Section 6

DIAGNOSTIC TESTS

14

25 ohm

WIRE 14

 

REMOVED

 

14

 

R1

 

 

D2

4

 

4

 

Figure 6-17. – Diode Test Step 9

10.Connect one meter test lead to the top terminal of the resistor (R1). Connect the other meter test lead to the ground terminal. INFINITY or an open condition should be measured.

11.Reconnect the six pin connector, reconnect the C1 connector, reconnect the two wires removed from the resistor (R1).

RESULTS:

1. If the diode or resistor failed any step it should be replaced.

TEST 9 - TEST STATOR

PROCEDURE:

1.From the 50 Amp circuit breaker, disconnect Wires 11 and 44.

2.From the 50 Amp receptacle disconnect Wire 22.

3.Disconnect Connector C1. See Page 17 for connector location.

4.Set a voltmeter to measure resistance.

5.Connect the meter test leads across Stator leads 11 and 22. Normal power winding resistance should be read.

6.Connect the meter test leads across Stator leads 44 and 22. Normal power winding resistance should be read.

7.Connect the meter test leads across Stator leads 11S (Pin 1) and Stator lead 44S (Pin 2) at the C1 connector female side. See Figure 6-18. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into connectors. Normal power winding resistance should be read.

8.Connect the meter test leads across Stator leads 66A (Pin 4) and Stator lead 77A (Pin 5) at the C1 connector female side. See Figure 6-18. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into connectors. Normal battery charge winding resistance should be read.

 

77A

55A

 

11S

PIN

 

 

66A

 

 

PIN

2

44S

 

LOCATION

LOCATION

1

 

6

 

PIN

 

 

 

 

PIN

 

55

77

0

LOCATION

LOCATION

 

12

 

 

 

7

6

 

66

4

 

Figure 6-18. – C1 Connector, Female Side

9.Connect the meter test leads across Stator leads 2 (Pin 6) and Stator lead 6 (Pin 7) at the C1 connector female side. See Figure 6-18. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into con- nectors. Normal excitation winding resistance should be read.

10.Connect the meter test leads across Stator leads 66 (Pin 9) and Stator lead 77 (Pin 10) at the C1 connector female side. See Figure 6-18. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into connectors. Normal 10 Amp battery charge winding resistance should be read.

Winding

Wire

Models

Models

Models

Models

 

Numbers

004451-0

004582-0,1

004582-2

004583-0

 

 

 

004986-0

004987-0

004987-1

005308-0

 

 

 

 

005209-0

 

 

 

 

 

 

 

 

 

Power

11

& 22

0.125

0.088

0.088

0.067

 

 

 

 

 

 

 

Power

44

& 22

0.125

0.088

0.089

0.067

 

 

 

 

 

 

 

Sensing

11S

& 44S

0.25

0.176

0.176

0.134

 

 

 

 

 

 

 

Excitation

2

& 6

0.576

0.546

1.270

1.010

 

 

 

 

 

 

 

Battery

66A

& 77A

0.132

0.111

0.111

0.103

Charge

 

 

 

 

 

 

 

 

 

 

 

 

 

10A

66

& 77

0.145

0.125

0.125

0.117

Battery

 

 

 

 

 

 

Charge

 

 

 

 

 

 

 

 

 

 

 

 

 

*Resistance values In ohms at 20° C. (68° F.). Actual readings may vary depending on ambient tempera- ture. A tolerance of plus or minus 5% is allowed.

11.Connect the meter test leads across Stator lead 11 and frame ground. INFINITY should be read.

10.Connect the meter test leads across Stator lead 66A (Pin 4) and Stator lead 2 (Pin 6) at the C1 connector female side and frame ground. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into connectors. See Figure 6-18. INFINITY should be read.

Page 43

Page 45
Image 45
Guardian Technologies 4451 & 4986, 4582 & 4987, 4583, 5308 Test 9 Test Stator, From the 50 Amp receptacle disconnect Wire

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