Craftsman 9-19905 Owners Manual - Page 16

Replace Reverse Valve. Refer

Page 16 highlights

Trouble Low power Motor will not run Tool will not impact Probable Cause Solution Dry Motor Daily, inject 3 cc of Craftsman No. 18830 Oil into the inletand run the tool to lubricate the motor. Inadequate air supply Install proper air supply and connection. Refer to Figure 1 on Page 5. Dirty Inlet bushing Using a clean, suitable, cleaning Screen solution in a well ventilated area, clean the Inlet Bushing Screen. Worn or broken Vanes Replace a complete set of Vanes Worn or broken Examine Cylinder. Check outside Cylinder and/or and ends for wear or damage and scored End Plates inside for scored or wavy bore. Re- place Cylinder if any of these condi- tions exist. Replace End Plates if they are scored. Dirty motor parts. Disassemble the Tool and clean with a suitable, cleaning solution in a well ventilated area. Assemble the Tool and inject 3 cc of the recommended oil into Inlet and run Tool to lubricate internal parts. Damaged Reverse Valve Replace Reverse Valve. Refer to Installation of Reverse Valve. Incorrect assembly of motor Disassemble motor and replace worn or broken parts and reassemble. Refer to Assembly of the Motor. Insufficient lubricant in impact mechanism. Broken or worn impact mechanism parts Lubricate impact mechanism through Hammer Case Grease Fitting using the recommended grease. Remove Hammer Case Assembly and examine impact mechanism parts. Replace any worn or broken parts. Impact mechanism not as- Refer to Assembly of Impact Mechanism. sembled correctly. 16

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Trouble
Probable Cause
Solution
Low power
DryMotor
Daily, inject 3 cc of
Craftsman
No.
18830 Oil into the inletand run the
tool to lubricate
the
motor.
Inadequate air
Install proper air supply and connec-
supply
tion. Refer to Figure 1 on Page 5.
Dirty Inlet bushing
Using a clean, suitable, cleaning
Screen
solution in a well ventilated area,
clean the Inlet Bushing Screen.
Replace a
complete
set of Vanes
Motor will
not run
Tool will not
impact
Worn or broken
Vanes
Worn or broken
Cylinder and/or
scored End Plates
Dirty motor parts.
Damaged Re-
verse Valve
Incorrect assem-
bly of motor
Insufficient lubri-
cant in impact
mechanism.
Broken or worn
impact mecha-
nism parts
Impact mecha-
nism not as-
sembled correctly.
Examine Cylinder. Check outside
and ends for wear or damage and
inside for scored or wavy bore. Re-
place Cylinder if any of these condi-
tions exist. Replace End Plates if
they
are
scored.
Disassemble the Tool and clean
with a suitable, cleaning solution in
a well ventilated area. Assemble the
Tool and inject 3 cc of the recom-
mended oil into Inlet and run Tool to
lubricate internal parts.
Replace Reverse Valve. Refer to
Installation
of Reverse
Valve.
Disassemble motor and replace
worn or broken parts and reassem-
ble. Refer to Assembly
of the
Motor.
Lubricate
impact
mechanism
through Hammer Case Grease
Fitting using the recommended
grease.
Remove Hammer Case Assembly
and examine
impact
mechanism
parts. Replace any worn or broken
parts.
Refer to Assembly
of
Impact
Mechanism.
16