3
28 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
Cylinder head
To inspect Operation 3-16
Use a straight edge and feeler gauge to check the six positions for distortion.
Caution: Do not grind beyond the maximum limit.
Maximum regrind limit mm (in)
Distortion Maximum service limit Maximum regrind
0,05 (0.002) or less 0,12 (0.005) 0,15 (0.006)
H1049
3
1
2
6
4
5