OMH
OMH K02/1122
page 19
Fig.1
OMH–1H
This work should be done by competent personnel only. This
instruction should be used as support for this activity. If spindle
set or measuring casing will be replaced, volumeter must be
recalibrated!
Dismounting:
do not turn sensor sleeve
if the red sealing point is damaged, the warranty for the
flowmeter expires.
remove volumeter from installation
remove end covers (Fig.1).
remove crown (without pick up) (Fig.2)
loosen measuring casing and take it off carefully (Fig. 3)
Large spindle: Loosen the screw. Remove the wedge locking plate, the
support device, the pole wheel with the help of a detaching device and the
distance ring. (Fig. 4a)
remove circlips from crown
remove spindle set (with rolling bearings) from crown (Abb.4)
small spindle: loosen the screw. Remove the wedge locking plate and the
support device
change of bearings:
remove second groove nut with locking plate
remove circlips and spacers
pull off rolling bearings
remove o-rings
Clean all parts carefully, do not scratch sealing surfaces!
Fig.2
Fig.3
Fig.4a
Fig.4
Fig.4b
