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7
Boiler block assembly
The packing springs must be clean and dry. Clean if necessary.
▶ Clean the hub sealing faces with a rag soaked in solvents or gasoline.
▶ Evenly coat the hub sealing faces with sealant ( Fig. 17, [1]).
▶ Coat the packing springs with primer ( Fig. 17, [2]).
1
Fig. 17 Preparing the intermediate section
To make installation easier, place the boiler section to be
fitted onto the nipple on the upper hub first. Once this
has been done, the boiler section can be aligned with the
lower hub.
The directional arrow ( Fig. 18, [3]) must point toward the rear.
▶ Position the intermediate section so that the upper and lower hubs
( Fig. 18, [2 and 4]) fit onto the nipples in the rear section.
▶ Drive first intermediate section onto the rear section using a wooden
or a rubber mallet ( Fig. 18, [1]).
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4
Fig. 18 Pound intermediate section in place
16
2
720 42 23-15.1o
2
Fig. 19 Boiler assembly tool 2.3
3
6 720 642 621-11.1o
Before the nipples are inserted in the next intermediate
section, the part-assembled boiler block must be
compressed using the boiler assembly tool.
NOTICE: The boiler can be damaged by pulling the boiler
sections together incorrectly or from excessive
compression.
▶ Ensure that the nipples are positioned straight in the
boiler hubs after being pounded in and that they have
not been compromised.
▶ Never compress more than one nipple joint at a time.
▶ Stop compressing the sections when the boiler hubs
meet.
NOTICE: Assembly tool damage from loose screw
connections of the tie rods.
▶ Always check the tie rods before each use and
retighten as necessary. The tie rod is correctly
positioned if it is fully inserted and no threads are
showing ( Fig. 19, [2]).
▶ Always keep the threads ( Fig. 19, [1]) clean.
Dirty threads may damage the assembly tool during
assembly.
1
CAUTION: Danger of accident from material fatigue.
Improperly used or poorly maintained assembly tools
may fail.
▶ Never work directly in front of the assembly tool
while it is being tensioned.
▶ Ensure that no one is standing in front of the
assembly tool.
Logano G515 – 6 720 647 208 (2014/09)
2
720 42 23-18.1o
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