JLG 1350SJP Service Manual - Manual (Page 80)

SECTION 3 - CHASSIS & TURNTABLE
3-34 – JLG Lift – 3121142
37. By using a puller and a metal stopper, remove the
flanged hub (31) from the gearbox housing (23).
38. By using a tackle remove the gearbox housing (23) from
the flanged hub (31).
39. Remove the seal ring (30) from its seat in the flanged
hub (31).
NOTE: In case of oil leaks, it may be necessary to check and even-
tually replace the lifetime seal (29), which means both the
metal rings parts and the O-ring seals.
40. By using a screwdriver, remove the 1st half-seal (29)
from the flanged hub (31).
41. By using a screwdriver, remove the 2nd half-seal (29)
from the gearbox housing (23).
NOTE: The gearbox disassembly ends with the above operation.
All items are now available for the necessary inspections.
Inspection of Parts
The pieces that are subject to general wear and tear are the
following:
- Gears.
- Bearings.
- All the seals
Replace the used or irregular parts using the following steps:
1. Remove dirt, and in particular properly clean the seals,
bearings and locking rings seating.
2. Lubricate the parts before connecting them.
3. In the case of damaged gears, for example a planetary,
do not proceed to replace the individual gear but the
entire reduction assembly.