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Product Safety Information
WARNING
Failure to observe the following warnings, and to avoid these potentially hazardous situations, could result in death or serious injury.
Read and understand this and all other supplied manuals before installing, operating, repairing, maintaining, changing accessories on, or
working near this product.
Always wear eye protection when operating or performing maintenance on this tool. The grade of protection required should be assessed
for each use and may include impact-resistant glasses with side shields, goggles, or a full face shield over those glasses.
Always turn off the air supply, bleed the air pressure and disconnect the air supply hose when not in use, before installing, removing or
adjusting any accessory on this tool, or before performing any maintenance on this tool or any accessory.
Do not use this tool if the actual free speed exceeds the rated rpm. Check the free speed of this tool before mounting any accessories, after
all tool repairs, before each job and after every 8 hours of use. Check speed with a calibrated tachometer, without the abrasive product
installed.
Note:
When reading the instructions, refer to exploded diagrams in Parts Information Manuals when applicable (see under Related Documentation
for form numbers).
Lubrication
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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 film of oil before inserting
them into the vanes slots.
Inject 0.5 to 1.0 cc of Ingersoll Rand No. 10 oil into the air inlet
Assembly after assembly.
1.
2.
Whenever a new Wick is installed, soak the Wick in approximately
1-1/2 cm
3
of Ingersoll Rand No. 63 or No. 10 oil. Do not substitute
any other oil.
Always apply 1.5~2 cc Ingersoll Rand No. 67 grease into Bevel
Gear and wick cavity in the Angle Head. Do not substitute any
other grease.
3.
4.
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 fit 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.
Do not press any needle bearing from a part unless you have a
new needle bearing on hand for installation. Needle bearing are
always damaged during the removal process.
Tool special instructions
Steps common to all Straight Models
1. Remove the Housing Nut using wrench.
2. Remove the Clamp Nut using wrench.
3. Pull the Motor subassembly out of the Motor Housing.
4. Disassemble the Motor.
Steps common to all Extended Models
1. Remove the Housing Nut using wrench.
2. Remove the extension Housing using wrench.
3. Remove the Arbor Coupling.
4. Pull the Motor subassembly out of the Motor Housing.
5. Disassemble the Motor.
6. Disassemble the extension Housing subassembly.
Steps common to all Angle Models.
1. Remove the Angle Head Cover.
2. Remove the Housing Nut using wrench.
3. Unscrew Clamp Nut from Housing using wrench, remove the
Angle Housing subassembly.
4. Pull the Motor subassembly out of the Motor Housing.
5. Disassemble the Motor.
6. Disassemble the Angle Housing subassembly.
1.
2.
3.
4.
5.
Disassembly of Angle Housing Subassembly
1. Pull out the Wick from Angle Housing Groove using pliers.
2. Unscrew Bearing Retainer Nut from Angle Housing (left hand
thread).
3. Pull out the Arbor subassembly from Angle Housing.
4. Support the Rear Bearing Inner Race, press the Arbor out of the
Bearing.
5. Support the Gear, press the Arbor out of the Gear.
6. Remove the Key from Arbor.
7. Support the front Bearing Outer Race, press the Arbor out of the
Bearing.
8. Remove the Spacer and Bearing Retainer Nut from Arbor.
Disassembly of Extension Housing Subassembly
Lock the Collet body at front flats, unscrew and remove the
Coupling Nut.
Remove the Ball Bearing from back, and remove the Collet body
from front.
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 Inlet Bushing and Throttle
Using a 3/4” wrench, unscrew and remove the Inlet Bushing
subassembly.
Remove the Diffuser and Muffler.
Remove the exterior Sleeve.
Remove Lever subassembly after pushing the Pin out of the
Housing.
Unscrew and remove the Valve Plug.
Remove the Spring and the Throttle Valve.
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2.
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2.
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5.
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