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APPENDIX 3
PROCEDURE TO TEST FLOW METER CABLES
Disconnect cable from Flow Sensor. Hold Flow Sensor cable so that the keyway is
pointing in the 12 o’clock position:
1) 2 o’clock socket is ground.
2) 10 o’clock socket is power.
3) 6 o’clock socket is signal.
VOLTAGE READINGS
1) 2 o’clock to 6 o’clock (+5 VDC).
2) 2 o’clock to 10 o’clock (+5 VDC).
Procedure to check cable:
1) Enter a METER CAL number of one (1) in key labelled:
2) Depress key labelled:
3) Place BOOM switches ON.
4) With small jumper wire (or paper clip), short between 2 o’clock and 6 o’clock
sockets with a "short-no short" motion. Each time a contact is made, the TOTAL
VOLUME should increment up 1 or more counts.
5) If TOTAL VOLUME does not count up, remove the section of cable and repeat
test at connector next closest to Console. Replace defective cable as required.
6) Perform above voltage checks.
7) If all cables test good, replace Flow Sensor.
NOTE: After testing is complete, re-enter correct METER CAL numbers before
application.
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