TM 5-4320-300-14
Table 2-1. Operator's Controls and Indicators - Continued
Control or
Key
Indicator
Function
7
Starting aid control
Releases ether into engine air supply. Mechanically connected to
knob
ether cylinder by control cable. Pulling control releases ether;
pushing it in shuts it off.
8
Ammeter
Indicates battery charge or discharge in amperes (A). Electrically
connected in series to battery circuit. Graduated in 30 A incre-
ments from 0 to +60 A and 0 to -60 A.
9
Stop handle
Stops engine. Mechanically connected through the air shutoff
control wire to the mechanical governor. Pulling handle stops
engine operation through fuel starvation.
10
START pushbutton
Starts engine. Electrically connected to a relay which allows
electric current to flow to the starting solenoid. The starting
solenoid then allows current to flow to the starter motor.
11
Throttle
Controls engine speed. Coupled to governor through a control wire.
Uses a pushbutton lock. Pulling the throttle increases engine speed;
pushing it in decreases engine speed.
12
Tachometer
Indicates engine speed in revolutions per minute (rpm) and elapsed
time in hours, tenths, and hundredths. Mechanically coupled to
rotating cable that is connected to the governor drive gear. Gradu-
ated in 100 rpm increments from 0 to 3500 rpm. The elapsed time
meter will record up to 9999.99 hours of operation.
13
Restriction
Indicates blockage of air filter A red signal appears to indicate the
indicator
need for cleaning or replacement. Indicator is connected to air
inlet housing by a flexible hose, and is actuated by high negative
pressure. Indicator can be reset.
Section II. OPERATOR/CREW PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
2-1.
GENERAL
a.
Before you operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your before (B) PMCS.
b.
While you operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your during (D) PMCS.
c.
After you operate. Be sure to perform your after (A) PMCS.
d.
If your equipment fails to operate. Troubleshoot with proper equipment. Report any deficiencies using the proper
forms; see TM 38-750.
2-2
