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If the Motor Assembly cannot be removed from the
Housing by pushing, tap the Power Management
Dial lightly until the Motor Assembly is free.
2. Remove the Power Management Dial from the rear of
the Cylinder (1). Remove the Power Management
Dial Seal (5A) if it needs to be replaced.
3. Remove the Front End Plate (2) from the Cylinder by
tapping the splined end of the Rotor (5) with a plastic
hammer. If the Front End Plate does not come loose,
secure a center punch in a vise with the point angled
downward and outward from the vise. Grasp the
Cylinder and Front End Plate in one hand and position
the hole in the end of the Rotor against the punch.
Be careful not to drop the Cylinder since it can be
damaged by hitting a hard surface.
Using the other hand, tap the punch with a hammer
while pressing the Rotor against the punch. After a
few taps, the Front End Plate will slide off of the
Cylinder.
To prevent damage to the Cylinder, do not tap or
strike Cylinder on a hard or metallic surface when
removing the Rotor Bearings (3).
To remove the Front Rotor Bearing, hold the Front
End Plate with Front Rotor Bearing down and tap the
Front End Plate on a flat, nonmetallic surface such as
a work bench. This will loosen the Front Rotor
Bearing so that it will drop out of the Front End Plate.
Refer to Figure 2.
FRONT ROTOR BEARING
BENCH WITH NONMETALLIC SURFACE
Figure 2
4. Remove the Rear Rotor Bearing Retainer(6) from the
rear of the Rotor (5). The Rotor can now be removed
from the Cylinder. Remove the Vanes (4) from the
Rotor if they need to be replaced.
MAINTENANCE SECTION
FRONT END PLATE
(Dwg. TPD1323)
BENCH WITH NONMETALLIC SURFACE
5. To remove the Rear Rotor Bearing, hold the Cylinder
with the Rear Rotor Bearing down and tap the
Cylinder on a flat, nonmetallic surface such as a work
bench. This will loosen the Rear Rotor Bearing so that
it will drop out of the Cylinder. Refer to Figure 3.
6. Working from the rear of the Housing, push out the
Motor Gasket (7).
When removing the Motor Gasket, do not use a
screwdriver or any other sharp object which could
damage the Gasket and/or Housing.
Disassembly of the Throttle Mechanism
For ease of disassembly, we recommend using the Inlet
Clip Removal Tool (37). See Dwg. TPD1681.
1. Secure the Inlet Bushing in a vise. Press in both tabs
of the Inlet Retainer Clip (27) and pull upward on the
Housing (19). This will allow the Inlet Bushing to
come free from the Handle of the Housing.
Refer to Figure 4.
2. Pull the Trigger (28) from the front of the Housing
and remove the Trigger O- - ring (2A).
21
CYLINDER
REAR ROTOR BEARING
Figure 3
(Dwg. TPD1324)
(Dwg. TPD1681)
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