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

9.
Remove the  bevel gear case/axle  case assembly
NOTE:  Axle bearing shims  are available  in 0.008 in.
(0.2 mm), 0.012  in. (0.3 mm)  and 0.020 in. (0.5  mm)
thickness.
from the axle support. Coat  a new O-ring with grease
andtemporarilyinstalltheaxlecoverassembly.Position
a dial  indicator at the tooths  center. Prevent the  axle
from turning and measure the lower bevel gear to axle
gear backlash (Fig. 22).
11.
Tighten axle cover screws from 17 to 20 ft-lb (23 to
N--m).
27
12.Coat
a new O-ring with grease and install the bevel
LOWER BEVEL GEAR BACKLASH:
gear  case/axle case  assembly  on the  axle  support.
Tighten mounting screws and nuts from 35 to  41 ft-lb
(47 to 56 N--m) (Fig. 13).
0.004
to 0.016 in. (0.10 to 0.40 mm)
10.Adjust
backlash by increasing or reducing axle bear-
ingshimthickness  (seeAxle Shafts in thissection ofthis
manual).
Differential Shafts
The following procedures assume the rear axle assem-
bly has been removed from the machine.
35
(47
to 41 ft--lb
to 56 N--m)
Removal
1
6
5
IMPORTANT: Do not interchange right  and left dif-
ferential shaft assemblies.
1.
ers. Remove the bevel gear case/axle case  assembly
and O-ring from the axle support (Fig. 23).
Remove the mounting screws, nuts and lock wash-
4
2
3
7
35
(47
to 41 ft--lb
to 56 N--m)
2.
axle support.
Markandpullthedifferentialshaftassemblyfromthe
Figure 23
5.
3.
4.
Remove the retaining ring and bevel gear (Fig 24).
Drive the differential shaft  out of the bearings. Re-
1.
2.
3.
4.
Cap screw (4 used)
Lock nut (2 used)
Bevel gear/axle case
assembly
O-ring
Stud (2 used)
Lock washer (2 used)
Axle support
6.
7.
move the bearings and bearing shims.
5.
damage and wear. Replace components as necessary.
Inspect  all gears,  shafts, bearings  and  cases for
Installation
1.
Press bearings onto differential shaft. Place correct
6
combination of bearing shims in axle support and drive
differential shaft and  bearing assembly into  axle sup-
port.
3
5
4
2
1
2.
3.
Install bevel gear and retaining ring.
Coat new O-ring with grease. Align differential shaft
splines with differential gear assembly and slide differ-
ential shaft assembly onto axle support.
4.
Bevel Gear Case/Axle Case Assembly in this section of
this manual).
Install  bevel gear  case/axle  case  assembly (see
Figure 24
1.
2.
3.
Retaining ring
Bevel gear
Differential shaft
4.
5.
6.
Bearing
Bearing shims
O-ring
Axles, Planetaries and Brakes
Page 6 -- 22
Groundsmaster 4500--D/4700--D
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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