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The Reverse Button (left) (4B) must be pushed in
before the Trigger can be installed. Otherwise, the
Trigger will be damaged during installation.
4. Install the Trigger by pushing it into the handle until a
click is heard indicating that it is properly engaged.
Figure 14
Assembly of the Motor
When disassembling, assembling or pulling the
Motor, we recommend replacement of the Motor
Gasket (7).
1. Install the Motor Gasket in the Housing making sure
that the grooves in the tab of the Motor Gasket fit
around ridge in the Housing. Refer to Figure 14.
2. Install the Rear Rotor Bearing (3) into the rear of the
Cylinder (1).
3. Install the Rotor in the Cylinder and secure with the
Rear Rotor Bearing Retainer (6).
4. Install Vanes (4) in the slots in the Rotor (5).
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 race of the front Rotor
Bearing until the Bearing is seated on the Rotor Shaft.
6. Install the Power Management Dial Seal (5A) on the
Power Management Dial (35) and install the Dial in
the end of the Cylinder.
The Power Management Dial is properly installed
by inserting the tab on the Power Management
Dial into the open space between the three balls
pressed into the power selection area of the rear of
the Cylinder. When installed in this manner, the
Dial can not be moved. If it is not properly
installed, the Power Management Dial will not fit
MAINTENANCE SECTION
INSTALLATION
OF MOTOR
GASKET
(Dwg. TPD1336)
25
into the rear of the Cylinder and/or can not be
rotated.
7. Insert the Motor Assembly into the Housing (19),
Power Management Dial end first.
Assembly of the Impact Mechanism
BOTTOM HAMMER
HALF- -ROUND
NOTCH ON LEFT
Figure 15
1. Coat the Hammers (14) 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 (8) with
Ingersoll- - Rand No. 105- - 1LB Grease or
Ingersoll- - Rand No. 105- - 8LB Grease.
3. Replace the Hammers in the Hammer Frame (12)
exactly as they were when you marked them prior to
disassembly.
If you are installing new Hammers or want to
change the location of the existing Hammers to
utilize both impacting surfaces, slide the Hammers
in the Hammer Frame so that the half- - round notch
on one Hammer is located on one side of the Frame
and the half- - round notch on the other Hammer is
located on the other side of the Frame.
4. Replace the Hammer Pins (13).
5. Examine the base of the Anvil (8) 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. Refer to Figure 15.
TOP HAMMER
HALF- -ROUND
NOTCH ON RIGHT
(Dwg. TPD1535)
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