Manitowoc Grove GRT8120 - Page 75

Grove Published 3-22-2021, Control # 702-02 3-1
GRT8120 OPERATOR MANUAL OPERATING CONTROLS AND FEATURES
3
SECTION 3
OPERATING CONTROLS AND FEATURES
SECTION CONTENTS
Operator Cab Overview. . . . . . . . . . . . . . . . . . . . . . . . 3-3
Steering Wheel and Column. . . . . . . . . . . . . . . . . . . . 3-4
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Turn Signal Lever and Horn Controls . . . . . . . . . . . . 3-5
Parking Brake Switch . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Headlights Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Drive Axle Selector Switch . . . . . . . . . . . . . . . . . . . . 3-5
Hazard Lights Switch . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Transmission Shift Lever . . . . . . . . . . . . . . . . . . . . . . 3-6
Ignition Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Steering Column Tilt and Telescope Lock Lever. . . . 3-6
Right Overhead Control Panel . . . . . . . . . . . . . . . . . . 3-7
Heater/Air Conditioner Fan Speed Switch. . . . . . . . . 3-8
Heater/Air Conditioner Temperature Control Switch . 3-8
Fresh Air/Recirculation Air Switch . . . . . . . . . . . . . . . 3-8
Boom-Mounted Lights Motor Switch (Optional). . . . . 3-8
Boom-Mounted Lights Switch (Optional) . . . . . . . . . . 3-8
Cab-Mounted Lights Switch. . . . . . . . . . . . . . . . . . . . 3-8
Front Window Wiper and Washer Switch . . . . . . . . . 3-8
Skylight Wiper and Washer Switch . . . . . . . . . . . . . . 3-8
Increment/Decrement – Start/Stop Switch . . . . . . . . 3-8
Engine Wait-To-Start Indicator . . . . . . . . . . . . . . . . . 3-9
Remote Control Enable/Disable Switch. . . . . . . . . . . 3-9
Crane Function Enable/Disable Switch . . . . . . . . . . . 3-9
Momentary Limit Bypass Switch (Non-CE Certified
Cranes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Limit Bypass Set-Up Switch (CE Certified Cranes) . 3-10
Boom Up Bypass Switch . . . . . . . . . . . . . . . . . . . . . 3-11
Emergency Stop Button. . . . . . . . . . . . . . . . . . . . . . 3-12
Cab Dome Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Left Overhead and Side Panel . . . . . . . . . . . . . . . . . 3-13
Coat Hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
USB Charging Ports . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Auxiliary Light and Switch . . . . . . . . . . . . . . . . . . . . 3-14
Mobile Phone Holder . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Heater/Air Conditioner Vents. . . . . . . . . . . . . . . . . . 3-14
Right Lower Control Panel . . . . . . . . . . . . . . . . . . . . 3-15
Turntable Swing Lock Pin Control Handle. . . . . . . . 3-16
12-Volt Outlet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Engine On-Board Diagnostic (OBD) Connector . . . 3-16
Rated Capacity Limiter Display Module and Operator
Display Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Rated Capacity Limiter Display Module (RDM) . . . . 3-18
Operator Display Module (ODM) . . . . . . . . . . . . . . . 3-18
Navigation Control Pad . . . . . . . . . . . . . . . . . . . . . . 3-18
USB Diagnostic Connector . . . . . . . . . . . . . . . . . . . .3-19
RCL Shutdown Warning Indicator
(Non-CE Certified Cranes) . . . . . . . . . . . . . . . . . . .3-19
RCL Shutdown Warning Indicator
(CE Certified Cranes) . . . . . . . . . . . . . . . . . . . . . . .3-19
RCL Early Warning Indicator. . . . . . . . . . . . . . . . . . .3-19
Anti-Two-Block (A2B) Indicator . . . . . . . . . . . . . . . . .3-19
Swing Brake Engaged Indicator . . . . . . . . . . . . . . . .3-19
Brightness Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . .3-19
Internal Temperature Warning Indicator . . . . . . . . . .3-19
Operator Seat and Armrest Controls (Dual Axis). . .3-20
Cup Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-22
Boom Lift – Main Hoist – Telescope – Luffing
Jib Controller (Dual Axis) . . . . . . . . . . . . . . . . . . . .3-22
Deadman Switches (Optional) (Dual Axis) . . . . . . . .3-22
Horn Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-22
Hoist Speed Toggle Switches . . . . . . . . . . . . . . . . . .3-22
Jog Dial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-22
Heater/Air Conditioner Vents . . . . . . . . . . . . . . . . . .3-22
Main Hoist Enable/Disable Switch . . . . . . . . . . . . . .3-22
Luffing Jib Enable/Disable Switch (Optional) . . . . . .3-23
Boom Telescope Enable/Disable Switch . . . . . . . . .3-23
Boom Lift Enable/Disable Switch . . . . . . . . . . . . . . .3-23
Seat Lumbar Support Adjustment Lever . . . . . . . . . .3-23
Seat Slide Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-23
Auxiliary Hoist Enable/Disable Switch. . . . . . . . . . . .3-23
Cab Tilt Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-23
Swing Enable/Disable Switch . . . . . . . . . . . . . . . . . .3-24
Outrigger Extend/Retract Switch. . . . . . . . . . . . . . . .3-24
Differential Lock Switch (Optional) . . . . . . . . . . . . . .3-24
Rear Steer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .3-24
Swing Brake Release Button . . . . . . . . . . . . . . . . . .3-25
Swing/Telescope or Swing/Auxiliary Hoist
Controller (Dual Axis) . . . . . . . . . . . . . . . . . . . . . . .3-25
Seat Backrest Adjustment Lever. . . . . . . . . . . . . . . .3-25
Seat Adjustment Control Panel . . . . . . . . . . . . . . . . .3-25
Armrest Adjustment Buttons . . . . . . . . . . . . . . . . . . .3-26
Seat Heat Switch (Optional) . . . . . . . . . . . . . . . . . . .3-26
Seat Headrest (Not Shown) . . . . . . . . . . . . . . . . . . .3-26
Hoist Rotation Indicators . . . . . . . . . . . . . . . . . . . . . .3-26
Seat Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-26
Optional Single Axis Controllers . . . . . . . . . . . . . . . .3-27
Swing Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-28
Telescope or Auxiliary Hoist Controller . . . . . . . . . . .3-28
Boom Lift – Telescope – Luffing Boom
Extension Controller . . . . . . . . . . . . . . . . . . . . . . . .3-28