Toro Workman 3000 Series, Руководство по обслуживанию

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Workman 3000/4000 Series Page 7 – 10 Chassis
Front Wheel Assembly (2 Wheel Drive)
1. Dust cap
2. Cotter pin
3. Nut retainer
4. Jam nut
5. Tab washer
6. Wheel nut (5 used per wheel)
7. Wheel
assembly
8. Brake drum
9. Outer bearing cone
10. Outer bearing cup
11. Front hub
12. Lock washer (5 used per wheel)
13. Hex bolt (5 used per wheel)
14. Inner bearing cup
15. Inner bearing cone
16. Bearing seal
17. Cap screw (4 used per brake)
18. Lock washer (4 used per brake)
19. Brake assembly (RH shown)
20. Spindle (RH shown)
Figure 3
5
4
6
7
1
2
3
8
9
11
13
12
10
18
19
15
17
16
14
FRONT
RIGHT
45 to 65 ft–lb
(61 to 88 N–m)
ACCESS HOLE
See tightening
procedure in text
20
Loctite #680
40 to 60 ft–lb
(54 to 81 N–m)
NOTE: For Workman 4000 Series front wheel service
procedures, see Front Wheel and Axle Housing Assem-
bly in the Service and Repairs section of Chapter 10 –
Front Wheel Drive (4WD).
Disassembly (Fig. 3)
1. Partially loosen wheel nuts, then jack up and support
front of vehicle (see Jacking Instructions in Operator’s
Manual). Remove wheel nuts and then remove wheel
assembly.
NOTE: It may be necessary to back off brake adjuster
to remove brake drum. To back off adjuster, rotate brake
drum until access hole lines up with star wheel on adjust-
er assembly. Use a hooked piece of wire to pull pawl
away from star wheel, then turn star wheel.
2. Remove brake drum from front hub.
3. Remove dust cap. Straighten and remove cotter pin
from spindle shaft. Remove nut retainer, jam nut, tab
washer and outer bearing cone. Pull wheel hub from
spindle.
4. Pull seal out of wheel hub and discard seal. Remove
inner bearing cone from wheel hub. Check bearing cups
for wear, pitting or other damage. Replace worn or dam-
aged parts.
Assembly (Fig. 3)
1. If hex bolts and lock washers were removed from the
from hub:
A. Thoroughly clean threads of hex bolt and hub.
Apply Loctite #680 (or equivalent) to threads of hex
bolt closest to bolt head.
B. Install hex bolt with lock washer into stub axle.
Torque bolt from 40 to 60 ft–lb (54 to 81 N–m).
2. If bearing cups were removed from hub, press new
cups into hub until they seat against inside shoulder of
hub.
3. Pack inner bearing cone with grease. Install inner
bearing cone into bearing cup in hub. Apply grease to
new seal and press into wheel hub.