Final Drive - Kubota L185 Shop Manual

Paragraphs 100-103
KUBOTA
of cam (21 -Fig. 127), then withdraw ac-
tuator pedal (17) and lift out cam, shift
fork and spring. Drive oil seal (14) out
right side of housing. Differential unit
must be removed to remove differential
lock shifter (1).
To reinstall differential lock actuating
mechanism, reverse the removal pro-
cedure.
FINAL DRIVE
All Models
100. REMOVE AND REINSTALL.
To remove final drive assemblies, first
drain oil from transmission housing and
final drive housings. Support rear of
tractor with a suitable stand and wedge
front axle to prevent tipping. Remove
rear wheel and fenders. On all tractors
except Model L185, remove differential
lock pedal and mounting bracket. On
Model L185, remove brake assemblies
as outlined in paragraph 107. On all
models, support axle housing with a
suitable hoist. Remove axle housing
mounting cap screws and stud nuts,
then separate final drive from transmis-
sion housing.
To reinstall final drive assembly,
reverse the removal procedure. Be sure
to tighten cap screws or stud nuts (1 and
2-Fig. 134) first, then tighten remain-
ing cap screws and nuts in diagonal
order to a torque of 75-90 N-m (55-65
ft.;lbs.) on all tractors except Model
L355 which should be 105-115 N-m
(75-85 ft.-lbs.).
Models L185-L245
101. OVERHAUL. To disassemble
final drive, first remove axle case moun-
ting bolts and separate axle case
(3-Fig. 135) from cover (11). Secure ax-
le (15) in a vise, then remove nut (4) and
bearing (5). Remove bull gear (8) and dif-
ferential gear shaft (2) as an assembly
from cover. Tap axle shaft out of cover
Fig. 135—Exploded view of
final drive assembiy used on
Model L245. Final drive used
on Modei L185 is simiiar ex-
cept a singie axle outer bear-
ing (13) Is used.
1. Bearings
2. Differential gear shaft
3. Axle case
4. Nut
5. Bearing
6. Shim
7. Spacer
8. Bull gear
9. Spacer
10. Shim
11. Cover
12. Snap ring
13. Bearings
14. Oil seal
15. Axle shaft
Fig. 134—When reinstatUng final drive, tighten
cap screws or stud nuts (1 and 2) first.
and remove bearings (13) and oil seal
(14).
Inspect all parts for excessive wear or
other damage. Backlash between dif-
ferential gear shaft (2) and bull gear (8)
should not exceed 0.5 mm (0.020 inch).
When reassembling final drive, install
oil seal (14) with lip facing inward. Be
sure to reinstall gear shaft (2) and bull
gear (8) together. Make certain spacers
(7 and 9) are against bull gear and shims
(6 and 10) are against bearings. Tighten
axle nut (4) to a torque of 150-195 N-m
(110-145 ft.-lbs.). Tighten axle cover
alignment bolts (A-Fig. 136) first, then
tighten cover mounting cap screws
evenly to a torque of 48-56 N-m (36-41
ft-lbs.).
Model L285
102. OVERHAUL. To disassemble
final drive assembly, secure axle shaft
(10-Fig. 137) and remove nut (1).
Remove bearing (2) and bull gear (3).
Remove cap screws securing seal re-
tainer (9), then tap axle shaft out of axle
housing.
Inspect all parts for wear or other
damage and renew as necessary.
To reassemble final drive, reverse the
disassembly procedure. Be sure to
lubricate lip of oil seal (7) before
reinstalling axle shaft. Tighten nut (1) to
a torque of 195-245 N-m (145-180
ft.-lbs.).
Models L235-L275
103. OVERHAUL. To disassemble
final drive, first separate axle case
(1 -Fig. 138) from cover (7). Secure axle
shaft (11) in a vise and remove nut (3).
Remove bull gear (4) and differential
gear shaft (13) as a unit. Tap axle shaft
out of housing being careful not to
damage shaft. Remove bearings (9) and
oil seal (10).
Inspect all parts for wear or other
damage and renew as necessary. Max-
imum allowable backlash between drive
gear (13) and bull gear (4) is 0.5 mm
(0.020 inch).
When reassembling final drive, be
sure to install oil seal (10) with lip facing
Fig. 136^When reassembling cover to axle
case, tighten alignment bolts (A) first, then
tighten remainder of mounting cap screws.
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