Troubleshooting Guide - MAC TOOLS AW7500 Instrucciones

Trouble
Low power
Motor will not run
Tool will not impact
MAINTENANCE SECTION

TROUBLESHOOTING GUIDE

Probable Cause
Dry Motor
Inadequate air supply
Dirty Inlet bushing Screen
Worn or broken Vanes
Worn or broken Cylinder and/or
scored End Plates
Dirty motor parts.
Damaged Reverse Valve
Incorrect assembly of motor
Insufficient lubricant in impact
mechanism.
Broken or worn impact mecha-
nism parts
Impact mechanism not
assembled correctly.
SAVE THESE INSTRUCTIONS. DO NOT DESTROY.
Daily, inject 3 cc of Mac Tools Pneumatic Oil into
the inlet and run the tool to lubricate the motor.
Install proper air supply and connection. Refer to
Dwg. TPD905–1 and Dwg. TPA1814 on Page 3.
Using a clean, suitable, cleaning solution in a well
ventilated area, clean the Inlet Bushing Screen.
Replace a complete set of Vanes
Examine Cylinder. Check outside and ends for
wear or damage and inside for scored or wavy
bore.
Replace Cylinder if any of these conditions exist.
Replace End Plates if they are scored.
Disassemble the Tool and clean in a clean, suit-
able, 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.
Replace Reverse Valve. Refer to Installation of
Reverse Valve.
Disassemble motor and replace worn or broken
parts and reassemble. 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.
37
Solution