IMPORTANT: DO NOT hit wheel hub, wheel hub
puller or wheel motor with a hammer during wheel
hub removal or installation. Hammering may cause
damage to the wheel motor.
E. Positionbothbrakeshoesonthebackingplateso
that the concave heels attach to the anchor pin.
F. Insert both return springs into the holes of both
brake shoes. Make sure shoes fit snuggly against
the anchor pin and cam.
5.
Using hub puller (see Special Tools), loosen wheel
hub from wheel motor.
3.
If the brake lever, backing plate, retaining clip, return
6.
shaft. Locate and retrieve woodruff key.
Remove lock nut, hub, and brake drum from motor
springs, brake shoes, and cam shaft were removed as
a complete brake assembly, secure backing plate to the
brake bracket with four cap screws and lock washers.
Tighten fasteners.
7.
rate adjustment rod from the brake lever.
Remove cotter pin from the adjustment rod. Sepa-
4.
justment rod with cotter pin.
Attach adjustment rod to the brake lever. Secure ad-
NOTE: The brake lever, backing plate, retaining clip,
return springs, brake shoes, and cam shaft can be re-
moved as a complete brake assembly.
5. Thoroughly clean wheel motor shaft and wheel hub
taper.
8.
If itis desired to remove the brake assembly from the
brakebracket,removefourcapscrewsandlocknutsse-
curing the assembly to the bracket.
6. Install woodruff key to the slot on the hydraulic motor
shaft. Slide wheel hub and brake drum assembly onto
the shaft.
9.
Disassemble brake assembly as follows (Fig. 12):
7.
motor shaft with lock nut.
Secure wheel hub and brake drum to the hydraulic
A. Removereturnspringsfromthebrakeshoes.Re-
move brake shoes from the backing plate.
NOTE: For proper brake operation, the brake shoes
and backing plate must be concentrically aligned with
the brake drum.
B. Matchmark brake cam and brake lever to assure
proper alignment during reassembly. Remove re-
taining clip from the brake cam. Pull brake lever from
the cam. Remove cam from backing plate.
8. To align brake shoes and drum, apply parking brake.
Then tighten four socket head screws and lock nuts that
secure the brake bracket and wheel motor to the frame.
10.The
brake bracket and wheel shield can be removed
as follows:
9.
wheel with lug nuts on drive studs.
Place wheel onto drive studs and wheel hub. Secure
A. Remove lock nuts, spacers, and cap screws se-
curingthebrakebracket,wheelshield, andhydraulic
motor to the frame.
10.Lower wheeltoground.Torquelugnutsfrom45to65
ft--lb(61to88N--m)inacriss--crosspattern. Torquelock
nut from 250 to 350 ft--lb (339 to 474 kg--m).
B. Separate bracket and shield from the frame.
Installation (Fig. 11)
11.
Check and adjust brakes (see Adjust Brakes).
1.
motor, spacers, wheel shield, and brake bracket. Se-
cure with lock nuts, but do not fully tighten.
Insert four cap screws through the frame, hydraulic
6
2
2.
Assemble brake assembly as follows (Fig. 12):
5
A. Secure backing plate to the brake bracket with
four cap screws and lock washers.
1
B. Apply antiseize lubricant to cam shaft splines. In-
sert cam shaft through the backing plate.
C. Attach brake lever to the cam shaft. Make sure
matchmarks are aligned properly. Secure lever to
shaft with retaining clip.
3
7
4
Figure 12
5.
6.
7.
1.
2.
3.
4.
Return spring
Brake shoe (toe end)
Brake shoe (heel end)
Backing plate
Retaining clip
Cam shaft
Anchor pin
D. Lubricate brake shoe pivot points with a light
coating of grease.
Groundsmaster 3500--D
Page 6 -- 11 Rev. D
Wheels, Brakes,and Chassis
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 3500 D |
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| Document Type | Catalog |
| Language | English |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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