13
98 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
To check for concentricity and alignment of the flywheel housing Operation 13-2
Check the housing concentricity with a dial test indicator (A). The run-out limit is given in the table below. If any
adjustment is necessary, it must be made on the housing and the concentricity checked again.
Check the housing alignment (B). The maximum tolerance is given in the table below. Any necessary
adjustment must be made on the housing and not on the cylinder block.
Flywheel housing bore run-out SAE 5 Flywheel housing SAE 4 Flywheel housing
All models 0,20 mm (0.008 in) 0,23 mm (0.009 in)
Flywheel face run-out SAE 5 Flywheel housing SAE 4 Flywheel housing
All models 0,20 mm (0.008 in) 0,23 mm (0.009 in)
A
A0177
B
A0178
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