Figure 7.10 - Lower Boom Control Valve
Levers
Note - Operator in the Platform
With an operator in the platform these lower
control levers should be considered as being for
EMERGENCY USE ONLY.
■
Lower Controls
Column Rear
❍
Emergency lower valve
❍
Platform / Ground selector switch
1.
Emergency Bleed Down:
Located at the
rear of the column (see Figure 7.11) this
valve provides facility to lower the platform in
the event of a control failure or other
emergency. Turn the valve counter clockwise
to open it and lower the platform to the
ground.
The UPPER boom will begin to lower
immediately (see the 'Emergency Operation'
chapter for details on emergency lowering
procedures).
Figure 7.11 - Lower Emergency Bleed Down
Valve
2.
Plat form / Ground Se lec tor Switch:
Lo cated at the rear of the col umn (see Fig ure
7.12) ad ja cent to the emer gency lower valve.
Se lect PLATFORM or GROUND op er a tion.
Wichever sta tion is se lected, the other
be comes inoperative.
Figure 7.12 - Platform / Ground Selector
Switch
page 7 - 4
Rev A
EPV Series – 1596(A)
7. Controls
RIGHT
LEFT
UP
DOWN
Содержание EPV Series
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