Always wear eye protection when operating or performing maintenance on this tool.
Always turn o the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this tool or
before performing any maintenance on this tool.
Note: When reading the instructions, refer to exploded diagrams in parts Information Manuals when applicable (see under Related
Documentation for form numbers).
Lubrication
Whenever one of these Grinder is disassembled for overhaul or
replacement of parts, lubricate the tool as follows:
Always wipe the Vanes with a light lm of oil before inserting
them into the vanes slots.
1.
Inject 0.5 to 1.0 cc of Ingersoll Rand No. 10 oil into the air inlet
Assembly after assembly.
2.
Disassembly
General Instructions
Do not disassemble the tool any further than necessary to replace
or repair damaged parts.
Whenever grasping a tool or part in a vise, always use leather-
covered or copper-covered vise jaws to protect the surface of
the part and help prevent distortion. This is particularly true of
threaded members and housings.
Do not remove any part which is a press t in or on a subassembly
unless the removal of that part is necessary for repairs or
replacement.
Do not disassemble the Tool unless you have a complete set of
new gaskets and O-rings for replacement.
Tool special instructions
Steps common to all models
1. Remove the Clamp Nut using wrench.
2. Pull the Motor subassembly out of the Motor Housing.
3. Disassemble the Motor.
1.
2.
3.
4.
Disassembly of the Motor
Grasp the Cylinder in a soft sided vise and use a punch to tap the
Rotor out of the Rear Bearing.
Remove the Rear Endplate, Rear Bearing and Spring Washer.
Remove the Vanes out of Rotor.
Grasp the Rotor in a soft sided vise and remove the Collet body or
Coupling Nut or Pinion.
Press Rotor out of the front Bearing by support front Endplate.
Remove Spacer.
Disassembly of the Throttle
Unscrew and remove the Valve Plug.
Remove the Spring and the Throttle Valve.
1.
2.
3.
4.
5.
1.
2.
Assembly
General Instructions
Always press on the inner ring of a ball-type bearing when
installing the bearing on a shaft.
Whenever grasping a tool or part in a vise, always use soft sided
vise jaws. Take extra care not to damage threads or distort
housings.
Always clean every part and wipe internal part with a thin lm of
oil before installation.
Check every bearing for roughness. Don’t use rough bearings.
Assembly of the Motor Housing
Add O-ring onto Throttle Pin, Insert Throttle Pin with Spring into
Valve hole of Housing assembly.
Add the O-ring onto Valve Plug, screw the Valve Plug into Housing
Thread, tighten it to 5 N.m torque.
1.
2.
3.
4.
1.
2.
Final Assembly
1. Install motor into the Motor Housing. Make sure the Cylinder
Dowel Pin is aligned with the round hole in the Motor Housing.
2. Place the O-ring in Clamp nut insert, apply Loctite 243
approximately 2 to 3 pitches on Clamp Nut Insert thread.
Assemble Clamp nut insert into clamp nut with 15 N.m torque.
3. For Straight Model, apply Loctite 243 approximately 2 to
3 pitches on the Clamp Nut Thread, thread it into Housing
Assembly, tighten it to 20 N.m torque.
4. Install the Collet and Collet Nut.
