BLACKMER LGL3021A Instructions Manual Download Page 2

 

501-L00    Page 2/12 

SAFETY DATA 

 

Failure to set the vehicle emergency 
brake and chock wheels before 
performing service can cause severe 
personal injury or property damage 

 

 

Failure to disconnect and lockout 
electrical power before attempting 
maintenance can cause shock, burns or 
death 

 

Hazardous 

machinery can 

cause serious 

personal injury.

 

 

Hazardous voltage. 

Can shock, burn or 

cause death.

 

 

 

 

 

 

 

Failure to disconnect and lockout 
electrical power or engine drive before 
attempting maintenance can cause 
severe personal injury or death 

 

 

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

 

 

Hazardous 

machinery can 

cause serious 

personal injury.

 

 

Do not operate 

without guard  

in place

 

 

 

 

 

 

 

Disconnecting fluid or pressure 
containment components during pump 
operation can cause serious personal 
injury or property damage.

 

 

 

Failure to relieve system pressure prior 
to performing pump service can cause 
serious personal injury or property 
damage.

  

Systems with meters will still 

be pressurized even after the hose is 
emptied

 

 

 

 

Hazardous pressure 

can cause serious 

personal injury or 

property damage 

 

Hazardous pressure 

can cause serious 

personal injury or 

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 injury. 

 

 

 

 

 

 

 

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 
information pertaining to the pump is required, this data must be furnished to a Blackmer representative. 

 

TECHNICAL DATA 

Models LGL3021A 

Torque required  
@100 psi (6.9 bar) 

89 lbs  ft 

(121 Nm) 

Maximum Pump Speed @ Max. 
Differential Press. 

800 RPM 

Maximum Differential Pressure 

125 psi 

(8.62 Bar) 

Maximum Operating Temperature 

240°F 

(115°C) 

Maximum Working Pressure 

350 PSI 

(24.1 Bar) 

 

Technical Data is for standard materials of construction.  
Consult Blackmer Material Specs for optional materials 
of construction. 

 

These pumps are listed by Underwriters’ Laboratories 
for liquefied petroleum gas and NH

3

 service. 

INITIAL PUMP START UP INFORMATION 

Model No.: ____________________________________ 

Serial No.:  ____________________________________ 

ID No.:  _______________________________________ 

Date of Installation: _____________________________ 

Inlet Gauge Reading: ____________________________ 

Discharge Gauge Reading: _______________________ 

Flow Rate: _____________________________________ 

 

Summary of Contents for LGL3021A

Page 1: ...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 word...

Page 2: ...us 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 injury PUMP DATA PUMP IDENTIFICATION...

Page 3: ...intake port on the pump Slope the pipe downward to the pump and do not install any upward loops Minimize the number of intake line fittings and eliminate restrictions such as sharp bends globe valves...

Page 4: ...on all 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 p...

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

Page 6: ...closed valve can cause system failure personal injury and property damage Hazardous pressure can cause personal injury or property damage TRUCK MOUNTED PUMPS Failure to set the vehicle emergency brake...

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 li...

Page 8: ...sure can cause 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 proce...

Page 9: ...and 24B a Bend up the engaged 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 re...

Page 10: ...See Figure 8 c After the bottom vanes and push rods are installed insert the rotor and shaft 13 fully into the casing 12 d Install the remaining vanes 14 into the top positions of the rotor 6 Install...

Page 11: ...e tang with the locknut slot Secure the nut by bending the aligned lockwasher tang into the slot in the locknut The pump should continue to turn freely when rotated by hand g To check adjustment grasp...

Page 12: ...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 category...

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