Install Instructions

20
Installation and maintenance instructions Logano G215 US oil/gas-fired boilers • Issue 2012/10
We reserve the right to make any changes due to technical modifications.
Boiler block assembly7
z Push one pull rod each through the lower and the
upper boiler hub of the partly assembled block.
z Push the auxiliary flange onto the pull rods of the
lower and upper boiler hubs.
z Push the mating flange onto the pull rod of the lower
and upper boiler hubs, and secure with the
respective wedges.
z Thread the compression units onto the pull rod
threads.
z Hold the pull rods at the center of the boiler hubs and
slightly draw together the compression tools using
the compression unit.
z Set both ratchet wrenches on the clamping nuts of
the compression units and press the boiler sections
together by evenly tightening the nuts.
Fig. 13 Compression tool assembled at the upper boiler hub
1 Compression unit
2 Auxiliary flange (Ø 5 3/8" × 1" top boiler hub)
3 Mating flange (Ø 5 3/8" × 1" top boiler hub)
4 Wedge
5 Pull rod in the upper boiler hub
1
2
435
CAUTION!
BOILER DAMAGE
due to incorrectly positioned auxiliary
flange.
Leaks may occur if the auxiliary flange sits
on the packing spring/groove of the boiler
section during the compression process.
z Ensure that the auxiliary flange lies
level on the boiler hubs.
Fig. 14 Compression tool assembled at the lower boiler hub
1 Compression unit
2 Auxiliary flange (Ø 3 1/8" × 1")
3 Mating flange (Ø 3 1/8" × 1" bottom boiler hub)
4 Wedge
5 Pull rod in the bottom boiler hub
1
2
3
4
5
NOTICE
Push the compression units far enough
onto the pull rod threads that two thread
windings protrude from the compression
units.
Fig. 15 Positioning ratchet
1 Ratchet
2 Clamping nut
1
2