User manual

Groundsmaster 4000--D/4010--D Page 6 -- 13 Axles, Planetaries a nd Brakes
NOTE: Theplanetarywheeldriveassemblycanbeser-
viced with the planetary installed to machine. If the
spindle(item1)needstoberemovedfrommachine,see
Planetary Wheel Drive Assembly Removal in this sec-
tion.
Disassembly (Figs. 9 and 10)
1. Ifplanetarywheeldrive assemblyisinstalled on ma-
chine:
A. Park machine on a level surface, lower cutting
decks,stop engineand remove keyfromtheignition
switch.
B. Drain oil from planetary wheel drive/brake as-
sembly.
C. Chock rear wheels and jack up front of machine
(see Jacking Instructions in Chapter 1 -- Safety).
Support machine with jack stands.
D. Remove front wheel assembly.
2. Remove retaining ring (item 12).
3. Removeendcap(item14).Thrustplug(item15)and
thrust washer (item 16) usually remain in end cap bore
and should be removed for cleaning and inspection.
4. Remove drive s haft assembly (items 17).
5. Remove carrier assembly (item 18).
6. If wheel stud (item 5) removal is necessary, use
press to extract stud(s) from housing.
NOTE: Steps 6 through 10 are necessary only if in-
specting or replacing bearings and/or seals.
IMPORTANT: Do not reuse retaining ring (item 10)
after it has been removed.
7. Remove retaining r ing (item 10) and thrust washer
(item 9). Discard retaining ring.
8. Remove housing (item 6) from spindle (item 1). Re-
move outer bearing cone (item 8).
9. Remove and discard all seals and O--rings (items 2,
21 and 24).
10.If bearings will be replaced, remove inner bearing
cone (item 3) from housing. Remove bearing cups
(items 4 and 7) from housing.
11.If necessary, remove socket head screws (item 19)
with lock washers (item 20) that secure ring gear (item
11)tohousing.Removeringgearandtwo(2)dowelpins
(item 23) from housing.
Figure 10
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
21
22
23
24
10
21
Assembly (Figs. 9 and 10)
1. Thoroughlycleanpartsinsolventanddrycompletely
after cleaning. Inspect parts for damage or excessive
wear and replace as necessary.
NOTE: Use new seal and shim kits when assembling
planetary wheel drive.
2. If spindle and housing were separated:
A. Press bearing cups (items 4 and 7) into housing
(item6).Cupsshouldbepressedfullyto shoulderof
the housing bore.
B. Set inner bearing cone (item 3) into bearing cup
(item 4) that is installed in housing.
C. Makesurethatsealboreinhousingisthoroughly
cleaned.If OD of seal (item24)isnotrubberordoes
nothaveasealantcoating,apply lightcoating ofsili-
conesealantto seal bore inhousing.Install sealinto
housing so it is flush with housing face. Lightly
grease seal lips.
D. Packboot seal(item2) withgreaseand installon
housing.
E. If ring gear was removed from housing, place
dowel pins (item 23) in housing. Secure ring gear to
housingwithlockwashers(item20)andsockethead
screws(item19).Torquesocketheadscrewsto9ft--
lb (12 N--m).
Axles, Planetaries
and Brakes