Skytrak 6036 Service Manual Bedienungsanleitung PDF herunterladen (Seite 417)

9.65

Model 6036 Legacy

Electrical System

9.12 ELECTRICAL SYSTEM

COMPONENTS

Electrical components include warning devices such as

the indicators in the operator’s instrument cluster, horn,

back-up alarm, and other components such as the

various solenoids and all accessories.

Examine the appropriate wiring diagrams and schematics

earlier in this section, to help understand the wiring

circuits involved.

9.12.1 Warning Devices

Vehicle warning devices include the horn, instrument

cluster warning lights and the back-up alarm.

a. Horn

The horn (Fig. 9-37, 1) is mounted on the vehicle frame.

Figure 9-37 Horn Location as Viewed from Below Vehicle

The horn sounds when the momentary-contact horn

button on the center of the steering wheel is pressed.

Removal of the horn button is discussed in Section 4.3.2,

a. “Steering Wheel Removal” of this manual.

The horn sound is produced by a solenoid-actuated

diaphragm in the horn that develops a resonating air

column in the horn trumpet, which is shaped to project the

sound. If the horn does not sound when the horn button

is pressed, check that the fuse is not blown.

Check for corrosion on the horn mounting that may be

preventing a solid ground, and check for a loose horn

wire. Test the horn switch for continuity when the horn

button is pressed.

If the problem is still not located, unplug the horn

connector (Fig. 9-37, 2), remove the nut attaching the

horn to frame (not shown) and test the horn using short,

heavy-gauge wires connected to a fused or otherwise

protected 6-amp minimum output, 12-volt DC power

supply. If the horn does not sound, replace the horn.

b. Warning Indicator Lights

(In Operator’s Instrument Cluster)

Figure 9-38 Typical Operator’s Instrument

Cluster Warning Indicators

There are five subdued or “hidden” warning indicator

lights present in the instrument cluster (Fig. 9-38). These

warning indicators illuminate during critical

circumstances.

IMPORTANT: All five warning indicator lights demand

immediate attention and vehicle service. In many cases,

the vehicle should be shut down as soon as practical to

help prevent serious mechanical failure. Appropriate

service procedures for each circuit, as applicable,

appear elsewhere in this section of the manual.

c. Engine Coolant Temperature Warning Indicator

This indicator (Fig. 9-38) is illuminated when

the engine coolant temperature is above 210° F

(99° C). An audible alarm will sound, and the

engine must be shut down as soon as practical

to help avoid engine damage. For additional information

refer to Section 9.9.2, “Engine Coolant Temperature

Warning Indicator Troubleshooting.”

MA7960

0000 00

OH1810

Transmission

Temperature

Indicator

Engine Coolant

Temperature

Indicator

Alternator

Charging

Indicator

Engine Oil

Pressure

Indicator

Hydraulic

Temperature

Indicator

OH25202

1 2 ... 412 413 414 415 416 417 418 419 420 421 422 ... 459 460

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