New Holland TS-100A Assembly & Instruction Manual page 98

CONTROL VALVE - BOOM & MOTOR CONTROL
Maverick Boom and Motor Control Circuits
It is advised that this section be read before proceeding with any repairs or test,
with the display and electronics used in this application the system will test many
components for you. This is done by following the prompts on the display screen.
DO NOT pressure wash this system, while the components are sealed the soaps, acid and
high water pressure used in the pressure washer can damage these seals and cause moisture
to enter system causing damage.
DO NOT do any welding around these electronic components, If welding is required in a
repair the electronic components MUST be disconnected (unplugged). Un plug all components,
Joystick, Modules, Displays and any other electronic component. If not unplugged the current from
the welded can cause serious damage to electronic components.
Additional repair and diagnostic procedures for the electrical system is available on the
internet web site of the manufacture of this system at: REFERENCE PRODUCT MANUAL FOR
MDM DISPLAY. THIS MANUAL IS AVAILABLE FROM THE MANUFACTURER ON THE
INTERNET AT www.iqan.com viewable and printable with ADOBE ACROBAT READER. If
you do not have Adobe Acrobat Reader it can be obtained at www.adobe.com. Make certain
that the instructions you refer to is for the MDM system, the manufacturer has more than one
system.
The boom and motor control is electronic over hydraulics. If these functions are not
properly set or working properly the mower can not be operated. Also make certain that all fluid
levels are OK and with in operating limits.
The first thing that should be checked is the main (electrical) power supply to the system,
this can be checked on the display unit when power is on.
The set-up portion as shown in the next pages should be checked to make certain the
joystick and motor functions are set correctly. Check all the connections if not operating properly.
If the settings are not correct the system will not function properly.
Check the emergency stop (E-Stop) switch if it is in the off position the system will not
operate and the system cannot be set properly.
Never short across any of these components as the type electronics used can be
seriously damaged. Always use a volt / ohm meter to test any circuits.
New Holland (NH TS-100A, 115A, 125A, 135A Asy. Man) 01/05
© 2005 Alamo Group Inc.
:
Section 10 - 4