JLG M4069 ANSI Service Manual - Manual (Page 67)

SECTION 3 - CHASSIS & SCISSOR ARMS
3121122 – JLG Lift – 3-39
Output Carrier Sub-Assembly
1. Apply a liberal coat of grease to the bore of one Out-
put Planet Gear (7).
2. Line the inside of the Planet Gear with 14 Needle
Bearings (4).
NOTE: The last roller installed must be installed end wise.
That is, the end of th last roller must be placed in
between the ends of the two rollers which form the
space, and then slid, parallel to the other rollers, into
place.
3. Place the Spacer (6) into the bore of the Output
Planet.
4. Repeat Step 2 to put in second roll of Needle Bear-
ings.
5. Apply grease to hold two Thrust Washers together
and onto Output Planet Gear counterbore. Do the
same to the other side.
6. Repeat Steps 1-5 to finish the assembly of the two
remaining Output Planet Gears.
7. Place the Thrust Washer (8) into counterbore of the
Carrier (3). BE SURE the small diameter side of the
Thrust Washer is facing the planet gear side.
8. Place the Planet Gear Sub-assembly into the Carrier.
Visually align the planet gear bore with one of the
planet shaft holes on the Carrier.
9. Insert a Planet Shaft (2) into the planet shaft hole
described in Step 8 on the Carrier. The end of the
planet shaft that does NOT have the roll pin hole
should be inserted into the Carrier FIRST.
10. Now insert the Planet Shaft through the first set of
Thrust Washers, Planet Gear, then the second set of
Thrust Washers. Use an alignment punch or similar
tool to align the roll pin holes on the Carrier and
Planet Shaft.
NOTE: Be sure not to hit the Planet Gears when driving in
the Roll Pins (1).
11. Drive the Roll Pin down into the aligned roll pin
holes. Pin should be flush with OD of Carrier.
12. Repeat Steps 7-11 for the installation of the two
remaining Planet Gears.
1. Roll Pin
2. Planet Shaft
3. Carrier
4. Needle Bearings
5. Thrust Washers
6. Thrust Spacer
7. Planet Gears
8. Thrust Washer
Figure 3-23. Output Carrier Sub-Assembly