JLG 740AJ Service Manual - Manual (Page 219)

SECTION 4 - BOOM & PLATFORM
3121160 – JLG Lift – 4-3
4.2 ROTATOR AND SLAVE CYLINDER
Removal
1. Tag and disconnect hydraulic lines to rotator. Use
suitable container to retain any residual hydraulic
fluid. Cap hydraulic lines and ports.
2. Remove hardware from pin #1. Using a suitable
brass drift and hammer remove pin #1 from the fly
boom.
3. Supporting the rotator, remove the hardware from
pin #2. Using a suitable brass drift and hammer,
remove pin #2 from the fly boom and remove the
rotator.
4. Telescope the fly section out approximately 20
inches (50.8 cm) to gain access to the slave leveling
cylinder.
A,B,D
C,D
E
A
B
C
D
E Torque to 50 ft.lbs. (68 Nm)
Loctite #242
Torque to 480 ft. lbs. (650 Nm)
Check torque every 150 hours of operation
Torque to 85 ft. lbs. (115 Nm)
Figure 4-2. Platform Support Torque Values
NOTE: If any rotator bolts are replaced, all bolts
on the rotator should be retorqued.
Figure 4-3. Reassembly of Components-Rotator and
Leveling Cylinder