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B Set both ratchet wrenches on the clamping nuts of
the compression units and press the boiler sections
together by evenly tightening the nuts.
1
Fig. 15
Positioning ratchet
1
Clamping nut
2
Ratchet
CAUTION: Boiler damage due to leaking
boiler sections.
B For each compression procedure ensure
thatno more than one nipple joint (one
nipple joint comprises two sections) is
compressed.
B Never jam nipples into the boiler hubs of
the boiler section.
B Stop pressing the sections together
when the boiler hubs meet.
B Release and remove the compression tool.
B Hammer the nipples into the assembled boiler block
(
Chapter 5.1.2, page 18).
B Prepare all other intermediate sections as described
above and join them at the nipples.
Fitting the front section
Due to the threaded studs, do not use the auxiliary
flange at the front of the upper boiler hub when
assembling the front section.
B Push the pull rod together with the compression unit
through the upper boiler hub.
B Carry out all other steps as described
(
Chapter 5.1.7, page 20).
Fig. 16
2
5.1.8
6 720 648 032-15.1T
B Insert the anchor rods with spring washers into the
case cams on the l.h. and r.h. side as well as adjacent
to the lower boiler hubs.
1
1
Fig. 17
1
Compression tool
2
Anchor rods
3
Nut
4
Spring washers
5
Cast lugs
A
Spring washer arrangement
Boiler block assembly | 21
Fit the compression tool to the front section
Fitting the anchor rods
CAUTION: System damage due to incorrect
spring washer assembly.
B Ensure that the spring washers are
arranged opposite each other on the
anchor rods.
Insert the anchor rods before removing the
compression tool.
Never remove the compression tool first.
2
2
Ankerstangen montieren
6 720 648 032-16.1T
3 4
5
A
6 720 648 032-17.1T
6 720 648 162 (2011/08)
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