Yaroslavl ???-236, Руководство по обслуживанию, Страница: 67 / 270

6
Д
Е
Deformation of the joining
surface of the head to the block
Slab
2-1-1000 630.
Ruler-150.
Gauges 0.02 and
0.05 mm
Tolerance for flatness of the surfaces E and Д at the length 100
0.02
- To process
till the
elimination
of the
defect
7
К
Л
Wearing of the holes for the
guides of the valve bushings
Inside gauge
10-18
- Tolerance for flatness
of the surfaces E and Д at the whole
length
0,05-
ГЦ:236, 236Д
0,06-
ГЦ:238, 238Д
Ø12
+0,019
To replace the
bushing
8
9
11
Н
Д
Е
Г
Ж
Loosening seating of the valve
seats
Corrosive damages of the
surface near the
holes of the water supply
Thread stripping no more than one
thread under the fasteners of
collector pins,
water pipes and nozzles
To proof the seating with the
slight hammer tapering
Inspection
«
-
-
-
-
-
-
To reject
To weld, to
build-up and
to process till
the metal
To calibrate
the thread
Note - Working surfaces of the valve seats should be processed.