Check up next sizes:
1. Axial люфт
2. Backlashes in basic necks
3. The size of cams
Axial люфт it is checked or before cam-shaft removal, or installation, at the removed belt (chain). Люфт проверяетсястрелочным a micrometer. On the engine with a demountable persistent cover люфт it is checked щупом. If люфт raised replace a persistent cover. If люфт still big replace a cam-shaft.
The backlash in basic necks is checked on раздавливанию plastic calibre between a neck and a cover. Covers and necks should be carefully cleared of oil, bolts are tightened with the set moment at a motionless cam-shaft.
If the measured backlashes and the sizes mismatch norm a cam-shaft replace.
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