Toro Reelmaster
4000?D Service Manual page 166

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.
Axles and Brakes
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.
7
6
5
1. Cotter pin
2. Spindle
3. Cap
4. Washer
5. Seal
6. Inner bearing cone
7. Inner bearing cup
Page 6 − 6
8
9
10
4
Figure 6
8. Wheel hub
9. Outer bearing cup
10. Outer bearing cone
11. Washer
12. Retainer
13. Jam nut
Reelmaster 4000−D
11
12
1
2
3