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TM 10-4320-307-10
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS
2-1
CONTROLS AND INDICATORS.
Table 2-1. Operator's Controls and Indicators
Key
Control or Indicator
Function
1
ENGINE RPM tachometer/hourmeter
Indicates engine rpm up to 3500 rpm and has an hourmeter
to indicate hours of engine operation.
2
ENGINE TEMPERATURE gauge
Displays coolant water temperature from 120° - 240°F.
3
MANUAL SET ENGINE RPM/AUTO
When pump is in MANUAL mode, engine speed may be con-
SET DISCHARGE PRESSURE
trolled by rotating ENGINE/PUMP CONTROLLER knob.
When pump is In AUTO mode, pump discharge pressure may
be controlled by rotating ENGINE/PUMP CONTROLLER
knob.
4
ENGINE/PUMP CONTROLLER
Allows operator to select either MANUAL or AUTO modes of
MODE CONTROL
control. AUTO should be selected only after normal engine
operating temperature is reached, lube oil pressure and suc-
tion pressure are available, and clutch is engaged.
2-1
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