JLG 460SJ Service Manual - Manual (Page 61)

SECTION 3 - CHASSIS & TURNTABLE
3120895 – JLG Lift – 3-9
11. Lift input shaft sub-assembly (7) out of middle of
spindle (1A), and stand input shaft (7A) on its
splined end.
WEAR SAFETY GLASSES DURING THIS STEP, AND BE AWARE
THAT SPRING AND SPACERS COMPRESSED BY RETAINING RING
MAY POP SUDDENLY OFF SHAFT WHEN YOU REMOVE THE
RETAINING RING.
12. Using retaining ring pliers, remove retaining ring
(7B) from the groove on input shaft (7A).
13. Remove one spacer (7D), one spring (7C), and
other spacer (7D) from input shaft (7A).
14. Remove thrust washer (11) from around spindle
(1A).
15. Lift internal gear (2) out of hub (1G).
BEWARE OF SHARP EDGES IN COUNTERBORE WHEN YOU
REMOVE THE O-RING.
16. Remove o-ring (5) from the counterbore in hub (1G).
Discard the o-ring.
17. At this point the main disassembly for ”B” drives is
complete.
Hub-Spindle Disassembly
NOTE: Start with large end of hub facing up, large end of
spindle facing down.
WEAR SAFETY GLASSES DURING THIS STEP.
1. Remove retaining ring (1I) from around spindle (1A)
ia hub (1G).
2. Remove spacer (1H) from around spindle (1A) in
hub (1G).
3. Set hub (1G), small end/spindle facing down, up on
something that will support the hub’s flange while it
lifts hub up so spindle is not resting on anything.
Carefully press or hammer spindle (1A) down out of
hub (1G).
NOTE: If seal (1B) and bearing cone (1D) come out of hub
and rest on spindle, remove these parts from the
spindle and set them aside. Discard the seal.
4. If seal and bearing cone did not come out of the
small end of hub (1G) when you pressed spindle out
of hub, remove seal (1B) and bearing cone (1D)
from the small end of hub (1G). Discard the seal.
5. Bearing cone (1F) should be lying loose in wide end
of hub (1G). Remove bearing cone (1F) from inside
hub (1G).
NOTE: If you use a punch and hammer, make sure you do
not strike the counterbore with the punch when you
remove the bearing cup.
6. Remove bearing cup (1C) from the counterbore in
the small end of hub (1G).
NOTE: If you use a punch and hammer, make sure you do
not strike the counterbore with the punch when you
remove the bearing cup.
7. Turn hub (1G) over and lift it out of the flange-sup-
port. Remove bearing cup (1E) from the counterbore
in the wide end of hub (1G).
8. Turn hub (1G) over onto its small end. Remove two
pipe plugs (1J) from the two pipe plug holes in the
side of hub (1G).
NOTE: If your unit does not have studs, skip this step:
9. Press the nine studs (1N) out of the stud holes in
hub (1G).
10. At this point the hub-spindle disassembly is com-
plete.
Cover Disassembly
1. Remove the two bolts (6C) holding disconnect cap
(6D) to cover (6A).
2. Remove disconnect cap (6D) from on top of cover
cap (6B) and cover (6A).
3. Remove the two bolts (6C) holding cover cap (6B) to
cover (6A).
4. Remove cover cap (6B) from cover (6A).
5. Remove disconnect rod (6K) from cover cap (6B).
6. Pry o-ring (6F) out of the groove inside cover cap
(6B). Discard the o-ring.
7. Remove o-ring (6G) from the flange of cover cap
(6B). Discard the o-ring.
8. Remove pipe plug (6H) from cover (6A).
9. At this point the cover disassembly is complete.
Carrier Disassembly
NOTE: When you remove the needle rollers from the clus t er
gears, discard the old needle rollers and use new
ones during re-assembly.
1. Using a punch and hammer, drive roll pin (3G) into
planet shaft (3E).