Speedaire Operating Instructions & Parts Manual
Speedaire
Portable Gasoline Air Compressor
Troubleshooting Chart
Symptom
Noisy operation
Air leaks from Pressure Relief
Valve
Air leaks at pump
Air blowing from Air Intake Filter
Moisture in discharge air
Excessive oil consumption or oil in
hose
Oil has milky appearance
®
Possible Cause (s)
1.
Lack of oil in the pump
2.
Carbon deposits on pistons or
valves
3.
Bearing, piston or connecting
rod failure
1.
Possible defective Pressure Relief
Valve.
2.
Excessive air tank pressure
Defective gaskets
Defective inlet (reed) valve
Condensation in air tank caused
by high level of atmospheric
humidity or air compressor is not
run long enough
1.
Restricted Air Intake Filter
2.
Air compressor on unlevel
surface
3.
Crankcase overfilled with oil
4.
Wrong viscosity
5.
Plugged oil dipstick vent
6.
Worn piston rings or scored
cylinder
Water in oil due to condensation
9
Corrective Action
1.
Add correct amount of oil. Check
for bearing damage
2.
Remove cylinder head and inspect.
Clean or replace
3.
STOP THE AIR COMPRESSOR!
Contact your Customer Service
1.
Operate Safety Relief Valve
manually by pulling on ring. If it still
leaks, it should be replaced
2.
Clean, reset or replace Pilot Valve
Torque head bolts: 15 ft./lbs
Contact your Customer Service
Run air compressor a minimum of
one hour to prevent condensation
buildup. Drain air tank after every
use. Drain air tank more often in
humid weather and use an air line
filter
1.
Clean or replace
2.
Do not incline the air compressor
more than 10° in any direction
while running
3.
Drain oil. Refill to proper level
with SAE-30W non-detergent oil
4.
Drain oil. Refill to proper level
with SAE-30W non-detergent oil
5.
Clean
6.
Contact your Customer Service
Change oil and move air compres
sor to a less humid environment
4GB42
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