BE Pressure supply 30 Gallon Diesel Compressor / Welder / Generator AC1030K5000W - Manual (Page 5)

5
troubleshooting
Troubleshooting Chart
NOTE: Troubleshooting problems may have similar causes and solutions.
Make sure drive engine battery is disconnected before any mainte-
nance or repair.
ALWAYS MAKE SURE COMPRESSOR DRIVE ENGINE KEY
SWITCH IF OFF AND REMOVED FROM THE COMPRESSOR
You should always contact an authorized service center before at-
tempting to fix or repair your air compressor.
Problem Possible Cause Solutions
Compressor
stalls and dies
1. Drive engine low on fuel.
2. Compressor check valve not
functioning.
3. Compressor Pilot valve not
functioning.
4. Spark Plug in engine is bad.
5. Drive engine low on oil.
1. Check fuel level in drive engine.
2. Inspect compressor check valve.
3. Check drive engine spark plug.
4. Check oil level on compressor
drive engine.
5. Check oil on compressor pump.
Compressor
is running but
is not
compressing air
1. Compressor pilot valve is
actuated.
2. Compressor pilot valve is
malfunctioning.
3. Compressors pump head
unloaders stuck engaged.
1. Check pilot valve to make sure
it is in the proper position.
2. Replace compressor pilot valve.
3. Check and clean compressor
pump head unloaders.
Compressor
does not idle
up for
compression
1. Throttle control valve (bullwhip)
not engaging.
2. Throttle control valve cable
broken.
3. Drive engine throttle linkage
damaged.
1. Check throttle control valve
(bullwhip) for proper function.
2. Replace throttle control valve.
3. Check drive engine throttle
linkage.
Compressor
pump knocking
1. Loose motor pulley or
compressor flywheel.
2. Low oil level in compressor
pump.
3. Carbon build up on valve and
piston.
1. Tighten pulley or flywheel.
2. Keep oil level at recommended
level for proper operation.
3. Only use factory recommended
oil.