BENDIX SD-13-4788 Manual de usuario descargar pdf (Pagina 25)

SECTION VII A - TESTING THE WHEEL SPEED SENSOR

START HERE

IGNITION ON, NOTE ILLUMINATED LED’s.

RESET WITH A MAGNET, NOTE REACTION OF RED LEDs.

2nd TIME TO THIS POINT DURING TESTING?

GO TO SECTION VII PART B

AND BEGIN TESTING

YES

ANY RED LEDs ON?

SAME RED LEDs ON?

YES

GO TO SECTION VII PART B

AND BEGIN TESTING

YES

GO TO SECTION IV.

RECONNECT CONNECTORS AT EC-17

™

CONTROL-

LER AND SPEED SENSOR, DO MAGNETIC RESET.

NOTE RED LEDs.

GO TO “INITIAL START-UP PROCEDURE”

YES

ARE ANY RED LEDs ILLUMINATED?

GO TO SECTION III “INSPECTION

FOR ILLUMINATED LEDs.”

TURN IGNITION OFF AND CHECK FOLLOWING:

REMOVE 18 AND 30 PIN CONNECTOR FROM EC-17

™

CONTROLLER. SET VOLT/

OHMMETER TO AC SCALE AND GENTLY PROBE SPEED SENSOR “PIN PAIRS” WHILE

SPINNING WHEEL BY HAND (30 PIN CONNECTOR “PIN PAIRS” J1&2 H2&3) (18 PIN

CONNECTOR “PIN PAIRS” B2&3, C2&3, E2&3, F2&3).

VOLTAGE OUTPUT FOR WS-20

™

SENSOR SHOULD BE ABOVE 0.8 VOLTS AC AT 1 RPS.

VOLTAGE OUTPUT FOR WS-24

™

SENSOR SHOULD BE ABOVE 0.250 VOLTS AC AT 0.5 RPS.

IF VOLTAGE IS BELOW THE MINIMUM CHECK ITEMS BELOW

A. CHECK “GAP” BETWEEN SPEED SENSOR AND EXCITER OR TONE RING. (GAP FOR

BENDIX

WS-20

™

SENSOR, SPEED SENDER IS BETWEEN 0 - .015 INCHES) IF SENSOR

GAP MUST BE ADJUSTED, CHECK FOR LOOSE OR WORN WHEEL BEARINGS BEFORE

RE-GAPPING SENSOR. REFER TO VEHICLE MAINTENANCE MANUAL FOR WORN

BEARINGS. CHECK SENSOR OUTPUT VOLTAGE.

B. IF SENSOR GAP IS CORRECT CHECK WHEEL BEARING FOR FREE PLAY TO VERIFY IT

COMPLIES TO MANUFACTURER’S RECOMMENDATIONS.

C. MAKE CERTAIN EXCITER OR TONE RING IS IN PLACE AND INSPECT CONDITION. CHECK

FOR MISSING OR DAMAGED TEETH AND THAT IT RUNS TRUE AND PERPENDICULAR TO

SENSOR FACE.

D. CHECK WIRING HARNESS AND CONNECTORS THAT RUN TO SENSOR.

E. CHECK FOR DRAGGING BRAKES (OVER ADJUSTED, TRAPPED AIR IN ACTUATOR, OUT

OF ROUND DRUMS, MALFUNCTIONING RETURN SPRINGS, PARKING BRAKE SYSTEM

PROBLEMS, ETC.) AND CORRECT AND RETEST.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31 32

Comentarios a estos manuales

Sin comentarios

BENDIX SD-13-4788 Manual de usuario Pagina 25

Comentarios a estos manuales

Relacionado con productos y manuales para Motor BENDIX SD-13-4788