Maintenance Section; General Instructions - Ingersoll Rand TD Serie Manuel D'exploitation Et D'entretien

Always wear eye protection when operating or
performing maintenance on this tool.
Always turn off 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.
LUBRICATION
Whenever one of these Grinders is disassembled for
overhaul or replacement of parts, lubricate as follows:
1. Always wipe the Vanes (13) with a light film of oil
before inserting them into the vane slots.
2. Lubricate the Front Seal Cup Assembly (16, 39A or
47A) with Ingersoll–Rand No. 50 Oil.
3. Inject 0.5 to 1.0 cc of Ingersoll–Rand No. 10 Oil into
the Air Inlet Assembly (1) after assembly.
DISASSEMBLY

General Instructions

1. Do not disassemble the tool any further than
necessary to replace or repair damaged parts.
2. When grasping a tool or part in a vise, always use
leather–covered or copper–covered vise jaws to
protect the surface of the part or tool and help prevent
distortion. This is particularly true of threaded
members and housings.
3. 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.
4. Do not disassemble the tool unless you have a
complete set of new gaskets and O–rings for
replacement.
5. Do not press any needle bearing from a part unless
you have a new needle bearing on hand for
installation. Needle bearings are always damaged
during the removal process.
Steps common to ALL models ending in G4
1. Using the Collet Body Wrench (41A) to hold the
Collet Body (39) from turning and the Collet Nut
Wrench (41B) on the Collet Nut Assembly (41),
unscrew and remove the Nut.
2. Remove the Collet (40).
Steps common to ALL models ending in H63
1. Use an adjustable spanner wrench in one of the holes
in the Wheel Adapter (47) and a 9/16" wrench to
loosen and remove the Flange Nut (49). Remove the
Wheel Flange (48) and grinding wheel.
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MAINTENANCE SECTION

Steps common to ALL TD models
Steps common to ALL TXD models
25
2. Using a 5/32" hex wrench, loosen the Guard
Adapter Screw (43) and pull the Guard Adapter
Assembly (42) and assembled Guard (44) from the
Arbor Housing (35).
1. Grasp the tool in copper–covered or leather–covered
vise jaws with the spindle upward and using a 1–1/2"
wrench, unscrew and remove the Clamp Nut (22).
This is a left–hand thread and must be rotated
clockwise.
2. Remove the Clamp Spacer (21) and Flange
Clamp (20).
3. Pull the Flange (19) and Flow Ring (18) off the front
of the Motor Housing (5).
4. Grasp the Collet Body and pull the assembled motor
out of the Motor Housing. Remove the Motor
Housing from the vise and remove the two Rear Rotor
Bearing Spacers (10) from the bottom of the Housing.
5. Remove the Vanes (13) from the Rotor (12).
6. Grasp the Rotor in copper–covered or leather–covered
vise jaws with the Collet Body (39) upward. Using the
Collet Body Wrench (41A), unscrew and remove the
Collet Body. Remove the Front Seal Cup Assembly
(39A) from the Collet Body.
1. Use a screwdriver to remove the Arbor Housing Plug
(26) and rotate the Arbor (24) until the crosshole in
the Arbor is aligned with the opening in the Arbor
Housing (25).
2. Insert a 5/32" (4 mm) diameter hardened steel rod
approximately 6" (150 mm) long through the arbor
crosshole to sprag the Arbor. Using a spanner wrench
on the Wheel Adapter (47), unscrew and remove the
Adapter.
3. Grasp the tool in copper–covered or leather–covered
vise jaws with the spindle upward and using a 1–1/2"
wrench, unscrew and remove the Arbor Housing. This
is a left–hand thread and must be rotated clockwise.
4. Remove the Clamp Sleeve (23), Flange Clamp (20),
Flange (19) and Flow Ring (18) from the front of the
Motor Housing (5).
5. Using snap ring pliers, remove the Arbor Bearing
Retaining Ring (28).
6. Stand the Arbor Housing (25), threaded end upward,
on the table of an arbor press and using a rod or piece
of tubing that contacts the outer ring of the bearing,
press the Front Arbor Bearing (27) from the Arbor
Housing.
7. Grasp the Arbor and pull the assembled motor out of
the Motor Housing. Remove the Motor Housing from
the vise and remove the two Rear Rotor Bearing
Spacers (10) from the bottom of the Housing.
REV.000