Skytrak 6042 Service Manual User Manual download pdf (Page 500)

100

101

Electrical System

9.130

Model 6042 Legacy Origin 7/02

9.15.14 Fuel Level Indicator and

Fuel Level Sender

The fuel level indicator (Fig. 9-127, 1) can be found on

the operator’s instrument cluster.

Figure 9-127 Fuel Level Indicator

The fuel level indicator (Fig. 9-127, 1) works in

conjunction with the fuel level sender (Fig. 9-128, 1). The

submerged, coil-type fuel level sender is secured to the

fuel tank (2) and is connected to the operator’s instrument

cluster via the engine wiring harness, bulkhead connector

and cab wiring harness.

The operator’s instrument cluster fuel level indicator

(Fig. 9-127, 1) shows the level of fuel remaining in the

fuel tank. The fuel level sender wiring harness connector

can be accessed from the top of the fuel tank.

The fuel level sender (Fig. 9-128, 1) consists of a

resistance, float-type fuel level sender mounted in the top

of the fuel tank (2) and the wiring (3) connecting it with the

fuel indicator in the operator’s instrument cluster.

The resistance of the fuel sender is 31 ohms for a full tank

of fuel, 101 ohms for 1/2 tank and 255 ohms for an empty

tank. The fuel level indicator gauge in the operator’s

instrument cluster receives a signal from the fuel level

float sender corresponding to the remaining amount of

fuel in the tank. Examine the fuel level sender circuit in

Section 9.9.7, “Fuel Level Indicator Troubleshooting.”

Figure 9-128 Fuel Level Sender

a. Fuel Level Indicator Testing

1. Remove fuel tank cover.

2. The fuel level sender wiring harness leads

(Fig. 9-128, 4) can be accessed from the top of the

fuel tank. Disconnect the fuel level sender wiring

harness leads. With the help of an assistant, touch

both harness leads together.

3. From the operator’s cab, have the assistant turn the

ignition key switch (Fig. 9-129, 1) to the RUN (2)

position. DO NOT start the engine. Observe the fuel

level indicator needle on the operator’s instrument

cluster. The reading must be at the FULL mark after

the engine startup bulb test is completed.

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MA7620

MA7750

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Skytrak 6042 Service Manual User Manual Page 500

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