SECTION 3 – MACHINE CONTROLS, INDICATORS AND OPERATION
– JLG Lift –
3-13
Jib Manual Descent Valve - 8E/20E
- The jib manual
descent button (3)
is located on the jib
cylinder valve.
Figure 3-7. Jib Manual Descent Valve - 8E/20E
Jib Manual Lift Up Valve (20E only)
The jib manual lift up operating device is used in the event of
total power failure to manually lift up the jib.
1.
Push and hold the jib lift membrane switch at the
ground control station (Refer to Section 3-7, Figure 3-
5).
2.
Activate the hand pump to lift up the jib.
Figure 3-8. Jib Manual Lift Up Valve - 20E
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