VMAC
– Vehicle Mounted Air Compressors
VMAC Technical Support:
1-888-241-2289
VMAC Knowledge Base: www.kb.vmacair.com
57
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Excessive vibration.
Loose fasteners.
Torque fasteners, use appropriate
thread locking compound.
Belt or pulley worn.
Replace components as needed.
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Excessive oil in the air.
Clogged scavenge tube
or fitting.
Clean or replace.
Coalescing separator
failure.
Replace coalescing filter.
Compressor oil overfilled.
Check oil level with equipment on
level ground.
Operating angle more
than 15° from horizontal.
Reduce operating angle.
Incorrect start up / shut
down procedures.
Observe start up / shut down
procedures detailed in this
manual.
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Compressor overheat.
Low compressor oil level.
Check oil level with equipment on
level ground.
Wrong compressor oil
used.
Flush and replace with VMAC
approved compressor oil.
Oil condition.
Service compressor.
Plugged compressor oil
filter.
Replace oil filter.
WHASP Cooler not
functioning or plugged.
Clean or replace the WHASP
Tank
WHASP Cooling fan not
functioning.
Repair or replace.
High ambient
temperatures.
Reduce duty cycle.
Oil temperature switch
failure.
Replace if defective.
Restricted oil lines.
Check for kinked or pinched
lines.
Mounted in enclosure.
See enclosure mounting
parameters on p. 21.
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Engine will not crank.
Battery discharged.
Charge or replace battery.
Use recoil pull start.
Fuel shut off lever left on
during transport, fuel
flooded crank case and
cylinder.
Remove spark plug. Use recoil
starter to drain cylinder. Change
oil and filter.
Summary of Contents for G300003
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