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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 PT-100G. Included here are illustrations of the
following controls and instrumentation components and
a description of their functions.
Machine Controls
Operator Interface
•
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 an electronic joystick that
allows the operator to raise or lower the lift arms and
dump or curl the quick attach mechanism. Item 4
(found on the lift arm control) is a switch that controls
variable low flow auxiliary hydraulic operation.
Drive Control
The drive control (2) is also an electronic joystick. It
allows the operator to change the direction and speed
of the machine. Item 5 (found on the drive control) is
the 2-speed activation switch (trigger). Item(s) 6 (also
found on the drive control) are buttons that send elec-
trical signals to attachments connected to the outlet
located at the end of the lift arms.
Throttle
The mechnical foot throttle (floor mounted pedal,
item 3) controls engine rpm.
6
5
2
5-1
(fig. 5-1)
4
1
3
5. Machine Controls and
Instrumentation
The Instruments (Figure 5-2) are positioned in the
dash panel for good visibility and when seated inside
the operator enclosure. Instruments include the follow-
ing components.
(7) Display
• Oil Pressure Gauge
• Hyd. Oil Temperature Gauge
• Fuel Gauge
• Voltmeter
• Tachometer
• Speedometer
• Air Inlet Temperature
• Coolant Temperature
• Engine Hours
• Trip Hours
(8) Indicator Light Display
• High Range Indicator
• Glow Plug Operation Indicator
8
7
5-2
Should an alarm message be displayed on the opera-
tor interface during normal operation indicating low
engine oil pressure, excessive hydraulic oil tempera-
ture or excessive engine coolant temperature, shut the
machine down immediately (in a safe location).
Diagnose the problem and make needed repairs
before resuming operation.
The engine may automatically derate or shut down if
necessary, but as a precaution, always shut the
machine down if any of these alarm messages appear
during operation to prevent damage.
The glow plug operation light illuminates only when
engine pre-heat is activated, showing normal opera-
tion.
5-1
Instrumentation
NOTICE
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Troubleshooting
