Westerbeke WPDS-20 Technical Manual page 83

S .18
CAUTION: The forward clutch is not properly adjusted at the end of this assembly.
Proper adjustment is made after installation in boat is complete. Follow instruc-
tions as outlined under section on adjustments.
ASSEMBL Y OF REVERSE GEAR CASE IN REVERSE GEAR HOUSING
REDUC TION MODEL
1.
Place new gaskets (8). (7). and (4) on front. rear. and top of reverse
gear housing (3).
2. If removed for replacement. install new oil seals (20) in cross shaft holes
in housing.
3. Support gear case assembly (41) on propeller gear (43) inside front end of
gear case so that reverse gear housing (3) will not rest on face when
lowered over gear case assembly.
4. Lower reverse gear housing
(3.)
over gear case assembly with reverse
gear tailshaft (2- 2) protruding
thll~:>ugh
bore in rear of housing.
5. Place thrust washer
(16-2)
with counter-bored side down over reverse
gear tailshaft (2- 2). (Make certain that thrust washer seats properly on
shoulder of retaining ring (6) on tailshaft (2-2. )
6. Press reduction drive gear (87) into ball bearing (88).
7. Plc:.ce new gasket (8) on reverse gear housing (3) and press reduction
drive gear (87) and ball bearing
(88)
on reverse gear tailshaft (2-2) until
ball bearing is seated against thrust washer
(16 -
2). Thread on reverse
gear tailshaft nut (18-2).
8. Press reduction gear adapter plate (85) over ball bearing and secure with
necessary bolts.
9. Install reduction gear crescent (74).
10. Tighten all capscrews. Tighten reverse gear tailshaft nut
08-2)
until
cotter pin can be installed through castellation in nut and hole in reverse
gear tailshaft.
11. Install cotter pin and bedn ends over nut.
12. Place new gasket (72) on reduction adapter plate (85).
13. Install brake band assembly (62) onto gear case assembly (41) in reverse
gear housing.
14. With reduction adapter plate (85) facing mechanic. insert yoke (34) through
cover opening in housing placing forked arms of yoke over pins of oper-
ating sleeve assembly (50). Ensure part number of yoke is facing
mechanic.
15. Align and hold hole in brace (67) on inside right hole in yoke and push
cross shaft through yoke and brace to left side of housing.
16. Pull cross shaft out from right side of housing approximately one inch and
insert Woodruff key in cross shaft to the right of each yoke hole to posi-
tion yoke to cross shaft.
17. Secure yoke to cross shaft by tightening the two cap screws in yoke.
18. Slide reverse cam (65) through reverse cam slide assembly (63) and in
hole in arm of yoke (34).
19. Position pin in brake band (62) in hole in brace (67).
20. Replace and tighten adjustment nut (66) to reverse cam slide assembly
(63) .
21. Secure lock spring (68) over adjustment nut (66) with screw. lockwasher
and nut (70).
DIRECT DRIVE UNIT
22.
After paragraph 4 above place thrust washer
(16-1)
over reverse gear
tailshaft. Place seal washer (6) over reverse gear tails haft against thrust