Makita MAC5501G Use and Care Manual download pdf (Page 16)

PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION

Insufficient Clogged inlet filter Clean or replace as necessary

output, low Leaks in air lines, air valves, Replace worn components as

discharge fittings, etc. necessary

pressure Drive belts slipping. Tension V-belts

Drain valve left open Close drain valve

Defective pressure gauge Replace pressure gauge

Leaking head gasket

Replace head gasket

Dirty or plugged inter cooler Remove and clean inter cooler

tubes tubes

Unloader pilot adjusted too Make necessary adjustments

low, or defective

Worn or defective compressor Replace valves

valves

Worn piston work out rings Replace worn parts

Restrictive check valve Clean check valve and replace

if necessary

Compressor incorrectly sized Upgrade to larger compressor

Engine stalls Faulty unloader / check valve Replace unloader check valve

Low oil in engine Add oil to engine

Compressor not level Level compressor

Water in Cycle too short; compressor Allow for longer operating

crankcase does not operate long enough cycle

oil gets dirty, to vaporize condensed mois-

rusty valves ture during compression

or cylinders

Compressor operating out- Provide adequate protec-

side in cold conditions or inlet tion against extreme weather

filter not protected against conditions

weather

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Makita MAC5501G Use and Care Manual Page 16