VEGA VEGAFLEX 86 4 … 20 mA_HART two-wire Rod and cable probe With SIL qualification - Manual (Page 78)

78
10 Diagnostics and service
VEGAFLEX 86 • 4 … 20 mA/HART two-wire
44234-EN-130823
Information:
Please keep the stated torque so that the max. tensile strength
remains.
6. Enter new probe length and if necessary the new probe type and
then carry out a fresh adjustment (see "Setup procedure, Carry-
ing out min. adjustment - Carrying out max. adjustment").
The rod or cable of the probe can be shortened individually.
1. Mark the requested length with mounted measuring rod.
2. Cable: Loosen the pins on the gravity weight (hexagon 3)
3. Cable: remove the pins
4. Cable: Pull the cable out of the gravity weight
5. Shorten the cable/rod with a cut-off wheel or metal saw at the
marking. Take note of the specifications in the following illustration
when shortening the cable.
6. Cable with gravity weight: Shift the cable according to the drawing
into the gravity weight
7. Cable with gravity weight: Fasten cable with the pins, torque 7 Nm
(5.16 lbf ft)
Cable with centering weight: Fasten cable with the pins, torque
7 Nm (5.16 lbf ft) and fix the clamping part on the centering
weight.
8. Enter new probe length and then carry out a fresh adjustment
(see "Setup procedure, Carrying out min. adjustment - Carrying
out max. adjustment").
4
1
1
2 2 3
A B C
45 mm (1.77"
)
100 mm
(3.94"
)
25 mm (0.98"
)
50 mm
(1.97"
)
Fig. 46: Shortening the cable probe
A Gravity weight - cable ø 4 mm
B Gravity weight - cable ø 2 mm
C Centering weight - cable ø 2 mm
1 Pins
2 Thread M8 for eye-bolt
3 Fixing screw - centering weight
Shorten cable/rod