Hycomp Air Boosters, Руководство по установке и эксплуатации

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44
TOUBLESHOOTING CHART (cont’d)
LOW OIL LEVEL
NO OIL PRESSURE
LOOSE FLYWHEEL OR MOTOR PULLEY
WORN BEARINGS
LOOSE ROLLER MAIN
LOOSE GUIDE PISTON
WORN COMPRESSION PISTON GUIDE
RING
VALVE ASSEMBLIES LOOSE
PISTON HITTING CYLINDER HEAD
CHECK FOR PROPER OIL LEVEL. IF LOW, CHECK FOR DAMAGE TO
BEARINGS.
CHECK ALL POSSIBLE REMEDIES LISTED UNDER “LOW OIL
PRESSURE” IN THIS SECTION.
CHECK FOR TIGHTNESS OF FLYWHEEL AND PULLEY CLAMPING
BOLTS.
INSPECT CONNECTING ROD INSERTS AND WRIST PIN BUSHINGS
FOR EXCESSIVE WEAR. REPLACE AS NECESSARY.
CHECK FOR CRANKSHAFT END PLAY BY PUSHING AND PULLING
ON FLYWHEEL. IF PLAY CAN BE FELT CHECK FOR DAMAGE
TO ROLLER BEARINGS. IF NO DAMAGE IS EVIDENT TO THE
BEARINGS, PROCEED WITH REMOVING CRANKSHAFT END PLAY
PER SERVICE SECTION.
CHECK DIAMETER OF GUIDE PISTON. IF WITHIN SPECIFICATION,
GUIDE CYLINDER MAY BE WORN.
REPLACE GUIDE RING BY REMOVING CYLINDER HEAD AND
PISTON. CHECK COMPRESSION CYLINDER AND PISTON FOR
DAMAGE.
REMOVE VALVES AND INSPECT VALVE AND CYLINDER HEAD FOR
DAMAGE. USING A NEW VALVE SEAT GASKET, TIGHTEN VALVE
COVER, THEN VALVE CLAMP SCREW.
REMOVE COMPRESSOR CYLINDER HEAD AND INSPECT FOR
FOREIGN MATERIAL ON PISTON TOP. ADJUST PISTON TO PROPER
CYLINDER HEAD CLEARANCE. REPLACE USING NEW GASKETS.
KNOCKING OR THUMPING SOUNDS
PULLEY NOT PROPERLY ALIGNED
BELT TOO TIGHT OR TOO LOOSE
PULLEY WOBBLE
REALIGN MOTOR PULLEY WITH THE COMPRESSOR FLYWHEEL.
ADJUST BELT TENSION PER TABLE 4, IN SECTION 2, COMPRESSOR
STARTUP.
CHECK FOR BENT PULLEY, FLYWHEEL OR SHAFTS.
EXCESSIVE ‘V’ BELT WEAR
PROBABLE CAUSE
SUGGESTED REMEDY
PROBABLE CAUSE SUGGESTED REMEDY