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4.
Work approximately 12 to 15 cc of Ingersoll–Rand No.
170 Grease into the impact mechanism.
5.
Smear a thin film of Ingersoll–Rand No. 170 Grease on
the inside surface of the Hammer Case Bushing (38)
and place the Hammer Case (39) down over the Anvil
and against the Motor Retainer.
6.
Install the Backcap Bolts and using a No. 27 Torx drive
wrench or bit, tighten them to 10 to 12 ft–lb (13 to 16
Nm) torque.
7.
Remove the Impactool from the vise and inject 2 to 4 cc
of Ingersoll–Rand No. 170 Grease into the Grease Fit-
ting (17).
Assembly of the Quick–Change Anvil
1.
Place the Hammer Frame Washer (33), hub side first,
over the hub of the Rotor and against the Front Rotor
Bearing.
2.
Set the assembled impact mechanism down over the
splined hub of the Rotor. If the impact mechanism was
disassembled, refer to Assembly of Impact Mechanism.
3.
Position the new Hammer Case Gasket (37) on Hous-
ing.
4.
Work approximately 12 to 15 cc of Ingersoll–Rand No.
170 Grease into the impact mechanism.
5.
Smear a thin film of Ingersoll–Rand No. 170 Grease on
the inside surface of the Hammer Case Bushing (38)
and place the Hammer Case (39) down over the Anvil
and against the Motor Retainer.
6.
Install the Backcap Bolts (14) and using a No. 27 Torx*
drive wrench or bit, tighten them to 10 to 12 ft–lb (13 to
16 Nm) torque.
7.
Reinstall the rear Thrust Ring Lock (44) on the Quick
Change Anvil.
8.
Place a dab of grease into the hole in the Quick Change
Anvil (42) to temporarily hold the Retaining Ball (47).
9.
Slide the Retaining Sleeve (43), Retaining Sleeve
Spring (46), Thrust Ring (45), and front Thrust Ring
Lock (44) onto the Anvil.
10. Remove the Impactool from the vise and inject 2 to 4 cc
of Ingersoll-Rand No. 170 Grease into the Grease Fit-
ting (17).
Assembly of the Tool
1.
Wipe a thin film of the recommended grease on the
inside of the Hammer Case Bushing (38) and insert the
assembled impact mechanism into Hammer Case (39).
2.
Secure the Hammer Case and impact mechanism by
the anvil (square drive) end in leather–coverd or cop-
per–covered vise jaws. See Dwg. TPD1918
Form P7715 Edition 1
MAINTENANCE (Continued)
When installing optional Hanger Kit, place Gasket on the
Hammer Case followed by the Hanger.
When installing optional Hanger Kit, place additional washer
provided between the Hammer Frame and Hammer Frame
Washer.
32
3.
Install a new Hammer Case Gasket (37) on the Ham-
mer Case making sure that the holes in the gasket align
with the holes in the Hammer Case.
4.
Wipe a small amount of the recommended grease on
the flat side of the Hammer Frame Washer (33) and
place it on the splined face of the Hammer Frame (34)
with the hub end of the washer pointing up.
5.
Set the fully assembled Motor Housing over the open-
ing in the Hammer Case. Insert the spline drive of the
Rotor into the splined hole of the impact mechanism.
Make sure of the wide section of the Hammer Case is
just above the Trigger.
6.
Place a new Backcap Gasket (15) over the rear of the
Housing making sure that the holes in the Gasket align
with the holes in the Housing and that the profile of the
Gaskets matches the profile of Housing.
7.
Place a Motor Clamp Washer (21) over the rear of the
motor with the convex side up and matching the large
outside diameter of the Rear End Plate.
8.
Place the Backcap (16) over the back of the Housing
making sure that the Reverse Valve Lever (18) is in the
full–forward (clockwise) position with the lugs in the
Lever engaging the slots in the Reverse Valve. Make
sure that the index mark on the Reverse Valve lines up
with the index mark on the reverse valve bushing.
9.
Install the four Backcap Bolts and using a No. 27 Torx*
drive wrench or bit, tighten to 10–12 ft–lbs (13–16 Nm)
torque.
(Dwg. TPD1918)
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