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Installation and Operating Instructions
G
as burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05
8 Maintenance and service
8
.3 Removing and re-installing the mixing head
Observe the notes on maintenance and servicing (see Ch. 8.1).
Risk of explosion due to leaking gas
G
as leakage could occur if the gasket 3 is seated incorrectly.
u Following work at the mixing head, ensure that the gasket is clean and seated
correctly. Replace if damaged.
u Check for leaks.
Removing
u Unplug ionization cable 5.
u Unplug ignition cable 1.
u Loosen screws 4.
u Turn the mixing head 2 to the left up to the recess and remove.
Re-installing
u Re-install the mixing head in reverse order, ensuring the correct alignment and
cleanliness of the gasket 3.
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