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QTY
1
1
5
6
1
1
1
2
1
PART
NUMBER
31092
31093
31363
36317
41795
41799
41954
42911
45474
SERVICE KIT NO. 42114
FOR SERVICING ADJUSTABLE CLUTCH MODELS
DESCRIPTION
SPRING
THRUST PIN
BLADE
PIN
MOTOR OIL
GEAR LUBE
“O” RING LUBE
SCREEN
MUFFLER
PART
QTY
NUMBER
6 Y16-205
1
Y147-68
1 Y178-25
2 Y180-13
2
Y325-7
2 Y325-11
2 Y325-12
2 Y325-13
SERVICE KIT NO. 42341
FOR SERVICING DIRECT DRIVE AND POSITIVE CLUTCH MODELS
PART PART
NUMBER
DESCRIPTION
31092 SPRING
31093 THRUST PIN
31363 BLADE
41795
MOTOR OIL
41799
GEAR LUBE
41954 “O” RING LUBE
42911 SCREEN
45474
MUFFLER
QTY
NUMBER DESCRIPTION
1 Y147-68 RETAINER RING
1 Y178-25 ROLL PIN
2
Y180-13
“E” RING
2 Y325-7 “O” RING
2 Y325-11 “0” RING
2 Y325-12 “0” RING
2
Y325-13 “0” RING
TROUBLE SHOOTING
DESCRIPTION
BALL
RETAINING RING
ROLL PIN
“E” RETAINING RING
“O” RING
“0” RING
“0” RING
“0” RING
LlSTED BELOW ARE SOME OF THE MOST COMMON CAUSES FOR THE SCREWDRIVER TO MALFUNCTION. MALFUNCTlONS BEYOND THE SCOPE OF THIS
MANUAL SHOULD BE BROUGHTTO THE ATTENTlON OF YOUR ARO REPRESENTATlVE OR RETURN THE TOOL TO THE FACTORY FOR REPAIR.
CONDITION
LOW SPEED OR
FAILURE TO OPER-
ATE.
CLUTCH DISEN-
GAGES TOO SOON
OR FAILURE OF
CLUTCH TO DISEN-
GAGE.
POSSIBLE CAUSE
I. INADEQUATE AIR SUPPLY.
2. CLOGGED AIR INLET, BADLY WORN
OR DAMAGED THROTTLE COM-
PONENTS OR CLOGGED MUFFLER.
2.
DISASSEMBLE, CLEAN, INSPECT THROTTLE COMPONENTS,
REPLACE WORN OR DAMAGED PARTS. REFER TO PAGE 11.
3. IMPROPER LUBRICATION OF UNIT
(MOTOR AND/OR GEARING), DIRTY
MOTOR (ROTOR BLADES STICKING,
ETC.), OR BROKEN OR BADLY WORN
ROTOR BLADES OR BEARINGS IN
MOTOR.
3.
BE SURE LUBRICATOR IS FULL OF OIL AND GEARING IS LU-
BRICATED REGULARLY, REFER TO PAGE 3. DISASSEMBLE,
CLEAN, INSPECT, REPLACE WORN OR DAMAGED PARTS, LU-
BRICATE.
4. BADLY WORN OR DAMAGED
4.
DISASSEMBLE CLUTCH. CLEAN, INSPECT, REPLACE WORN
CLUTCH COMPONENTS.
OR DAMAGED PARTS, LUBRICATE.
1. IMPROPER CLUTCH ADJUSTMENT.
1.
REFER TO CLUTCH ADJUSTMENT, PAGES 5 AND 6.
2. BADLY WORN OR DAMAGED 2.
CLUTCH COMPONENTS.
DISASSEMBLE CLUTCH, CLEAN, INSPECT, REPLACE WORN
OR DAMAGED PARTS, LUBRICATE. REFER TO PAGES 6 AND 6.
CORRECTIVE ACTION
I.
CHECK AIR SUPPLY FOR CORRECT REGULATOR ADJUST-
MENT (90 P.S.I.G. MAX. WHEN TOOL IS OPERATING).
12