JLG 660SJ Service Manual - Manual (Page 49)

SECTION 3 - CHASSIS & TURNTABLE
3121298 – JLG Lift – 3-5
Output Carrier Disassembly
1. Use a 1/8” diameter punch to drive Roll Pin (4G) in Planet
Shaft (4E) until it bottoms against Spindle (1A).
2. Grasp Roll Pin (4G) with needle nosed pliers or a hooked
tool and pull Planet Shaft (4E) out of Spindle (1A).
3. Drive Roll Pin (4G) out of Planet Shaft (4E). Discard roll
pin.
4. Slide Planet Gear Subassembly (4) out of Spindle (1A).
Do not drop Needle Bearings (4C).
5. Remove four Thrust Washers (4B), 28 Needle Rollers (4C),
and Thrust Spacer (4D) from Second Stage Planet Gear
(4F).
6. Repeat Steps 12-15 for remaining Planet Gears (4F).
7. Remove Thrust Washer (4H) from Spindle (1A) counter-
bore.
Figure 3-5. Output Carrier Disassembly
Input Carrier Disassembly
1. Using a 1/8” diameter punch, drive Roll Pin (4G) in Planet
Shaft (3E) until it bottoms against Carrier (3A).
2. Using a soft face hammer, tap Planet Shaft (3E) out of
Carrier (3A).
3. Using a 1/8” diameter punch, drive Roll Pin (4G) out of
Planet Shaft (3E). Discard roll pin.
4. Slide Planet Gear (3F) and two Thrust Washers (3B) out
of Carrier (3A).
5. Remove 14 needle Bearings (3C) from bore of Planet
Gear (3F).
6. Repeat steps 1 through 5 for remaining planet gears.
Figure 3-6. Input Carrier Disassembly
4H
4B
4C
4F
4D
4B
4G
4E
1A
3B
3F
3C
3B
4G
3A