29
TopGas Cascade
60 - 720 kW
4215256-00 - 11/16
If the cascade arrangment purchased is a three or four boiler back
to back model, you will receive rear support legs as shown opposite.
These are to be fitted onto the rear of the side plates as shown. You
will also recieve extension pipes that will connect the flex connec-
tions to the header. Each rear support will come with the fixings:
2 x 75mm M10 bolts (2056546)
2 x M10 nuts (2042599)
4 x M10 washers (2042608)
3 x M8 adjustable feet (2067454)
Build as shown and tighten to 45Nm.
Fit the adjustable feet to both of the side plates. Set to the correct
length and tighten using a 22mm spanner.
5.1.1 Step 1: Build the frame (1 boiler inline 2 boiler back to back)
6 x 75mm M10 bolts (2056546)
2 x side plates
6 x M10 nuts (2042599)
2 x horizontal support beam
12 x M10 washers (2042608)
1 x horizontal cross bar
1 x 1/8” Gas test nipple (2056819)
1 x 1/4” to 1/8” reducing bush (2068414)
12 x 50mm M16 bolts (2053287)
12 x M16 nuts (2044783)
24 x M16 washers (2042610)
Flow, return and gas connection gaskets
6 x M10 adjustable feet (2067454)
2 x DN80 Unions (TG60, 80) (2067951)
2 x DN100 Unions (TG100,120) (2043066)