6.
brakecabletobrakeactuatorlever.Positionbrakecable
end away from lever.
Remove return spring and clevis pin that secure
6. Mount square key in the wheel motor shaft, then
install the wheel hub onto the wheel motor shaft.
IMPORTANT: Do not reuse lock nut that secures
wheelhubtowheelmotorafterithasbeenremoved.
7.
Remove brake drum.
IMPORTANT: DO NOT hit wheel hub, puller or wheel
motor with a hammer during wheel hub removal or
installation. Hammering may cause damage to the
wheel motor.
7. Install new lock nut (item 17) onto the wheel motor
shaft to secure wheel hub to motor shaft.
8.
9.
Install brake drum.
Position brake cable end to brake actuator lever. Se-
cure cable to actuator lever with clevis pin and return
spring.
8.
Make sure that lock nut on wheel motor shaft is loos-
ened at least two (2) turns. Use hub puller (see Special
Tools) to loosen wheel hub from wheel motor.
10.Install
in this section).
front wheel assembly (see Wheel Installation
9.
Discard lock nut. Locate and retrieve square key.
Remove lock nut and wheel hub from motor shaft.
11.
Check and adjust brakes.
NOTE: If desired, the complete brake assembly can be
removed from the machine for disassembly (see step
12).
12.Lower
machine to ground.
13.Torque
to 90 ft--lb (95 to 122 N--m). Torque lock nut (item 17)
that secures wheel hub from 315 to 385 ft--lb (427 to
lug nuts evenly in a crossing pattern from 70
10.Remove
shoes.
upper and lower shoe springs from brake
521
N--m).
11.
Remove shoe hold down cups and hold down
springs. Remove brake shoes and hold down pins from
backing plate.
CAUTION
12.If
necessary, remove brake backing plate from ma-
chine by loosening and removing four (4) cap screws
(item 26) and lock nuts (item 27).
After servicing the brakes, always check the
brakes in a wide open, level area that is free of
other persons and obstructions.
Installation (Fig. 6)
1.
Remove rust and debris from all brake parts with a
wire brush prior to installation. Clean all parts. Inspect
brake shoe contact surfaces of the brake drum for ex-
cessive wear. Replace any worn or damaged parts.
14
13
12
2.
secure backing plate to brake bracket with four (4) cap
screws (item 26) and lock nuts (item 27).
If brake backing plate was removed from machine,
11
10
5
3.
purpose grease.
Lightly lubricate brake shoe pivot points with general
14
9
2
3
4.
brake hold down pin and secure with hold down spring
and cup. Repeat for second brake shoe.
Position one brake shoe to the backing plate. Install
1
4
5
5.
Make sure that brake shoes are properly positioned to
pivot and actuator points.
Install upper and lower shoe springs to brake shoes.
6
7
8
Figure 7
IMPORTANT: Before wheel hub is installed, thor-
oughly clean tapers of wheel hub and wheel motor
shaft. Make sure that tapers are free of grease, oil
and dirt. Do not use antiseize lubricant when instal-
ling wheel hub.
1.
2.
3.
4.
5.
6.
7.
Backing plate
Rivet (4 used)
Clevis pin
Retaining ring
Brake shoe
Lower shoe spring
Hold down spring
8.
9.
Hold down cup
Upper shoe spring
10. Brake actuator
11. Actuator lever
12. Back--up plate
13. Boot
14. Hold down pin
Groundsmaster 4300--D
Page 6 -- 9
Chassis
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 D |
| Download File |
|
| Document Type | Catalog |
| 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 |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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