Ce-niehoff-co C653/C653A/C625 Troubleshooting Guides Manual de usuario descargar pdf (Pagina 5)

Page 5

TG13G

Section C: A2-146/A2-153 Advanced Troubleshooting

A2-146/A2-153 REGULATOR – THIS PAGE ONLY

Self-energized alternator may have lost magnetism. Touch steel tool

to shaft to detect any magnetism. Is shaft magnetized?

Momentarily (1 sec.) jumper D+ terminal on regula-

tor to B+ terminal on alternator. Touch shaft with

steel tool to detect significant magnetism. Is shaft

magnetized?

Yes

Figure 6 – Alternator-to-Regulator Harness Plug

Chart 1 – No Output



Install a jumper from B+ terminal on alternator to

pin F in harness plug. Momentarily (1 sec.) jumper

pin A to B– terminal on alternator. Touch shaft with

steel tool to detect significant magnetism. Is shaft

magnetized?

Yes

PIN CONNECTIONS

Pin A F–

Pin B Phase

Pin C B–

Pin D B+

Pin E D+

Pin F F+

Set DMM to diode test. Connect black lead of DMM

to pin E in harness plug. Connect red lead to B+

terminal on alternator. DMM should read OL. Reverse

leads. DMM should also read OL.

Unplug alternator-to-regulator harness. Connect

DMM across pin D and pin C in harness plug.

Does battery voltage exist?

Yes

Alternator is defective.



Yes



Alternator is defective.



Alternator is defective.



Regulator is defective.

Install a jumper from B+ terminal on alternator to

pin F in harness plug. Momentarily (1 sec.) jumper

pin A to B– terminal on alternator. Touch shaft with

steel tool to detect significant magnetism. Is shaft

magnetized?

Yes No



Alternator is defective.



Regulator is defective.

Remove jumper from D+ to B+.



When conducting this step,

ensure that the probes do not

touch other pins, as an arc

may damage the wiring in the

harness.

CAUTION

1 2 3 4 5 6 7 8 9 10 11

Comentarios a estos manuales

Sin comentarios

Ce-niehoff-co C653/C653A/C625 Troubleshooting Guides Manual de usuario Pagina 5

Comentarios a estos manuales

Relacionado con productos y manuales para Hardware Ce-niehoff-co C653/C653A/C625 Troubleshooting Guides