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TM 10-4320-256-14&P
CHAPTER 2
OPERATING INSTRUCTIONS
Page
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-1
section I.
Description and Use of Operator’sControls and lndicators . . . . . . . . . . . . . . . . . . . . 2-1
Section Il.
Operator Preventive Maintenance Checks and Services (PMCS) . . . . . . . . . . . . ...2-3
Section Ill.
Operation Under Usual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-6
Section IV.
Operation Under Unusual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
O V E R V I EW
This chapter contains information and procedures required to operate the pump assembly under usual and
unusual conditions, and to inspect and service the equipment before, during and after operation It includes the
following
a. A description of the operator’s controls and indicators.
b. Preventive maintenance procedures to ensure continued serviceability of all components.
c. Procedures for starting, operating and stopping the equipment.
d. Procedures for operating the equipment in dusty or sandy areas, under rainy, humidor salt-air conditions, in
extreme heat, at different altitudes, and in extreme cold.
Section I. DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS
Paragraph
Page
2-1
Operators Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1
2-1. Operator’s controls. The controls required to start, operate and stop the engine, which powers the
pump assembly, are shown in figure 2-1. Their use is described in the following subparagraphs.
a. Starting Rope (1) When the starling rope is wrapped around the starling capstan in a clockwise direction,
and the toggle attached to the end of the rope is pulled sharply by hand, it rotates the engine shaft several
revolutions causing the engine to start, when the other controls are in their normal starting position.
b. Ignition Switch (2) The ignition switch has two positions - RUN and OFF. When the switch is in t RUN
position, the engine can be started and will continue to run until the ignition switch is positioned at OFF, the fuel
control valve is closed, or the fuel supply is exhausted.
c. fuel Control Valve. (3) When the fuel control valve is in the OPEN position, it allows fuel to enter the
engine; when it is in the CLOSED position, the fuel supply is cut off. The valve is closed by turning the knob
clockwise (to the right) and opened by turning the knob counterclockwise (to the left).
2-1
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