JLG 660SJ Service Manual - Manual (Page 53)

SECTION 3 - CHASSIS & TURNTABLE
3121298 – JLG Lift – 3-9
Input Carrier Assembly
1. Apply a liberal coat of grease to bore of one Input Planet
Gear (3F).
2. Line inside of Planet Gear (3F) with 14 Needle Rollers
(3C).
NOTE: The last roller installed must be installed end wise. That is,
the end of the last roller must be placed in between ends of
the two rollers which form the space, and then slid, parallel
to the other rollers, into place.
3. Set Carrier (3A) in an upright position.
INSERT END OF PLANET SHAFT THAT DOES NOT HAVE ROLL PIN HOLE IN CAR-
RIER FIRST.
4. Insert a Planet Shaft (3E) in planet shaft hole in end of
Carrier (3A) opposite splined end.
5. Place one Thrust Washer (3B) on end of Planet Shaft (3E).
Make sure the flat faces towards inside of carrier and
make sure button fits in the pocket on inside of Carrier
(3A) towards the OD.
6. Following the thrust washer, place Planet Gear (3F) with
needle rollers, on Planet Shaft (3E).
7. Following the planet gear, place one more Thrust
Washer (3B) onto Planet Shaft (3E). Align Thrust Washer
(3B) in same manner described in Step 5.
8. Now insert Planet Shaft (3E) through opposite planet
shaft hole on Carrier (3A). Use an alignment punch or
similar tool to align roll pin holes on Carrier (3A) and
Planet Shaft (3E).
DO NOT TO HIT PLANET GEARS (3F) WHEN DRIVING IN ROLL PINS (4G).
9. Drive Roll Pin (4G) down into aligned roll pin holes. Pin
should be flush with flat of carrier.
10. Repeat Steps 1-9 for installation of two remaining Planet
Gears (3F).
NOTE: Some grease may need to be applied to Thrust Washers
(3B) to hold them in place while installing planet gears.
Figure 3-10. Input Carrier Assembly
3B
3F
3C
3B
4G
3A