Grove Published 04-04-2017, Control # 446-09 3-1
RT770E OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
SECTION 3
OPERATING CONTROLS AND PROCEDURES
SECTION CONTENTS
Controls and Indicators . . . . . . . . . . . . . . . . . . . . . 3-2
Steering Column . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Turn Signal Lever and Windshield Wiper/Washer/
Headlight /Horn Controls. . . . . . . . . . . . . . . . . . . . 3-3
Steering Column Adjustment Lever . . . . . . . . . . . 3-3
Park Brake Control Switch . . . . . . . . . . . . . . . . . . 3-3
Headlights Switch . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Drive Axle Selector Switch . . . . . . . . . . . . . . . . . . 3-4
Hazard Lights Switch . . . . . . . . . . . . . . . . . . . . . . 3-4
Engine Diagnostic and Engine Speed Control
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Ignition Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Transmission Shift Lever . . . . . . . . . . . . . . . . . . . 3-5
Cab Overhead Controls . . . . . . . . . . . . . . . . . . . . . 3-5
Skylight Window Latch . . . . . . . . . . . . . . . . . . . . . 3-5
Skylight Wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Skylight Sunscreen . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Dome Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Cab Circulating Fan . . . . . . . . . . . . . . . . . . . . . . . 3-5
Right Side Window Latch . . . . . . . . . . . . . . . . . . . 3-5
Overhead Control Panel. . . . . . . . . . . . . . . . . . . . . 3-6
Heater/Air Conditioner Fan Switch . . . . . . . . . . . . 3-6
Heater Control Switch . . . . . . . . . . . . . . . . . . . . . . 3-6
Air Conditioner Switch. . . . . . . . . . . . . . . . . . . . . . 3-6
Skylight Wiper Switch . . . . . . . . . . . . . . . . . . . . . . 3-6
Panel Dimmer Switch . . . . . . . . . . . . . . . . . . . . . . 3-6
Work Lights Switch . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Boom Lights Switch (Optional) . . . . . . . . . . . . . . . 3-7
Crane Function Power Switch. . . . . . . . . . . . . . . . 3-7
Hoist Rotation Indicator Display . . . . . . . . . . . . . . 3-7
EXHAUST System Cleaning Switch (Tier 4
Engines Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Boom Section 1/Section 2 Selector Switch and
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Boom Manual/Automatic Mode Selector Switch
and Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Boom A/B Mode Selector Switch and Indicator . . 3-8
Boom Recovery Mode Switch and Indicator. . . . . 3-8
Steering Column Indicator and Gauge Display . . 3-9
Swing Brake Engaged . . . . . . . . . . . . . . . . . . . . 3-10
Parking Brake Engaged . . . . . . . . . . . . . . . . . . . 3-10
Light Malfunction. . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Emergency Stop . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Hydraulic Oil High Temperature . . . . . . . . . . . . . 3-10
Transmission Warning . . . . . . . . . . . . . . . . . . . . . 3-10
Low Steer Pressure (Optional on CE Units) . . . . 3-10
Left Turn Signal Indicator. . . . . . . . . . . . . . . . . . . 3-10
Low Brake Pressure . . . . . . . . . . . . . . . . . . . . . . 3-10
Electronic Module Indicator . . . . . . . . . . . . . . . . . 3-10
Electronic System Diagnostic . . . . . . . . . . . . . . . 3-10
LCD Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Engine Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Engine Warning . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Diesel Particulate Filter (Tier 4 Engines Only). . . 3-11
Right Turn Signal Indicator . . . . . . . . . . . . . . . . . 3-12
Inhibit Regeneration. . . . . . . . . . . . . . . . . . . . . . . 3-12
Diesel Exhaust Fluid (Tier 4 Engines—2014
and Later Only) . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
High Exhaust System Temperature. . . . . . . . . . . 3-12
Engine Wait-to-Start . . . . . . . . . . . . . . . . . . . . . . 3-12
Four-Wheel Drive Engaged . . . . . . . . . . . . . . . . . 3-12
Axle Differential Locked . . . . . . . . . . . . . . . . . . . . 3-12
Rear Wheels Not Centered Indicator. . . . . . . . . . 3-12
Engine Coolant Temperature Gauge. . . . . . . . . . 3-12
Fuel Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Low Fuel Level. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Battery Charge Indicator . . . . . . . . . . . . . . . . . . . 3-13
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Control Seat Assembly (Single Axis) . . . . . . . . . 3-14
Main Hoist Joystick (Single Axis). . . . . . . . . . . . . 3-14
Boom Lift Joystick (Single Axis). . . . . . . . . . . . . . 3-14
Boom Lift and Main Hoist Joystick (Dual Axis
Option—Not Shown) . . . . . . . . . . . . . . . . . . . . . . 3-14
Main Hoist Speed Selector Switch. . . . . . . . . . . . 3-14
Telescope or Auxiliary Hoist Joystick
(Single Axis). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Swing Joystick (Single Axis) . . . . . . . . . . . . . . . . 3-15
Swing and Telescope or Swing and Auxiliary
Hoist Joystick (Dual Axis Option—Not Shown) . . 3-15
Auxiliary Hoist Speed Selector Switch (Optional) 3-15
Rear Steer Switch . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Swing Brake Control Switch . . . . . . . . . . . . . . . . 3-15
Axle Differential Lock Control Switch (Optional) . 3-16
Cab Door Release . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Seat Back Adjustment . . . . . . . . . . . . . . . . . . . . . 3-16
A/C Heater, Climate Control . . . . . . . . . . . . . . . . 3-16
Seat Slide Lever . . . . . . . . . . . . . . . . . . . . . . . . . 3-16