Manitowoc Grove GRT8100 User Manual

OPERATING CONTROLS AND PROCEDURES GRT8100 OPERATOR MANUAL
3-4 Published 3-25-2020, Control # 595-10
Steering Column Tilt Lever
The steering control column can be rotated rearward
approximately 30° and raised approximately 60 mm (2.3 in).
Rotate control lever (2) Figure 3-2 down to lock steering
column in place. Rotating lever up releases steering column
for adjustment.
Park Brake Control Switch
Park Brake Control Switch (3) Figure 3-2 is located on front
of steering column. This two-position rocker switch
(ON/OFF) is used to apply and release the parking brake on
the drive line. The red Park Brake Indicator light on the
display is illuminated when pressure switch in the brake
release system is activated and brake is applied.
Headlights Switch
The Headlights Switch (4) Figure 3-2 is located on the front
of the steering column. This three-position rocker switch
(OFF/Park/Headlight) controls operation of the instrument
lights, switch LED’s, and the marker lights on the front, rear,
and side of the crane. The switch is illuminated when the key
is in the ON or Start position.
Drive Axle Selector Switch
Drive Axle Selector Switch (5) Figure 3-2 is located on front
of the steering column and is illuminated when key is in the
ON or Start position. This two-position rocker switch is used
to select two-wheel drive (high range) or four-wheel drive
(low range).
The switch controls a solenoid valve (energized for
two-wheel drive) that operates speed range and axle
disconnect cylinders on the transmission.
The drive axle can only be changed when gearshift is in
Neutral and brake pedal is pressed.
The icon background on the CCS operating display turns
yellow when crane is in four-wheel drive mode. This icon will
flash if switch position is changed when engine is running,
transmission is not in Neutral, and brake pedal is not
pressed.
Hazard Lights Switch
Hazard Lights Switch (6) Figure 3-2 is located on front of the
steering column and is a two-position rocker switch
(ON/OFF). When switch is positioned ON, four turn signal
lights and turn signal indicator lights on steering column flash
at the same time.
Increment/Decrement Switch
The Increment/Decrement Switch (7) (Figure 3-2) is a three
position momentary rocker switch with center maintained
position being off. Use this switch to adjust engine speed
(RPM). Press top or bottom of the Increment/Decrement
Switch to increase or decrease low engine idle.
Quickly press top of switch once to go to full engine RPM.
Quickly press bottom of switch once to return to low engine
idle.
If engine speed is below maximum RPM setting, pressing
and holding top of switch will cause engine RPM to slowly
increase. Release switch at desired RPM.
If engine speed is above minimum RPM setting, pressing
and holding bottom of switch will cause engine RPM to
slowly decrease. Release switch at desired RPM.
Ignition Switch
The Ignition Switch (8) Figure 3-2 is located on the right side
of the steering column and under the transmission shift lever
(9). The switch is key-operated and has three positions: OFF
[0], RUN [1], and START [2].
In the OFF position, all electrical power is off except for lights
controlled by the Headlights Switch, turn/hazard/stop lights,
dome light and work light.
Positioning switch to RUN energizes all electrical
components except for the start solenoid and engine ECM;
the ignition circuit is also energized.
Positioning switch to START energizes the start relay, which
in turn energizes the cranking motor solenoid and cranks the
engine for starting. The switch is spring returned from
START to RUN. To shut down engine, position switch to OFF.
The Ignition switch has a built-in mechanical anti-restart. If
engine does not start after the first attempt, key switch must
go to OFF position, then back to START to attempt starting
the engine.
Transmission Shift Lever
The Transmission Shift Lever (9) Figure 3-2 is located on the
right side of the steering column. The control lever operates
the transmission selector valve electrically. Positioning the
CAUTION
Avoid Crane Damage!
Do not engage the parking brake while the vehicle is
moving. Damage to the crane can occur.
Disengage the parking brake before driving. Damage to
the crane can occur.
CAUTION
Transmission Damage!
To prevent transmission damage: shift between
two-wheel and four-wheel drive only with crane stopped
and transmission in Neutral.

Manitowoc Grove GRT8100 Specifications

General

Brand	Manitowoc
Model	Grove GRT8100
Category	Construction Equipment
Language	English