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Crack-Vac Model 100G Manual
Chapter 8 Troubleshooting
©2020 by Crafco, Inc. All Rights Reserved
Troubleshooting 8-3
Problem
Possible Cause
Remedy
Compressor overheats.
Low compressor oil.
•
Add oil. Check oil level with
equipment on level ground.
Wrong compressor oil used.
•
Flush and replace with
VMAC compressor oil.
Plugged compressor oil filter.
•
Replace oil filter.
WHASP Cooling fan not
functioning.
•
Repair or replace.
•
Make sure there is adequate
air flow for the cooler.
High ambient temperatures.
•
Reduce duty cycle.
Oil temperature-switch failure.
•
Replace if defective.
Restricted oil lines.
•
Check for kinked or pinched
lines.
Blowdown does not function.
Scavenge tube frozen,
plugged or obstructed.
•
Clean or replace tube.
Blowdown muffler plugged or
obstructed.
•
Replace muffler.
Blowdown valve failure.
•
Replace blowdown valve
assembly.
Oil comes out of the blowdown
muffler.
Operating angle more than 15°
from horizontal.
•
Reduce operating angle.
Compressor oil overfilled.
•
Reduce oil level. Check oil
level with equipment on level
ground.
Faulty blowdown shuttle valve.
•
Replace blowdown shuttle
valve.
Blowdown valve failure.
•
Replace blowdown valve
assembly.
Pressure relief valve venting
below 200 psi.
Defective pressure relief valve.
•
Replace pressure relief
valve.
Compressor will not build to
set pressure.
Air supply valve in on position.
•
Close air supply valve
Plugged or dirty compressor
air filter.
•
Replace air filter.
Drive belt slipping
•
Check belt, tensioner, and
pulleys. Replace defective
components.
Pressure relief valve leaking.
•
Replace pressure relief
valve.
Table 8-3 Trouble Shooting Guide Compressor System (continued)
Содержание 60800N
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