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(Dwg. TPD1336)
2.
Install the Rear Rotor Bearing (4) into the rear of the Cylinder (1).
3.
Install the Rotor in the Cylinder and secure with the Rear Rotor
Bearing Retainer (7).
4.
Install Vanes (5) in the slots in the Rotor (6).
5.
Install the Front Rotor Bearing (3) into the Front End Plate (2). Install
the Front End Plate on the Cylinder by pressing on the inner face of
the front Rotor Bearing until the Bearing is seated on the Rotor Shaft.
6.
Install the Power Management Dial Seal (43) on the Power
Management Dial (42), and install the Dial in the end of the Cylinder.
7.
Clean the Silencer (45) using a suitable cleaning solution in a well-
ventilated area. Position the Silencer over the top of the Cylinder and
insert the Motor Assembly into the Housing (20), Power Management
Dial end first.
Assembly of the Impact Mechanism
BOTTOM HAMMER
HALF-ROUND
NOTCH ON LEFT;
BEVELS ON BOTTOM
(Dwg. TPA1813)
1.
Coat the Hammers (15) with a light film of No. Ingersoll-Rand 105-
1LB Grease or Ingersoll-Rand No. 105-8LB Grease.
2.
Heavily coat the jaws of the Anvil (9) with Ingersoll-Rand No. 105-
1LB Grease or Ingersoll-Rand No. 105-8LB Grease.
3.
Replace the Hammers in the Hammer Frame (13) exactly as they
were when you marked them prior to disassembly.
4.
Replace the Hammer Pins (14).
5.
Examine the base of the Anvil (9) and note its contour. While looking
down through the Hammer Frame, swing the top Hammer to its full
extreme one way or another until you can match the contour of the
Anvil. Enter the Anvil into the Hammer Frame and through the first
Hammer. Swing the bottom Hammer in the opposite direction from
the top Hammer and maneuver the Anvil slightly until it drops into the
bottom Hammer.
See Dwg. TPD1813.
6
INSTALLATION
OF MOTOR
GASKET
TOP HAMMER
HALF-ROUND
NOTCH ON RIGHT;
BEVELS ON TOP
NOTICE
Be sure to position the Top Hammer with the half-round notch on the right
and the bevels on the top, and the Bottom Hammer with the half-round
notch on the left and the bevels on the bottom, as shown in Dwg.
TPA1813.
Assembly of the Air Wrench
1.
Position the Motor Housing (20) in leather-covered vise jaws with the
splined shaft of the Rotor in a horizontal position.
2.
Place the assembled impact mechanism down onto the splined hub
of the Rotor.
3.
Position the Hammer Case Gasket (19) against the face of the Motor
Housing.
NOTICE
Be sure that the small tab on outside surface of the Gasket is
located in line with the center of the Trigger.
See Dwg. TPA1811.
4.
Apply a thin film of Ingersoll-Rand No. 105-1LB Grease or
Ingersoll-Rand 105-8LB Grease on inside surface of the Hammer
Case Bushing (17), and place the Hammer Case (16) down over the
Anvil and against the Motor Housing.
FRONT OF HOUSING
GASKET
TAB
(Dwg. TPA1811)
5.
Install the Hammer Case Screws (12) and tighten them to 15 in-lb
(1.7 Nm) torque.
Form 04583993-Edition 1
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