Trouble Shooting - Makita MAC5500G Operating Instructions Manual

PRObLEM POSSIbLE CAuSE
Will not start
Low pressure Safety valve leaks.
Drain cock open.
Loose tubes or fittings.
Dirty or plugged air filter.
Defective unloader valve.
Oil in Too much oil in the crank-
discharge case.
Improper oil viscosity.
Compressor overheated.
Restricted air filter.
Worn piston rings.
Compressor Dirty compressor head, cylin-
overheats der or intercooler.
Clogged inlet filter.
Operating pressure too high.
Low oil or wrong oil being
used.
Compressor cycle too long.
Proper cycle is 50-60% on
Stop/Start operation.
Compressor Pilot valve differential adjust-
loads & un- ed too close.
loads or idols
up & down
excessively Leaks in air system.
Worn or loose drive belts
Defective compressor valves.
Compressor too small for
intended use.
10
tROubLE ShOOtInG
CORRECtIvE ACtIOn
Please refer to Honda manual
included
Replace safety valve.
Close drain cock.
Tighten fittings.
Clean or replace as necessary.
Replace unloader valve.
Drain oil and fill to proper level.
drain and replace oil
Air pressure regulated too
high.
Clean or replace air filter.
Replace piston rings.
Clean with compressed air.
Clean or replace as necessary.
Reduce operating pressure.
Drain and replace oil.
Allow for longer rest between
cycles.
Replace worn components as
necessary.
Make necessary adjustments.
Check for leaks.
Tighten V-belts or replace
Replace valves.
Upgrade to larger compressor.