JLG 450A_AJ Series II Service Manual - Manual (Page 62)

SECTION 3 - CHASSIS & TURNTABLE
3-12 – JLG Lift – 3121180
Output Carrier Sub-Assembly
UNCONTROLLED OBJECTS CAN CAUSE EYE DAMAGE OR SERI-
OUS INJURY. ALWAYS WEAR EYE PROTECTION.
1. Place Spring (4I) in deep counterbore of Output Car-
rier (4A).
2. Place Washer (4J) on top of Spring (4I).
3. Install Retaining Ring (4K) on snap ring pliers and
place on top of Washer (4J). Compress Spring (4I)
until Retaining Ring (4K) is seated completely in
groove.
4. Apply a liberal coat of grease to bore of one Output
Planet Gear (4F).
5. Line inside of Planet Gear (4F) with 15 Needle Roll-
ers (4C).
6. Place Thrust Washer (4H) in shallow counterbore of
Output Carrier (4A).
7. Set Carrier (4A) in an upright position.
NOTE: Insert end of planet shaft that does NOT have roll pin
hole in carrier FIRST.
8. Insert a Planet Shaft (4E) into one of the planet shaft
holes on the Carrier (4A). Place one Thrust Washer
(4B) on end of Planet Shaft (4E). Make sure flat
faces towards inside of carrier button fits in pocket
inside Carrier (4A).
9. Following thrust washer, place Planet Gear (4F) with
needle rollers on Planet Shaft (4E).
10. Following planet gear, place one more Thrust
Washer (4B) on Planet Shaft (4E). Align Thrust
Washer (4B) in same manner described in Step 6.
11. Insert Planet Shaft (4E) through opposite planet
shaft hole on Carrier (4A). Use an alignment punch
or similar tool to align roll pin holes on Carrier (4A)
and Planet Shaft (4E).
12. Drive Roll Pin (4G) down into aligned roll pin holes.
Pin should be flush with OD of carrier.
13. Repeat Steps 4,5, & 8-13 for remaining Planet Gears
(4F).