ARMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
CHAPTER 2
OPERATING INSTRUCTIONS
Page
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-1
Section l.
Description and Use of Operator’s Controls and lndicators . . . . . . . . . . . . . . . . . . . . 2-1
Section Il.
Preventive Maintenance Checks and Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . 2-4
Section lll.
Operation Under Usual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-7
Section IV.
Operation Under Unusual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-10
OVERVIEW
This chapter contains instructions and procedures required to operate the engine safely and efficiently.
Section I. DESCRIPTION AND USE OF OPERATORS’ CONTROLS AND INDICATORS
Paragraph
Page
2-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-1
2-2
Operator’s Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-1
2-1. General. This section contains a list of operator controls and indicators and a description of their use.
2-2. Operator’s Control and lndicators. The following is a list of operator controls and indicators for all
models of the 3 HP Military Standard Engine. Although the appearance of the engine may vary between models
the location and function of the controls and indicators are similar (figure 2-1).
Key
1
2
3
4
5
Control or Indicator
Choke
Air Cleaner Service Indicator
Throttle Control Models 2A016-2, -3,
and -4
Oil Filler Tube and Gage
Ignition Switch Models 2A016-2, -3,
and -4
Function
Used during engine start-up to reduce airflow
through carburetor, making starting easier.
Indicates to operator when air cleaner requires
servicing.
Allows operator to regulate speed of engine
between idle speed and full governed speed.
Allows operator to check oil level in engine, and
provides means for adding oil as needed.
Used to stop engine.
2-1
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