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Maintenance
Doc No: OMMC00296 Revision: 2 – Sept 2020
For all other valve types:
1. Refer to Figure 3.
2. Lightly grease replacement element seal(s) (Item 7) and locate
in upper housing (Item 1).
3. Replace element (Item 8) into valve, ensuring it is centrally
located.
4. Lightly grease replacement ‘O’ ring (Item 9) and fit into upper
housing (Item 1) recess.
5. Replace lower housing (Item 2), and refit housing washers and
screws/nuts (Items 11 & 13/12). See Table 4 for required
torque values.
1/2CM 6 8
1CMA 6 8
1CMB 12 16
1CMC 12 16
1 1/4CM 12 16
1 1/2CF 12 16
1 1/4CCM 12 16
CMS 20 27
CMR 20 27
Table 4 – Tightening torques on housing bolts
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