Lull 944E-42 Service Manual User Manual download pdf (Page 692)

100

101

Electrical System

9.182

Model 644E-42/944E-42 Rev. 6/04

a. Power-Up Lights

When the ignition switch is turned to power up the

vehicle, all lights (13 total) in the front dash panel will

illuminate for three seconds as a test function. During this

time, an audible alarm will also sound.

b. Function Indicator Lights

There are four subdued or “hidden” function indicator

lights in the front dash panel that illuminate only when a

specific function is activated. They are:

Parking Brake Indicator

The parking brake indicator (1)

illuminates any time the parking brake

switch is applied and the ignition

switch is in the RUN position.

Stabil-TRAK Mode Indicators

One of these lights will illuminate

when the Stabil-TRAK system has

been ACTIVATED in the “Locked”

Mode (2) or the “Slow Pivot”

Mode (3). For additional

information refer to Section 9.10.12, “Stabil-TRAK™

“Locked” Mode Indicator Troubleshooting,” or Section

9.10.13, “Stabil-TRAK™ “Slow Pivot” Mode Indicator

Troubleshooting.”

Engine Air-Intake Heater Indicator

(644E-42 Option & 944E-42 Standard)

The engine air-intake heater indicator (4)

illuminates with the ignition switch in the RUN

position any time the ambient temperature

drops below 40° F (4° C). The engine grid

heater then becomes active and the engine should not be

cranked until the light goes OFF. Once the light goes OFF

it indicates that the grid heater is at the proper

temperature and the engine is ready to start.

Note: This indicator light may come ON when the

engine is running to indicate that the post heat function is

active. This is a normal condition when ambient

temperatures are below 40° F (4° C).

c. Gauges and Indicators

Fuel Level Gauge

Make sure the vehicle is level to ensure an

accurate fuel level reading. The fuel

gauge (5), located on the left side of the front

dash panel, indicates the amount of fuel in the

fuel tank. Refuel before the fuel gauge

reaches the “E” to prevent running out of fuel. Capacity of

the fuel tank is 50.2 gal (190 liters) total capacity with a

usable capacity of 45 gal (171 liters). If the engine ever

runs out of fuel, the fuel system will need to be bled. Refer

to Section 7.8.6, “Bleeding Air From The Fuel System.”

Engine Tachometer

The tachometer (6) is the gauge in the center

of the front dash panel and indicates speed of

the engine in revolutions per minute (rpm).

Hourmeter

The hourmeter (7) records engine operating

hours and has a total readout of 99,999.99

hours. It is located on the front dash panel in the

lower portion of the tachometer.

Engine Coolant Temperature Gauge

The engine coolant temperature gauge (8) is

located on the right side of the front dash panel.

Glance at the gauge on a regular bases during

operation. The gauge monitors the temperature

at which the engine is operating. If the gauge

goes over 210° F (99° C) the engine coolant is too hot.

Idle the engine for one (1) minute prior to shutting the

vehicle down. If the radiator is boiling over, SHUT THE

VEHICLE DOWN AS SOON AS PRACTICAL.

0000000

RPM X 100

1/2

104

176

248

120

°C

°F

r/min

MU0010

OH2260

OS1970 OU0050

OU0040

OH24701

OU0020

r/min

OU0030

OT0980

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Lull 944E-42 Service Manual User Manual Page 692

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