Remove/install retaining lock for crankshaft/ring gear - AR03.30-P-5000EL

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ENGINES 157, 276, 278 in MODEL 212, 218

Fig 1: Crankshaft/Ring Gear Retaining Lock

Courtesy of MERCEDES-BENZ USA

	Installing, removing
	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
1	Remove bottom engine compartment paneling		AR61.20-P-1105EW
2	Unscrew nuts (1) and remove bolts from transmission bell		*BA27.40-P-1008-01A
3	Remove cover (2) from crankcase
	Checking
4	Check splines of ring gear for drive plate	Check splines for wear and damage by rotating engine at the center bolt for crankshaft in its direction of rotation. If necessary: ↓
		Replace drive plate.	AR03.30-P-8001EL
			Figure
	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
5	Insert retaining lock (01) into access opening	If required, rotate engine further at center bolt for crankshaft in engine's direction of rotation until the retaining lock (01) snaps into place.
			Figure
6	Remove in the reverse order

HOUSING

Number	Designation			Transmission 722.9
BA27.40-P-1008-01A	Screw/bolt, automatic transmission to engine	M10X40	Nm	38
		M10X90	Nm	38
		M12	Nm	-

Fig 2: Identifying Wrench Socket (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Retaining Lock (112 589 03 40 00)

Courtesy of MERCEDES-BENZ USA