4-1
4. Machine Controls
and Instrumentation
Chapter Overview
This chapter contains an overview of the machine
controls and instrumentation. It includes an illustra-
tion of the following controls and instrumentation
components and a description of their functions.
• Machine controls
• Dash panel
• Gauge/warning light panel
Machine Controls
There are three primary machine controls (Figure
4-1): a loader control (1), drive control (2) and throt-
tle (3).
Loader Control
The loader control allows the operator to raise, lower
and pivot the attachment using a simple, pilot-
operated joystick.
Figure 4-1 4-001
Drive Control
The drive control allows the operator to change di-
rections and speed using a simple, pilot-operated
joystick.
Throttle
The throttle controls engine rpm. Use lower rpm
when performing work that requires precise control
of the machine. Use higher rpm when faster travel
speed or maximum horsepower is required. Engine
rpm also directly controls the speed of the hydraulic-
powered attachments, such as an auger.
Dash Panel
The dash panel (Figure 4-2) is positioned for easy
visibility in the “heads up” position inside the opera-
tor’s enclosure. The dash panel includes the follow-
ing components.
(1) Interior light
(2) Slope indicator
(3) Switch panel
(4) Ignition switch
(5) Gauge/warning light panel
Figure 4-2 4-002
1 2 5 4 3
1
3
2
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