11
Air Compressor
TROUBLES AND REMEDIES
Trouble
Possible causes
Remedies
Motor unable to
run or running
slow
1 Fault in line, or voltage insufficient
2Power wire too thin or too long
3 Fault in pressure switch
4 Fault in motor
5 Sticking of main compressor
1 Check the line
2 Replace the wire
3 Repair or replace
4 Repair or replace
5 Check and repair
Sticking of
main
compressor
1 Moving parts burnt due to the oil insufficient
2 Moving parts damaged, or stuck by foreign
body
1 Check crankshaft, bearing, con-
necting rod, piston, piston ring, etc.
and replace if necessary
Excessive vibra-
tion
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
2 Replace with thicker
paper gasket
4 Repair or replace
Pressure
insufficient or
discharge
capacity
decreased
1 Motor running too slow
2 Air filter choked up
3 Leakage of safety valve
4 Leakage of discharge pipe
5 Sealing gasket damaged
6Valve 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
Excessive oil
consumption
1 Oil level too high
2 Breath pipe choked 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 RABD255/100/2.5
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