18
troubleshooting
Troubleshooting
Trouble
Possible causes
Remedies
Sticking of main
compressor
1. Moving parts burnt
due to the oil insufficient
2. Moving parts
damaged, or stuck by
foreign body.
Check crankshaft,
bearing, connecting
rod, piston, piston ring,
etc, And replace if
necessary.
Terrible shake or
abnormal noise
1. Connecting part
loosed
2. Foreign body got into
main compressor
3. Piston knocking valve
seat
4. Moving parts seriously
worn
1. Check and retighten
2. Check and clean
away
3. Replace with thicker
paper gasket
4. Repair or replace
Pressure
insufficient
or discharge
capacity
decreased
1 Motor running too slow
2. Air filter chocked up
3. Leakage of safety valve
4. Leakage of discharge
pipe
5. Sealing gasket
damaged
6. Valve plate damaged,
carbon buildup or stuck.
7. Piston ring and
cylinder worn or
damaged
1. Check and remedy
2. Clean or replace the
cartridge
3. Check and adjust
4. Check and repair
5. Check and replace
6. Replace and clean
7. Repair or replace
The oil
Consumption too
excessive
1. Oil level too high
2. Breath pipe chocked
up
3. Piston ring and
cylinder worn or
damaged
1. Keep the level within
set range
2. Check and clean
3. Repair or replace
Summary of Contents for AC3030B
Page 19: ...19 exploded view Exploded View AC3020B ...
Page 21: ...21 exploded view Exploded View AC3030B ...
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