MIL-DTL-46821D(AT)
3.2.7.4.2 Safety switch. With the safety switch "ON", and the light switch assembly in
normal position, the main light switch (see table I) shall be operable only in the "OFF" or "bo"
marker position. The main light switch shall be turnable to "service drive", or "stop light"
positions, as specified in table I, only when the safety switch is simultaneously held in the
unlocked position (see 4.6.4).
3.2.7.4.3 Engine indicator circuits. Engine indicator gages and lights shall indicate as
shown in table II (see 4.6.4).
Table II. Indicator gages and lights.
Indicator gage or light
Indication
With indication switch "OFF"
1. Battery generator (batt-gen) indicator
Actual battery voltage.
2. Other gages and indicator lights
Lights off gages do not register.
With ignition switch "ON" - engine not running
1. Batt-gen indicator
Actual battery voltage.
2. Fuel level gage
Correct quantity of fuel.
3. Engine and transmission (eng and trans)
On.
low oil pressure warning lights
4. Transmission, differential, hydraulic,
Off (unless oil, hydraulic, or water in high
(trans, diff, hyd) and water high
temperature range, or unless indicator
temperature (temp) warning lights
lights test switch is depressed.)
5. Indicator lights test switch actuated
All indicator warning lights on.
Engine running at fast idle
1. Batt-gen indicator
Actual generator (voltage regulator) voltage.
2. Fuel level gage
Correct quantity of fuel.
3. All indicator warning lights
Off, except as specified in 4 above.
4. Indicator lights test switch actuated
All indicator warning lights on.
3.2.7.5 Auxiliary power outlet. Auxiliary 24 Vdc power fused at 15 amperes (A) shall be
provided at the utility outlet (se 4.6.4).
3.2.7.6 Engine starting lockout control. With the drive selector lever in any position
other than neutral (N), the engine starter electrical circuit shall be inoperative (see 4.6.4).
3.2.8 Superstructure.
3.2.8.1 Superstructure controls. With the superstructure manual operating controls in
"NEUTRAL" position, the superstructure shall remain approximately as positioned. Operation of
the controls shall provide smooth, positive actuation of the superstructure, throughout all ranges
of azimuth, elevation, roll, and extension, under all operational conditions (see 4.6.4).
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