7.
Enable Switch
: The enable switch must be
pressed DOWN in conjunction with the
boom/platform moving function you select.
The purpose of this switch is to prevent the
platform/booms from moving if something or
someone accidentally pushes one of the
boom/platform moving controls. The
boom/platform moving controls will not
operate unless the enable switch is held
down at the same time.
8.
Overload Indicator
: This in di ca tor
il lu mi nates when the plat form is over loaded
(see Safety De vices Chap ter 3 Page 4).
9.
Height Lockout Switch (Option):
This
switch (when fitted), limits the maximum
height of the boom to 10.9 metres (see
Options Chapter).
10.
Fuel / Electric Selector Switch (Option)
:
This switch (when fitted) allows switching
between different motive sources (see
Options Chapter).
11.
Emergency Lower Switch:
This switch,
(when operated in conjunction with the
enable switch) allows the platform to be
lowered in the event of an emergency. See
Chapter 11 "Emergency Operation" for
details of emergency lowering procedures.
12. Movement Control Levers
: Con trol le vers
1 through 3 (see Fig ure 8.3) op er ate the
up per and lower boom and slew con trol
valves.
All le ver move ment is ver ti cal. This pro duces a cor -
re spond ing up/down move ment for con trol le vers
and
, whilst mov ing le ver
pro duces a move -
ment to the left/right.
1.
Slew:
LEFT rotates the entire turntable and
boom to the left. RIGHT rotates the entire
turntable and boom to the right.
2.
Lower Boom
: UP raises the lower boom.
DOWN lowers the lower boom.
3.
Upper Boom
: UP raises the upper boom.
DOWN lowers the upper boom.
Figure 8.3 - Lower Controls - Movement
Control Valve Levers
■
Platform Control Box
❑
Upper controls (steel basket):
❍
Emergency stop switch
❍
Choke
❍
Start switch
❍
Lift enable indicator
❍
Overload indicator
❍
Fuel / electric selector switch (Option)
❍
Emergency lower switch
❍
Valve control lever for slew
❍
Valve control lever for lower boom
❍
Valve control lever for upper boom
❍
Valve control lever for fly boom
❍
Optional Valve control lever for platform
rotate
❍
Enable switch (Foot)
Figure 8.4 - Upper Control Box Controls -
Steel Basket
1.
Emer gency Stop
: Press the red
EMERGENCY STOP but ton in, at any time,
un der any con di tions, and the en tire ma chine
EPV16 – 13642-1
Rev A
page 8 - 3
8 Controls - Hydraulic
ROTATE
RIGHT
LEFT
JIB
BOOM
UP
DOWN
UPPER
BOOM
UP
DOWN
LOWER
BOOM
UP
DOWN
SLEW
RIGHT
LEFT
ELECTRIC
FUEL
13524-1
REV
B
LIFT
ENABLE
lb
kg
EMERGENCY
LOWER
START
CHOKE
