BENDIX MC-11 TRACTOR ANTILOCK Manuale - Pagina 17

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CHECK FOR

PRESENCE OF TONE

RING OR MISSING

TONE RING TEETH

CHECK FOR OUT-OF-

SPEC SENSOR GAP

(SHOULD BE 0-.015")

CHECK FOR

EXCESSIVE WHEEL

BEARING FREE PLAY

REPEAT STARTUP

TROUBLESHOOTING

SECTION VI PART A - TESTING WHEEL SPEED SENSOR

RECORD INDICATED

FAILURE

PERFORM A RESET.

ANY "SNS" LEDS ON?

STILL ON?

IF THE OTHER "SNS" LED

ILLUMINATES, A GOOD

SENSOR WAS

DISCONNECTED.

RECONNECT IT AND TEST

THE OTHER SENSOR.

INSPECT FOR BROKEN OR

CRIMPED WIRES LEADING

TO THE PROBLEM SENSOR.

CLEAN CONTACTS AT THE

SENSOR AND ITS

CONNECTOR.

MEASURE RESISTANCE AT

SNS 2

LOCATIONS ON THE 14-PIN

("SNS 1" - PINS N AND P.

SNS 1

"SNS 2" - PINS L AND M.)

MAGNET HERE

TO RESET

YES

OPEN CONNECTOR

FOR EACH SENSOR

AND OBSERVE LEDS.

IF THE OTHER "SNS"

ILLUMINATE, THE

PROBLEM SENSOR

WAS DISCONNECTED.

THE PROPER PIN

CONNECTOR.

GO TO SECTION

VI - PART B

LED DOES NOT