ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
Page
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-1
Description and Use of Operator's Controls and lndicators . . . . . . . . . . . . . . . . . . . . 2-1
Section l.
Preventive Maintenance Checks and Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . 2-4
Section Il.
Operation Under Usual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-7
Section lll.
Operation Under Unusual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-7
Section IV.
OVERVIEW
This chapter contains instructions and procedures required to operate the engine safely and efficiently.
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS
Page
Paragraph
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-1
Operator's Controls and lndicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...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 20 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).
1
Manual Choke
Used during engine start-up to reduce air flow
through carburetor, making starting easier.
Indicates to operator when air cleaner requires
2
Air Cleaner Service Indicator
servicing.
Allows operator to regulate speed of engine
Governor Control
3
between idle speed and full governed speed.
Allows operator to check oil level in engine, and
Oil Fill Tube and Gage
4
provides means for adding oil as needed.
Positions oil pan baffle for hot and cold weather
Oil Pan Baffle Control Rod
5
operation.