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GB125/35 Field Action - Safety Rework Instructions
8.
Now apply silicone to the groove of the clean-out cover. The
aim is to insert a 1-2 mm wide silicone bead all the way round
the outer edge of the cover groove (Fig. 20-22).
It is important that the groove is not completely fi lled with
silicone. The base of the groove should still be half free.
A pplying silicone requires a certain degree of precision,
so test the silicone cartridge on a piece of paper before-
hand.
9.
Insert the seal into the groove and press it fi rmly right down to
the bottom of the groove (Fig. 23).
Data subject to change without notice | BTC 410004103 C | 01.2020
Figure 20
10.
Ensure that the seam or joint of the new seal is centered on
one of the long sides of the inside of the cover (Fig. 24) and
that the seal is fl ush with the edges of the groove (Fig. 25).
Figure 21
Figure 22
11.
Replace the clean-out cover and secure it with the clips. After
this, perform another visual check (Fig. 12) to ensure that
the cover sits fl ush and the seal is not visible at any point,
otherwise the procedure must be corrected. Finally, put the
thermal insulation back in the correct position. Close the
boiler casing. After this, you can start the boiler up again.
5 of 5
Product Information Notice
Figure 23
Figure 24
Figure 25
Bosch Thermotechnology Corp.
65 Grove Street
Watertown, MA 02472
Tel: (800) 323-1943
Email: gb125.35recall@us.bosch.com
www.boschheatingandcooling.com
Bosch Thermotechnology Corp.
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