JLG 450A_AJ Series II Service Manual - Manual (Page 49)

SECTION 3 - CHASSIS & TURNTABLE
3121290 – JLG Lift – 3-9
Cover Disassembly
1. Remove two bolts (6C) holding disconnect cap (6D) to
cover (6A).
2. Remove disconnect cap (6D) from on top of cover cap
(6B) and cover (6A).
3. Remove two bolts (6C) holding cover cap (6B) to cover
(6A).
4. Remove cover cap (6B) from cover (6A).
5. Remove disconnect rod (6K) from cover cap (6B).
6. Pry O-ring (6F) out of groove inside cover cap (6B). Dis-
card O-ring.
7. Remove O-ring (6G) from flange of cover cap (6B). Dis-
card O-ring.
8. Remove pipe plug (6H) from cover (6A).
9. Cover disassembly is complete.
Carrier Disassembly
NOTE: Discard old needle rollers and use new ones during reas-
sembly.
1. Using a punch and hammer, drive roll pin (3G) into
planet shaft (3E).
DRIVE ROLL PIN ALL THE WAY INTO PLANET SHAFT OR CARRIER WILL BE
DAMAGED WHEN PLANET SHAFT IS REMOVED.
2. Using a punch and hammer, drive planet shaft (3E) out
of planet shaft hole in carrier housing (3A).
3. When you remove planet shaft (3E) from carrier housing,
one thrust washer (38), one cluster gear (3F), and one
more thrust washer (3B) will come off planet shaft and
come to rest inside carrier. Remove these parts from
inside carrier.
4. Remove 16 needle rollers (3C) from inside one end of
cluster gear (3F). Discard needle rollers.
5. Remove one spacer (3D) from inside cluster gear (3F).
6. Remove remaining 16 needle rollers (3C) from other side
of cluster gear (3F). Discard needle rollers.
7. Repeat steps 1-6 to remove and disassemble two
remaining cluster gears.
8. At this point carrier disassembly is complete.
Assemble Carrier
1. Apply grease to inside of one cluster gear (3F) and line one
half of cluster gear with 16 needle rollers (3C).
2. Place spacer (3D) inside cluster gear (3F) so it rests on
top of needle rollers.
3. Line remaining half of cluster gear (3F) with 16 needle
rollers.