Hatz 2-4L30, Workshop Manual

Page: 139 / 174

Repair data
4
L / M . . / 07.96
Cylinder head L 31. M 31
L 40. M 40 L 30 H .L30
L 41. M 41
Length of inner valve spring,
off-load mm 45.5
Wear limit mm 44.0
Length of outer valve spring,
off-load mm 58.0
Wear limit mm 56.5
Rocker shaft
∅
mm 19 f 6
-0.020
-0.033
Wear limit
∅ mm 18.90
Bore in rocker
∅
mm 21 H 7
+0.021
0
Rocker bushing innen
∅
mm 19
+0.046
-0.012
Wear limit innen
∅
mm 19.20
Radius at rocker mm 8
(no flats allowed)
Axial clearance of rocker mm 0.1 - 0.2
(insert shims only on
the circlip side)