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26
MAINTENANCE SECTION
8. For 7L3D6 Angle Head, use a thin blade screwdriver
to pry out and under the tab of the Bearing Spacer
Retainer (111). Rotate the screwdriver around the
pinion shaft to spiral the Retainer out of its groove.
Using a hooked tool, reach into the Bevel Pinion
Bearing Spacer (115) and hook the drilled cross–hole
in the Spacer. Pull the Spacer from the Angle
Housing.
For 6L2D6 Angle Head, use snap ring pliers to
remove the Bearing Spacer Retainer (111). Remove
the Pinion Bearing Spacer (110).
Do not remove the Bevel Pinion (105) and Bevel
Pinion Bearing (106) unless you have a new
Bearing on hand. After the Angle Attachment is
disassembled, check all parts for damage or wear.
If the gear teeth on either the Bevel Pinion or
Bevel Gear are worn or chipped, replace both
parts. These are a matched set and must be
replaced with another matched set.
9. Grasp the spline of the pinion shaft in leather–covered
or copper–covered vise jaws and while gently tapping
the rear face of the Angle Attachment with a soft
hammer, pull the Bevel Pinion and Bevel Pinion
Bearing from the Angle Attachment.
Disassembly of the Gearing
1. Being careful not to distort the Motor Housing (1),
grasp the flats on the Housing in leather–covered or
copper–covered vise jaws with the Gear Case (56)
facing upward.
2. Using a wrench on the flats of the Gear Case, loosen,
but do not remove the Gear Case.
Be certain to hold the tool over a workbench so
that you will not lose any parts as the Gear Case
and the Motor Housing are separated.
3. Remove the tool from the vise and, while holding the
tool horizontally, carefully unscrew the Gear Case by
hand and pull it away from the Motor Housing.
4. Using snap ring pliers, remove the Gear Retainer (48).
5. For M, N or P ratio, the Rotor Pinion (49) may come
out with the Gear Case, or it may have remained with
the Rotor (37) when the Gear Case was removed.
Remove the Rotor Pinion.
6. For M, N, P, Q or R ratio, remove the Gear Head
Planet Gear Assembly (51), Gear Head (50) and Gear
Head Spacer (55).
7. Remove the Spindle Planet Gear Assembly (46).
8. Position the Gear Case vertically in an arbor press
with the motor end down. Using a 7/16” (11 mm)
diameter brass rod against the outer rim of the Spindle
(43), press the Spindle from the Gear Case.
9. Using snap ring pliers, remove the Spindle Bearing
Retainer (62).
10. Tap the externally threaded end of the Gear Case on a
workbench to remove the Spindle Bearing (61) and
Grease Shield (59).
11. Remove the Seal Support (44) from the Spindle.
12. If the Grease Shield Retainer (60) must be removed,
insert a thin blade screwdriver under the tab, and
using a rotary motion, spiral the Retainer out of the
groove in the Gear Case.
13. For 6WT or 6WRT, spread the ends of the Deflector
Retaining Ring (66) and remove it from the Gear
Case.
14. For 6WT or 6WRT, slide the Exhaust Deflector (64)
off the Gear Case and remove the Muffler Element
(63) and two Exhaust Deflector Seals (65).
Disassembly of the Motor and Throttle
1. Using a pin punch and hammer, drive the Throttle
Lever Pin (5) out of the Rear Muffler (14) to release
the Throttle Lever (4).
2. Grasp the splined end of the Rotor (37) in
leather–covered or copper–covered vise jaws and pull
the assembled motor from the Motor Housing (1).
3. Remove the Rear End Plate Gasket (33) from the
Motor Housing.
4. Using a wrench, unscrew and remove the Rear Rotor
Bearing Retaining Nut (34).
5. Remove the Rotor from the vise and remove the
Bearing Thrust Washer (34A), Rear End Plate (36),
Cylinder (39) and Vanes (38).
6. Check the Front Rotor Bearing (42) for damage or
roughness. If replacement is necessary, support the
Front End Plate (40) between two blocks of wood on
the table of an arbor press. Press the Rotor from the
Front Rotor Bearing. Using a flat face punch on the
inner ring, tap the Bearing out of the End Plate.
7. Check the Rear Rotor Bearing (35) for damage or
roughness. If replacement is necessary, use a flat face
punch on the inner ring and tap the Bearing out of the
End Plate.
8. Being careful not to distort the Housing, grasp the
flats on the Motor Housing in leather–covered or
copper–covered vise jaws with the inlet upward.
9. Using a wrench on the flats, unscrew and remove the
Inlet Bushing (17).
10. Remove the Throttle Valve Spring (11) and the Air
Strainer Screen (18).
Содержание 6WRSL3
Страница 17: ...17 Dwg TPA1117 2 POWER UNITS NOTE PRESS THIS PIN INTO AND OUT OF THIS SIDE OF THIS SIDE OF THE HOUSING ...
Страница 20: ...20 GEAR UNITS Dwg TPA1118 1 ...
Страница 35: ...35 NOTES ...