JLG 15/20MSP Service Manual - Manual (Page 46)

SECTION 3 - BASE COMPONENTS
3-12 – JLG Lift – 3121231
Spindle Disassembly
1. Place Spindle Sub-Assembly on bench with Planet
Gears (G9) facing up.
NOTE: Do not damage or scratch the seal surface of the
Spindle (G1) during disassembly.
2. Remove three Output Planet Shafts (G10).
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 (G9), Thrust
Washer (G25), and Tanged Washer (G32) out each
of gear "window" of the Spindle (G1).
NOTE: The Output Planet Gears (G9) are very similar in
size to the Input Planet Gears (5), tag or label the
Planet Gears to avoid confusion.
4. Press out Bushing (G26) from the bore of each
Planet Gear (G9). Bushings cannot be reused when
removed
5. Remove the Main Bearing (G14) from the outside
diameter of the Spindle (G1).
NOTE: This bearing is held in with a press fit. You will need
to pry against the Spindle (1) to remove it. A new
bearing should be used when the unit is reassem-
bled.
6. Flip over the Spindle (G1).
7. Press out the Motor Shaft Seal (G17) from the cen-
ter bore. The seal cannot be reused when removed
8. Remove the shaft Ball Bearing (G15) from the cen-
ter bore.
Spindle Disassembly