TM 5-2420-230-10
Table 4-1. Main Instrument Panel. (Continued)
Key
Control or Indicator
Function
9
Indicates the voltage of the batteries when the engine is
running. The gauge is calibrated in volts.
10
AIR FILTER RESTRICTION Gauge
Indicates the amount of restriction being felt in the engine
air filter. The gauge is calibrated in units of inH2O.
11
FRONT and REAR DIFFERENTIAL LOCKS
Indicates when one or both differential locks are engaged.
Indicators
12
Light Switch
Controls the operation of the vehicle's lighting system.
13
FRONT DIFFERENTIAL LOCK Switch
Operates the front differential lock.
14
MODE CONTROL Switch
Selects suspension mode for the vehicle.
15
HAZARD Warning Light Switch
Operates the hazard warning lights.
16
Spare Switch Position.
Not used.
17
Spare Switch Position.
Not used.
18
REAR DIFFERENTIAL LOCK Switch
Operates the rear differential lock.
19
DUAL BRAKE PRESSURE Gauge
White needle indicates the air pressure in the service brake
system and the green needle indicates air pressure in the
secondary/parking brake system. The gauge is calibrated in
psi and kPa.
20
Hourmeter
Indicates the running hours of the engine.
21
FUEL LEVEL Gauge
Indicates the amount of fuel in fuel tank.
22
DIMMER Switch
Allows the operator to select OFF, LOW, or HIGH setting
for the instrument panel lights. The switch works only
when light switch is in the DIM or PARK positions.
23
REAR WORK LIGHT Switch
Operates the rear work lights. Works in conjunction with
the light switch.
24
FRONT WORK LIGHT Switch
Operates the front work lights. Works in conjunction with
the light switch.
25
DRIVE MODE Switch
Allows the operator to select 2WD (2-wheel drive) or 4WD
(4-wheel drive), depending on the conditions.
26
RANGE SHIFT Switch
Allows the operator to select HIGH or LOW range,
depending on the conditions.
27
Low Fuel and Low Coolant Indicators
Indicates low fuel level (when there are less than 13 gal.
(50 L) of fuel remaining) and low coolant level.
28
Low Hydraulic Fluid and Hydraulic Filter
Indicates low hydraulic fluid and hydraulic filter blockage.
Blocked Indicators
29
Inclinometer
Indicates limits for operating on a 20 percent slope/incline.
30
Arctic Heater Control Pad
Activates the arctic heater and displays error codes (when
the cold weather kit is equipped).
4-3
Change 1