4
400 Series Connecting rod To inspect
Operation 4-9
Engine All models
Standard
Service limit
Distortion for 100 mm (3.937 in)
< 0,08 mm (0.0031 in)
0,20 mm (0.0079 in)
Parallel for 100 mm (3.937 in)
< 0,05 mm (0.0020 in)
0,15 mm (0.0059 in)
The large and small end bores must be parallel with each other within the limits of ± 0,31 mm (0.008 in) measured 100 mm (3.397 in) each side of the connecting rods axis on a test mandrel. Check the small end bush for wear or for other damage and renew it if necessary. Check the fit of the gudgeon pin in the small end bush and check the gudgeon pin for wear.
± 0,08 mm
100 mm
100 mm
(3.937 in)
(3.937 in)
(0,0031 in)
± 0,08 mm (0,0031 in)
H1060
Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
41
