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BLACKMER LGB1E, Installation, Operation And Maintenance Instructions, Page: 10 / 12

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BLACKMER LGB1E Installation, Operation And Maintenance Instructions Download Page 10

501-A00    Page 10/12 

MAINTENANCE:

RELIEF VALVE ASSEMBLY  

1.  Insert the valve (9) into the relief valve bore of the casing 

with the small end inward. 

2.  Install relief valve disc (9A) into relief valve. 

3.  Install the relief valve spring (8) in the valve bore. 

4.  Install new O-ring (4A) on spring guide (7). 

5.  Install spring guide (7) in valve bore of cylinder, aligning 

spring (8) on spring guide during assembly. 

6.  Install new O-ring (10) in O-ring groove in relief valve cap 

(4). 

7.  Apply a thin coat of grease on threads of relief valve cap 

(4) and install in cylinder (12). 

8.  Screw the relief valve adjusting screw (2) with locknut (3) 

into the valve cover (4) until it makes contact with the 
spring guide (7). 

9.  After the relief valve has been adjusted, tighten the 

Locknut (3)  

NOTICE: 

The relief valve setting MUST be tested and adjusted 
more precisely before putting the pump into service.  
Refer to "Relief Valve Setting and Adjustment" 
 

10.  Refer to “Pre-Start Up Check List” and “Start Up 

Procedures” sections of this manual prior to restarting 
pump operation. 

 

 

Operation without guards in place can 
cause serious personal injury, major 
property damage, or death. 

 

Do not operate 

without guard 

in place 

 

 

 

Failure to adjust guards covering all 
rotating part, allowing only a safe gap, 
can cause personal injury or death 

Do not operate 

without guard 

in place 

 

 

Summary of Contents for LGB1E

Page 1: ... product or in the manual look for one of the following signal words and be alert to the potential for personal injury death or major property damage Warns of hazards that WILL cause serious personal injury death or major property damage Warns of hazards that CAN cause serious personal injury death or major property damage Warns of hazards that CAN cause personal injury or property damage NOTICE I...

Page 2: ...jor property damage or death Hazardous or toxic fluids can cause serious injury Do not operate without guard in place PUMP DATA PUMP IDENTIFICATION A pump Identification tag containing the pump serial number I D number and model designation is attached to each pump It is recommended that the data from this tag be recorded and filed for future reference If replacement parts are needed or if informa...

Page 3: ... 0 6m from the pump and have a net open area of at least four times the area of the intake piping Strainers must be cleaned regularly to avoid pump starvation 4 The intake and discharge piping system must be free of all leaks 5 Expansion joints placed at least 36 0 9m from the pump will compensate for expansion and contraction of the pipes Contact the flexible connector hose manufacturer for requi...

Page 4: ...a footed motor is used the motor must not be secured to baseplate COUPLING ALIGNMENT The pump must be directly coupled to a gear reducer and or driver with a flexible coupling Verify coupling alignment after installation of new or rebuilt pumps Both angular and parallel coupling alignment MUST be maintained between the pump gear motor etc in accordance with manufacturer s instructions See Figure 5...

Page 5: ...ions 4 Check for leakage from the piping and equipment 5 Check for excessive noise vibration or overheating of the pump reducer and motor 6 If possible check the flow rate 7 With the manual valve in the bypass line OPEN check the pressure setting of the relief valve by slowly closing a valve in the discharge line and reading the pressure gauge As the valve in the discharge line is closed the pump ...

Page 6: ... appropriate procedures and warnings as presented in this manual Hazardous or toxic fluids can cause serious injury SCHEDULED MAINTENANCE STRAINERS Strainers must be cleaned regularly to avoid pump starvation Schedule will depend upon the application and conditions LUBRICATION NOTICE To avoid possible entanglement in moving parts do not lubricate pump bearings or any other parts while pump is runn...

Page 7: ...from the shaft end protruding through the head 20 a Bend up the engaged lockwasher tang and rotate the locknut counterclockwise to remove it from the shaft b Slide the lockwasher off the shaft Inspect the lockwasher for damage and replace as required 6 Clean the shaft portion protruding through the head thoroughly making sure the shaft is free of nicks and burrs This will prevent damage to the mec...

Page 8: ... the head A Left Hand rotation pump will have the drive end of the shaft long end protruding through the head 20 with the bearing cover on the cylinder 13 Apply a light coating of quality O ring lubricant to the shaft end to be inserted into the cylinder 14 Insert the shaft into the cylinder 12 Carefully slide the shaft through the installed mechanical seal 153 and bearing Align the notch in the r...

Page 9: ...followed by a locknut 24A with the tapered end inward Ensure the inner tang A of the lockwasher is located in the slot in the shaft threads bending it slightly if necessary 39 Tighten both locknuts 24B to ensure that the bearings 24 are bottomed in the head recess DO NOT overtighten and bend or shear the lockwasher inner tang 40 Loosen both locknuts 24A one complete turn 41 Tighten one locknut 24A...

Page 10: ... the relief valve adjusting screw 2 with locknut 3 into the valve cover 4 until it makes contact with the spring guide 7 9 After the relief valve has been adjusted tighten the Locknut 3 NOTICE The relief valve setting MUST be tested and adjusted more precisely before putting the pump into service Refer to Relief Valve Setting and Adjustment 10 Refer to Pre Start Up Check List and Start Up Procedur...

Page 11: ...tended periods with a closed discharge line 3 Pump not securely mounted 4 Misalignment of pump or motor base mounted pumps 5 Bearings worn or damaged 6 Vibration from improperly anchored piping 7 Bent shaft or drive coupling misaligned 8 Excessively worn rotor 9 Malfunctioning valve in the system 10 Relief valve setting too low 11 Damaged vanes see following category Damaged Vanes 1 Foreign object...

Page 12: ... 215 GPM HXL 6 8 10 Sliding Vane Pumps 130 to 2 220 GPM Refineries Terminals Barges Ships Reciprocating Gas Compressors Liquefied Gas Transfer Boosting Vapor Recovery Hand Operated Pumps Dispensing Transfer In line Accessories Gear Reducers Bypass Valves Strainers Visit www blackmer com for complete information on all Blackmer products 1809 Century Avenue Grand Rapids Michigan 49503 1530 U S A Tel...

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