35
25/01/2012 - 300016864-001-C
P 520
44
Front
see fig. 46
`
Fasten the lower rail with H8 x 30 screws and L8 washers.
`
The other rail support brackets are fastened opposite the holes
provided on the lower rail.
Length required while assembling the 2-piece rails (boilers
with 19 to 25 sections), see fig. 47.
45 Assembling the fastening brackets of the upper and lower rails
Package RC2 and RC3
Imperative alignment.
`
Fix the fastening bracket of the upper rails (package RC2 or RC3) on the upper lug
(these brackets must be vertically aligned with the
lower rail support brackets).
`
Fit the bracket onto the stub
.
`
Fasten with 1 screw H10 x 50 and serrated washers and H10 nuts
.
`
Assemble 1 "Rapid" nut on the top of the bracket
with the tapped shaft on the inside.
00
0
M
0
1
7
1
M000108
3
1
·
·
·
4
2
1
4
3
2
2
1