Coleman
Air Compressor

Model # LC631112 Official Coleman air compressor

Here are the diagrams and repair parts for Official Coleman LC631112 air compressor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 66 parts  |

Air Compressor Interconnect Cord 026-0233
#12

Tank/pump/motor diagram

Air compressor interconnect cord

Part #026-0233

The manufacturer no longer makes this part, and there's no substitute part

Check Valve 031-0071
#20

Tank/pump/motor diagram

Check valve

Part #031-0071

The manufacturer no longer makes this part, and there's no substitute part

Power Cord 026-0030
#15

Tank/pump/motor diagram

Power cord

Part #026-0030

The manufacturer no longer makes this part, and there's no substitute part

Transfer Tube (11 Gal) 145-0386
#6

Tank/pump/motor diagram

Transfer tube (11 gal)

Part #145-0386

The manufacturer no longer makes this part, and there's no substitute part

Pressure Switch 034-0150
#3

Gauge/pressure switch/nipple diagram

Pressure switch

Part #034-0150

The manufacturer no longer makes this part, and there's no substitute part

Tank Assembly (20 And 21 Gal)(includes 18a-18e) 153-0075
#18G

Tank/pump/motor diagram

Tank assembly (20 and 21 gal)(includes 18a-18e)

Part #153-0075

The manufacturer no longer makes this part, and there's no substitute part

Crankshaft, Eccentric (5 And 6 Hp Models) 053-0084
#11

Motor/fan/head/cylinder diagram

Crankshaft, eccentric (5 and 6 hp models)

Part #053-0084

The manufacturer no longer makes this part, and there's no substitute part

Head 042-0104
#4

Motor/fan/head/cylinder diagram

Head

Part #042-0104

The manufacturer no longer makes this part, and there's no substitute part

Right Shroud 142-0123
#5

Tank/pump/motor diagram

Right shroud

Part #142-0123

The manufacturer no longer makes this part, and there's no substitute part

Gauges 032-0025
#6

Gauge/pressure switch/nipple diagram

Gauges

Part #032-0025

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your air compressors

Choose a symptom to see related air compressor repairs.

Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad…

Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve pla…

Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain va…

Main causes: bad safety valve, pressure switch failure…

Main cause: faulty output air pressure regulator…

Main cause: bad air tank pressure gauge…

Main causes: lack of electrical power, check valve failure, bad pressure switch…

Most common repair guides to help fix your air compressors

These step-by-step repair guides will help you safely fix what’s broken on your air compressor.

How to replace an air compressor pressure switch

How to replace an air compressor pressure switch

You can replace a broken air compressor pressure switch in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less
How to rebuild an air compressor pump

How to rebuild an air compressor pump

If the air compressor won't fill the tank with compressed air, rebuild the pump using these steps in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less
How to replace an air compressor check valve

How to replace an air compressor check valve

You can replace a defective air compressor check valve in about 10 minutes.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air compressors

Use the advice and tips in these articles and videos to get the most out of your air compressor.

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

How to reduce air compressor noise

How to reduce air compressor noise

Find out how to reduce air compressor noise.…

How to maintain an oil-lubricated air compressor

How to maintain an oil-lubricated air compressor

See how to perform routine maintenance on your oil-lubricated air compressor.…