Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
9 Servicing
83311002 1/2018-03 La
84-132
9.14 Removing and refitting oil pump
Observe notes on servicing [ch. 9.1].
Removing
Unplug plug number 3 and 4.
Remove oil hoses
6
, screwed union
5
and oil hose
1
.
Undo screws
4
and remove oil pump.
Refitting
Install oil pump in reverse order and:
ensure correct alignment of coupling
2
and sealing rings,
ensure correct allocation of plug cables
3
.
1
2
5
6
3
4