
17
Service and Repair Manual
Model 900/950/990
12
12
Dismantling
the crank
disc. (Model
950 shown)
323
312
326
1.
Remove the screw (321,
221, 421, 521
), spring
washer (322,
222, 422, 522
) and gear clamp plate
(323,
223, 423, 523
).
2.
Pull the gear (324) or bearing keeper (
224, 424,
524
) from the crank disc shaft. (
Model 950
only
)
Using pliers remove the gear key (326) from the
gear.
3.
Remove the crank disc (311,
211, 411, 511
), the
two thrust races (313,
213, 413, 513
), thrust
bearing (314,
214, 414, 514
) and shim (s) (315,
215, 415, 515
) from the gear carrier. Remove the
thrust races, bearing and shims from the crank
disc shaft.
4.
Remove the crank pin nut (312,
212, 412, 512
),
screw (306,
206, 406, 506
) and crank pin bush
(310,
210, 410, 510
)
Note:
The crank pin screw and nut have left-
hand threads.
522
422
222
411
511
211
516
415
215
412
512
212
413
513
213
414
514
214
(Model 900 &
990 shown)
321
322
315
336
313
521
421
221
525
425
225
524
424
224
523
423
223
510
410
210
310
306
311
517
417
217
516
416
216
324
1
1
1
1
506
406
206
342
340
317
316
325
Dismantling
the gear
carrier. (All
models,
Model 950
shown)
1.
Fill the drive shaft bearing (342) with thick grease
or similar material and using a suitable mandril
press out the bearing. (Model 950 only)
2.
Press out the crank disc front bearing (316),
bearing spacer (317) and crank disc rear bearing
(325) and (Model 950 only) the clutch head
bearing (342).
341
327
328
329
331
332
330
333
1.
Position the clutch assembly horizontally in a
vice. Straighten the clutch lock washer (328)
using soft metal jaw plates.
2.
Using a spanner unscrew the clutch nut (327)
3.
Remove the clutch lock washer (328), the clutch
spring (329), the two clutch plates (330) and the
gear (331). Press out the bearing (332) from the
gear (331)
4.
Insert a 3/16 in. Allen key into the clutch pinion
shaft (341) and remove from the clutch hub (333).
Dismantling
the clutch
(Model 950
only)
Fig. 13
Fig. 14
Fig. 15
Содержание 900
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