475 under the shaft between the two bearings (this tool is shipped in a separate toolbox marked “service tool kit”). Apply grease to the top saddle of the Cradle where it will contact the shaft when raised. Position the tool approximately 40mm back from the snap ring on the inboard bearing #300, See Figure C3.1. The four jacking screws in the base of the tool may need to be loosened to allow the Cradle to fit under the shaft. Tighten the base screws to raise the Cradle until it fits snug under the mixer shaft. Do not over-tighten

the base screws or the shaft and/or the seal may

be damaged.

C3.8-The shaft may now be retracted. Tighten the two shaft Retraction Bolts #308 against the flange on the inboard bearing #300 to push the shaft outwards from the tank. The shaft will slide backwards through the outboard bearing and the seal (make sure all BEARING AND SEAL setscrews are loose.)

Note: If the shaft cradle is used next to the mechanical seal to free the seal sleeve, it must be removed and placed as shown in figure 3.1 before you retract the shaft beyond 20 mm.

Tip: If retraction becomes difficult and the seal sleeve starts to move after retracting approximately 20mm or more, loosen (but do not remove) the (4) seal mounting bolts. This will allow the seal to retract with the shaft until the seal collar cup #675 seals off the tank contents. CAUTION: SHAFT MUST SLIDE THRU THE

SEAL SLEEVE.

IF THE SLEEVE MOVES WITH SHAFT PERMANENT SEAL DAMAGE WILL OCCUR.

STOP RETRACTION AND MOVE SHAFT CRADLE NEXT TO SEAL. ADJUST CRADLE TO REMOVE THE SHAFT WEIGHT FROM THE

SEAL.

Figure 3.1

CAUTION: The seal can be easily damaged. Handle with care.

DO NOT HAMMER THE SEAL!

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MANUAL V-SERIES FGD LONG RET. SCB428 121406

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The shaft will retract (~35 mm depending on mixer model) until further retraction becomes difficult. This indicates the seal collar cup #675 is tight against the tank side of the mounting flange #552, sealing off tank contents from leakage.

CAUTION: The seal can be easily damaged. Handle with care. DO NOT HAMMER THE SEAL!

C3.9- Remove the (4) seal mounting bolts and clamps #411, Move the seal back towards the inboard bearing. NLG #1 grease may be used on the shaft to help move the seal.

If leakage occurs when the seal is moved back, retighten the jacking screws #308 to further tighten the Seal Collar Cup #675 against the Mixer Flange.

Clean the raised center ring on the flange where the seal rested. The register on the support collar will fit into this ring to center the shaft when the bearings are removed.

C3.10- Install the Retraction Collar #672 on the shaft against the flange where the seal was originally mounted See figure C3.3, and photo above.

The shaft and the bore of the collar must be clean or the shaft may be scratched and damaged.

Fit the pilot ring on the collar into the center recess in the flange. Finger-tighten the two clamping bolts, #673. Align the four holes in the collar with the tapped holes in the flange, and install the four mounting bolts supplied in the tool kit. Tighten the mounting bolts to bring the collar flush against the flange face. DO NOT USE the SEAL MOUNTING BOLTS, they are too long and will damage the mixer flange.

Tighten the two clamping bolts #673 securely to clamp the collar tight onto the shaft. Slightly loosen the four collar mounting bolts, #678 and tighten the two jackscrews #677 in the collar to transfer the tension on the shaft to the collar. Re-tighten the four clamp mounting bolts, #678.

The retraction collar #672 will now hold the shaft in position when the bearings are removed. C3.11- Loosen the (2) jacking screws #308 from the mid plate. Loosen the (4) screws in the base of the Shaft Support Cradle #475 and lower the Cradle so it can be removed.

C3.12- The Outboard Bearing #302 may now be removed. Clean the end of the shaft before removing bearing. Light oil may be used to aid in bearing removal. Remove the mounting bolts from the Bearing Removal Plate #320. Slide the Outboard Bearing #302, and Removal Plate #320 off end of shaft. If the plate and bearing are stuck in place, thread two bolts into the tapped holes in the Removal Plate and tighten to use as jacking screws . Do not hammer or rock parts or mixer components may be damaged.

C3.13- Remove the snap ring next to the Inboard Bearing using snap-ring pliers .

CAUTION: The seal can require some effort to remove, DO NOT pry on the seal body or any o-ring area. If needed

GENTLY pry on the zirc fitting and grease vent. Adjusting the shaft support cradle will assist in seal removal.

C3.14- Remove the Inboard Bearing

#300 from the shaft. Light oil may be applied on the shaft to aid in disassembly. The Support Cradle may be used to better align the shaft and remove the bearing. Move seal and bearing as far out from tank as possible and place cradle directly behind these parts. Install the cradle above the shaft so that the cradle screws press against the upper section of the mixer frame and push the shaft downwards to align.

The Mechanical Seal may now be removed from the shaft and serviced.

USE CAUTION WHEN SLIDING THE SEAL OVER THE SHAFT KEYWAY OR SEAL O-RING MAY BE DAMAGED.

Covering the keyway with tape will protect the

seal during removal.

Figure C3.3

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MANUAL V-SERIES FGD LONG RET. SCB428 121406

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C4.1-

To reassemble, reverse above procedure.

Use caution when installing seal

over keyways and steps

. Scotch tape may be used to cover sharp edges on the shaft at the

keyways and snap-ring grooves to protect the seal from damage.

The flange register and shaft must be free of burrs, debris and sharp edges.

C4.2-

Slide the mechanical seal #400 without drive collar partway on the shaft. Make sure the o-rings are in place in the seal sleeve and on the mounting face. The Seal Retaining Clips #417 must be installed to hold the seal height. Apply NLG #1 grease on the larger diameter section of the shaft where the seal will be placed.

Carefully slide the seal onto the larger section of the shaft. Some force is needed to get the O-ring over the shaft step.

Install the seal drive collar on the shaft as

C4.3- Apply Anti-Seize (Marine Grade recommended) to the inside of each bearing to prevent corrosion and to allow for easy disassembly later. Do the same to the machined registers where the bearings will mount in the mixer frame and mixer shaft.

C4.4- Install the Inboard Bearing #300

onto the shaft. It may be necessary to use the Support Cradle to align the shaft to install the bearing through the rear plate. Slide the snap ring onto the shaft towards the bearing.

C4.5- Install the Outboard Bearing and Remo Plate #302/#320 and bolt assembly in place on the mixer frame. Remove the Support Cradle from the shaft and slide the Inboard Bearing #300 into position.

Install the snap-ring into the groove. Confirm the snap-ring is fully set in place before proceeding.

C4.6- Install the Shaft Support Cradle #475 under the shaft between the two bearings see figure C3.1. Apply grease to the top saddle of the Cradle where it will contact the shaft when raised. Position the tool approximately 5mm back from the snap ring on the inboard bearing #300, See Figure C3.1. The four jacking screws in the base of the tool may need to be loosened to allow the Cradle to fit under the shaft. Tighten the base screws to raise the Cradle until it fits tightly under the mixer shaft. Do not over-tighten the base screws or the shaft and/or the seal may be damaged.

C4.7- Install the Jacking Screws #308 in the mid-plate and tighten against the Inboard Bearing #300.

C4.8- Remove the (4) mounting bolts from the Retraction Collar #672. Loosen the (2) jackscrews #677 in the Retraction Collar #672. If excessive leakage occurs, retighten the Bearing Jacking Screws #308 to increase the tension and pull the Seal Collar Cup #675 tighter against the flange. Remove the Clamp Bolts #673 in the Retraction Collar and remove the collar. Wrap the part in a rust-inhibiting wrapper and place in the Service Tool Kit.

C4.10- Inspect and clean the shaft and cup area where the seal will be mounted. Inside of cup #675 must be completely clean of slurry.

Slide the Mechanical Seal into the flange until it seats in the flange. You may adjust the Shaft Cradle to align the shaft if the seal will not slide into the flange. The seal will insert completely into the flange.

Install ONLY the seal clamps #413 and tighten the bolts FINGER TIGHT. DO NOT OVER TIGHTEN.

C4.11- Install the (4) extra-long Bearing Mounting Bolts supplied in the Tool Kit through the Inboard Bearing flange and into the tapped holes in the mid-plate. Loosen the (2) Jacking Screws #308 and remove. Carefully tighten the (4) bearing Mounting Bolts and bring the Inboard Bearing back in place in the mixer frame. The shaft will slide through the seal sleeve and move back in place with the bearing.

If leakage occurs now, either the o-ring seal between the seal and the flange or in the seal sleeve is faulty. The seal must be removed and inspected. Move back to step C3.8.

Tighten the four bearing mounting bolts securely. Use new setscrews and tighten the setscrews in both Inboard and Outboard bearings to 52 ft-lbs (71 N-m). Re-install the (2) Bearing Jacking Screws in the mid-plate for storage.

C4.12- Re-tighten the (4) Seal Clamp Bolts to pull the seal into running position against the flange. Tighten the seal clamp bolts just enough to compress the o-ring and seat the seal metal to metal against the flange.

Apply a light coat of Marine Grade Anti-Seize to the Drive Ring Groove in the seal body as shown below. (Before installing Drive Ring)

C4.13 Install the Drive Ring and (6) Screws #436.

Tighten the Seal Drive Ring Screws #436 in a sequential crosswise pattern to a final torque of 7 lb-ft (9.5 Nm). Tighten the (6) Seal Setscrews #411 in a sequential crosswise pattern to a final torque of:

V25 2.438” seal 7 lb-ft (9.5 Nm)

V30 2.938” seal 20 lb-ft (27 Nm)

V35 3.438” seal 7 lb-ft (9.5 Nm)

C4.14-Remove the Retaining Clips #417 and store in the tool kit for future use.

C4.15- Tighten the (4) Seal Clamp Bolts #413 in a sequential crosswise pattern to 51 lb-ft (70 Nm)

C4.16-Remove the Shaft Support Cradle #475. Loosen the screws in the base to lower the Cradle so it will pass under the shaft. Wrap the part in a rust-inhibiting wrapper and place in the Service Tool Kit. Replace the (4) extra-long bearing mounting bolts with the original bolts #306 and lockwashers. Wrap the long bolts and place in the Service Tool Kit.

C4.17- Fill the Mechanical Seal with grease. Use NGL-1 grease. Pump grease into the zirc fitting, #421, until grease exits the overflow port on the top.

Figure C4.12

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C4.18 Seal Drive Collar run out test, see figure C4.18. Note the drive collar and shaft

If concentricity exceeds 0.001” (0.02 mm)

C4.19- Fill both bearings with grease . Use a FLGI grade #2 lithium 12-hydroxystearate roller bearing grease or approved equivalent. Pump grease into the zirc fitting until a bead forms around the seal on the bearing, or exits the relief fitting opposite the zirc.

C4.20- Apply a bead of silicone sealant to the area shown below on both bearings to seal the bearing bore from corrosion.

C4.21- Reinstall the sheave, belts, and belt guard. Adjust the motor adjustment studs to properly tension the belts. See adjustment instructions section C-5. Reconnect power to the motor. See start-up instructions in manual for full start-up procedures.

Figure C4.18

MANUAL V-SERIES FGD LONG RET. SCB428 121406

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C5.1- Ideal tension is the lowest tension

at which the belt will not slip under peak load condition. Over tensioning shortens belt and bearing life. Check tension frequently during the first 24 - 48 hours of run in operation.

C5.2- Tension belts by raising or lowering the motor using the four large motor stud adjustment nuts directly under the motor mounting plate. Note: measure the distance between the motor plate and the top of the housing. Maintain equal dimensions at each corner to maintain proper alignment.

C5.3- Make V-Belt inspections on a periodic basis. Tighten when slipping or out of adjustment. Avoid applying spray-on belt dressing as this will damage the belt.

C5.4- Keep belts clean and free from foreign material which may cause slippage. C5.5- Tension the belts following the recommendations listed in table C5.2. Measure the span length 'K'. See figure C5.1 Apply force at the center of span 'K'. Tension the belts until this force deflects the belt 1/64" for every inch of span length. Example: The deflection of a 48" span would be 48/64" or 3/4". C5.6- Sheave installation QD bushings can be installed in either position, bushing flange toward motor or away from motor. Before final installation, determine best position so as no mechanical interference will occur with belt guard installed. In either case, sheave mounting bolts

will be installed from the outside, through the holes of the outer piece and into the threaded holes of the part next to the motor (either bushing flange or sheave hub). Be sure keys are in place to assist in torque transmission. Rotate sheaves to confirm sheaves will spin true (no wobble).

C5.7- Sheave alignment: Adjustment needs to be checked to maximize life of the sheaves and belts (see Figure C5.2). This is done by placing a straight edge across the sheave faces so that it touches all four points of contact. Ordinarily, a misalignment of 1/2° (1/8" per foot) will shorten belt and/or sheave life.

WARNING: Lockout power before servicing or start-up.

Rotating parts can cause serious or fatal injury.

Improper sheave alignment produces uneven wear on one side of the belt, causes belts to roll over in the sheave, or throws all the load on one side of the belt, stretching or breaking the cords on that side.

C5.8- Belt installation Before a new set of belts are installed - check condition of sheaves. Dirty or rusty sheaves impair the drives efficiency and abrade the belts, which result in premature failure.

C5.9- Replace any worn sheaves. Worn sheaves shorten belt life as much as 50%. If the grooves are worn to where the belt bottoms, slippage may result and burn the belts. If side walls are "dished out" the bottom shoulder will wear off the bottom corners of the belts and cause premture wear and failure. C5.10-Belt Installation and take-up allowance: Find the center distance and belt size on the certified drawing in front of this manual. Follow the instructions in Section C5.5.

C5.11- Replace belts as a set, not individually. Never use a used belt as a replacement for a unit of a set. Used belts are normally worn in cross-section and stretched and will not match properly with the newer belts.

Do not mix belts from different manufacturers to avoid mis-matching.

C5.12- To place the belts on the sheaves, shorten the center distance of the sheaves until the belts can be installed without forcing.

MANUAL V-SERIES FGD LONG RET. SCB428 121406 - 17 -

MANUAL V-SERIES FGD LONG RET. SCB428 121406

- 18 -

PROBLEM

POSSIBLE CAUSE SOLUTION

?Shaft will not fit into drive

? Set screws extend into bore ?Loosen set screws

? Shaft over-size

?Measure and consult factory

(Proper dia.= 0.001" - 0.002"under nominal)

? Damaged shaft ?Repair / replace shaft

? Oversize key

?Grind key to fit

?Mixer will not start ? Incorrect wiring ? Wire correctly per wiring diagram ? Loose connections ? Tighten connections

? Blown fuse

? Replace fuse ? Incorrect voltage ? Wire for correct voltage ? Impeller interference ? Free all debris for rotation ? Water damage to motor

? Service or replace motor

? Wrong size heaters in starter ? Replace heaters

?Mixer will not reach correct speed ?Overload of motor

?Check amps against nameplate data ?Loose/damaged belts or sheaves

?Tighten belts / replace belts or sheaves

?See “Mixer will not start”

?Motor runs hot / amp overload

?Low or high voltage

?Wire for correct voltage

?Product too viscous ?Check viscosity and specific gravity

of product (consult factory) ?Restricted ventilation ?Clear vents ?Frequent starting and

?Check with factory - a special

stopping

motor may be required

?Unbalanced voltage ?Consult electrician between phases ?Incorrect rotation ?Change motor leads

?Product too viscous ?Check viscosity and specific gravity –(consult factory)

?Impeller installed backwards ?Check against assembly drawings -

correct if required

?Impeller too close to tank floor

?Raise impeller / nozzle

?Undersized motor ?Consult factory

CAUTION: Replace belt guard prior to running mixer under power. Rotating parts are dangerous and can cause serious or fatal injury.

双行星搅拌机安装、调试维护保养

行星搅拌机的安装、调试维护保养方法一、行星搅拌机的概述上海世赫双行星搅拌机分为双行星系统、行星罩、行星搅拌组件、刮壁器、料桶、双柱液压升降系统、真空系统以及机架等构成。是在消化吸收国内外先进技术的基础上加以创新改进开发的一种新型、高效混合装置。二、行星搅拌机的安装、调试、维护保养方法 1.检查各个部件的螺丝是否有松动，并禁锢。 2.检查各部件和液压站、电控箱等有无损坏，确信完好后接通相符电源，并注意地线可靠接地，打开总电源开关。 3.升降油缸与底座连接固定好，连接时需两边调整到水平。

4.如需加热，请正确接通料缸加热管道、准备好测温棒。 5.真空泵加工作液。 6.电源指示灯亮。（电机接线后或长期不用重新起用时都应点动式转，行星架公转从上往下看为顺转。点动油泵电机启动按钮，调整电机转向正确（顺时针），调试时应先点动试转，确认无误时再运转！） 7.试机时，往油箱内注入VG32-VG68普通液压油（L-HL），到油位器最高线位置。油泵公转两分钟后，降压力表开关打开，调整溢流阀，使压力表指示压力为5Mpa，然后再按上升/下降开关，让油缸上下几个行程，以排除油缸系统的空气。 8.每次搅拌启动前都应点动，检查搅拌刮壁是否异常，如有应即刻排除。 9.每次检修或更换液压件、密封件后，应将溢流阀放松刀零压，按调试步骤调整液压压力，否则将损坏液压胶管或液压件！ 10.搅拌抽真空工作前一定要检查反应釜是否封盖平贴，料口盖是否盖严，密封可靠。关闭密封盖上各阀接口，然后打开封盖上的真空阀门，再开启真空泵抽真空（一般为-0.06Mpa,最高-0.08Mpa），本机可以达到极限真空-0.095mpa，达到要求后关闭真空阀门，同时关真空泵。 11.真空泵在搅拌桶密封状况下方可启动运转。如反之则不能运转。泵运行前严禁堵塞排气口。 12.定期检查各部件及轴承内的润滑油脂，及时更换干净的润滑油脂。 13.保持搅拌器的清洁。每次要停止使用或更换物料时都应清洗搅拌器与物料接触的部分。 14.所有的清洁工作由用户按标准处理。

设备安装维护手册.doc

酒泉钢铁（集团）有限责任公司 200万吨热轧薄板项目铁钢项目部炼钢常规板坯连铸机工程机械设备安装维护手册 R605C0502 二OO四年九月

酒泉钢铁（集团）有限责任公司 200万吨热轧薄板项目铁钢项目部炼钢常规板坯连铸机工程机械设备安装维护手册 R605C0502 审核：胡波编制：陆华二OO四年九月

目录 1.前言 (3) 2.机械设备制造及施工安装验收标准 (4) 3.连铸机基准线和基准点 (5) 4.机械设备说明 (5) 4.1钢结构 (5) 4.2钢包回转台 (7) 4.3.钢包加盖机构 (10) 4.4 中间罐及塞棒启闭机构 (11) 4.5中间罐车组 (11) 4.6结晶器 (14) 4.7振动装置 (17) 4.8弯曲段 (18) 4.9扇形段1～6 (20) 4.10扇形段7 (23) 4.11扇形段8 (25) 4.12扇形段9～13 (27) 4.13基础框架 (29) 4.14扇形段驱动装置 (33) 4.15扇形段更换导轨 (35) 4.16脱引锭装置 (36) 4.17切割前辊道 (37)

4.18切割下辊道 (38) 4.19 自动火焰切割机 (40) 4.20切头筐 (41) 4.21切后及引锭存放辊道 (41) 4.22下线辊道 (42) 4.23引锭杆及引锭杆存放装置 (43) 4.24中间罐烘烤及干燥装置..................... 错误!未定义书签。 4.25油气润滑系统 (45) 4.26液压系统 (46) 4.27结晶器维修对弧台 (46) 4.28弯曲段对弧台 (48) 4.29扇形段内弧和外弧对弧台 (49) 4.30喷嘴试验台 (49) 4.31振动单元试验台 (49) 5. 连铸机弧形段设备的定位 (49) 6. 连铸机整机的试运行 (49) 7. 连铸机的维护要点 (50)

砂浆搅拌机技术操作规程

砂浆搅拌机技术操作规程 1．适用范围 1．1主要用搅拌和底子砂浆、罩面用的灰浆及纸筋灰等。 2．对操作人员的资格要求．操作人员必须经过安全与技术的培训，熟悉该砂浆机的操作方法才可上岗操作。 3．砂浆搅拌机对工作环境的要求 3．1砂浆搅拌机应安装在地势较高、距物料较近、运输方便的地方，机械安装应平稳牢固，机座要离地面一定距离，以方便出料。 3．2中途停机应将筒内物料清理干净。 3．3每班作业结束后，应将搅拌筒内外用水冲洗干净，尤其是搅拌筒内不得留有残灰。污水应排入水沟，不准在现场任意排放。 4．砂浆搅拌机的操作过程 4．1使用前先将机器放平稳，电机接上地线。 4．2预先接配合比配好料，把物料加入筒内，然后开动机器。 4．3根据该搅拌机技术性能所规定的搅拌时间搅拌后卸料。 4．4搅拌机使用后，把搅拌装置和搅拌筒放到工作位置，在筒内倒入适量的水，把搅拌装置和搅拌筒清洗干净，以免残余沙浆粘在机器上。 5．对砂浆搅拌机过程参数及特性的控制和监视方法

5．1对于搅拌同一型号砂浆，所用时间的不同分别作出几组试块，实验其强度来确定最佳搅拌时间。 5．2使用中所需的电流及电压均按照所用电机铭牌标志使用。 5．3根据具体型号搅拌机所要求的进料容量进料，决不允许给搅拌机超量加料。 6．对砂浆搅拌机监督及检验的规定 6．1砂浆搅拌机机座要离地面一定距离，以方便出料。 6．2作业前应仔细检查机械各部位零件是否松动，如有松动应予以紧固。 6．3检查各润滑部位并加足润滑油(脂)。 6．4检查电气系统各连接点的连接是否可靠，接地装置和电动机接零是否良好等。 6．5作业中发生故障时，应停机并拉闸断电，进行故障排除，严禁在机器运转中或带电进行检修。 6．6机器运转时遇有金属撞击声，应先检查搅拌叶片、搅拌锅之间的间隙是否正确。 7．定期检测准确度及变异性的规定 7．1定期对某一砂浆配合比的砂浆进行配料、搅拌规定时间后，做一组试块，试验其强度是否符合要求，以检查搅拌时间的准确度。7．2定期对出料容量进行实际测量，以确定出料容量的准确度。8．砂浆搅拌机日常维护的规定 8．1砂浆搅拌机每班工作前、工作中和工作后都要进行清洁、紧固、

移动通信基站设备维护手册样本

移动通信基站设备维护手册（一分册）

青海盛泰通信网络工程有限公司移动维护中心二O一三年九月 1 概述 1.1 编制背景 1.2 编制单位 2 基站及配套设备例检维护原则 2.1例检周期 2.2巡视规定 2.3巡检内容 2.4基站例检前准备 2.5进站规定 2.6基站例检维护项目检查流程图 2.7基站例检维护项目检查 2.7.1基站周边环境及物业检查 2.7.2监控系统告警检查 2.7.3基站油机检查 1.2 基站防雷及电源巡检 1.3 基站蓄电池组检查 1.4 空调设备检查

1.5 基站GSM、传播系统设备 1.6 板件资源、固资 1.7 接地检查 3 基站寻常维护巡检表填写规范规定 4 小油机维护操作手册 1.8 油机使用维护规程 1.9 起动运营前检查工作 1.10 试机运营检查工作 1.11 停机环节 1.12 小油机巡检表格填写 1.13 基站钥匙管理

1概述 1.1编制背景为更好地做好基站寻常维护工作，提高基站维护质量，及时发现和解决基站存在隐患问题，结合青海移动基站维护实际状况编写了本手册。本手册重要针对维护单位基站寻常维护巡检编写，力求让每位维护人员依照本手册即可完毕基站寻常维护巡检工作，随时巡视检查现场，及时发现和排除事故隐患，提高基站维护质量。 1.2编制单位青海盛泰通信网络工程有限公司重要审核人：祁国胜

重要起草人：杜常福主编单位：青海盛泰通信网络工程有限公司重要审稿人：祁国胜、杨文忠、赵有元、胡勋。 2基站及配套设备例检维护原则 2.1例检周期 1.对于基站综合维护服务，宏基站每月巡检一次，每月另巡视一次，边际网基站每季度巡检一次，偏远基站按需安排巡检工作。偏远基站以及其他某些距离维护单位较远、行车不可直达或行车时间较长基站。对于室分系统综合维护服务，宏基站每月巡检一次，其他基站每季度巡检一次。 2.年检重要是按需安排执行。 2.2巡视规定 1.巡视基站内各种设备与否正常运营、基站高低压线路、基站卫生、基站内设备及周边环境与否存在安全隐患，重要涉及影响机房设施、天线、馈线、屋面立杆、走线架、接地线、机房漏水、机房周边排水，以及铁塔基本周边环境发生施工挖土、打井、挖沟和回填土流失等安全问题。 2.负责机房环境安全检查和放置有效灭火器、挂有进入机房四十字方针、基站故障解决流程图、灭火流程图及各类警示牌。 3.在进行巡视时发现问题，应及时组织检查和排除隐患或故障，同步向移动有关负责人报告。

搅拌机使用安全技术操作规程正式版

Guide operators to deal with the process of things, and require them to be familiar with the details of safety technology and be able to complete things after special training.搅拌机使用安全技术操作规程正式版

搅拌机使用安全技术操作规程正式版下载提示：此操作规程资料适用于指导操作人员处理某件事情的流程和主要的行动方向，并要求参加施工的人员，熟知本工种的安全技术细节和经过专门训练，合格的情况下完成列表中的每个操作事项。文档可以直接使用，也可根据实际需要修订后使用。第1条：搅拌机应设置在平坦的位置，用方木垫起前后轮轴，使轮胎搁高架空，以免在开动时发生走动。第2条：搅拌机应实施二级漏电保护，上班前电源接通后，必须仔细检查，经空车试转认为合格，方可使用。第3条：试运转时应校验拌筒转速是否合适，一般情况下，空车速度比重车（装料后）稍快2-3转，如相差较多，应调整动轮与传动轮的比例。第4条：拌筒的旋转方向应符合箭头指示方向，如不符时，应更正电机接线。

第5条：检查传动离合器和制动器是否灵活可靠，钢丝绳有无损坏，轨道滑轮是否良好，周围有无障碍及各部件的润滑情况等。第6条：开机后，经常注意搅拌机各部件的运转是否正常。停机时。经常检查搅拌机叶片是否打弯、螺丝有否打落或松动。第7条：当混凝土搅拌完毕或预计停歇1小时以上，除将余料出净外，应用石子和清水倒入拌筒内，开机转动，把粘在料筒上的砂浆冲洗干净后全部卸出。第8条：料筒内不得有积水，以免料筒和叶片生锈。同时还应清理搅拌筒外积灰，使机械保持清洁完好。

系统维护手册

系统维护手册 Revised as of 23 November 2020

密级：内部公开文档编号：LANDUNTEC_SD_TEMP_08 版本号：分册名称：第1册/共1册系统维护手册中国普天信息产业股份有限公司中国普天信息产业股份有限公司对本文件资料享受着作权及其它专属权利，未经书面许可，不得将该等文件资料（其全部或任何部分）披露予任何第三方，或进行修改后使用。文件更改摘要：

1. 适用范围该手册适用于系统管理员及系统维护人员适用。 2. 系统运行环境 3. 3.1. 数据库环境 3.2. 服务器信息：安装软件：

数据库配置： Jdk及mysql软件是分别安装在22服务器和26 服务器上的。Mysql的数据库管理信息配置如下：全局数据库名：cms 数据库别名：cms 数据库管理员用户：root密码： 3.3. Web环境 3.4. Web服务器为虚拟操作系统。系统信息：服务器网络配置： 4. 系统运维计划 4.1. 运维目标集中监控平台管理系统运维管理的目标是保证系统平台的正常、可靠、高速运行，保证对突发事件、需求变更进行快速响应，保证规费管理系统的信息完整。

4.3. 系统平台维护：保证操作系统、数据库系统、中间件、其他支撑系统应用的软件系统及网络协议等安全性、可靠性和可用性而实施的维护与管理；及时排除系统故障；每月对系统平台进行一次巡检，及时消除故障隐患，保障系统的安全、稳定、持续运行。应用系统管理和维护：在系统维护过程中采取各种技术手段及时排除系统故障，保证系统及相应接口的安全性、可靠性和可用性。及时消除系统可能存在的安全隐患和威胁、根据需求更新或变更系统功能。数据储存设施管理和维护：为保证数据存储设施、如服务器设备、集群系统、存储网络及支撑数据存储设施运行的软件平台的安全性、可靠性和可用性，保证存储数据的安全。定期对系统的性能，确认数据存储的安全，及时消除故障隐患，保障系统安全、稳定、持续运行。数据管理和维护：数据管理是系统应用的核心。为保证数据存储、数据访问、数据通信、数据交换的安全，每月对数据的完整性、安全性、可靠性进行检查。

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搅拌机操工安全技术操作规程示范文本 In The Actual Work Production Management, In Order To Ensure The Smooth Progress Of The Process, And Consider The Relationship Between Each Link, The Specific Requirements Of Each Link To Achieve Risk Control And Planning 某某管理中心 XX年XX月

搅拌机操工安全技术操作规程示范文本使用指引：此操作规程资料应用在实际工作生产管理中为了保障过程顺利推进，同时考虑各个环节之间的关系，每个环节实现的具体要求而进行的风险控制与规划，并将危害降低到最小，文档经过下载可进行自定义修改，请根据实际需求进行调整与使用。 1、搅拌机操作人员必须经过专门的专业培训和机械使用安全技术规程的学习，考试合格取得操作证后，方可上岗操作。 2、操作人员必须熟悉本搅拌机的性能、润滑、保养、各部运转情况，和懂得简单的修理工作。 3、作业前要穿戴好劳动保护用品，检查好电源、水源及各部传动离合情况和钢丝绳有否损坏。 4、搅拌机作业时，要空车运转，并检查搅拌筒、搅拌叶的转动方向，传动机构，工作装置，制动器等，经确认正常，方可作业。 5、进料时，严禁将头或手伸入料斗与机架之间察看或探摸进料情况，运转中不得用手或工具等物伸入搅拌筒内

扒料出料。 6、料斗升起时，严禁在其下方工作或穿行。料坑底部要设料斗的枕垫，清理料坑时必须将料斗用链条扣牢。 7、想搅拌筒内加料应在运转中进行。添加新料必须将搅拌机内原有的混凝土全部卸出后才能进行。不得中途停机或满载荷时启动搅拌机，已满起动时电流过大而损坏电机，反转出料者除外。 8、作业中，如发生事故不能继续运转时，应立即切断电源，将搅拌筒内的混凝土清除干净，设专人在外监护，方可进行修理。 9、移动式搅拌机使用时间超过3个月以上时，应将轮胎卸下妥善保管，轮轴部位应做好清洁和防锈工作。 10、强制式搅拌机使用前，应检查各减速箱及润滑部位，电源电压，电机和电器元件的接线是否牢靠，水泵、节流阀、喷水管的可靠性，各部位连接螺栓是否牢固，特

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酒泉钢铁（集团）有限责任公司 200万吨热轧薄板项目铁钢项目部炼钢常规板坯连铸机工程机械设备安装维护手册 R605C0502 二OO四年九月

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一、搅拌机的使用及操作规程 1、设备使用前必须经过专业人员安装调试，在技术性能各项指标符合规定并经验收合格后方可投入使用。经过拆卸运输后重新组装的搅拌机也应调试合格后方可使用。操作员必须经过专门培训方可上岗操作。 2、作业前的检查：（1）、每班操作人员在启动机器之前应对整个机器作相应的检查。（2）检查配料机各料斗是否还存有骨料；平皮带、斜皮带以及清扫器是否正常；（料斗式的检查钢丝绳、轨道及钢轮是否有异常）。（3）检查斜皮带底部基坑或料斗基坑是否积水；（4）检查气动部分油水分离器（气动三连体）是否存水、油杯中是否缺油；（5）检查空压机油是否在正常范围内、并手动对储气罐进行放水；（6）检查主机部分有无异常，搅拌罐内有无存料，搅拌臂是否完好；（7）检查主机减速机润滑油是否足够；（8）检查主机电动油泵，缺油时及时补充00#锂基脂；（9）检查各粉料软连接部分有无漏料情况。 3、作业前通电开机检查：

（1）检查电源是否正常（一般为370V~400V）；（2）检查各摄像头工作是否正常；（3）开启空压机，检查气动部件及管路有无漏气现象；（4）开启主机，检查有无其他异响；（5）开启皮带机，检查平皮带和斜皮带运转是否正常；料斗式搅拌机检查料斗升降情况，以及各限位开关工作是否正常；（6）检查主机卸料门和配料机各卸料门是否开关灵活。（7）在以上各项检查都正常后方可正式作业。 4、作业中的注意事项：（1）主机启动后严禁将头或手伸入主机罐内察看、探摸；严禁各皮带机运转时对其维修或清理杂物；（2）作业中主机出现卡死或跳闸现象时严禁直接再启动（应人工清理主机内物料后方可再次启动，以免烧毁电动机和交流接触器）；（3）在作业中机器发生故障应停机检查，必要时关闭电源。（4）操作中如发现电压不正常应立即关闭电源，待电压恢复正常后方可继续作业。 5、作业后的注意事项：（1）作业后要对搅拌机进行认真清洗（包括主机罐内、卸料口、斜皮带导砂槽、主机除尘器、通气口、粉料口连接部位）；

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搅拌机使用安全技术操作规程示范文本 In The Actual Work Production Management, In Order To Ensure The Smooth Progress Of The Process, And Consider The Relationship Between Each Link, The Specific Requirements Of Each Link To Achieve Risk Control And Planning 某某管理中心 XX年XX月

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