4
Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green 41
400 Series
Connecting rod
To inspect Operation 4-9
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.
Engine Standard Service limit
All models
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)
H1060
± 0,08 mm
(0,0031 in)
± 0,08 mm
(0,0031 in)
100 mm
(3.937 in)
100 mm
(3.937 in)
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