SECTION 5
TROUBLESHOOTING
TABLE 5-9. TROUBLE ANALYSIS FOR TIRE INFLATION SYSTEM.
CORRECTIVE ACTION
PROBABLE CAUSE
TROUBLE
Remove restriction. Replace
Restriction in compressor cylinder
Compressor Fails To
collapsed hoses.
head intake or discharge cavities,
Maintain Sufficient
or in discharge line.
Pressure In the
Air System
Repair or replace defective valves.
Leaking or broken discharge valves.
Overhaul or exchange compressor.
Excessive
wear.
Tighten drive belt or replace.
Drive belt slipping.
Repair or replace inlet valves.
Inlet valves stuck open.
Repair or replace inlet valves.
W orn inlet valves.
Perform leakage test and repair
Excessive system leakage or
as necessary.
usage.
Tighten drive pulley.
Loose drive pulley.
Noisy Operation
Remove restrictions.
Restrictions in cylinder head or
discharge line.
Replace bearings.
W orn or burned out bearings.
Remove oil flow restrictions. Re-
Compressor not getting proper
place oil feeder line.
lubrication.
Overhaul to proper dimensions or
Excessive
wear.
exchange compressor.
Overhaul to proper dimensions or
Excessive wear.
Compressor Passes
exchange compressor.
Excessive Oil
Clean engine air cleaner.
High inlet vacuum.
Check engine oil pressure.
Excessive oil pressure.
Repair compressor as necessary.
Defective or worn oil seal rings
in end cover.
Install piston rings
recommended
Piston rings not properly installed.
OS
in Section 12.
Check engine crankcase ventila-
Back pressure from engine
tion for restriction.
Repair unloader pistons as neces-
Defective unloader pistons or
Compressor Not
sary.
bores.
Unloading
Remove
restrictions.
Intake cavity restrictions.
5-55.
