IMPORTANT: Do not hit wheel hub or puller with a
hammer during removal or installation. Hammering
may cause damage to the hydraulic wheel motor.
E. Insert both return springs into the holes of both
brake shoes. Make sure shoes fit snuggly against
the anchor pin and cam shaft.
5.
drum from the hydraulic motor shaft (see Special Tools
in this chapter). Remove woodruff key from the shaft.
Usewheelhubpullertoremovewheelhubandbrake
3. If the complete brake assembly was removed, se-
cure brake assembly to the brake bracket with four cap
screws and lock nuts. Tighten fasteners.
6.
brake lever. Separate adjustment rod from brake lever.
Remove cotter pin that retains adjustment rod to
4. Attach adjustment rod to the brake lever and secure
with cotter pin.
NOTE: The brake lever, backing plate, retainer clip, re-
turn springs, brake shoes and cam shaft can be re-
moved as a complete brake assembly.
5. Makesurethatwheelhubandhydraulic motorshafts
are thoroughly clean. Install key to the slot on the hy-
draulic motor shaft. Slide wheel hub and brake drum as-
sembly onto the shaft.
7.
If itis desired to remove the brake assembly from the
brakebracket,removefourcapscrewsandlocknutsse-
curing the assembly to the bracket.
6. Secure wheel hub and brake drum to the hydraulic
motor shaft with lock nut.
8.
Disassemble brake assembly as follows (Fig. 6):
NOTE: For proper brake operation, the brake shoes
and backing plate must be concentrically aligned with
the brake drum.
A. Removereturnspringsfromthebrakeshoes.Re-
move brake shoes from the backing plate.
7.
Then tighten four socket head screws and lock nuts that
secure the brake bracket and wheel motor to the frame.
To align brake shoes and drum, apply parking brake.
B. Matchmark brake cam and brake lever to assure
proper alignment during assembly. Remove retain-
ing clip from the brake cam. Pull brake lever from the
cam. Remove cam from backing plate.
8. Secure wheel to machine with four (4) lug nuts.
9.
as follows:
The brake bracket and wheel shield can be removed
9. Lower wheel to ground. Torque wheel lug nuts from
45 to 65 ft--lb (61 to 88 N--m) in a crossing pattern.
A. Remove lock nuts, spacers and socket head
screws securing the brake bracket, wheel shield and
hydraulic motor to the frame.
10.Torque lock nut (item 6) from 250 to 350 ft--lb (339 to
474 N--m). Release parking brake.
11.
Check brake adjustment and andadjust ifnecessary
B. Separate bracket and shield from the frame.
(see Adjust Brakes in the Adjustments section).
Installation (Fig. 5)
6
2
1.
If removed, insert four socket head screws through
the frame, hydraulic motor, spacers, wheel shield and
brake bracket. Secure with lock nuts, but do not fully
tighten.
5
1
2.
Assemble brake assembly as follows (Fig. 6):
A. If removed, secure backing plate to the brake
bracket with four cap screws and lock washers.
B. Apply antiseize lubricant to cam shaft splines. In-
sert cam shaft through the backing plate.
4
3
7
Figure 6
5.
6.
7.
1.
2.
3.
4.
Return spring
Retaining clip
Cam shaft
Anchor pin
C. Attach brake lever to the cam shaft. Make sure
matchmarks are aligned properly. Secure lever to
shaft with retainer clip.
Brake shoe (toe end)
Brake shoe (heel end)
Backing plate
D. Lubricate brake shoe pivot points with a light
coating of grease. Position both brake shoes on the
backing plate so that the concave heels attach to the
anchor pin.
Groundsmaster 3505--D
Page 6 -- 9
Chassis
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| Tags | Toro Groundsmaster 3505 D |
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| Language | English |
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