Checking And Adjusting Sensors With Fluke123 - Valtra 6000 Workshop Manual

31. Σ---power system
D. Checking and adjusting sensors with Fluke123 ---oscilloscope (if necessary)
1. Connect the measuring cable ETV 894310 (requires later connectors, G22507---) to the connector (A13) of the control unit.
Connect the oscilloscope (FLUKE 123 Scopemeter) to the measuring cable connector with cables ETV 894 400. A red wire to
connector pin 6 (foremost sensor channel A) and blue wire to connector pin 3 (rear sensor channel B). The middle wire
(black) of the oscilloscope is connected to connector pin 5 (earth) (see picture below).
Blue
Measurements
G22507---
Black
6=A=Engine sensor
3=B=PTO sensor
B
A
COM
Model
1. 8. 1998
ETV 894310
ETV 894 400
When connecting the
oscilloscope, the cur-
rent of the tractor
must be switched off.
Do not let wires touch
each others or tractor
frame, since the sen-
sor or control unit can
be damaged.
Fluke 123
267
Code Page
8750 313 9