Buderus Logano G615 Installation And Service Instructions Manual page 20

7
Boiler block assembly
1-3/4" (43 mm)
(32 mm)
Fig. 11 Driving nipples home
B Coat the packing grooves with adhesive (primer).
Fig. 12 Coat the packing grooves with adhesive
(primer)
1 Packing grooves
B Insert the flexible sealant rope on the front of the rear
section, starting around the top hub, into the packing
grooves, and press in lightly.
B At the butt joints, overlap the sealant rope by approx.
3/4" (20 mm) and press firmly together.
Unroll the required length of sealant rope
from the spool supplied. Peel the backing
paper from the sealant rope when inserting
into the packing groove (do not stretch).
20
43
1-1/4"
32
720 42 25-09.1o
1
720 42 21-08.1o
B Do not let sealant rope overlap at the left and right of
the butt joints ( Fig. 13, [3]).
1
Fig. 13 Inserting sealant rope
1 Packing grooves
2 Sealant rope
3 Butt joints
Prepare the first intermediate section (with top
supply connection):
B File down any burrs on the hub.
B The packing springs must be clean and dry. Clean if
necessary.
B Clean the hub sealing faces with a rag soaked in
mineral spirit or gasoline.
1
Fig. 14 Preparing the center section
1 Sealing face of the hub
2 Packing springs
Logano G615 - Subject to technical modifications
2
720 42 21-09.1o
2
720 42 25-12.1o