Toro 09172SL Models 30857 30858 Groundsmaster 4500 D 4700 D Service Manual

NOTE:  Theplanetarywheeldriveassemblycanbeser-
viced  with the  planetary  installed to  machine. If  the
spindle(item1)needstoberemovedfrommachine,see
Planetary Wheel Drive Assembly in this section.
Disassembly (Figs. 7 and 8)
1.
If planetary wheel drive assembly is installed on ma-
chine:
A.  Park machine on a  level surface, lower  cutting
decks, stop engine and remove key from the ignition
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.
3.
thrust washer (item 22) usually remain in end cap bore
and should be removed for cleaning and inspection.
Remove retaining ring (item 17).
Figure 8
Assembly (Figs. 7 and 8)
Thoroughlycleanpartsinsolventanddrycompletely
after cleaning. Inspect  parts for damage or excessive
wear and replace as necessary.
Remove endcap(item20).Thrustplug(item21)and
1.
4.
Remove drive shaft assembly (items 23, 24 and 25)
If necessary,  remove retaining ring  and primary gear
from shaft.
2.
install  new studs  into  housing. Make  sure that  stud
shoulder is fully pressed against housing surface.
If any  wheel studs were  removed, use a  press to
5.
Remove primary carrier  (item 26), secondary gear
(item 27) and secondary carrier (item 28).
NOTE:  Use new seal and shim kits when assembling
NOTE:  Steps 6 through  10 are  necessary only  if in-
planetary wheel drive.
specting or replacing bearings and/or seals.
3.
If spindle and housing were separated:
IMPORTANT: Do not reuse  retaining ring (item 10)
after it has been removed.
A.  Press bearing cups (items 5 and 11) into housing
(item 9). Cups should be pressed fully to shoulder of
the housing bore.
6.
Remove retaining ring (item 15) and  thrust washer
(item 14). Discard retaining ring.
B.  Set inner bearing cone (item 4) into inner bearing
cup.
7.
Carefully remove housing (item 9) from spindle (item
Remove outer bearing cone (item 12).
1).
C. Make sure that seal bore in housing is thoroughly
cleaned. If OD of seal (item 3) is not rubber or does
not have a sealant coating, apply light coating of sili-
cone sealant to seal bore in housing. Install seal into
housing  so  it is  flush  with  housing  face.  Lightly
grease seal lips.
8.
rings (item 13) from housing.
Remove and discard seals (items 2 and 3) and O--
9.
necessary, remove bearing cups (items 5 and 11) from
housing.
Remove inner bearing cone (item 4) from housing. If
D. Pack boot seal (item 2) with grease and install on
housing.
10.If
press to extract stud(s) from housing.
wheel stud  (item  6) removal  is necessary,  use
E.  If ring  gear was  removed from  housing, place
dowel pins (item 10) in housing. Secure ring gear to
housing with lock washers (item 8) and socket head
screws (item  7). Torque socket  head screws from
118 to 144 in--lb (13.3 to 16.3 N--m).
11.
If necessary, remove  socket head screws (item  7)
withlockwashers(item8)thatsecureringgear(item16)
to housing. Remove ring  gear and two (2) dowel pins
(item 10) from housing.
Groundsmaster 4500--D/4700--D
Page 6 -- 11
Axles, Planetaries and Brakes
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 298 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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Publishertoro.com
Wikipedia's PageToro Company
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