JLG 600SC_660SJC Service Manual - Manual (Page 64)

SECTION 3 - CHASSIS & TURNTABLE
3-28 – JLG Lift – 3121607
Main Disassembly
1. Remove Sun Gear (8) with Retaining Ring (44) i nside .
2. With unit resting on Output Shaft (Pinion) (1A), remove
Bolts (12) from Brake Housing (6).
3. Remove Brake Housing (6) from main assembly.
4. Remove O - ring (5A) from Brake Housing (6) and Ring
Gear (4).
5. Remove Thrust Washer (11) from Brake Housing (6) and
Carrier Subassembly
.
6. Remove Ring Gear (4) from Housing (1G).
7. Remove O-ring (5) from Ring Gear (4) and Housing (1G) .
8. Remove Carrier Subassembly.
9. Remove Thrust Washer (11) between Carrier Subassem-
bly and Internal Gear (2
).
10. Remove Internal Gear (2).
Figure 3-23. Main Disassembly
Hub-Shaft Disassembly
WEAR EYE PROTECTION DURING THIS PROCEDURE.
11. Using retaining ring pliers, remove and discard Retaining
Ring (11) from groove in Output Shaft (1A).
12. Remove Thrust Washer (1H).
13. Support Housing ( 1 G) on Output Shaft (1A) end. Press
Output Shaft (1A) out of Housing (IG).
NOTE: Lip Seal (1B) will be pressed out of Housing (1G) by Bearing
Cone(1D) during this step.
14. Remove Bearing Cone (IE) from Housing (IG).
15. Use a bearing puller to r e move Bearing Cone ( 1 D) f rom
Shaft (1A). Bearing Cups (1C & 1F) will remain in Housing
(1G).
NOTE: If bearing replacement is necessary, Bearing Cups (1C & 1F)
can be removed with a slide hammer puller or driven out
with a punch.
Figure 3-24. Hub-Shaft Disassembly
44
8
20
6
11
5A
4
5
3F
11
2
13
1A
1A
1B
1D
1C
1G
1F
1E
1H
1I