Yaroslavl ???-236, Maintenance Manual

Page: 72 / 270

Picture is on the next page
Name of the part or assembly unit
Marking
Right water pipe Right water pipe Left water pipe
Left water pipe
236-1003290-
В
238-1003290-
В
236-1003291-
В
238-1003291-
В
Material
Hardness
АК7М2Мг
-
80 НВ, no less
N
um
be
r
of
t
he
d
ef
ect
L
oc
at
ion o
f
the
pi
ct
ur
e
Possible defect
Method defect detection of the
defect and method
control
Dimension and parameter, mm
Conclusion
nominal
maximum allowable
without repair for repair
1
2
-
-
Cracks on the surface of the
pipe or cavitation damage of
the water cavity at the flanges
Cracks or breaks at the
flanges of the pipe fitting
Inspection.
-
-
-
-
-
To weld
To weld
To built-up