Versalift VO-452-MHI, Operator'S Manual

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4-6 39049-01 01/17 VERSALIFT VO-452/455/460-MHI
OPERA
TION
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.
BOOM CONTROL LEVERS - The remaining control
levers at the lower control station are spring-loaded.
The lower control decal identifies the function of each
control lever and indicates which direction to move
the control lever for the desired movement. When
released the control lever will return to the centered or
neutral position and motion ceases.
PLATFORM LEVELING CONTROL - This control
activates the hydraulic platform leveling to level the
platform.
Lower Controls At The Turret
Figure 4.4
ELECTRIC SELECTOR STATION - The electric
controls at the pedestal are arranged as shown in
Figure 4.5 A description of each control and the
method of operation is given below.
Electric Control Station at the Pedestal
Figure 4.5
ENGINE START/STOP CONTROL (Standard) - The
engine start/stop control is convenient for the ground
crew at the pedestal. The engine start/stop control is
operated by a three-position toggle switch.
To start the engine from the pedestal , push the
toggle to the “START/STOP” position and hold the
toggle in that position for a moment until the engine
starts. Allow the toggle to return to the neutral or
centered position.
To stop the engine from the pedestal , push the
toggle to “START/STOP” again. Allow the toggle to
return to the neutral or centered position. Refer to
Section 5, “Emergency Operation” for information on
the use of this control in an emergency.
TWO-SPEED MANUAL THROTTLE CONTROL
(Option)
- Gives the operator a choice of efficient,
economical engine idle speed or higher engine speed
when faster lift movements are required. The two-
speed throttle control will operate only if the master
control is activated. The two-speed throttle control is
operated by a three-position toggle switch at the
pedestal.
To speed up the engine from the pedestal , push
the toggle to the “ENGAGE” position. Allow the toggle
to return to the neutral or centered position.