17.3 Pump dismantling
To dismount a pump it is necessary to:
1) switch the boiler off( see section
2) block inlet and output stop valves of the boiler, drain the heat carrier out of the boiler (see section
there are no stop valves, drain the heat carrier out of the whole heating system);
3) put the casing and sealing cap off from the boiler (see p.
4) Remove the clip 1 (See scheme 23);
10.4
, page 24);
17.1
, page 41);
Technical staff manual
10.5
, page24) (if