Model # EX840100 Official Campbell Hausfeld air compressor

Here are the diagrams and repair parts for Official Campbell Hausfeld EX840100 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 68 parts |

#NI

Compressor diagram

Inspection port o-ring

Part #ST070190AV

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

#17

Pump assy diagram

Gasket

Part #XA010600AV

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

#29

Compressor diagram

Key, 3/16-in

Part #KE000900AV

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

Pump assy diagram

Air compressor dipstick and breather tube

Part #VT041700AJ

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

#NI

Compressor diagram

Decal

Part #DK364601AV

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

#24

Compressor diagram

Extension

Part #ST083800AV

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

#NI

Compressor diagram

Screw

Part #ST209800AV

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

#32

Compressor diagram

Screw

Part #ST012200AV

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

#11

Pump assy diagram

Oil seal

Part #ST129700AV

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

#38A

Compressor diagram

Filter

Part #ST073920AV

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.

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Why does air leak from my air compressor?

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

Why won't my air compressor start with a full air tank?

Main cause: bad check valve…

Why won't my air compressor build tank pressure?

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

Why won't my air compressor tank hold air?

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

Why does my air compressor safety valve keep popping open?

Main causes: bad safety valve, pressure switch failure…

Why can't I adjust the output air pressure on my air compressor?

Main cause: faulty output air pressure regulator…

Why doesn't my air compressor's pressure gauge work?

Main cause: bad air tank pressure gauge…

Why is my air compressor not turning on?

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.

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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

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

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.

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Model # EX840100 Official Campbell Hausfeld air compressor

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your air compressors

Why does air leak from my air compressor?

Why won't my air compressor start with a full air tank?

Why won't my air compressor build tank pressure?

Why won't my air compressor tank hold air?

Why does my air compressor safety valve keep popping open?

Why can't I adjust the output air pressure on my air compressor?

Why doesn't my air compressor's pressure gauge work?

Why is my air compressor not turning on?

Most common repair guides to help fix your air compressors

How to replace an air compressor pressure switch

How to rebuild an air compressor pump

How to replace an air compressor check valve

Effective articles & videos to help repair your air compressors

How to tell if a fuse is blown

How to reduce air compressor noise

How to maintain an oil-lubricated air compressor

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