Westerbeke WPDS-20 Technical Manual page 70

Marine diesel engine/marine diesel generator
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Early models:
--1
1/4" thick _---../-1
4 1/8
11
long - -
~
4 1/2" long _ _
i
5/8"
th i ck -
--,._. -;--
Late models
DISASSEMBLY OF THE REVE RSE BAN D-TOG-
GLE OPERATED TYPE
1.
Remove screw
(55),
nut
(58)
ond loc k-
washer (57)
that secures brace (56) to
ear of reverse band (51) .
2.
Remove cotter pin (54) from earof reverse
band and remove pin (53) that holds short
lever (52) in forked ear of reverse band.
Remove short lever.
3.
Remove locknut (50) from adjusting screw
(44) and remove adjusting screwandassem-
bled levers from reverse band.
4.
Remove adjusting nut (50) from adjusting
screw.
5.
Remove cotter pins (47) from ends of pins
in assembled levers and disassemble link
(48), adjusting bolt (44) and pins (46) .
CAUTION:
Do not disassemble link (48) or
(61) or disturb setting of jam nut.
6.
If necessary to re-line reverse band, re-
move rivets holding reverse band lining to
reverse band.
S.5
DISASSEMBLY OF GEAR CASE
1 .
Remove. thrust washer (73) from end of
reverse gear tai Ishaft on reduction units
and Woodruff key
(74)
sea I washer
and thrust washer (64) from end of tatl-
shaft on direct drive units.
2.
Remove lockscrew (42) and lockwasher
(41) from screw collar (37) and remove
screw co liar from gear case by unscrewing.
Lift operating sleeveasse.r:nbly (40) from
tai Ishaft when removing screw <:ollar.
3.
If finger assembly (36) seems loose or
worn, remove from screw collar (37) by
removing cotter pins (39) and finger pins
(38) •
4.
Lift pressure plate (35) and clutch plates
(34) and (33) from end of gear case.
5.
Bend tang of lockwasher (30) away from
sidesoflocknut (31) insidepropellergear
(24) and remove locknut and lockwasher
while clamping reverse gear tailshaft.

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