Troubleshooting Guide - Makita MAC3001 Manuel D'instructions

MONTHLY
¾ Inspect unit for leaks
¾ Tighten joints if leaks are observed
¾ Check V-belt for proper tension
¾ Check compressor pulley and motor sheave are aligned and securely
fastened (see item 8)
QUARTERLY
¾ Inspect the air receiver for corrosion or other damage
¾ Change compressor oil
¾ Replace air filters (more often if compressor is used near paint spraying
operations or in dusty environments).
PROBLEM
Will not start
Low pressure
Oil in discharge Improper oil viscosity
MAINTENANCE SCHEDULE

TROUBLESHOOTING GUIDE

POSSIBLE CAUSE
Check power supply
Check motor reset button
Safety valve leaks
Drain cock open
Loose tubes or fittings
Dirty or plugged air filter
Defective unloader valve
Too much oil in the
crankcase
Compressor overheated
Restricted air filter
Worn piston rings
CORRECTIVE ACTION
Make sure power is turned
on
Depress motor reset button
Replace safety valve
Close drain cock
Tighten fittings
Clean or replace as
necessary
Replace unloader valve
Drain and replace oil
Drain oil and fill to proper
level
Air pressure regulated too
high
Clean or replace air filter
Replace piston rings
11