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BLACKMER LIQUEFIED GAS PUMPS 

960419

 

INSTRUCTIONS NO. 501-J00 

FOR LP-GAS or NH

3

 SERVICE TRUCK AND BASE MOUNTED 

INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS

 

Section 

Effective 

Replaces 

501 
Jun 2016 
Jan 2014 

MODEL: LGLH2A

 

 

 

Patent Protected by U.S. Patent 6030191 and Related Foreign Patents.

 

 

 

 

 

 

TABLE OF CONTENTS 

Page 

SAFETY DATA

 ..................................................................... 1

 

PUMP DATA

 ......................................................................... 2 

 Pump 

Identification ..................................................... 2 

 Technical 

Data ........................................................... 2 

 

Initial Pump Start Up Information ............................... 2 

GENERAL INSTALLATION AND OPERATION

  

 Welded 

Connections .................................................. 3 

 Pre-Installation Cleaning ............................................ 3 
 Location 

and 

Piping .................................................... 3 

 

Pump Relief Valve and Bypass Valve ........................ 4 

 Check 

Valves ............................................................. 4 

 Pump 

Rotation ........................................................... 4 

MOTOR DRIVEN PUMPS 

 

 Pump 

Mounting .......................................................... 4 

 Coupling 

Alignment .................................................... 5 

 V-Belt 

Drive ................................................................ 5 

 V-Belt 

Disassembly .................................................... 5 

 Pre-Start 

Up 

Check List ............................................. 6 

 

Start Up Procedures ................................................... 6 

TRUCK MOUNTED PUMPS

 

 Truck 

Mounting .......................................................... 6 

 Pump 

Drive ................................................................ 6 

 Hydraulic 

Drive ........................................................... 7 

 Pre-Start 

Up 

Check List ............................................. 7 

 

Start Up Procedures ................................................... 7 

 Pump 

Speed .............................................................. 8 

MAINTENANCE 

 Strainers ..................................................................... 9 
 Lubrication 

.................................................................. 9 

 Vane 

Replacement ..................................................... 9 

 Pump 

Disassembly .................................................... 9 

 Pump 

Assembly ....................................................... 10 

TROUBLE SHOOTING

 ...................................................... 11 

 
NOTE

: Numbers in parentheses following individual parts 

indicate reference numbers on Blackmer Parts List 501-J01. 
 
Blackmer pump manuals and parts lists may be obtained from 
Blackmer's website (www.blackmer.com) or by contacting 
Blackmer Customer Service. 
 

SAFETY DATA 

 

This is a SAFETY ALERT SYMBOL. 

When you see this symbol on the 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: 

Indicates special instructions which are very 

important and must be followed. 

 

 

NOTICE: 

Blackmer liquefied gas pumps MUST only be installed 
in systems which have been designed by qualified 
engineering personnel. The system MUST conform to 
all applicable local and national regulations and safety 
standards. 

This manual is intended to assist in the installation 
and operation of the Blackmer liquefied gas pumps, 
and MUST be kept with the pump. 

Blackmer liquefied gas pump service shall be 
performed by qualified technicians ONLY. Service 
shall conform to all applicable local and national 
regulations and safety standards. 

Thoroughly review this manual, all Instructions and 
hazard warnings, BEFORE performing any work on 
the Blackmer liquefied gas pumps. 

Maintain ALL system and Blackmer liquefied gas 
pump operation and hazard warning decals. 

 

 

Summary of Contents for LGLH2A

Page 1: ...ww blackmer com or by contacting Blackmer Customer Service SAFETY DATA This is a SAFETY ALERT SYMBOL When you see this symbol on the product or in the manual look for one of the following signal words...

Page 2: ...property damage If pumping hazardous or toxic fluids system must be flushed and decontaminated inside and out prior to performing service or maintenance Hazardous or toxic fluids can cause serious in...

Page 3: ...ke port on the pump It should slope downward to the pump and should not contain any upward loops Minimize the number of intake line fittings and eliminate restrictions such as sharp bends globe valves...

Page 4: ...l attached components Never start a pump when it is rotating in the reverse rotation as the added starting torque can damage the pump and related equipment PUMP ROTATION NOTICE Confirm correct pump ro...

Page 5: ...crews 152C G 5 Measure the span length as shown in Figure 6 6 Adjust the motor base 183 and apply a specified force refer to Table 1 against the belt at the center of the span so that the belt is defl...

Page 6: ...ssure can cause personal injury or property damage Operation without guards in place can cause serious personal injury major property damage or death Do not operate without guard in place TRUCK MOUNTE...

Page 7: ...is a Lever Operated Pull the control knob all the way out Manually check the lever under the truck to see that it is in the completely OPEN position b Discharge Pressure Operated Keep the discharge l...

Page 8: ...cause serious personal injury or property damage Hazardous or toxic fluids can cause serious injury NOTICE Maintenance shall be performed by qualified technicians only following the appropriate proced...

Page 9: ...aged lockwasher tang and rotate the locknut 24A counterclockwise to remove it from the shaft b Slide the lockwasher 24B off the shaft Inspect the lockwasher for damage and replace as required c Repeat...

Page 10: ...pump with the seal cavity facing outward and the disc relief hole located as shown in Figure 9 7 Install a new head O ring 72 in the groove on the inside face of the head 20 Lay the O ring flat and st...

Page 11: ...y hand g To check adjustment grasp the nut and washer with fingers and rotate back and forth If this cannot be done one or both locknuts are too tight and should be alternately loosened one stop at a...

Page 12: ...ent shaft or drive coupling misaligned 9 Excessively worn rotor 10 Malfunctioning valve in the system 11 Relief valve setting too low 12 Liner installed backwards 13 Damaged vanes see following catego...

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