6.
Setthebearingpreloadbysecuringthebearingcase
in a vise. Thread a M12 x 1.5 hex head cap screw into
the splined end of the input shaft/pinion gear and slowly
tighten the locknut until 4 to 6 in-lb (0.4 to 0.7 N--m) of
force is required to rotate the input shaft/pinion gear in
the bearing case.
0.04
in. (1.0 mm)
7.
8.
Secure the lock nut with the stake washer.
1
2
Use a depth gauge to measure the distance from the
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. 28).
3
DESIGN CONE CENTER DISTANCE
(distance from mating surface of axle support to end
face of pinion gear):
Figure 27
3.
1.
2.
Oil seal
Bearing case
Seal garter spring
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.
9.
Coat new O-rings with grease and install the bearing
Design
Cone Center
Distance
caseinthegear case.Placeshims onthegear caseand
temporarily install gear case assembly into axle case.
Tightenmounting nutsandscrews from35to41 ft-lb(47
to 56 N--m).
1
10.Insert
a screwdriver through the drain plug hole to
hold ring gear and measure the pinion gear to ring gear
backlash (Fig. 29).
2
PINION GEAR TO RING GEAR BACKLASH:
0.004
to 0.016 in. (0.10 to 0.40 mm)
Figure 28
11.
shim thickness.
Adjust backlash by increasing or reducing gear case
1.
Input shaft/pinion gear
2.
Bearing case
12.Check
piniongeartoringgearengagement(seePin-
ion Gearto RingGear Engagement in thissection ofthis
manual).
1
13.Place
the correct combination of shims on the gear
case. Tighten mounting nuts and screws from 35 to 41
ft-lb (47 to 56 N--m).
3
2
14.Install
retaining rings and driven gear on input shaft/
pinion gear.
15.If
the drive gear (on drive motor shaft) was removed,
4
install the retaining rings and drive gear on the motor
shaft.
16.Use
new O-ring and install the drive motor.
a new gasket and install the cover plate. Use a
Figure 29
3.
4.
1.
2.
Axle case
Screwdriver
Dial indicator
Input shaft/pinion gear
Groundsmaster 4500--D/4700--D
Page 6 -- 21
Axles, Planetaries, and Brakes (Rev. B)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4500 D, Toro Groundsmaster 4700 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. 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)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)