Remove/install hydraulic valve clearance compensating elements - AR05.00-P-2011CD

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ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221

Fig 1: Hydraulic Valve Clearance Compensating Elements Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove camshafts		AR05.20-P-6992CD
2	Remove cam follower (2) together with the compensating element (1)	When removing several compensation elements (1) make sure that roller-type cam follower (2) with compensation elements (1), which were not replaced, are re
		Oil cam follower (2) and compensation elements (1).
3	Detach clamp (3) by hand and remove compensation element (1) from cam follower (2)
	Checking
4	Check compensation element (1) for proper operation, replace if required	Only push compensation element (1) together by hand, do not use a steel tool. The surface of the compensation element (1) can be damaged otherwise. The compensation element (1) should not be pressed together with a normal force of the hand and only slightly by using strong pressure. If several compensation elements (1) are defective, check the pressure oil supply to the cylinder head. See: ↓
		Check oil pressure	AR18.00-P-1250CD
5	Install in the reverse order