Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Air is dirty or has exces-

1.

Tank is not drained.

1.

Open drain valve and

sive moisture.

 

 

 

make certain all the water

 

 

 

 

is drained out.

 

2.

Delivery pipes are dirty.

2.

Remove delivery pipes,

 

 

 

 

clean out and replace.

 

 

 

 

 

Air tools have oily dis-

1.

Compressor tank need

1.

Drain compressor tank

charge.

 

draining.

 

(Page 14).

 

2.

Compressor crankcase is

2.

Drain and return oil level

 

 

over full with oil.

 

to normal (Page 8).

 

3.

In-line oiler is out of

3.

Adjust in-line oiler drip

 

 

adjustment (if used).

 

ratio or use correct vis-

 

 

 

 

cosity oil for in-line oiler.

 

4.

In-line filter is damaged

4.

Replace filter or in-line

 

 

or missing (if used).

 

filter assembly.

 

5.

Incorrect viscosity of oil

5.

Crankcase oil is too light,

 

 

in the crankcase.

 

replace with actual com-

 

 

 

 

pressor oil.

 

6.

Compressor is at fault.

6.

Worn compressor piston,

 

 

 

 

rings, or valves. Rebuild

 

 

 

 

or replace compressor.

 

 

 

 

 

Air tools have watery

1.

Compressor tank needs

1.

Drain compressor tank

discharge or get cold

 

draining.

 

(Page 14).

and freeze up with ice

2.

Ambient environment has

2.

Install in-line air dryer

during use.

 

too much humidity.

 

and water separator.

 

3.

In-line water separator is

3.

Drain water separator.

 

 

full (if used).

 

 

 

 

 

 

 

Compressor does not

1.

Air leaks in tanks or deliv-

1.

Check air tanks, pipes

build air pressure, or

 

ery pipes.

 

and all connections for

does not reach full pres-

 

 

 

leaks.

sure.

2.

Drain valve open.

2.

Close drain valve.

 

3.

Air filter clogged.

3.

Inspect and clean air fil-

 

 

 

 

ter.

 

4.

Leaking check valve.

4.

Repair the check valve

 

 

 

 

(Page 18).

 

5.

Reed valves not sealing.

5.

Remove cylinder head

 

 

 

 

and replace reed valves.

 

6.

Head gasket or valve

6.

Remove head and

 

 

body gasket leaking.

 

replace gaskets.

 

7.

Worn rings.

7.

Inspect and replace pis-

 

 

 

 

ton rings.

 

8.

Broken crank shaft or

8.

Replace or rebuild com-

 

 

connecting rod.

 

pressor.

 

 

 

 

 

Model T21888 (Mfg. since 2/10)

-17-

Page 19
Image 19
Grizzly instruction manual Model T21888 Mfg. since 2/10