Toro 98958SL - page 170

Reelmaster 4000–D

Page 6 – 6

Axles and Brakes

1. Jack up rear of machine until tire is off the. Support

machine with jack stands or blocks to prevent it from fal-

ling (see Jacking Instructions in Chapter 1 – Safety).

2. Remove dust cap (16) from the end of the wheel

spindle.

3. Remove cotter pin (15), slotted nut, and washer

(18). Slide wheel off of the spindle shaft.

4. Pull seal (22) out of wheel hub (9).

5. Remove bearings (11 and 21) from both sides of the

wheel hub (9). Clean bearings in solvent. Make sure the

bearings are in good operating condition. Clean inside

of the wheel hub (9). Check bearing cups (10 and 20) for

wear, pitting, or other noticeable damage. Replace worn

or damaged parts.

6. If bearing cups (10 and 20) were removed from the

wheel hub (9), press them into the hub until they seat

against the shoulder.

7. Use No. 2 general purpose lithium base grease con-

taining EP additive. Pack both bearings (11 and 21) with

grease. Install bearing (21) into the cup (20) on inboard

side of wheel hub.

IMPORTANT: The lip seal must be pressed in so it is

flush with the end of the hub. The lip of the seal must

be toward the bearing.

8. Lubricate the inside of the new lip seal (22) and

press it into the wheel hub.

9. Pack inside of wheel hub with some grease (not

full). Install remaining bearing (11) into bearing cup (10).

10. Slide wheel onto the spindle shaft and secure it in

place with the flat washer (18), nut (17), and retainer nut

(50). Do not tighten nut or install the cotter pin.

11. Adjust preload on the wheel bearings (Fig. 6).

A. Tighten jam nut from 75 to 80 in–lb (86 to 270 kg–

cm) while turning the hub to seat the bearings and

remove all end play.

B. Loosen jam nut until it is away from the tab wash-

er and the hub has end play. Tighten jam nut from 15

to 20 in–lb (17 to 23 kg–cm) while rotating the hub.

C. Put retainer over the jam nut. If the cotter pin hole

is not aligned with a retainer slot, remove retainer

and reorient it until alignment occurs.

D. Insert cotter pin. Bend both legs of the cotter pin

and tap out of the way. Install the cap.

1. Cotter pin

2. Spindle

3. Cap

4. Washer

5. Seal

6. Inner bearing cone

7. Inner bearing cup

8. Wheel hub

9. Outer bearing cup

10. Outer bearing cone

11. Washer

12. Retainer

13. Jam nut

Figure 6