TROUBLE SHOOTING
Ml0
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LISTED BELOW ARE SOME OF THE MOST COMMON CAUSES FOR THE GRINDER | TO MALFUNCTION. | MALFUNCTIONS | BEYONDTHE SCOPE OF THIS MANUAL |
SHOULD BE BROUGHT TO THE ATTENTlON OF YOUR ARO REPRESENTATIVE | OR RETURN THE | TOOL TO THE FACTORY FOR REPAIR. | |
LOW SPEED AND POWER OR GRIND- ER WILL NOT RUN.
POSSIBLE CAUSE
1.INADEQUATE AIR SUPPLY.
2.AIR REGULATOR (43157) 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.
5.ROTOR BLADE IS MISSING, INCOR- RECTLY INSTALLED. BADLY WORN OR BEARING FAILURE.
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- TlONS 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.
5.DISASSEMBLE MOTOR, CLEAN AND INSPECT FOR PROPER INSTALLATION, REPLACE BLADES AND/OR BEARINGS IF NEC- ESSARY.
THROTTLE VALVE HARD TO OPERATE.
TOOL WILL NOT SHUT OFF.
1. | DAMAGED | VALVE | PIN OR “O” RING. | 1. | DISASSEMBLE | VALVE | COMPONENTS, | INSPECT, | REPLACE | IF |
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1. | DAMAGED | VALVE | COMPONENTS. | 1. | DISASSEMBLE | VALVE | COMPONENTS. | INSPECT. | REPLACE |
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| I | PARTS IF NECESSARY. |
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DIMENSIONAL DATA
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| 1/4 - 18 N.P.T. AIR INLET |
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| 2” (APPROX.) |
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MODELS | WITH | ) | |||
| COLLET | ASS’Y. |
| TYPICAL |
1/4 - 18 N.P.T. AIR INLET
5 - 3/16” MODELS WITH 43179. COLLET ASS’Y.
TYPICAL
DIA.
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