Quincy Compressor
1312100602, September 2012
10
3501 Wisman Lane, Quincy IL - 62305-3116
4. Motor overload relay trips
1. Light duty extension cord be-
ing used.
2. Loose electrical connection.
3. Lubricant being used is too
heavy.
5. Defective check valve or un-
loader.
6. Low voltage.
7. Freezing temperature.
8. Motor sized incorrectly.
9. Drive belt too tight.
11. Defective motor.
12. Lack of proper ventilation -
room temperature too high.
13. Motor voltage does not match
voltage of power source.
1. Use additional hose instead
of extra extension cord or use
heavier gauge extension cord.
2. Repair electrical connections.
3. Use a lighter weight lubricant
(refer to Lubrication).
5. Replace check valve or un-
loader.
6. Check with voltmeter.
7. Warm the compressor.
8. Replace with correctly sized
motor.
9. Readjust belt (refer to Belt
Align ment & Adjustment).
11. Replace motor.
12. Move the compressor to a well
ven tilated area.
13. Change power cord & voltage
of motor to match voltage of
power source.
PROBLEM
CAUSES
CORRECTION
1. Realign or tighten pulley and
fly wheel.
2. Take to Authorized Service
Center.
3. Tighten belt (refer to Belt
Align ment & Adjustment).
4. Shim to level surface & fasten
to floor if possible.
1. Pulley & flywheel misaligned
or loose.
2. Bent crankshaft.
3. Belt loose.
4. Compressor unit bolted to
uneven surface or not bolted
down at all (stationary mod-
els).
6. Excessive vibrations.
1. Check for possible damage to
bear ings. Add lubricant (see
Lubrication).
2. Tighten where necessary.
3. Remove the cylinder head and
in spect for foreign matter on
top of the piston. Clean.
4. Take to Authorized Service
Center.
1. Lack of lubricant in crankcase.
2. Loose pulley, flywheel, belt,
com pressor or motor fasteners,
belt guard, clamps or accesso-
ries.
3. Carbon deposits on piston or
valves.
4. Worn main bearings, broken
piston, worn wrist pins, wrist
pin bearings, or loose connect-
ing rod bolt.
5. Noisy operation.
