TROUBLE

PROBABLE CAUSE

 

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

Thermal overload

1. Low voltage

1. Check with voltmeter

protector cuts out

2. Clogged air filter

2. Clean filter (see

repeatedly

 

 

Maintenance section)

 

3. Lack of proper ventila-

3. Move compressor to well

 

tion/room temperature

 

ventilated area

 

too high

 

 

 

 

 

4. Unit is plugged into

4. Remove extension cord

 

extension cord

 

 

 

 

 

5. Low oil level

5. Add oil to proper level

 

 

 

Air tank pressure

1. Loose connections (fit-

1. Check all connections with

drops when com-

tings, tubing, etc.)

 

soap and water solution

pressor shuts off

 

 

and tighten

 

2. Loose drain valve

2. Tighten

 

3. Check valve leaking

3. Disassemble check valve

 

 

 

assembly, clean or replace

 

 

 

 

 

 

 

 

! DANGER:

 

 

 

 

Do not disassemble

 

 

check valve with air in

 

 

tank; bleed tank

 

 

 

 

Excessive moisture

1. Excessive water in air

1. Drain tank

in discharge air

tank

 

 

 

 

 

2. High humidity

2. Move to area of less

 

 

 

humidity; use air line filter

 

 

 

 

Compressor runs

1. Defective pressure

1. Replace switch

continuously

switch

 

 

 

 

 

2. Excessive air usage

2. Decrease air usage; com-

 

 

 

pressor not large enough

 

 

 

for a requirement

 

 

 

 

Compressor vibrates

Loose mounting bolts

Tighten

 

 

 

 

Air output lower than

1. Broken inlet valves

1. Have authorized service

normal

 

 

representative repair unit

 

2. Intake filter dirty

2. Clean or replace intake fil-

 

 

 

ter

 

3. Connections leaking

3. Tighten connections

 

 

 

 

 

 

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