Troubleshooting

Problem	Possible Causes		Likely Solutions
Decreased output. 1. Not enough air pressure and/		1.	Check for loose connections and make sure
	or air flow.		that air supply is providing enough air flow
			(CFM) at required pressure (PSI) to the
			tool’s air inlet. Do not exceed maximum air
			pressure.
2.	Obstructed valve.	2.	Clean around valve to ensure free
			movement.
3.	Incorrect lubrication	3.	Lubricate using air tool oil and grease
	inadequately lubricated.		according to directions.
4.	Blocked air inlet screen (if	4.	Clean air inlet screen of buildup.
	equipped).

5.Air leaking from loose housing. 5. Make sure housing is properly assembled and tight.

	6.	Mechanism contaminated.	6.	Have qualified service technician clean and
				lubricate mechanism. Install in-line filter in air
				supply as stated in Initial Set Up: Air Supply.
	7.	Rotor blade wear or damage.	7.	Replace all rotor blades as a set.
Housing heats	1.	Incorrect lubrication or not	1.	Lubricate using air tool oil and grease
during use.		enough lubrication.		according to directions.
	2.	Worn parts.	2.	Have qualified service technician inspect
				internal mechanism and replace parts as
				needed.
Severe air	1. Cross-threaded housing		1.	Check for incorrect alignment and uneven
leakage.		components.		gaps. If cross-threaded, disassemble and
(Slight air leakage				replace damaged parts before assembly.
is normal,	2. Loose housing.		2.	Tighten housing assembly. If housing cannot
especially on older				be tightened properly, internal parts may be
tools.)				misaligned.
	3.	Damaged valve or housing.	3.	Replace damaged components.

4.Dirty, worn or damaged Control 4. Clean or replace Control Ring assembly. Ring (3).

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect air supply before service.

SKU 97870

For technical questions, please call 1-800-444-3353.

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