TM 9-2320-363-10
2-2.
INSTRUMENT PANEL (Cont).
Key
Control or Indicator
Function
4
Voltmeter
Indicates rate of battery charge or discharge in
volts.
(a)
RED BAND. Below 11 volts indicates a
possible malfunction. Stop and report problem
to Unit Maintenance.
(b)
YELLOW BAND. 11-12 volts indicates battery
is undercharged. Turn off all electrical circuits,
if possible, and run engine at highest rpm
permitted for existing conditions. If reading is
still not in green band, notify Unit Maintenance.
(c)
GREEN BAND. 13-15 volts indicates normal
operating range.
(d)
RED BAND. Above 15volts indicates batteries
are
being
overcharged.
Notify
Unit
Maintenance.
5
Turbo Boost Gage
Measures pressure in intake manifold, in excess of
(M915A2 and
atmospheric pressure, being created by
M916A1)
turbocharger. Normal pressure is 28 psi (193 kPa)
at full load.
2-3