Watson-Marlow APEX10 - Manual (Page 47)

MAINTENANCE
47
7. Tighten the nuts so that the distance between
the sensor and the rotor (X) is between 0.75
mm and 1.25 mm.
8. Check if the revolution counter works properly:
1
The sensor needs to send signals.
2 The rotor should be able to rotate freely.
9. Refit the cover (B). Make sure that the eight
bolts (A) are refitted and that they are tightened
in the correct order, diagonally opposite each
other. Refer to §
11.1.6 .
10. Refill the pumping house with lubricant. Refer to
8.4 .
11. Connect the sensor electrically via the 2 metre
long PVC cable (3 x 0.34 mm
2
). Refer to the
connection scheme, right.
X
A
B
BN
BU
BK
+
pnp
Specifications
*
* For use in non-explosive atmospheres.
Voltage 10 ... 30 V DC
Current Max. 200 mA