Advertisement
All manuals and user guides at all-guides.com
CHAPTER
CHAPTER
8.TROUBLESHOOTING
8.TROUBLESHOOTING
CHAPTER
CHAPTER 8.TROUBLESHOOTING
8.TROUBLESHOOTING
Symptom
Probable cause
Low
discharge
1.
Air
pressure
capacity.
2.
Leaking air
3.
Restricted air intake
4.
Blown gaskets
5.
Leaking or damaged valves
Pump
1. Insulating gasket between filter
overheating and
and head is missing.
damaging
air
2. Brolen valves blown gasket.
filter.
Excessive
noise
1. Loose motor or losse pulley.
or
abnormal
2. Low oil in crankcase
noise
3. Worn connecting rods
4. Worn piston pin
5. Piston hitting valve plate
6. Noisy check valve.
demand
exceeds
pump
- 13 -
Corrective Action
1. Decrease air demand or use a larger
capacity air compressor
2. Listen for high pitched escaping air.
Apply soap solution to all fittings and
connections. Bubbles will appear at
points of leakage. Tighten or replace
leaking fittings or connections.
3. Clean air filter element.
4. Replace faulty gaskets.
5. Remove head and inspect for valve
breakage,
misaligned
damaged valve seats, etc. Replace
defective parts and reassemble.
1. Install gasket.
2. Replace valves or install new gaskets.
1. Tighten engine mount bolts and
pulley setscrews.
2. Refill oil to the proper level. Also, if
always low, check for possible
damage to bearings or oil leaks.
3. Replace connecting rod. Maintain oil
level and change oil more frequently.
4. Remove old piston pin, measure abd
verify specifications are within limits.
If not, replace piston pin and replace
oil more frequently.
5. Remove the compressor head and
valve plate for carbon deposits or
other foreign objects. Replace the
head and valve plate and use a new
gasket.
6. Replace.
valves,
Advertisement
