Limiting values
Service Data
Dimensions
140
Cylinder-head bolts
Length: With each tightening, the bolts
are deliberately stressed beyond the
stretch limit and each tightening thus ex-
tends their length permanently.
When the max. length has been reached,
the bolt may no longer be used.
Angle of rotation symbol
51.90490-0022:
new: 167,5-168 mm,
max. 170 mm
51.90490-0023:
new: 143,5-144 mm,
max. 146 mm
51.90490-0024:
new: 108,5-109 mm,
max. 111 mm
Valve recess
Intake valve:
11,968-11,982 mm
Exhaust valve: 11,943-11,957 mm
Max. wear limit:
0.1 mm below base dimension
Do not reuse valves with damaged chro-
mium layer!
Valve recess for intake and exhaust
valve:
0,7-1,3 mm
Valve springs
Inner spring:
Free length (L), approx. 65,5 mm
Spring force at L = 46,3 mm: 128-152 N
Spring force at L = 32,3 mm: 255-294 N
Outer spring:
Free length (L), approx. 59 mm
Spring force at L* = 46,8 mm: 324-353 N
Spring force at L* = 32,8 mm: 696-755 N
The lowest spring force is at the same
time the wear limit value.
XXX
90
+3
Ø
L
L*
Summary of Contents for D 2866 LUE 605
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Page 14: ...Notes 12...
Page 19: ...Memoranda 17...
Page 20: ...Engine views 18 Engine views 3 4 2 1 7 6 5 8 11 10 9...
Page 68: ...Memoranda 66...
Page 133: ...131 Service Data...
Page 157: ...155 Special tools...
Page 158: ...Special tools 156 2 3 4 5 6 7 8 1 6 1 6 2 6 3 9 1 9 2 9 3 9...
Page 162: ...Special tools 160 21 22 25 25 2 24 25 1 26 27 1 27 2 27 20 1 19 2 19 1 20 2 19 20 23 28...
Page 164: ...Special tools 162 30 31 32 1 32 32 2...
Page 167: ...Special tools 165 Pressing mandel for cap dia 62 1 mm Pressing mandel for cap dia 50 1 mm...
Page 170: ...Notes 168...
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