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Les langues disponibles
Les langues disponibles
8
Maintenance
8.1
Maintenance activities
8.1.1
Checking the ball valve
All manuals and user guides at all-guides.com
Maintenance
2
1. Verify that the ball valve
(A) operates smoothly at
intervals of three months.
2. If the ball valve does not
operate smoothly, it must
be replaced by a special-
ised company.
1
3
WAF 04 R
EN
16
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