PROBLEM

 

 

CAUSE

 

 

 

 

 

ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor runs

 

 

1.

Cooling fins dirty.

 

 

1.

Clean cylinder fins and motor area.

 

 

hot.

 

 

 

2.

Air filter clogged.

 

 

 

 

2.

Inspect and clean air filter.

 

 

 

 

 

 

3.

Compressor

is

 

 

3.

Do not allow the compressor to run over

 

 

 

 

 

 

 

exceeding

its duty-

 

 

 

its recommended duty cycle.

 

 

 

 

 

 

 

cycle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure relief

 

 

1.

Faulty

pressure

 

 

 

1.

Turn compressor off, unplug from power

 

 

valve

stays

 

 

 

switch, unit is trying

 

 

 

supply, drain tank. DO NOT USE until

 

 

open

and

 

 

 

to overpressure

the

 

 

 

switch is repaired or replaced.

 

 

motor

wonÕt

 

 

 

tank.

 

 

 

 

 

2.

Relief valve is relieving pressure too

 

 

stop running.

 

 

2.

Faulty

pressure

 

 

 

early, test pressure relief and repair or

 

 

 

 

 

 

 

relief valve.

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

 

 

 

 

 

Air leaks from

 

 

1.

Faulty check valves.

 

 

 

1.

Clean dirt or debris from rubber mem-

 

 

p r e s s u r e

 

 

2. faulty

pressure

 

 

 

brane of check valve after removing top

 

 

switch.

 

 

 

 

switch.

 

 

 

 

 

 

nut.

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Repair or replace pressure switch.

 

 

Air is

dirty or

 

 

1. Tank is not drained.

 

 

 

1. Open drain cocks on both tanks and make

 

 

has excessive

 

 

 

 

 

 

 

 

 

 

certain all condensation water is drained

 

 

moisture.

 

 

 

 

 

 

 

 

 

 

out.

 

 

 

 

 

 

2.

Delivery pipes

are

 

 

2.

Remove delivery pipes, clean out and

 

 

 

 

 

 

 

dirty.

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H3372 3 HP Air Compressor

-17-

Page 19
Image 19
Grizzly H3372 instruction manual Faulty