series 53 cummins 5.9 engine block
TRANSCRIPT
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5.9 Cummins Block #53
Casting
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Crack Repair with
CASTMASTER pins
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Drilling the first series of holes
A drill spacing
jig is used toachieve proper
spacing of the
drilled holes. Aright angle drill
is used to drill
under the edgewhere the crack
is.
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First series of holes are drilled
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First series of holes are spotfaced
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First series of holes are threaded
with a special CASTMASTER tap
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Installing the stitching pins,
heads twist off when tight enough
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First series of pins are installed
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Second series of holes
The second series ofholes are drilled,
spotfaced and tapped
at every other
remaining space
overlapping into the
pins on both sides.
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Third series of holes
After the secondseries of pins are
installed, The third
series of holes aredrilled, spotfaced and
tapped.
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Final series of pins are installed
After the final series
of pins are installedcreating a solid
continuous row of
overlapping stitching
pins, the tops of thepins are ground close
to the surface
completing the repair.
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Stress free and pressure tight
The finished repair
is pressure tested toassure tat there are
no leaks. If a leak is
found, another pin iseasily installed to
seal the leak.