SECTION 3 – MACHINE CONTROLS, INDICATORS AND OPERATION
3-14
– JLG Lift–
Manual Swinging Operating Devices - 8E/20E
The manual swinging operating devices are used in the event
of total power failure to manually swing the superstructure.
Those devices are composed of:
- a
rotary valve (1)
located on the pump/motor control valves
assembly to release the swinging motor.
Figure 3-9. Rotary Valve - 8E
- a
solid hand wheel (2)
, located behind the access door.
Figure 3-10. Solid Hand Wheel - 8E
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