17
Maintenance
EN
WAF 04 R
8.1.2
Checking the pressure reducer
1. Close the valve at the out-
let side (1). If the pressure
P
2
does not change, the
pressure reducer oper-
ates properly.
2. Close the valve at the out-
let side (2).
3. Otherwise, the pressure
reducer must be replaced
(see chapter "Replacing
the pressure reducer".
1
2
Summary of Contents for 42714
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Page 42: ...20 Maintenance EN WAF 04 R 7 8 9 ...