4-5
39014-03 06/16
VERSALIFT VST-36/40/47/52-I
OPERA
TION
Note:
The operation of an outrigger interlocking
device(s) does not assure aerial device stability. It
serves only to remind the operator that the outriggers
have not been deployed.
The controls for operating the outrigger/boom interlock
include a detented control selector and a control valve.
These controls are usually mounted in the ground
control panel similar to the arrangement shown in
Figure 4.2 below. ANSI A92.2 standards require that
the outrigger control valve be located where the operator
can watch each outrigger raise and lower as the control
valve lever is activated.
Lowering the Outriggers With an Outrigger/Boom
Interlock System:
To lower the outriggers select
“ground controls” with the control selector. Then
operate the outriggers as described previously. Select
“lift controls” with the control selector in order to begin
operating the booms.
Retracting the Outriggers With an Outrigger/Boom
Interlock System:
The booms must be stowed before
the interlock system will allow the outriggers to be
retracted. Stow the booms as described in this
section, “Storing the Aerial Lift”. Select “ground
controls” with the detented control selector. Then raise
the outriggers as described previously.
Ground Control Panel With an Outrigger/Boom
Interlock System
Figure 4.2
HYDRAULIC TOOL OPERATION AT THE
GROUND (Optional)
- Select ground controls at the
lift/ground control selector then connect the hydraulic
tool hoses to the tool power outlets (quick-disconnect
couplings). Activate the tool-power valve by pulling
the tool power valve knob “out”. The other aerial lift
controls will not respond while the hydraulic tools are
being operated. To disconnect the hydraulic tools,
the tool-power valve must be turned “off” so that the
pressure in the system is relieved. This is done by
pushing the tool-power valve knob “in”. Then the tool
hoses can be disconnected safely and easily from
the tool power outlets (quick-disconnect couplings).
The tool-power controls are shown in Figure 4.3.
WARNING
:
FAILURE TO RELIEVE
PRESSURE TO THE TOOL PORTS BEFORE
CONNECTING OR DISCONNECTING THE
HYDRAULIC TOOL HOSES MAY RESULT IN A
HIGH PRESSURE HYDRAULIC OIL SPRAY. THIS
SPRAY OR MIST CAN PUNCTURE OR BECOME
EMBEDDED BENEATH THE SKIN OR
CONTAMINATE THE EYES. THESE CONDITIONS
REQUIRE IMMEDIATE MEDICAL ATTENTION.
Tool Power Controls
Figure 4.3
LOWER CONTROL OPERATION
DANGER:
DEATH OR SERIOUS
INJURY MAY RESULT IF CHASSIS BECOMES
ENERGIZED. DO NOT OPERATE THE AERIAL
DEVICE WHILE CREATING A PATH TO THE
GROUND.
The Lower Controls are located on the turret as shown
Figure 4.4.
CONTROL SELECTOR LEVER
- The 3-position
control selector is used to select operation of the
aerial lift from the upper or lower controls. Also this
control serves as the emergency stop for the upper
controls. When a control station is selected the other
is one inoperable.
BOOM CONTROL LEVERS
- The remaining control
levers at the lower control station are spring-loaded.
The lower control decal identifies the function of each
Summary of Contents for VST-36-I
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Page 27: ...3 9 39014 03 06 16 VERSALIFT VST 36 40 47 52 I SPECIFICATIONS ...
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Page 60: ...6 4 39014 03 06 16 VERSALIFT VST 36 40 47 52 I DAILY VISUAL INSPECTION ...
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