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Disassembly of the Motor
1. Grasp the Motor Housing (1) in vise jaws with the
shaft of the Rotor (30) upward.
2.
Insert the pins of the end plate spacer spanner into the
holes in the Front End Plate Spacer (35). Using a
wrench, unscrew and remove the Spacer. This is a
left–hand thread; rotate the wrench clockwise to
remove the Spacer. (Refer to Dwg. TPD1269)
END PLATE
SPACER SPANNER
3. Reposition the Motor Housing in the vise jaws so that
the vise jaws grip the end of the rotor shaft and the
handle grip of the Housing is downward. Tap the
edges of the Housing surrounding the motor bore
with a plastic hammer to separate the Housing from
the motor. (Refer to Dwg. TPD1270)
4. Remove the motor from the vise jaws and remove the
Front End Plate (32), Front End Plate Bearing (34),
Cylinder Assembly (27) and Vanes (31) from the
Rotor.
5. On the table of an arbor press, support the Rear End
Plate (25) with blocks as close to the Rotor as pos-
sible and press the Rotor out of the Rear End Plate
and Rear Rotor Bearing (26).
6. To remove the Rear Rotor Bearing from the Rear End
Plate, use a small drift or pin punch through the cen-
tral opening of the Rear End Plate to tap the Bearing
out of the End Plate. (Refer to Dwg. TPD1271)
MAINTENANCE SECTION
CLOCKWISE
TO LOOSEN
(Dwg. TPD1269)
(Dwg. TPD1270)
Do not enlarge or damage the shaft hole in the
End Plate.
7.
Press the Reverse Lever Pin (4) out of the Reverse
Lever (3) and remove the Reverse Lever Detent Ball
(5), Reverse Lever Detent Spring (6), Reverse Valve
Assembly (17) and the Reverse Valve Spring (19).
8. Using a pin punch, tap the Throttle Retaining Pin (16)
and the Deflector Retaining Pin (22) out of the Han-
dle. The Throttle Retaining Pin is protected by an
embossed circular pad of metal. Insert the pin punch
into the middle of the pad to locate the Pin. (Refer to
Dwg. TPD1272)
9. Grasp the Trigger (14) and pull the assembled throttle
out of the Motor Housing.
10. Using a pin punch and without damaging the Trigger
(14), remove the Trigger Pin (15).
11. Slide the Throttle Bushing Assembly (7) off the shaft
of the Throttle Rod Assembly (12).
12. Using a thin blade screwdriver, remove the Valve
Retaining Ring (11) and slide the Throttle Valve As-
sembly (9) off the shaft of the Throttle Valve Rod.
13. Grasp the Exhaust Deflector Assembly (21) and pull
it out of the Housing.
14. Unscrew and remove the Inlet Bushing (20).
23
(Dwg. TPD1271)
(Dwg. TPD1272)
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