Machine Controls And Instrumentation; Chapter Overview; Machine Controls; Drive Control - Terex ASV SR70 Service & Repair Manual

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Chapter Overview

This chapter contains an overview of the machine con-
trols and instrumentation. For further information
regarding machine controls, instrumentation or opera-
tion, refer to the operation and maintenance manual
for the SR-70/80. Included here are illustrations of the
following controls and instrumentation components and
a description of their functions.

Machine Controls

Guage Location and Function
Switch Location and Function
Machine Controls
There are three primary machine controls: lift arm con-
trol (1), drive control (2) and throttle (3).
Lift Arm Control
The lift arm control (1) is a pilot operated joystick that
allows the operator to raise or lower the lift arms and
dump or curl the quick attach mechanism.

Drive Control

The drive control (2) is also a pilot operated joystick. It
allows the operator to change the direction and speed
of the machine.

Throttle

The foot throttle (3) controls engine rpm.
2
5-1
(fig. 5-1)
3
1
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5. Machine Controls and
Instrumentation
The Instruments (Figure 5-2) are positioned in the lap
bar for good visibility and when seated inside the oper-
ator enclosure. Instruments include the following com-
ponents.
(1) Engine Temperature Gauge
(2) Multi-Gauge
• Oil Pressure Gauge
• Hyd. Oil Temperature Gauge
• Fuel Gauge
• Voltmeter
(3) Tachometer
(4) Indicator Light Display
• High Range Indicator
• Low Range Indicator
• Glow Plug Operation Indicator
• Parking Brake Indicator
1
5-2
If the engine coolant temperature, engine oil pressure or
hydraulic oil temperature gauges read above normal (or
below normal for engine oil pressure) during normal machine
operation, shut the machine down immediately. Diagnose the
problem and make any necessaryrepairs before continuing to
operate the machine.
If the battery low-voltage light illuminates, drive the machine
to a suitable location and shut the engine off. Diagnose the
problem and make needed repairs before continuing to oper-
ate.
The glow plug operation light illuminates only when the
key switch is turned to engine pre-heat, showing nor-
mal operation.
5-1
Instrumentation
2
3
4
NOTICE
NOTICE

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