Table of Contents
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BLACKMER LIQUEFIED GAS PUMPS
FOR LP-GAS AND NH
INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS
MODELS: LGLD2E, LGL2E, LGLD3F, LGL3F
and discontinued LGLD3E, LGL3E
TABLE OF CONTENTS
SAFETY DATA ..................................................................... 1
Pump Identification ..................................................... 2
Technical Data ........................................................... 2
Initial Pump Start Up Information ............................... 2
Welded Connections .................................................. 3
Pre-Installation Cleaning ............................................ 3
Location and Piping .................................................... 3
Pump Relief Valve and Bypass Valve ........................ 4
Check Valves ............................................................. 4
Pump Rotation ........................................................... 4
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
Strainers ..................................................................... 8
Lubrication ................................................................. 8
Vane Replacement ..................................................... 9
Pump Disassembly .................................................... 9
Pump Assembly ....................................................... 10
TROUBLE SHOOTING ...................................................... 12
NOTE: Numbers in parentheses following individual parts
indicate reference numbers on Blackmer Parts List 501-C01
Blackmer pump manuals and parts lists may be obtained from
Blackmer's website (www.blackmer.com) or by contacting
Blackmer Customer Service.
SERVICE TRUCK AND BASE MOUNTED
3
Page
960417
INSTRUCTIONS NO. 501-C00
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.
Section
501
Effective
Apr 2020
Replaces
Jan 2019
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Table of Contents
Related Manuals for BLACKMER LGLD3E
Summarization of Contents
Safety Data and Warnings
Safety Alert Symbol and Signal Words
Explains the safety alert symbol and its meanings for hazard identification.
Pump Data and Initial Setup
Pump Identification and Technical Specifications
Details on the pump identification tag and key technical specifications.
Initial Start Up Information Recording
Section for recording essential data during the pump's first start-up.
General Installation and Operation Guidelines
Piping, Connections, and Cleaning Procedures
Instructions for welding connections, cleaning, and piping layout.
Valve Configuration and Pump Rotation
Guidance on relief valves, bypass valves, check valves, and pump rotation.
Motor Driven Pump Installation and Start Up
Pump Mounting and Electrical Requirements
Instructions for securely mounting the pump and meeting electrical codes.
Coupling Alignment and V-Belt Drive Setup
Procedures for accurate coupling alignment and V-belt drive installation.
Motor Driven Pump Start Up Checklist and Procedures
Essential pre-start checks and step-by-step procedures for pump start up.
LGLD Truck Mounted Pump Installation and Operation
Truck Mounting and Pump Drive Systems
Guidelines for mounting the pump on a truck and connecting PTO/hydraulic drives.
Hydraulic Drive and Truck Pump Start Up
Details on hydraulic drives and start-up procedures for truck-mounted pumps.
Pump Speed Management for Truck Applications
Importance of controlling pump speed to prevent over-speeding.
Maintenance Procedures
Strainer Cleaning and Lubrication Guidelines
Importance of regular strainer cleaning and proper lubrication methods.
Vane Replacement and Pump Disassembly
Detailed steps for replacing pump vanes and disassembling the pump.
Pump Assembly and Mechanical Seal Installation
Procedures for reassembling the pump and installing mechanical seals.
Locknut Adjustment
Proper adjustment of bearing locknuts to prevent damage and wear.
Troubleshooting Common Issues
Pump Priming and Capacity Problems
Probable causes and solutions for pump not priming or reduced capacity.
Vane, Shaft, and Seal Issues
Causes and solutions for damaged vanes, broken shafts, and seal leakage.
Motor Overload Causes
Identification of common causes leading to motor overload.
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