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 ATTENTION OF YOUR ARO REPRESENTATIVE OR RETURN THETOOL TO THE FACTORY FOR REPAIR.
CONDlTlON |
| POSSIBLE CAUSE |
LOW SPEED AND | 1. | INADEQUATE AIR SUPPLY. |
POWER OR GRIND- |
|
|
ER WILL NOT RUN. | 2. | AIR REGULATOR (38775) IMPROPER- |
| ||
|
| LY ADJUSTED. |
| 3. | AIR INLET OR EXHAUST SCREEN |
|
| PLUGGED. |
CORRECTlVE ACTION
1.CHECK AIR SUPPLY FOR CORRECT REGULATOR ADJUST- MENT (90 P.S.I.G. MAX. WHEN TOOL IS OPERATlNG).
2.CHECK REGULATOR ADJUSTMENT TO BE SURE OF MAXIMUM AIR FLOW.
3.INSPECT, WASH CLEAN.
| 4. | OBSTRUCTION IN THROTTLE VALVE |
|
| OR VALVE NOT OPENING. |
| 5. | MOTOR NOT BEING PROPERLY LU- |
|
| BRICATED. |
| 8. | ROTOR BLADE IS MISSING, INCOR- |
|
| RECTLY INSTALLED, BADLY WORN |
|
| OR BEARING FAILURE. |
THROTTLE VALVE | 1. | DAMAGED VALVE PIN OR “0” RING. |
HARD TO OPERATE. |
|
|
TOOL WILL NOT | 1. | DAMAGED VALVE COMPONENTS. |
4.D&ASSEMBLE 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
8.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
SHUT OFF. |
I |
I
PARTS IF NECESSARY.
DIMENSIONAL DATA
AIR
L
1/4” N.P.T.F. AIR INLET
PN
