JLG 660AJ Service Manual - Manual (Page 79)

SECTION 3 - CHASSIS & TURNTABLE
3121616 – JLG Lift – 3-35
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 3-49. Main Disassembly
Hub-Shaft Disassembly
WEAR EYE PROTECTION DURING THIS PROCEDURE.
11. Using retaining ring pliers, remove and discard Retain-
ing 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 3-50. 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