DeWalt D55270T User Manual page 17

Gas Manual 10-5-01 2/10/03
C o d e Probable Cause
2 0 Defective gaskets
2 1 Fittings not tight enough
2 2 Defective or rusted air tank
2 3 Pressure regulator knob not turned to high enough pressure
or defective pressure regulator.
2 4 Hose or hose connections are to small or long.
2 5 Possible defective (reed) valve.
2 6 Air compressor on unlevel surface.
2 7 Crankcase overfilled with oil.
2 8 Plugged crankcase vent.
2 9 Water in oil due to condensation.
3 0 Condensation in air tank caused by high level of
atmospheric humidity.
3 1 Unit located in damp or humid location.
3 2 Engine oil too low. Low oil shut off is on.
3 3 Manual lock on pilot valve is in the loaded position.
3 4 Engine idle speed too low
3 5 Vee belt loose
3 6 Engine problem
2:31 PM Page 14
Probable Solution
Replace and torque head bolts to 6 - 7 ft lb
Warning : drain air before tightening; tighten fittings where air can
not be heard escaping.Check joint with soap solution.Do not
o v e r t i g h t e n
Air tank must be replaced. Do not attempt to repair air tank
Adjust pressure regulator knob to proper setting or replace.
Replace with larger hose or connectors.
Remove pump head and inspect valve plate and (reed) valve. Clear or
replace valves as required.
Do not incline the air compressor more than 10˚ in any direction while
r u n n i n g .
Drain oil. Refill to proper level with D
C l e a n .
Drain oil. Refill to proper level with D
Drain air tank after every use.
Drain air tank more often in humid weather and use an air line filter.
Relocate unit
Add engine oil.
Move manual lock into an in-line position.
Increase idle speed
Adjust vee belt
See "Taking care of unexpected problems" in engine owners manual.
14
WA LT synthetic oil.
E
WA LT synthetic oil.
E