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8

P - LOCATING TROUBLE

1. No water delivered
 

a.  Wrong direction of rotation

 

b.  Impeller or pipes plugged

 

c.  Discharge head too high

 

d.  No water in pit

 

e.  Pump suction to close to bottom of pit

2. Not enough water delivered
 

a.  Discharge head higher than expected

 

b.  Impeller or pipes partly plugged

 

c.  Improper impeller adjustment

 

d.  Low water level in pit

 e. 

Mechanical 

defects

 

 

1. Impeller worn or damaged

 

 

2. Casing worn

 

f.  Wrong direction of rotation

3. Not enough pressure
 

a.  Air in water

 b. 

Mechanical 

defects

 

c.  Impeller diameter too small

 

d.  Wrong direction of rotation

 

e.  Impeller not properly adjusted

 

f.  Discharge head (line friction) lower than expected

4. Pump takes too much power
 

a.  Speed too high for required head and capacity

 

b.  Head lower than rating; pumps to much water

 

c.  Liquid either viscous or heaver than water or both

 d. 

Mechanical 

defects

 

 

1. Shaft bent

 

 

2. Impeller binds in casing

 

e.  Strain on pump caused by piping misalignment

 

f.   Impeller not adjusted properly

Chair Bracket Mounting

1

Motor Support

2

Motor Mounting Screw

3

Lock Nut

4

Motor Foot

5

Motor Anchor Cap Screw

Summary of Contents for DEMING 5460 Series

Page 1: ...s such Crane Pumps Systems reserves the right to change product without prior written notification 420 Third Street 83 West Drive Bramton Piqua Ohio 45356 Ontario Canada L6T 2J6 Phone 937 778 8947 Phone 905 457 6223 Fax 937 773 7157 Fax 905 457 2650 www cranepumps com Form No 120024 Rev C Series 5460 DEMING DEMING INSTALLATION OPERATION MAINTENANCE MANUAL Vertical Process Pumps Manual Index ...

Page 2: ...ervice Centers B BEFORE YOU BEGIN 4 C INSTALLATION 4 D DIRECTION OF ROTATION 4 E OPERATION 4 F PUMP ADJUSTMENT 5 G IMPELLER ADJUSTMENT 5 H DISCHARGE PIPE 5 I LUBRICATION 5 J GENERAL MAINTENANCE REPAIRS 5 K FOR INSPECTION OR REPAIR OF LIQUID END 5 6 L TO INSPECT BALL BEARINGS SEAL OR SHAFT 6 M TO REASSEMBLE BALL BEARINGS AND SEALS 6 7 N ASSEMBLY OF LIQUID END 7 O CHAIR BRACKET MOUNTING 7 8 P LOCATI...

Page 3: ...ings DO NOT insert fingers in pump with power connected Always wear eye protection when working on pumps Make sure lifting handles are securely fastened each time before lifting DO NOT operate pump without safety devices in place Always replace safety devices that have been removed during service or repair Secure the pump in its operating position so it can not tip over fall or slide DO NOT exceed...

Page 4: ... motor the motor shaft must be carefully aligned with pump shaft before installing flexible shaft coupling See Chair Bracket Mounting C INSTALLATION 1 Carefully lower the assembled pumping unit into the tank or pit The base plate 23 must rest evenly at all points and must be level before it is bolted to the foundation Shim and grout to level the base plate Install foundation bolts 2 If motor and s...

Page 5: ...eved Tighten the bottom pipe lock nut when maximum shaft freedom has been accomplished and make sure that the top pipe lock nut is tight An accurate check of the impeller and pump alignment can be established by the use of a watt meter to measure the minimum power requirement of the motor I LUBRICATION The pump bearings 18 and 16 and the lip seals 47 and 49 were properly lubricated at the factory ...

Page 6: ...Press new bushing into the throttle housing 99 aligning the slot with the cap screw 218 then tighten cap screw until firm Slide deflector 40 from the shaft L TO INSPECT BALL BEARINGS SEALS OR SHAFT 1 Remove Liquid end assembly 2 Remove coupling 42 and key 46 from shaft 6 3 Remove cap screws 221 and nuts 261 and lift driver pedestal 81 from frame 19 4 Remove cap screw 213 Unscrew the 3 lock nuts 20...

Page 7: ...s 3 4 170 Ft lbs 5 Place gasket 73 on suction cover 9 Position cover against the casing 1 and replace and tighten cap screws 215 O CHAIR BRACKET MOUNTING See page 8 The foot mounted horizontal type motor and flexible shaft coupling are shipped unmounted and must be mounted on the pump prior to installation of the pump Mount the pump half coupling on the pump shaft 6 and the motor half coupling on ...

Page 8: ...tion 3 Not enough pressure a Air in water b Mechanical defects c Impeller diameter too small d Wrong direction of rotation e Impeller not properly adjusted f Discharge head line friction lower than expected 4 Pump takes too much power a Speed too high for required head and capacity b Head lower than rating pumps to much water c Liquid either viscous or heaver than water or both d Mechanical defect...

Page 9: ...9 Bearing Cover Seal 069 Bearing Lock Washer 073 Gasket 081 Drive Pedestal 099 Throttle Housing 101 Column 105 Discharge Elbow 161 Discharge Pipe 204 Adjusting Lock Nut 212 Cap Screw 213 Cap Screw 215 Cap Screw 218 Cap Screw 219 Cap Screw 221 Cap Screw 228 Motor 241 Gasket 242 Grease Fitting 252 Throttle Bushing 258 Hex Nut 260 Cap Screw 261 Hex Nut 265 Cap Screw 267 Cap Screw 268 Cap Screw 269 Co...

Page 10: ...formance specifications must be in writing and such writing must be signed by our authorized representative Due to inaccuracies in field testing if a conflict arises between the results of field testing conducted by or for user and laboratory tests corrected for field performance the latter shall control RECOMMENDATIONS FOR SPECIAL APPLICATIONS OR THOSE RESULTING FROM SYSTEMS ANALYSES AND EVALUATI...

Page 11: ...nt To Insure That Employees Will Not Be Exposed To Health Hazards In Handling Said Material All Applicable Laws And Regulations Shall Apply IMPORTANT WARRANTY REGISTRATION Your product is covered by the enclosed Warranty To complete the Warranty Registration Form go to http www cranepumps com ProductRegistration If you have a claim under the provision of the warranty contact your local Crane Pumps...

Page 12: ...Notes ...

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