TM 9-2320-363-10
2-2.
INSTRUMENT PANEL (Con’t).
Key
Control or Indicator
Function
11
Transfer Case Oil
Indicates oil temperature in transfer case.
Temperature Gage
(a) GREEN BAND. Range of 100-275°F (38-
(All Except M915A2
135°C) is normal.
and M916A1)
(b) YELLOW BAND. Range of 275-300°F (135-
149°C) indicates oil temperature is too high
and gage must be closely monitored.
(c)
RED BAND. Above 300°F (149°C). Disengage
all- wheel drive and perform troubleshooting.
14
Primary Air Pressure
Registers air pressure (in psi) in rear brake sys-
Gage
tern. Normal operating range is 90-120 psi (621-
827 kPa).
15
Secondary Air
Registers air pressure (in psi) in front brake sys-
Pressure Gage
tern. Normal operating range is 90-120 psi (621-
827 kPa).
16
Main Light Switch
Five-position switch. To engage, mechanical
(M915A2 and
switch must be held in UNLOCK position (up).
M916A1)
Switch positions are:
(a)
BO DRIVE. Same as BO MARKER position,
but blackout drive light and trailer circuit will
also function.
(b)
BO MARKER. Blackout marker/tail lights and
blackout stop lights will function. No other
lights or electrical horn will function.
(c)
OFF. No lights or electrical horn will function.
(d)
STOP LIGHT. Electrical horn and all
separately controlled lights will function except
blackout stop lights. No marker/tail lights or
drive/headlights will function.
(e)
SER DRIVE. Same as STOP LIGHT position,
but headlight and “non-blackout” marker/tail
lights will function.
2-7
