7.
8.
end face of the input shaft/pinion gear to the mating sur-
face of the bearing case. Subtract the “Design Cone
Center Distance” from this distance to determine initial
shim thickness (Fig. 32).
Secure the lock nut with the stake washer.
Use a depth gauge to measure the distance from the
0.040 in. (1.0 mm)
2
1
DESIGN CONE CENTER DISTANCE
(distance from mating surface of axle support to end
face of pinion gear):
1.870
+ 0.002 in. (47.5 + 0.05 mm)
NOTE: Bearing case shims are available in 0.004 in.
(0.1
mm) and 0.008 in. (0.2 mm) thickness.
3
9.
Coat new O-rings with grease and install the bearing
Figure 31
caseinthegear case.Placeshims onthegear caseand
temporarily install gear case assembly into axle case.
Tighten mounting nuts and screws from 35 to 41 ft-lb
1.
2.
Oil seal
Bearing case
3.
Seal garter spring
(47
to 56 N--m).
10.Insert
hold ring gear and measure the pinion gear to ring gear
backlash (Fig. 33).
a screwdriver through the drain plug hole to
1
Design
Cone Center
Distance
PINION GEAR TO RING GEAR BACKLASH:
0.004
to 0.016 in. (0.10 to 0.40 mm)
11.
shim thickness.
Adjust backlash by increasing or reducing gear case
2
12.Check
piniongeartoringgearengagement(seePin-
ion Gearto RingGear Engagement in thissection ofthis
manual).
13.Place
case. Tighten mounting nuts and screws from 35 to 41
ft-lb (47 to 56 N--m).
the correct combination of shims on the gear
Figure 32
1.
Input shaft/pinion gear
2.
Bearing case
14.Install
retaining rings and driven gear on input shaft/
pinion gear.
1
15.If
the drive gear (on drive motor shaft) was removed,
install the retaining rings and drive gear on the motor
shaft.
16.Use
a new gasket and install the cover plate.
3
2
4
Figure 33
1.
2.
Axle case
Screwdriver
3.
4.
Dial indicator
Input shaft/pinion gear
Groundsmaster 4000--D
Page 6 -- 25
Axles, Planetaries and Brakes
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
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|
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| Language | English |
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