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11. Remove capscrews and lockwashers that secure reduction adapter plate
(85) to reverse gear housing (3).
a.
Remove reduction adapter plate with attached bearing (88) and reduc-
tion drive gear (87).
b.
Press bearing with drive gear from adapter plate.
c.
Press bearing from drive gear.
DIRECT DRIVE UNIT (perform procedl..res 1 through 6 above)
12. Bend tang of lockwasher (19) away from locknut (18-1) and remove nut
from reverse gear tailshaft (2-1). by holding gear half coupling (14) with
spanner wrench.
Remove lockwasher.
13. Support reverse gear housing (3) face down so that gear case may drop
free approximately 2 inches.
S.IS
14. Press on reverse gear tailshaft (2-1) until tailshaft is free of gear half
coupling (14).
Lift reverse gear housing (3) straight up from gear case
assembly (41) until housing clears tailshaft (2-1).
15. Remove capscrews and lockwashers that secure direct drive plate (15) to
reverse gear housing (3).
a.
Remove direct drive plate (15) with attached bearing (25) and gear
half coupling (14) from reverse gear housing (3).
b.
Press gear half coupling from bearing.
c.
Press bearing from drive plate.
d.
If
necessary to replace. remove oil seal (21) from direct drive plate.
DISASSEMBL Y OF GEAR CASE
1.
Remove thrust washer (16-2) and retainer ring (6) from end of reverse
gear tailshaft on reduction units. and Woodruff key (27). seal washer (6)
and thrust washer (16-1) from end of tailshaft on direct drive units.
2.
Remove locks crew (55) and lockwasher" from screw collar (53) and remove
screw collar from gear case by unscrewing.
Lift operating sleeve
assembly (50) from tailshaft when removing screw collar.
3.
Lift pressure plate (49) and clutch plates (48) and (54) from end of gear
case.
4.
Properly support gear case on clutch plate carrier and press tailshaft
(2-1) or (2-2) from propeller gear (43) and clutch plate carrier.
Lift
clutch plate carrier from gear case.
5.
Remove case ball bearing retaining ring (59) from groove in gear case.
6.
Remove capscrews (14) <;l.nd lockwashers (13) and case bushing (23) from
gear case.
7.
Before removal of the short or
lon~
pinions is attempted. first inspect the
gear teeth for indication of wear.
Also. rotate each pinion to check for
rough spots during rotation.
If
further inspection or replacement is
necessary. proceed with the disassembly.
However. do not disassemble
unless required.
8.
Drive pinion shaft (20) of one of the short pinions (22) from threaded end
of gear case approximately 1/2 inch.
Push pinion shaft on through with a
dummy shaft.
9.
Push dummy shaft until centerec in short pinion (46) and short pinion
spacer (56).
Remove pinion shaft (42) from front end of gear case.
10. Remove remaining short pinions (46) from gear case.
11. Press propeller gear (43) from the case ball bearing (58).
12. Remove long pinions (44) using dummy shaft as in removing short pinions.
NOTE:
Bushings are pressed into the long and short pinions.
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