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
3
4
5
И
T
В
Е
Ж
М
С
Г
Д
Н
Л
У
К
Р
П
Cavitations damage of the
water passage walls:
at the inlet
at the outlet
Loosening of the seating of
the pins
Thread stripping no more than
one thread:
М8-6Н
М10х1-4h
М10-6Н
М10-3N6Н
М14х1.5-6Н
М14-3Н6Н
К 3/8"GOST 6111-52
Inspection. Beam
compassШЦ-I-125-0.1-1
Proofing of the seating by
hand
Inspection
Inspection
«
«
«
«
Ø32
Dimension
Ф
14,1 ±1,5
M10x1,5Сп
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
To weld
To replace the pin
To cut a thread of
repair dimension for
the installation of the
repair
Pin
To calibrate the
thread.
The same
To calibrate the
thread.
The same
«
To face and deepen
the thread
Note - Distributing timing cover should come for inspection without bushing
Table 5 – Categorical repair dimensions of the upper block cover
Number
Dimensions according to the working drawing Repair dimensions of the thread, mm