5
Boiler block assembly
Logano G225/Logano plus GB225 - We reserve the right to make any changes due to technical modifications.
20
5.1.7
Joining the boiler sections at the upper and
lower boiler bosses with boss liners
Fig. 12 Assembling the pull rods
1
Pull rod threaded connection (incorrectly joined)
2
Pull rod threaded connection (correctly joined)
V
Push one pull rod each through the lower and the
upper boiler hub of the part assembled block.
Fig. 13 compression tool fitted to the top boiler boss
1
Compression unit
2
Pressure plate (dia. 135 × 25, top boiler boss)
3
Brace plate (dia. 135 x 25, top boiler boss)
4
Wedge
5
Pull rod in the upper boiler hub
Caution: Risk of boiler damage due to
unsuitable compression tool.
V
Use only the size 1.2 compression tool
suitable for your boiler (
Æ
observe
documentation supplied with
compression tool).
Caution: Risk of damage to compression
tool
The compression tool may be damaged or
destroyed, if you compress pull rods with
loose threaded connections.
V
After each compression operation, check
the screwed joints of the pull rods [1, 2]
and tighten if necessary.
The pull rods [2] is correctly assembled
when it is fully fitted together and no
thread is visible.
V
Keep the thread of the compression tool
clean. Dirty threads can cause damage to
the compression tool when in use.
6 720 615 876-12.1RS
2
1
Caution: Risk of boiler damage due to
incorrectly positioned pressure plate.
If the pressure plate is seated against the
joint lip/groove of the boiler section during
the compression operation, the joint may be
damaged and subsequently leak.
V
Ensure that the pressure plate is seated
flat against the boiler boss.
6 720 615 876-13.1RS
5
4
3
2
1
