JLG M4069 ANSI Service Manual - Manual (Page 64)

SECTION 3 - CHASSIS & SCISSOR ARMS
3-36 – JLG Lift – 3121122
Hub-Spindle Disassembly
1. Place unit on bench with Spindle (1) end down.
2. Remove Retaining Ring (2) with appropriate tool.
3. Remove Spacer (3).
4. Remove "A" position Bearing Cone (4) from Bearing
Cup (5) in Hub (6).
5. Lift Hub (6) off of Spindle (1). Remove Boot Seal (7)
from Hub if applicable.
6. If necessary, press 9 Studs (8) out of Hub. Locate
Hub on Seal (refer to Figure 3-17.) end.
7. Remove Seal from Hub.
NOTE: The Seal should NOT be reused when reassembling
the unit.
8. Remove "B" position Bearing Cone (9) from Hub.
9. Using a soft steel rod, knock both Bearing Cups (5)
out of the Hub.
1. Spindle
2. Retaining Ring
3. Spacer
4. Bearing Cone
5. Bearing Cup
6. Hub
7. Boot Seal
8. Studs
9. Bearing Cone
Figure 3-22. Hub-Spindle Disassembly