Remove/install front cover on cylinder head - AR01.30-P-5700ML

ENGINE 275 in MODEL 215, 216, 220, 221, 230 Left cover 

ENGINE 285 in MODEL 240 Left cover 

Fig 1: Identifying Cylinder Head Front Cover Remove/Install Components - Shown On Model 220.176

Courtesy of MERCEDES-BENZ USA

Shown on model 220.176 

	Remove/install
1	Drain coolant at radiator		AR20.00-P-1142H
2	Remove left cylinder head cover (1)		AR01.20-P-5014H
3	Remove pressure regulating valve (2)	Pressure regulator valve at left front cover	*BA01.30-P-1007-01G
4	Remove screw/bolts (3) and remove front cover (4)
	Notes on sealant path for front cover to cylinder head xxx		AH01.30-P-1000-02D
		Install a new radial shaft sealing ring (5). Note sealant path on front cover (4).
		Left front cover on cylinder head	*BA01.30-P-1006-01G
		Loctite 5970 sealant	*BR00.45-Z-1013-01A
		Application gun	Figure
	Clean
5	Clean sealing surfaces on front cover (4) and cylinder head		AR01.00-P-0050-01A
		Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise.
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
6	Install in the reverse order

Fig 2: Identifying Application Gun (112 589 00 25 00)

Courtesy of MERCEDES-BENZ USA