Check the next sizes:
1. Axial люфт
2. Gaps in basic necks
3. size of cams
Axial люфт it is checked or before cam-shaft removal, or installation, at the removed belt (chain). Люфт proveryaetsyastrelochny micrometer. On the engine with a demountable persistent cover люфт it is checked the shchupy. If люфт raised, replace a persistent cover. If люфт still big, replace a cam-shaft.
The gap in basic necks is checked on a razdavlivaniye of 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 gaps and the sizes do not correspond to norm, a cam-shaft replace.
|