Product Manual
CA / CT SERIES
CAP600
Page
27
of
30
REV B June 2012
Problem Cause Remedy
7
Low discharge
pressure
• Manual drain not fully closed
(standard model)
• Automatic drain not fully closed (if
applicable)
• Clogged air filter / intake
• Leaks in air distribution system
• Clogged air distribution system
• Worn out pressure switch
• Belt slipping
• Worn piston rings
• Worn head gasket
• Worn valves
• Close the drain cock
• Clean or replace automatic drain
• Replace the filter
• Check fittings, bushings and
connections for leaks
• Clean air distribution system
• Replace pressure switch
• See 6
• Replace with ring kit
• Replace with gasket kit
• Replace with valve kit
8
Excessive belt
wear
• Belt too tight or too loose
• Incorrect belt
• Exposure to abrasive dust
• Working pressure too high
• Worn or misaligned pulley
• Adjust belt tension
• Use correct belt
• Eliminate dust or relocate unit
• Lower working pressure
• Replace or realign pulley
9
Lubricant appears
milky
• Water in the crankcase
• Incorrect oil
• Water contaminated oil
• Water leaking back through
discharge valve
• Compressor not running long enough to
prevent condensation
• Use correct oil
• Replace oil
• Re-pipe with drip legs and pitch piping
away from the compressor
10
Excessive oil in
compressed air
• Oil level too high
• Incorrect oil
• Piston ring not fully seated
• Worn piston ring
• Bleed excess oil
• Use correct oil
• Allow 100 hours to break in rings
• Replace with ring kit
11
Motor overloads
• Working pressure too high
• Incorrect voltage
• Lower working pressure
• Contact distributor
If your problem is not resolved after performing troubleshooting, or not listed above, please
contact your local distributor for more assistance.