Yaroslavl ???-236, Руководство по обслуживанию, Страница: 211 / 270

Table 3.2–Legend, name, material of the springs and parameters for their control
Legend Name Material Length l in the free
condition according to
the drawing, mm
Axial force of the
spring according to the
drawing,
F
(kfg)
)
Length l1
with the deformation under the impact
of the axial force, mm
according to the
drawing
allowable without
repair
1 2 3 4 5 6 7
236-1007020-A External valve spring Wire
51ХФА-К-Д-1А-
П-4.8 GOST 1071-81
76.5 481.65-532.35
(49.14-54.32)
40.5 36.5
236-1007021-A
Internal valve
spring
Wire
65ГА-К-Д-2А-П-
3,5 GOST 1071-81
64.5 263.72-291.48
(26.91-29.75)
35.5 32
236-1011058-
Б
Spring of the flow
regulation valve of the
delivery section
Wire
А-1-2,5 GOST
9389-75
59.5-61.5 160-210 (16-21) 50.5 45
236-1011368-
Б
Spring of the release
valve of the radiator
section
Wire
65ГА-2А-1,4
GOST 1071-81
53.75-56.25 25.5-37.2
(2.6-3.8)
40 36
236-1012058 Spring of the overload
relief valve
Wire
A-2-2,0 GOST
9389-75
86 57-73
(5.7-7.3)
61 54,9
238-1601102-B Belleville spring of the
centre drive disk
Wire
A-2-2,0 GOST
9389-75
49-51 75-105
(7.5-10.5)
32 29
238-1601115-A2
Compression clutch
spring
Wire
68ГА-2А-4,5
GOST 1071-81
86.75.89.25 426.7-495.3
(43.5-50.5)
56 51