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CAS40P 40 CFM / 100 PSIG
SECTION 7: TROUBLESHOOTING
PAGE - 63
®
An Oshkosh Corporation Company
Oil in discharge air
(continued)
Restricted crankcase breather
Clean or replace breather.
Worn piston rings
Replace rings (
Section 6.4.8
).
Piston rings incorrectly installed
Reinstall ensuring that they are installed
according to the directions in this manual
(
Section 6.4.8
).
Worn or scored cylinder
Replace cylinder and rings (
Section
6.4.8
).
Knocking sound
Crankcase oil level low
Add oil to the correct level (
Section
6.4.3
).
Soiled or defective check valve
Clean or replace.
Worn piston ring
Replace piston and pin (
Section 6.4.8
).
Worn main bearing
Replace bearings and/or shaft.
Worn connecting rod
Replace connecting rod (
Section 6.4.8
).
Excessive crackshaft end move-
ment
Replace crank shaft bearings.
Piston contacting piston plate
Inspect, repair, replace valves and piston
(
Section 6.4.8
).
7.2 TROUBLESHOOTING GUIDE
MALFUNCTION/FAULT
POSSIBLE CAUSE
CORRECTIVE ACTION
Manual #99905382 Rev 02
(JUNE 2018)
Summary of Contents for IMT CAS40P
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