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Never apply excessive pressure by a holding device which may cause distortion of a part.
Apply pressure evenly to parts which have a press fit.
Apply even pressure to the bearing race that will be press fitted to the mating part.
Use correct tools and fixtures when servicing this tool.
Don’t damage O-Rings when servicing this tool.
Use only genuine Ingersoll Rand replacement parts for this tool. When ordering, specify part number, description, tool model number and
serial number.
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Disassembly
Flat-angle Head Disassembly
Loosen Housing Nut (57) completely and pull Flat-angle Head
Assembly from Gearing.
Remove Screw (66) from Gear Shaft.
Remove Sems Fasteners (78), releasing Cover Plate (77).
Gears, Bearings and Shafts can now be removed from Head
assembly (61). NOTE: Do not remove Bearings from Gears unless
damage is evident.
Pull Bevel Pinion (60), with Bearing (59) and Drive Spindle (58),
from Ring Gear (52).
Clamp Flats of Drive Spindle (58) in a Vise and remove Bevel
Pinion (60), using a Wrench on Flats. Bearing (59) may now be
removed from Drive Spindle.
Drive Gearing Disassembly
Loosen Housing Nut (57) and remove Flat-angle Head Assembly.
Unthread and remove Ring Gear (52) and components from the
tool.
Grasp Ring Gear in one hand and Tap Drive end of Spindle with
a Soft Face Hammer; Spindle and components will loosen from
Ring Gear.
Remove Spacers (50 and 49 or 55).
Alternately tap ends of Shafts (47) to remove Bearing (45) and
Spacer (46).
Remove Shafts (47), releasing Gears, with Needle Bearings (31).
Do not remove Bearing (51) unless damage is evident. To remove,
press out of Ring Gear.
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Auxiliary Gearing Disassembly
Remove Flat-angle Head Assembly and Drive Gearing Assembly
from tool.
Loosen Lock Nut (28).
Using a Wrench on Flats of Housing Adapter (38), unthread and
remove Gearing from tool.
Grasp Housing Adapter (38) in one hand and tap splined end of
Spindle with a Soft Face Hammer; Spindle and components will
loosen from Adapter.
Remove Bearings (29 and 36) from Spindle.
Rotate Snap Ring (35 or 43) so the open portion will allow the
removal of one Shaft (30).
Remove Shaft (30), releasing Gear.
Repeat for opposite Shaft and Gear.
Motor Disassembly
The Motor Assembly can be removed after the removal of Gearing
or Head Assembly.
Using a Spanner type Wrench, remove Retainer Nut (12).
Remove Sems Fastener (13).
Grasp Cylinder in one hand and tap splined end of Rotor with a
Soft Face Hammer; Motor will come apart.
Head Disassembly
Remove Air Regulator Nut (11), releasing Seal (10). Air Regulator (9).
Spring (8) and Throttle Valve Stem (6).
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Assembly
Flat-angle Head Assembly
Pack Bearings and lubricate Gears and Shafts with 33153 Grease,
or equivalent, upon assembly.
Assemble Needle Bearing (69) into Bevel Gear (70), pressing ush
with top surface of Gear.
Assemble Bearing (71) to Bevel Gear (70), pressing on outer race
of Bearing.
Assemble Bevel Gear (70), with Bearings, to Shaft (68).
Assemble Shaft (68) and components to Head Assembly (61),
securing with Lock Washer (65) and Screw (66).
Assemble Bearing (74) to Spur Gear (73), pressing on outer race of
Bearing and pressing below ush with both faces of Gear.
Assemble Shaft (72) and Gear (73) to Head Assembly (61).
Assemble Retainer (76) to groove in Cutter Driver (75).
Assemble Cutter Driver (75) and Cover Plates (67 and 77) to Head
Assembly, securing with Sems Fasteners (78).
Assemble Bearing (59) to Drive Spindle (58), pressing on inner
race of Bearing.
Assemble Bevel Pinion (60) to Drive Spindle (58) and tighten,
using a Wrench on Flats.
Assemble Drive Spindle (58) and components to Gearing.
Assemble Head Assembly (61) and components to tool, securing
with Housing Nut (57).
Note: Flat-angle Head Assembly should contain
approximately 114 oz. (7 g) of Grease.
Drive Gearing Assembly
Pack Bearings and lubricate Gears and Shafts with 33153 grease,
or equivalent, upon assembly.
Assemble Spacer (49 or 55) to Spindle.
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Assemble Needle Bearings (31) to Gears and assemble Gears to
Spindle, securing with Shafts (47). Align Notch in end of Shafts
with Spacer.
Assemble Spacer (46) and Bearing (45) to Spindle, pressing on
inner race of bearing.
Assemble Spacer (50) to Spindle.
Assemble Spindle and components to Ring Gear (52).
Note: Gearing should contain approximately 114 oz. (7 g) of
Grease.
Assemble Gearing assembly to tool.
Assemble Flat-angle Head Assembly to tool, securing with
Housing Nut (57).
Auxiliary Gearing Assembly
Pack Bearings and lubricate Gears and Shafts with 33153 Grease,
or equivalent, upon assembly.
Assemble Snap Ring (35 or 43) to groove in Spindle.
Assemble Needle Bearings (31) to Gears and assemble Gears to
Spindle, securing with Shafts (30). After assembly, rotate Snap
Ring, securing both Shafts.
Assemble Bearings (29 and 36) to Spindle, pressing on inner race
of Bearings.
Assemble spindle and components to Housing Adapter (38).
Note: Gearing should contain approximately 114 oz. (7 g) of Grease.
Assemble Lock Nut (28) to Housing Adapter and assemble Gearing
to tool, using a Wrench on Flats to tighten.
Secure Gearing by tightening Lock Nut (28) against Motor
Housing (24).
Assemble Drive Gearing and Flat-angle Head Assembly to tool.
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