Grove Published 3-22-2021, Control # 702-02 B-5
GRT8120 OPERATOR MANUAL
Rope, Hoist ................................................................... 5-55
RPM Indicator
............................................................... 3-56
S
Seat Adjustment Control Panel ............................3-21, 3-25
Seat Backrest Adjustment Lever
..........................3-21, 3-25
Seat Belts
...................................................................... 4-12
Seat Headrest
......................................................3-21, 3-26
Seat Heat Switch
.................................................3-21, 3-26
Seat Lumbar Support Adjustment Knob
..............3-21, 3-23
Seat Slide Lever
...................................................3-21, 3-23
Seat Switch
..........................................................3-21, 3-26
Seat, Operator
.............................................................. 3-20
Selecting the Hoist Speed Range
................................. 4-49
Semi-Automatic Telescoping Mode
.............................. 4-38
Sensor, Brightness
...............................................3-17, 3-19
Sensors, Boom Extension
............................................. 5-25
Service Brake Pedal
............................................3-29, 3-30
Shutdown Procedure, Crane
......................................... 4-10
Skylight Sun Shade
....................................................... 3-39
Skylight Sunscreen
....................................................... 3-38
Skylight Window Latch
.........................................3-38, 3-39
Skylight Wiper and Washer Switch
..........................3-7, 3-8
Slope Limitations
Fore/Aft
.................................................................. 4-14
Side Slope
.............................................................. 4-15
Sockets, Wedge
............................................................ 5-18
Speakers
..............................................................3-34, 3-35
Start/Stop - Increment/Decrement Switch
................3-7, 3-8
Start-up Procedure
.......................................................... 4-8
Status Indicator (On Remote Control Unit)
..........3-53, 3-55
Steer Switch, Rear
...............................................3-21, 3-24
Steering
......................................................................... 4-17
Steering Column Tilt and Telescope Lock Lever
.....3-4, 3-6
Steering Wheel
........................................................3-4, 3-5
Steering Wheel Column Controls
.................................... 3-4
Stowing and Parking the Crane
.................................. 4-178
Strength Indicator, Transmission
.................................. 3-56
Strobe Light
................................................................... 3-43
Sun Visor
.............................................................3-32, 3-33
Swing Brake Engaged Indicator
...........................3-17, 3-19
Swing Brake Pedal
...............................................3-29, 3-30
Swing Brake Release Button
...............................3-21, 3-25
Swing Button
........................................................3-53, 3-54
Swing Controller
............................................................ 3-25
Swing Controller (Dual Axis)
......................................... 3-21
Swing Controller (Single Axis)
.............................3-27, 3-28
Swing Drive and Turntable Bearing
Warm-Up Procedure
.................................................. 4-11
Swing Enable/Disable Switch
..............................3-21, 3-24
Swing Lock Indicator, 360 Degree (On Remote
Control Unit)
............................................................... 3-56
Swing Lock Pin Control Handle, Turntable
..........3-15, 3-16
Swinging the Boom and Superstructure
....................... 4-22
Switch
Auxiliary Hoist Enable/Disable
......................3-21, 3-23
Auxiliary Light
............................................... 3-13, 3-14
Battery Disconnect
..................................................3-45
Boom Lift Enable/Disable
............................. 3-21, 3-23
Boom Mounted Lights (Optional)
...................... 3-7, 3-8
Boom Mounted Lights Motor (Optional)
............ 3-7, 3-8
Boom Telescope Enable/Disable
.................. 3-21, 3-23
Boom Up Bypass
............................................ 3-7, 3-11
Bridging (CE Certified Cranes)
...............................3-42
Cab Mounted Lights
.......................................... 3-7, 3-8
Cab Tilt
......................................................... 3-21, 3-23
Crane Function Enable/Disable
........................ 3-7, 3-9
Deadman (Dual Axis)
.................................... 3-21, 3-22
Differential Lock (Optional)
........................... 3-21, 3-24
Drive Axle Selector
........................................... 3-4, 3-5
Fresh Air/Recirculation Air
................................ 3-7, 3-8
Front Window Wiper and Washer
..................... 3-7, 3-8
Hazard Lights
.................................................... 3-4, 3-6
Headlights
......................................................... 3-4, 3-5
Heater/Air Conditioner Fan Speed
.................... 3-7, 3-8
Heater/Air Conditioner Temperature Control
.... 3-7, 3-8
Hoist Speed Toggle
...................................... 3-21, 3-22
Ignition
.............................................................. 3-4, 3-6
Increment/Decrement - Start/Stop
.................... 3-7, 3-8
Limit Bypass Set-up (CE Certified Cranes)
.... 3-7, 3-10
Luffing Jib Enable/Disable
............................ 3-21, 3-23
Main Hoist Enable/Disable
............................ 3-21, 3-22
Maintained Limit Bypass Switch (Non-CE
Certified Cranes)
........................................ 3-34, 3-37
Momentary Limit Bypass (Non-CE
Certified Cranes)
.......................................... 3-7, 3-10
Outrigger Extend/Retract
.............................. 3-21, 3-24
Parking Brake
................................................... 3-4, 3-5
Rear Steer
.................................................... 3-21, 3-24
Remote Control Enable/Disable
....................... 3-7, 3-9
Seat
.............................................................. 3-21, 3-26
Seat Heat
...................................................... 3-21, 3-26
Skylight Wiper and Washer
.............................. 3-7, 3-8
Swing Enable/Disable
................................... 3-21, 3-24
T
Telescope Controller (Dual Axis)
with Auxiliary Hoist
........................................ 3-21, 3-22
without Auxiliary Hoist
................................... 3-21, 3-25
Telescope Controller (Single Axis)
................................3-27
with Auxiliary Hoist
..................................................3-28
without Auxiliary Hoist
.............................................3-28
Telescope Enable/Disable Switch
....................... 3-21, 3-23
Telescoping the Boom
...................................................4-23
Throttle Pedal
...................................................... 3-29, 3-30
Tilt Switch, Cab
.................................................... 3-21, 3-23
Transmission Indicator (On Remote Control Unit)
.........3-56
Transmission Shift Lever
......................................... 3-4, 3-6
Transmission Strength Indicator
....................................3-56
Transmission Warm-Up Procedure
...............................4-11
Transporting, Setup of Crane
..........................................5-2
Traveling
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