Installation and operating instruction
Oil burner WL40Z-A
9 Servicing
83298002 3/2019-11 La
69-112
9.9 Removing and refitting oil pump
Observe notes on servicing [ch. 9.1].
Removing
Close fuel shut off devices.
Unplug plug
1
.
Remove oil hoses
5
and pressure hose
4
.
Undo screws
2
and remove oil pump.
Refitting
Install oil pump in reverse order and:
ensure correct alignment of coupling
3
,
ensure correct allocation of flow and return of the oil hoses.
CAUTION
Damage to the oil pump caused by incorrect connection
Mixing up supply and return can damage the oil pump.
Ensure correct connection of oil hoses to the supply and return of the pump.
1
1
3
4
5
2