RIDGID OL90150 manual Trouble Probable Cause Remedy

TROUBLE	PROBABLE CAUSE	REMEDY
Excessive belt wear	1. Pulley out of alignment	1. Realign motor pulley with
		compressor pulley
	2. Belt too loose or too tight	2. Adjust tension (See Drive
		Belt Section)
	3. Belt slipping	3. Adjust tension or replace
		belt (See Drive Belt
		Section)
	4. Pulley wobbles	4. Check for worn crankshaft,
		keyway or pulley bore
		resulting from running the
		compressor or motor with
		loose pulleys. Check for
		bent pulleys or bent crank-
		shaft
Oil in the discharge	1. Worn piston rings	1. Replace with new rings
air	2. Compressor air intake	2. Clean filter. Check for other
	restricted	restrictions in the intake
		system
	3. Restricted breather	3. Clean and check breather
		for free operation
	4. Excessive oil in compres-	4. Drain down to full level
	sor
	5. Wrong oil viscosity	5. Use SAE 30 (ISO 100)
		non-detergent compressor
		oil, Mobil 1 5W30 or Mobil
		1 10W30 (See page 14).
	6. Connecting rod out of	6. Replace rod
	alignment

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