BLACKMER LB602C - User Manual

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BLACKMER LB COMPRESSORS

960474

INSTRUCTIONS

CB5A

-

021

Installation, Operation, and Maintenance Instructions

Section

Effective

Replaces

502

Aug 2021

Oct 2019

MODELS:

LB161B, LB361B, LB601B

,

LB162B, LB362C, LB602C,

&

Discontinued LB602B

r130716

TABLE OF CONTENTS

Safety Data ................................................................ 1

General Information

Compressor Data ................................................. 2

Nameplate Data .................................................... 3

Maximizing Compressor Life ................................ 4

Installation

Location and Piping .............................................. 5

Mounting the Compressor Unit ............................ 5

Stationary Compressors ....................................... 5

Truck Mounted Compressors ............................... 5

Compressor Flywheel ........................................... 6

V-Belt Drive ........................................................... 6

PTO Drive ............................................................. 6

Liquefied Gas Transfer Piping Schematic ........... 7

Typical Transfer Compressor, Drawing ............... 7

Relief Valves ......................................................... 8

4-Way Valves ........................................................ 8

Liquid Traps .......................................................... 8

Temperature and Pressure Switches ........... 8 & 9

Pressure Gauges .................................................. 9

Operation

Pre-Startup Check List ............................................ 9

Start Up Procedure ............................................... 10

Maintenance

Service Schedule .................................................. 11

Tool List ................................................................. 12

Bolt Torque Table.................................................. 12

Crankcase Lubrication .......................................... 13

Setting the Oil Pressure ........................................ 13

Compressor Disassembly ....................................... 14

Compressor Assembly ............................................ 15

Valve Replacement ................................................... 17

Seal (Packing) Replacement ................................... 19

S3R Seal Replacement ............................................. 20

Bearing Replacement ............................................... 21

Oil Pump Replacement ............................................ 22

Extended Storage ..................................................... 22

Troubleshooting

....................................................... 23

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 or 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 compressors 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.

These instructions are intended to assist in the

installation and operation of Blackmer compressors and

MUST be kept with the compressor.

Blackmer compressor service and maintenance shall

be performed by qualified technicians ONLY. Service

and maintenance 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 compressor.

Maintain ALL system and compressor operation and

hazard warning decals.

For handling liquefied gas, NFPA Pamphlet 58 should

be consulted.

Questions and Answers

P
Peter West IISep 7, 2025
What to do if BLACKMER LB602C Air Compressor has no flow?
- F
  fernandezcrystalSep 7, 2025
  If your BLACKMER Air Compressor has no flow, drain the liquid trap through the drain valve and relieve vacuum through the bleeder valve on top of the liquid trap. If excess flow valves are slugged, stop the compressor to allow them to open. You might need to install a valved bypass line between the suction and discharge lines.
A
Ashley MillerAug 22, 2025
What to do if my BLACKMER LB602C has no oil pressure?
- A
  Adam AllenAug 22, 2025
  If your BLACKMER Air Compressor shows no oil pressure, there are several potential causes. First, the oil pump might not be working; in this case, set the oil pump relief valve. Also, examine the oil pump drive tab or stop pin for any signs of damage. Check and replenish the oil level if it's low. Finally, a dirty inlet strainer can also cause this issue, so clean the inlet strainer.
E
Emily FryeSep 4, 2025
Why does the relief valve actuate on my BLACKMER LB602C?
- M
  Mark LambertSep 5, 2025
  If the relief valve actuates in your BLACKMER Air Compressor, ensure that the valve downstream of the compressor is open. Also, check for and correct any line blockages downstream from the compressor.
B
Brittany SellersSep 3, 2025
What to do if BLACKMER Air Compressor has no oil pressure?
- K
  Krystal HoganSep 3, 2025
  If your BLACKMER Air Compressor has no oil pressure, start by setting the oil pump relief valve correctly. Then, inspect the oil pump drive tab or stop pin for any damage. Check the oil level and replenish if it's low. Lastly, clean the inlet strainer to ensure it is free from dirt.
M
Mark GonzalezSep 2, 2025
How to fix low transfer rate in BLACKMER LB602C Air Compressor?
- H
  hrossSep 2, 2025
  To address a low transfer rate in your BLACKMER Air Compressor, begin by lubricating the 4-way valve with a compatible stick lubricant. If the issue persists, inspect the piston rings by restricting the discharge line; a slow pressure increase indicates faulty rings. Also, check for and clean any plugged strainers. Examine the compressor valve for damage, and adjust the liquid relief valves as per the instructions in "Valve Replacement". Ensure the compressor drive isn't slipping by tightening belts and checking for sheared or loose keys, or a loose flywheel. Finally, verify that the piping is correctly sized and installed.
R
rosssandraAug 31, 2025
What causes a BLACKMER LB602C open valve?
- J
  justincervantesSep 1, 2025
  A BLACKMER Air Compressor open valve can be caused by a line blockage downstream of the compressor. Locate the blockage and correct it.
T
Timothy BergAug 30, 2025
What causes improper mounting or vibration in a BLACKMER Air Compressor?
- W
  William WilsonAug 30, 2025
  Improper mounting or vibration in your BLACKMER Air Compressor can occur due to loose or broken mounting or anchor bolts; refer to 'Mounting the Compressor Unit' and ensure the base is fully supported. It can also be caused by improperly aligned V-belt sheaves; see 'V-Belt Drives'. Another potential cause is an improperly installed flywheel; consult 'Compressor Flywheel'. Additionally, faulty valves can contribute to vibration, so replace or repair them as needed.
T
Tonya OrtegaAug 29, 2025
What to do if my BLACKMER LB602C has excess flow?
- A
  Allen GarzaAug 29, 2025
  If your BLACKMER Air Compressor experiences excess flow due to slugged flow valves, installing a valved bypass line between the suction and discharge lines may be necessary.
Y
ydavisAug 27, 2025
What to do if my BLACKMER LB602C Air Compressor has a liquid trap full?
- K
  Kimberly WhiteAug 27, 2025
  If the liquid trap in your BLACKMER Air Compressor is full, drain it through the drain valve and relieve vacuum through the bleeder valve on top of the liquid trap. You can also stop the compressor to let the excess flow open.
A
Angela BradyAug 27, 2025
What to do if my BLACKMER LB602C Air Compressor has knocks or other noises?
- H
  Hannah MendozaAug 27, 2025
  If your BLACKMER Air Compressor is making knocking or other unusual noises, it might be due to worn internal parts. Inspect the internal parts through the inspection plates and repair as necessary.

BLACKMER LB602C Specifications

General

Brand	BLACKMER
Model	LB602C
Category	Air Compressor
Language	English

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