Robin America RGX240 Specifications download pdf (Page 42)

9-9 PRIMARY EXCITING CIRCUIT

As described

m 5-3 DESCRIPTION of GENERATOR OP-

ERATION.

the primary exiting coil is in the magneto

mounted on the engine. and the AVR has a circuit for it.

9-9-l EXCITING COIL

The normal inter-terminal reststance of the exciting coil is

about 10 to 30 ohms. Its voltage at the rated rpm is about

AC 10 to 3OV. Check the resistance and voltage with a test-

er to see if they meet these requirements.

9-9-2 OTHERS

30 output voltage from the genzrator.

Fig. 9- 72

If the trouble cannot be dztected by Step 9-9- 1 above.

shsck the primary exciting circuit as follows:

.I\. Disconnect the control box and opersts thr gsnerator at the rated rpm. Dixonn2:t th2 tRo k-2liow Lv-ires from th2 exit-

ing cot] to the XVR. and momentarily- ;onntlc‘t th2 positive i-i.1 an3 negatiw t -1 Isads of a 13’ batter>- m their ~1x2. Ii

no output voltag2 is generated. reconnect th2 battzr>- Gads th2 oth2r a-a!.

Ii output l-oitage 1s gen2rated. th2 232iting

2oi! IS def22tive.

R. If no output voltage is generated by the test conducted as described in Step A.. operate the generator at the rated rpm and

momentarily connect a 1ZV battzrk- to th2 brush2s. Th2 green I2ad is posrtil2 (+.I and th2 black or brown lead n2gatne

(--I (Se2 Fig. 9-13.). If output I-oltag:. is gsnerated. the p:imdr~- exiting

ci:.xlt I~I th2 XL-R 1s def2ctive. R2nlac2 the

AVR

Fig. 9- 73

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Robin America RGX240 Specifications Page 42