Hatz 2-4L30 User Manual

4
L / M . . / 07.96
Repair data
.L 30 / H .L30 .L 31 / .M31 .L41/.M41.
.L 40 / .M40
Conrod
Bore for piston pin (small end) ∅ mm 35 H 6
+0.016
39 H 6
+0.016
bushing
00
Big end bore ∅ mm 63 H 6
+0.019
67 H 6
+0.019
00
Piston pin bushing external ∅ mm 35
+0.085
39
+0.085
+0.045 +0.045
pressed-in internal ∅ mm 32
+0.075
36
+0.080
+0.030 +0.035
Wear limit internal ∅ mm 32.30 36.30 36.30
Max. misalignment.* mm 0.08 0.08 0.08
Cylinder
Bore mm 95 +0.01 102 +0.01
Wear limit mm 95.15 102.15
Oversize mm +1.0 +0.5 / +1.0**
Roughness Ra 0.9 - 1.3 µ (1 µ = 1/1000 mm)
Piston
Normal ∅ mm 94.94 101.92 101.90
Oversize mm +1.0 +0.5 +1.0**
Clearance max. mm 0.07 0.09 0.11
Clearance min. mm 0.06 0.08 0.10
Piston pin bore ∅ mm 32
+0.009
36
+0.010
+0.004 +0.004
Wear limit mm 32.05 36.05 36.05
Piston pin ∅ mm 32
0
36
0
-0.006 -0.006
Wear limit mm 31.95 35.95 35.95
Piston ring endplay max. mm 0.2 0.2 0.2
* At 300 mm length: conrod must not be readjusted.
** These oversize-cylinders resp. pistons are no more available.

Hatz 2-4L30 Specifications

General

Brand	Hatz
Model	2-4L30
Category	Engine
Language	English