Yaroslavl ???-236, Maintenance Manual

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N
um
be
r of
the
d
ef
ect
L
oc
at
ion o
f
th
e p
ic
tu
re
Possible defect
Way for defect detection
and means of control
Dimension and parameter, mm Conclusion
nominal maximum allowable
without repair for repair
5
Б
В
Thread stripping no more
than one thread:
М8х1-6h
М10-3H6Н
Inspection. Inside gauge
НИ100-160-1
See the table
3
-
-
-
To calibrate the
thread
To install threaded
insert
Table 3 – Categorical repair dimensions of the upper block cover
Number
of the defect
Dimensions according to the working drawing
Repair dimensions of the thread, mm
1
2
М8х1.25Cп
М10х1.25
Cп
Technical requirements for the repaired assembly unit
Number of the defect
1
1 positional tolerance for the threaded holes B – 0.2 mm radius
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