XO
®
4 User Guide
YB-253 Version 3.10
15
xxx
Figure 29 Removing instrument tube
When refitting the instrument hoses, please check that instru-
ment tube number and the number marked on the instrument
bridge are identical.
In case you replace an instrument tube, please be sure to affix
the correct identification number to the new tube.
xxx
Figure 30 Check for identical numbers
In the event that the instrument hoses have been
removed, one must ensure that the plugs and sockets are
completely dry before the hoses are re-mounted on the in-
strument bridge again!
5.4
Bien Air MC3 micro motor
XO recommends annual control and servicing of micro motors
and contra-angles.
Replace the bulb as follows:
1 Pull the motor cover (1) off.
2 Change the bulb (2) (ref.no. HE-005).
.
3 Avoid touching the bulb with your fingers. Use clean gloves
or a clean piece of cloth.
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