Powerfist 11G-2-30H, User Manual

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12
5. TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Compressor Stalls Low gasoline
Bad unloader/check valve
Seized pump
Low engine idle speed or improper
carburetor setting Add gasoline.
Replace unloader/check valve.
Contact authorized service center.
Refer to Engine Operator’s Manual.
Low discharge pressure Air leaks
Restricted air intake
Leaking valves
Blown gaskets
Worn piston rings or cylinder
Defective unloader
Drive belt slipping
Defective pressure gauge Tighten or replace leaking fittings or connections.
Do not over-tighten.
Clean or replace air filter element(s).
Contact authorized service centre.
Contact authorized service centre.
Contact authorized service centre.
Contact authorized service centre.
Adjust drive belt.
Replace gauge.
Compressor pump knocking Loose engine pulley or compressor
flywheel
Low oil level in pump crankcase
Excess carbon on valves on top of
piston
Worn connector rod at wrist pin end Tighten pulley and flywheel. Check alignment.
Keep oil level full at all times.
Contact authorized service centre.
Contact authorized service centre.
Oil in discharge air Worn piston rings or cylinder
Restricted air intake
Oil level too high Contact authorized service centre.
Clean or replace the air filter element(s).
Reduce to proper level. Use non-detergent oil.
Overheating Poor ventilation
Dirty cooling surfaces
Clogged intake system
Inadequate lubrication
Restricted air passages
Pulley rotation wrong
Relocate compressor to an area with cool, dry,
well circulated air at least 12 in. from the nearest
wall.
Clean all cooling surfaces thoroughly.
Clean/replace intake filter.
Check oil level.
Replace transfer tubes and/or unloader.
Check pulley rotation direction.
Excessive belt wear Pulley out of alignment
Improper belt tension
Pulley wobbles Realign pulley with compressor flywheel.
Readjust
Replace the pulley and check for a damaged
crankshaft or flywheel.