SECTION 4 - MACHINE OPERATION
3121773
– JLG Lift –
4-19
Emergency Lowering
The main function of the emergency lowering is to lower the
platform in the event of primary power failure.
Some functions will not operate since this is a gravity lower-
ing system and a symbol will appear on the display if one of
those functions are selected.
Operate as follows:
1.
Ensure the emergency stop button is in
the ON position by turning it clockwise.
2.
Push and hold down button 4
(item 4)
on the platform/remote control box.
The LCD display will show the symbol
shown on button 4 in position 8 on the
LCD display.
(Items 4 and 15, Figure 4-3.)
3.
Select a boom function to operate by moving the
paddle controller in the direction for lowering -
(items 18, and 21 in Figure 4-3.)
4.
When finished, release the emergency lowering
switch, controller and foot switch.
5.
Position the emergency stop switch to the off posi-
tion.
Determine the reason for the primary power failure and
have the problem corrected by a qualified JLG service tech-
nician.
Platform Removal/Installation
The platform may only be removed to allow passage
through areas measuring a minimum of 39 in. (99cm).
NOTE:
If the platform is removed, only track movement and
jib functions are allowed.
Platform Removal
1.
Remove the platform/remote control box from the
mounting support.
2.
Loosen and remove the aluminum caps that
secure the platform to the jib platform mounting
posts.
3.
Disconnect SkyGuard™ connection.
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