| 1. Raise the car. | 
 
 | 2. Shine with a lamp rubber of cuffs and check it on lack of porosity and cracks. Immediately replace the cracked cuffs. | 
 
 | 3. If the cuff because of depression in the hinge is extended inside or damaged, it is necessary to replace it at once. | 
 
 | 4. Pay attention to visible traces of oil on cuffs and round them. | 
 
 | 5. Check rigid landing of tightening collars. |