Manitowoc Grove GRT8120, Руководство оператора

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OPERATING CONTROLS AND FEATURES GRT8120 OPERATOR MANUAL
3-22
Published 3-22-2021, Control # 702-02
Cup Holder
The adjustable Cup Holder (1, Figure 3-9) is attached to the
front of the right armrest.
Turn knob counterclockwise to loosen cup holder for
adjustment. After adjusting, turn knob clockwise to lock cup
holder in position.
Boom Lift – Main Hoist – Telescope – Luffing
Jib Controller (Dual Axis)
The Boom Lift - Main Hoist - Telescope Controller
(2, Figure 3-9) is located on the right armrest.
Push controller to the right to lower the boom. Push
controller to the left to raise the boom.
When used for the main hoist, push controller forward to
lower the hoist rope. Pull controller rearward to raise the
hoist rope.
Move controller in a diagonal direction to operate the two
functions at the same time.
When crane is equipped with an optional auxiliary hoist, the
boom lift and telescope functions are operated by the same
left and right controller motion. Operator must enable the
b o o m l i f t o r t e l e s c o p e f u n c t i o n u s i n g t h e r e l a t e d
Enable/Disable Switch for the function to operate. Only one
of these functions can be enabled at a time.
When used for the telescope function, push controller to the
right to extend the boom. Push controller to the left to retract
the boom.
When crane is equipped with an optional luffing jib, the luffing
jib function is also operated by this controller. Operator must
enable the boom lift or luffing jib function using the related
Enable/Disable Switch for the function to operate. Only one
of these functions can be enabled at a time.
When used for the luffing jib function, push controller to the
right to lower the jib. Push controller to the left to raise the jib.
Deadman Switches (Optional) (Dual Axis)
Deadman Switches (3, Figure 3-9) (Optional) (Dual Axis) are
located on the front of both controllers.
Either Deadman Switch can be used to keep the crane
functions active when the operator stands up out of the seat
(causing the seat switch to open and stop craning functions).
Refer to
Seat Switch , page 3-26.
Horn Button
The Horn Button (4, Figure 3-9) is located on the upper front
of the right controller.
Push button to operate the horn.
Hoist Speed Toggle Switches
The Hoist Speed Toggle Switches (5, Figure 3-9) are thumb
operated three-position center spring return switches located
on top of each controller.
Push and release switch closest to the operator to change
hoist speed to high – push and release switch again to return
hoist speed to normal.
Push and hold switch farthest from the operator to change
hoist speed to high – release switch to return hoist speed to
normal.
NOTE: Hoist speed cannot be changed while hoist is
operating. Before changing hoist speed, the
controller must be in the Neutral (center) position.
Jog Dial
The Jog Dial (6, Figure 3-9) is located on the right armrest.
The Jog Dial is used to select and perform functions through
the Operator Display Module (ODM) and the Rated Capacity
Limiter Display Module (RDM). (Refer to
Navigating the
Operator Display Module and Rated Capacity Limiter Display
Module
, page 4-67 for more information on jog dial
operation).
Heater/Air Conditioner Vents
Two Heater/Air Conditioner Vents (7, Figure 3-9) are located
on the right side of the cab, and one vent is located under the
seat assembly.
The vents can be adjusted to control the amount and
direction of air passing through them.
Main Hoist Enable/Disable Switch
The Main Hoist Enable/Disable Switch (8, Figure 3-9) is a
two-position momentary switch that is located on the right
armrest.
Push switch one time to enable the main hoist function. Push
switch again to disable the main hoist function.
Quickly push the switch two times to enable the main hoist
function at high speed. The high speed function can also be
enabled by pushing and holding the switch for approximately
2 seconds.
The Main Hoist Enable/Disable Indicator shows green in the
Status Bar (Figure 4-73) of the Operator Display Module
(ODM) when the main hoist function is enabled. The
indicator goes off when the main hoist function is disabled.
The Main Hoist High Speed Indicator in the Status Bar
(Figure 4-73) comes on when the high speed function is
enabled.
Enabling one craning function (hoist, lift, telescope, or swing)
using its related Enable/Disable Switch will cause the engine