Servicing
5
Installation and maintenance instructions for wall-mounted condensing gas boiler 600 - 28C • 01/2004
49
Subject to modifications resulting from technical improvements!
Boulter Buderus Ltd. • http://www.boulter-boilers.com
z
Remove both plugs from the fan (fig. 66, item 1) and the
nut (fig. 66, item 2).
z
Remove the fan by moving it in the direction of the arrow
(fig. 67).
z
Check if the fan is dirty, wet or if the impellor is loose to the
axle.
z
Remove the gas valve (fig. 68).
fig. 66 Remove plugs and nut
1
2
fig. 67 Remove fan
fig. 68 Remove gas valve