AMOT 10GEF, Operation And Maintenance Manual, Page: 20 / 80

20
Valve Body
Rev 12 – NOV 2019 OMMG00012
Fig 5 10 and 12 inch Valves
9 Taking care that the rotor is not lifted with the cover, carefully lift off the
cover (6).
10 Remove and discard the cover O ring (7).
11 Remove the rotor assembly from the valve body.
12 Remove and discard the upper and lower shaft O rings (10).
13 Inspect the valve internals for wear, damage and cleanliness. Clean and
replace if necessary.
Note
It is recommended that the upper and lower composite bearings (8 & 9)
are replaced at this stage. The lower bearing is more accessible if the end
cover is removed. When refitting the end cover, a new O ring (11) must
be fitted.
Reassemble Valve (refer to Fig 5, page 20)
1 Fit new upper and lower shaft O rings (10) to the shaft.