JLG 340AJ, Service And Maintenance Manual

Page: 60 / 370

SECTION 3 - CHASSIS & TURNTABLE
3-18 – JLG Lift – 3121259
Planet Gear Subassembly
1. Apply a liberal coat of grease to the bore of one of
Planet Gears (4F).
2. Line the inside of the Planet Gear (4F) with Needle Roll-
ers (4C).
NOTE: The last roller installed must be installed end wise. That is,
the end of the 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 Spacer (4D) into the bore of the Planet Gear (4F).
4. Repeat Step 2 to put in second roll of Needle Rollers
(4C).
5. Apply grease to hold Thrust Washers (4B) together and
onto Planet Gear (4F) counterbore. Do the same to the
other side.
6. Repeat Steps 1-5 to finish the assembly of the two
remaining Planet Gears Subassemblies (4F).
Figure 3-15. Planet Gear
4B. Thrust Washer
4C. Needle Bearing
4D. Thrust Spacer
4F. Planet Gear