TROUBLE SHOOTING
LISTED BELOW ARE SOME OF THE MOST COMMON CAUSES FOR THE GRINDER | TO MALFUNCTION. | MALFUNCTIONS | BEYOND | THE SCOPE OF THIS MANUAL |
SHOULD BE BROUGHT TO THE ATTENTlON OF YOUR ARO REPRESENTATIVE | OR RETURN THE | TOOL TO THE FACTORY FOR | REPAIR. | |
CONDITION
LOW SPEED AND POWER OR GRIND- ER WILL NOT RUN.
THROTTLE VALVE HARD TO OPERATE.
TOOL WILL NOT SHUT OFF.
POSSIBLE CAUSE
1.INADEQUATE AIR SUPPLY.
2.AIR REGULATOR (30603) IMPROPER-
LY ADJUSTED.
3.AIR INLET OR EXHAUST SCREEN PLUGGED.
4.OBSTRUCTION IN THROTTLE VALVE OR VALVE NOT OPENING.
5.MOTOR NOT BEING PROPERLY LU- BRICATED.
6.ROTOR BLADE IS MISSING, INCOR- RECTLY INSTALLED, BADLY WORN OR BEARING FAILURE.
1.DAMAGED VALVE PIN OR COM- PONENTS.
1.DAMAGED VALVE COMPONENTS.
CORRECTIVE ACTION
1.CHECK AIR SUPPLY FOR CORRECT REGULATOR ADJUST- MENT (90 P.S.I.G. MAX. WHEN TOOL IS OPERATING).
2.CHECK REGULATOR ADJUSTMENT TO BE SURE OF MAXIMUM
AIR FLOW.
3.INSPECT, WASH CLEAN.
4.DISASSEMBLE THROTTLE, CLEAN, INSPECT FOR OBSTRUC- TIONS OR DAMAGED PARTS.
5.APPLY 2 OR 4 DROPS OF SPINDLE OIL IN AIR INLET. RUN TOOL TO ALLOW OIL TO ENTER MOTOR - BE CERTAIN OILER IS FULL OF OIL.
6.DISASSEMBLE MOTOR, CLEAN AND INSPECT FOR PROPER INSTALLATION, REPLACE BLADES AND/OR BEARINGS IF NEC- ESSARY.
1.DISASSEMBLE VALVE COMPONENTS, INSPECT, REPLACE IF NECESSARY.
1.DISASSEMBLE VALVE COMPONENTS, INSPECT, REPLACE PARTS IF NECESSARY.
DIMENSIONAL DATA
2-9/32 (APPROX.)
(49mm)(56mm)
10