Yaroslavl ???-236, Maintenance Manual

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Name of the part or assembly unit
Marking
Drive gear of the main section
236-1011030-
Б
Material
Hardness
I. 236-1011032-
Б – steel 40ХР
II. 236-1011025-
Б – steel 15ХФ
26…30 НRC
53…64 НRC
N
u
m
b
er o
f
th
e
d
ef
ect
L
oc
at
ion o
f t
he
p
ic
tu
re
Possible defect
Method of detection
of the defect and method
control
Dimension and parameter, mm
Conclusion
nominal
maximum allowable
without repair for repair
1
2
3
4
-
Г
Е
В
Cracks or breaks at the axis or
the gear
Chipping of the teeth on the
working surface
Wear of teeth thickness
Wear of the gear at the teeth
outer diameter
Inspection.
Inspection.
Magnifier ЛП-1-4
х
Calibre
Clamp СРП50
-
-
h=4,787
-
-
-
-
-
-
To reject
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