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3. Lift Motor Clamp Washer(s) (16) off Housing.
4. Move Reverse Lever (12) to center position and using a drift pin to push from below, grasp Lever and lift Reverse Valve Assembly (13) out of
Housing.
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Make certain the Lever is in the center position to avoid jamming the Reverse Lock Plunger (30) when the Reverse Valve Assembly
is removed.
5. Pull Lever off Reverse Valve and remove Reverse Valve Bushing Seal (14) from groove on Valve.
6. Using needle nose pliers, remove Reverse Lock Plunger and Reverse Lock Plunger Spring (31) from Motor Housing.
Disassembly of the Motor
1. Remove assembled motor and Motor Housing from vise jaws and using a plastic hammer, tap splined shaft of Rotor (22) to dislodge Rotor
from Front Rotor Bearing (25).
2. Lift Motor Housing (26) off Rotor, Rear End Plate (20) and Rear Rotor Bearing (18) which will remain together as a unit.
3. Remove Vanes (23) from Rotor.
4. Pull Rear End Plate off Rotor.
5. Open a set of vise jaws wide enough to clear hub of Rear End Plate and sharply rap hub end of end plate on top of jaws to dislodge Rear
Rotor Bearing.
6. Remove Cylinder Dowel (19).
7. For 2955 Series: To remove Cylinder (21) and Front End Plate (24), thread four 5/16"-18 thread socket head cap screws that are at least
3" (75 mm) long into handle end of Housing. Grasping Housing with installed screws downward, sharply strike heads of screws on a sturdy
table to dislodge Cylinder. Cylinder should drop out of Housing after a few impacts. If it does not, proceed as follows:
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The following procedure requires the use of heat. Take all necessary precautions to prevent burns. Carefully heat alternate sides
of Housing until it is very warm. Using thick, heavy gloves to avoid being burned, grasp Housing and repeat attempt to dislodge
Cylinder.
8. Open a set of vise jaws wide enough to clear hub of Front End Plate and sharply rap hub end of end plate on top of jaws to dislodge Front
Rotor Bearing.
9. Remove two Air Port Gaskets (29) and Air Port Gasket Retainers (28) from Housing.
Disassembly of the Handle
1. Clamp Trigger Handle Assembly in leather-covered or coppercovered vise jaws with the Straight Inlet (10) upward.
2. Using a wrench, unscrew and remove Inlet as well as Air Strainer Screen (9) and valve Spring (8).
3. Remove Throttle Valve Assembly (6) and Valve Plunger (5) from Handle.
4. If Trigger (3) must be removed, use an arbor press to push Trigger Pin (4) from the Handle and slide Trigger out of slot in Handle.
Assembly
General Instructions
1. Always press on the inner ring of a ball-type bearing when installing the bearing on a shaft.
2. Always press on the outer ring of a ball-type bearing when installing the bearing into a bearing recess.
3. Whenever grasping a tool or part in a vise, always use leathercovered or copper-covered vise jaws. Take extra care with threaded members
and housings.
4. Always clean every part and wipe every part with a thin film of oil before installation.
5. Apply a film of O-ring lubricant to all O-rings before final assembly.
Assembly of the Handle
1. Position Trigger (3) in Handle (1) and using an arbor press, push Trigger Pin (4) full length into Handle so that it captures Trigger.
2. Clamp Handle in leather-covered or copper-covered vise jaws with air inlet opening upward.
3. Coat Throttle Valve Plunger (5) with oil and insert it, rounded end leading, into the inlet hole in Handle.
4. Install a new Throttle Valve Seal (7) on Throttle Valve (6) and insert assembly, Valve Seal leading, into inlet hole in Handle.
5. Encircle cone end of Air Strainer Screen (9) with large end of Throttle Valve Spring (8) and insert both parts, Spring leading, into the inlet
hole in Handle.
6. Install Straight Inlet (10) over Strainer Screen in Handle and tighten Inlet between 50 and 60 ft-lb (68 and 81 Nm) torque.
7. Remove Handle from vise and test Trigger. If Trigger functions properly, place assembled Handle aside. If it does not function properly,
disassemble Handle to determine cause of problem.
TL-2955-MIM_ed1
NOTICE
WARNING
EN
3
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