TM 9-2350-238-10
INSTRUMENT PANEL CHECKOUT PROCEDURES
1 FUEL gauge (1). Should be near full
6 ENGINE WATER temperature indicator
mark.
(6). Normal operating temperature is
2 ENGINE-TRANSmission TEMPerature-
PRESsure warning lamp (2), Light should
be off during engine operation.
NOTE
If warning horn sounds and
ENGiNE-TRANSmission
TEMPerature-PRESsure indicator
(2) lights at idle speed (650-
700 rpm), increase speed to
800 rpm. If horn continues to
sound and light does not go off,
stop engine and notify unit
maintenance personnel.
3 Transmission OIL temperature indicator
(3). Normal operating temperature is
165°F to 220°F (74°C to 105°C); max-
imum allowable temperature is 300° F
(149°C).
4 Transmission OIL pressure indicator (4).
Normal pressure is 30 psi (206.85 kPa)
at 1,800 rpm and above; 10 psi (68.95
kPa) at 1,000 rpm is minimum allowable.
5 HI-BEAM lNDicator light (5). Lights when
headlights are on and dimmer switch has
been pushed to place lights on high
beam.
170°F to 185°F (77°C to 85°C); max-
imum allowable temperature is 230” F
(110°C).
7 ENGINE OIL pressure indicator (7). Nor-
mal operating pressure at 1,800 rpm and
above is 50 to 70 psi (344.75 to 482.65
kPa). Minimum allowable pressure is 5
psi (34.48 kPa) at 650 rpm; 28 psi
(193.06 kPa) at 1,800 rpm; 30 psi
(206.85 kPa) at 2,000 rpm; and 35 psi
(241.33 kPa) at 2,300 rpm.
8 GENerator WARNING lamp (8). Light
should be off. Lights when generator is
not charging.
9 BATTERY/generator indicator (9). Normal
range is when needle is in GREEN.
10 MASTER switch lNDicator lamp (10)
Lights when MASTER switch is on,
11 TACHOMETER (11) and SPEEDOMETER
(12) should operate without excessive
fluctuation or unusual noises.
12 LOW ENGINE COOLANT WARNING
LIGHT (1 3). Should be off. Lights and
warning horn sounds when engine
coolant is low or when air is present in
cooling system. Press to test lamp.
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