Swing Bearing; Removal - JLG H340AJ Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

3.10 SWING BEARING

The swing drive assembly has five major components. They
are the housing, worm, worm gear, output pinion and gear /
pinion cap. The unit cannot be serviced while mounted on the
machine.

Removal

1. Remove the hardware securing the battery cover and
remove the battery cover.
2. Disconnect the negative terminal on the battery.
MAKE SURE THE EYEBOLTS HAVE A RATED WORK LOAD SUFFICIENT TO HAN-
DLE THE LOAD OF THE UPPERSTRUCTURE OF THE MACHINE. THE UPPER-
STRUCTURE WEIGHS APPROXIMATELY 7,000 LBS. (3175 KG).
3. Install eyebolts as specified in Figure 3-12., Eyebolt for
Counterweight in the counterweight.
3-32
4. Securely strap the booms together to prevent any
movement during the lifting process.
3121634