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Published 10-01-2020 Control # 699-00
GRT9165 SERVICE MANUAL
ELECTRICAL SYSTEM
3
GROVE
SECTION 3
ELECTRICAL SYSTEM
SECTION CONTENTS
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Batteries and Battery Disconnect Switch . . . . . . . 3-2
Jump Starting Hazard . . . . . . . . . . . . . . . . . . . . . . 3-2
Charging the Batteries . . . . . . . . . . . . . . . . . . . . . 3-2
Cab Electrical Panels . . . . . . . . . . . . . . . . . . . . . . 3-2
Carrier Electrical Panel . . . . . . . . . . . . . . . . . . . . . 3-5
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Dielectric Grease . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Visual Inspection and Replacement of Electrical
Harnesses and Cables . . . . . . . . . . . . . . . . . . . . 3-10
General Troubleshooting . . . . . . . . . . . . . . . . . . 3-10
Tools for Troubleshooting . . . . . . . . . . . . . . . . . . 3-11
Swivel Electrical Troubleshooting . . . . . . . . . . . . 3-11
Connector Troubleshooting . . . . . . . . . . . . . . . . 3-11
Alternator/Charging System Troubleshooting . . . 3-12
Alternator Replacement . . . . . . . . . . . . . . . . . . . 3-13
Starter Replacement . . . . . . . . . . . . . . . . . . . . . . 3-13
Battery Replacement . . . . . . . . . . . . . . . . . . . . . 3-14
Steering Column and Dashboard . . . . . . . . . . . . 3-14
Windshield Wiper Assembly Replacement . . . . . 3-18
Windshield Washer Assembly Replacement . . . . 3-18
Skylight Wiper Assembly Replacement . . . . . . . . 3-19
Adjusting Electronic Joysticks . . . . . . . . . . . . . . . 3-20
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . 3-22
Beacon Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Boom Mounted Floodlights . . . . . . . . . . . . . . . . . 3-22
Rear View Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Cold Weather Operation . . . . . . . . . . . . . . . . . . . 3-22
Wind Speed Indicator and Boom Position
Indicator Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Cameras . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
RCL Light Tower . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
DESCRIPTION
General
The electrical system is 24-volt operation with 24-volt
starting, consisting of an alternator and two lead-acid
batteries wired in series. Electrical power is transferred to
and from the carrier and superstructure through the electrical
swivel. The CAN bus system consists of many control
modules which are located on the carrier, superstructure,
boom, and operator’s cab. For more detailed information on
the electrical swivel, refer to
Alternator
A belt-driven (2, Figure 3-1) 24 volt, 110 ampere alternator
with an integral transformer - rectifier unit (1) is mounted on
the engine. It provides power to the crane electrical circuits
and voltage to recharge batteries and maintain them at a full
state of charge.
Summary of Contents for Grove GRT9165
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