9-1
9. Loader/Transmission Controls
Disassembly and Assembly
Chapter Overview
This chapter provides disassembly and assembly
procedures for the loader/transmission controls as-
sembly.
Personal Safety
! WARNING !
Improper operation, lubrication, maintenance or repair
of this product can be dangerous and could result in
injury or death.
Do not operate or perform any lubrication, mainte-
nance or repair on this product until you have read
and understood the operation, lubrication, mainte-
nance and repair information.
Before starting any disassembly or assembly proce-
dures, refer to Chapter 2. Product Safety – Basic
Precautions for personal safety information.
Machine Preparation
! WARNING !
Accidental machine starting can cause injury or death
to personnel working on the machine.
To avoid accidental machine starting, disconnect the
battery cables from the battery and tape the battery
clamps and remove the key.
Place a “Do Not Operate” tag prominently on the ma-
chine to inform personnel that the machine is being
worked on.
Before starting any disassembly or assembly proce-
dures, refer to Chapter 2. Product Safety – Repair
for machine preparation information.
Preliminary Checkout
If troubleshooting is required prior to disassembly or
assembly, refer to Chapter 15. Troubleshooting.
Loader/Transmission Controls
Disassembly and Assembly
Procedures
Disassembly and assembly procedures are provided
for the following loader/transmission control compo-
nents.
• Drive Control Joystick
• Loader Control Joystick
• Loader Float Magnet
• Loader Valve
Note: Procedures are provided for only those
loader/transmission control components listed above.
However, information for removal and installation of other
loader/transmission control components can be obtained
from the Rubber Track Loader Parts List manual.
Note: Refer to Figure 3-2 for an overview of the auxiliary
circuit system and Figure 3-3 for an overview of the drive
loop system.
Loader Control Joystick/Drive
Control Joystick Removal and
Installation
There are two joysticks that control the operation of
the machine: a drive control joystick and a loader
control joystick.
Drive Control Joystick Operation – The left-hand
joystick controls the speed and direction of the ma-
chine. The further the joystick is pushed, the faster
the machine travels. The joystick operates on hy-
draulic charge pressure. When the joystick is moved,
oil is sent to the hydrostatic transmission. The
transmission then delivers oil, in the correct amount,
to the drive motors.
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