JLG 3246ES Service Manual - Manual (Page 51)

SECTION 3 - CHASSIS & SCISSOR ARMS
3121166 – JLG Lift – 3-15
Spindle Disassembly
1. Place unit on bench with planet gears facing up.
2. Remove 3 output planet shafts.
NOTE: These planet shafts are held in with a press fit. Use
the tapped hole in the end of the pin in conjunction
with a slide hammer or similar tool to remove them.
3. Remove the output planet gear, thrust washer, and
tanged washer out of each gear “window” of the
spindle.
NOTE: The output planet gears are a very similar size to the
input planet gears, tag or label the planet gears to
avoid confusion.
4. Using a screwdriver remove the shaft bearing snap
ring.
5. Remove the shaft ball bearing from the center
bore.
6. Press out the motor shaft seal from the center
bore.
7. Remove the main bearing from the outside diame-
ter of the spindle.
NOTE: This bearing is held in with a press fit. You will need to
pry against the spindle to remove it. The bearing will
need to be replaced when this is done.
8. Press out the main bushings at the top of the spin-
dle neck.
9. Remove the motor O’ring from the groove on side
opposite from the carrier side.
1. Spindle Sub-Assembly
2. Main Bushing
3. Shaft Ball Bearing
4. Tanged Washer
5. Thrust Washer
6. Output Planet Gear
7. Output Planet Pins
8. Main Bearing
9. O-Ring
10. Shaft Seal
11. Snap Ring
12. Needle Roller Bearings
Figure 3-14. Spindle DIsassembly