Yaroslavl ???-236, Maintenance Manual

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N
um
be
r
of
t
he
d
ef
ect
L
oc
at
ion o
f
the
pi
ct
ur
e Possible defect
Way for defect
detection and means of
control
Dimension and parameter, mm
Conclusion
nominal
nominal
without repair for repair
3
4
5
6
-
Е
В
A
Д
Г
Cracks and breaks except
specified in the defects
1 and 2
Deformation of the flange
fixture surface to the
thermostat
Deformation of the surface of
the pipe fitting flanges
Thread stripping no more than
one thread:
М8-6Н
К1/4" GOST 6111-52 (for
236-1003290-
В
and 238-1003290-
В)
К3/8" GOST 6111-52
Inspection
Inspection
Slab
2-1-
1000х630.
Gauge 0.3 mm
The same
Inspection
Inspection
«
-
Tolerance for flatness of the surface E:
0.15
Deformation of the surfaces B relatively to
the total joining
flatness:
0.2
-
-
-
-
0,3
-
-
-
-
-
-
-
To reject
To process till the
elimination of the defect
The same
To calibrate the thread
To face and deepen the
thread
The same