Section 6

DIAGNOSTIC TESTS

00.00

SW2

83

0

J2-1

J2-12

 

 

 

 

 

 

 

 

 

 

MAKE SURE THE TEST PROBE CONNECTOR IS

MAKING CONTACT WITH THE CONNECTOR.

DOUBLE CHECK TO

J2 HARNESS CONNECTOR MAKE SURE THAT THE TIP IS SHARP.

Figure 6-60. – Check Idle Control Wiring

RESULTS:

Repair or replace wiring as needed. Refer back to the flow chart.

Test 54 - Check Idle Control

Transformers (ICT)

PROCEDURE:

7.Apply a light load to the generator, such as a electric drill.

8.When the drill is activated measure the voltage output. The AC voltage should measure around 1-2 VAC.

RESULTS:

Refer back to flow chart.

 

 

BLK

BLK

86

15B

167

 

0

229

83

100 ohm

TERMINAL

TR2

 

BLOCK

 

TR1

 

(TB1)

 

 

 

Figure 6-61. Check Idle Transformer Wiring

TEST 55 - CHECK TR1 & TR2 Wiring

86 15B 167 BLK

0

229

83

BLK

00.00

TB1

TR2

 

TR1

1.

Set a voltmeter to measure resistance.

2.

Remove the two Idle Control Transformer (ICT) Wires from

 

Terminal Block 1 (TB1). See Figure 6-61.

3.

Connect one meter test lead to one wire and connect the other

 

meter test lead to the other wire. Approximately 100 ohms

 

should be measured. If resistance is not measured repair or

 

replace the Idle Control Transformers. If resistance was mea-

 

sured proceed with Step 4.

4.

Set a voltmeter to measure AC Voltage.

5.

Connect one meter test lead to one wire and connect the other

 

meter test lead to the other wire.

J2-1J2-12

J2 HARNESS CONNECTOR

MAKE SURE THE TEST PROBE CONNECTOR IS MAKING CONTACT WITH THE CONNECTOR. DOUBLE CHECK TO MAKE SURE THAT THE TIP IS SHARP.

6. Turn the Idle Control Switch (SW2) to OFF. The generator

should be running at about 60 HZ.

Figure 6-62. – Check TR2 Wiring

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Guardian Technologies 4583, 4582 & 4987, 5308 Test 54 Check Idle Control Transformers ICT, Test 55 Check TR1 & TR2 Wiring

5308, 4583, 4451 & 4986, 4582 & 4987 specifications

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