Makita MAC1000 specifications Do not O~ERTIGHT~N

TROUBLES) OOTING CHART

Note: Troubleshooting problems may have similar causes and solutions.

]PROBLEM	POSSiBLECAUSE
	Tank petcock is open
or	Fittingsleak
Compressor does not	Restrictedair intake
stop	Prolongedexcessive use of air
	Compressornot large enough
	Restrictedcheck valve
	Hole in air hose
	Tank leaks
	Blown seals
	Valve leaks
	Leaking or worn piston seal
Excessive starting and	Fittingsleak
Istopping, while not in
Air leaks from regulator,	Dirty or damaged regulator
or regulator does not	internal parts.
regulate pressure
Regulated ressure	This is normal
gauge reaing drops
when air accessory is	Compressor not large enough
being used.
Circuit breaker trips	Low voltage
(fuse blows) too often	Excessivewire length
	Restrictedair passages
	Back pressure in pump head
Overheating	Poor ventilation
	Dirty cooling surfaces
	Leaking valve
Motor stalls	Low voltage
	Defective pressure switch bleeder
	Valve
Pressure relief valve	Tank pressure exceeded normal
opens	operating pressure
	Pressure switch stuck ON

Close petcock.

DO NOT

Check fittinO~ERTIGHTPNs with soa water. Tighten. or reseal leakingfittings.

Clean or replace air filter element.

Decrease amount of air used.

Check air requjrement of accessory. If it is higher than CFM and ressure supplied by compressor, you need a lar er compressor.

bost accessories are rated at 25% of actual CFhfwhile running continuously.

Remove and dean or replace.

Check and replace if necessary.

Immediately replace tank. DO NOT attempt to repair.

Replace any faulty seals.

Replaceworn parts and reassemblewith new seals.

Replace piston and cylinder sleeve assemblies.

Check fittin s with soap water Tighten or reseal leakingfittings.

DO NOT O~ERTIGHT~N . '

Replacewom parts and reassemblewith new seals.

Replace any faulty seals.

Clean or replace regulator or intemal parts.

If pressure drops too low, adjust regulator while accessory is used.

Check air requirement of accessory. If it is higherthan CFM and r s s u r e supplied by compressor, you needa lar er compressor. ost accessories are rated at 25% of actual CFawhile running

continuously.

Furnish adequate power. If using extension cord, try without. Consult elecbiaan.

Contact authorized service center.

Replace check valve.

Relocate compressor to an area with cod, dry andwell-circulated air. Clean all cooling surfaces of pump and motor thoroughly.

Replaceworn parts and reassemblewith new seals.

Furnish adequate power.

Replace bleeder valve.

Replace pressure switch.

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