Remove/install crankshaft

AR03.20-P-4351B

23.01.2019

Engine

604, 605, 606

Shown on engine 604

2	Bearing cap
2a	Fitted bearing cap
3	Bearing cap screws
20	Crankshaft
21	Bearing shells in bearing cap (without oil hole)
22	Thrust plates (axial bearing) in bearing cap (with retaining lug)
23	Thrust plates (axial bearing) in cylinder crankcase of engine 604 3. Main bearing = thrust bearing in engine 605 4. Main bearing = thrust bearing in engine 606 5. Main bearing = thrust bearing
24	Bearing shells in cylinder crankcase (with oil hole)

P03.20-0215-06

 	Remove/install
1	Remove engine	Engines 604, 605 in model 202	AR01.10-P-2400HA
		Engines 605, 606 in model 124, engine 124M606.961 in model 140	AR01.10-P-2400HB
		Engine 606 in model 463	AR01.10-P-2400GG
2	Remove cylinder head	Models 124, 140, 202, 210	AR01.30-P-5800HA
		Model 463	AR01.30-P-5800GG
3	Remove timing case cover	Models 124, 140, 202, 210	AR01.40-P-8000HA
		Model 463	AR01.40-P-8000GG
4	Remove end cover		AR01.40-P-8913HA
5	Remove pistons		AR03.10-P-7021B
6	Unscrew crankshaft bearing caps (2, 2a)	Check crankshaft bearing cap bolts	AR03.20-P-4351-03A
	Interference fit of crankshaft bearing cap	Motor 604, 605, 606	AH03.20-P-4351-02VA
		 Installation: Lubricate screws of crankshaft bearing caps on thread and bolt head contact surface and tighten from the inside out, starting at the thrust bearing. Turn crankshaft and check for ease of movement.
		 The crankshaft bearing caps (2, 2a) are numbered consecutively, starting with the first crankshaft bearing cap at the front Pay attention to fit 
		Crankshaft bearing cap bolts	*BE03.20-P-1001-01A
		 Bolt for crankshaft bearing cap	*BA03.20-P-1001-01A
		Fit of crankshaft bearing cap
		
		Check screws/bolts for crankshaft bearing cap
7	Remove crankshaft (20) from cylinder crankcase	 Installation: Lubricate bearing shells before inserting them into crankshaft. The oil grooves in the thrust plates (22) and (23) must point toward the thrust collars of the crankshaft. The thrust plates (22) in the bearing cap each have two retaining lugs as an anti-twist lock
8	Install in the reverse order

Check values for crankshaft bearing cap bolts

Number	Designation			Engine 604, 605, 606
BE03.20-P-1001-01A	Crankshaft bearing cap bolts	Thread diameter	M	11
		Length (L) when new	mm	61,8...62,2
		Max. length (L)	mm	63,8
		For picture, see		AR03.20-P-4351-03A

 Crankshaft

Number	Designation				Engine 604, 605, 606
BA03.20-P-1001-01A	Bolt for crankshaft bearing cap	M11	Stage 1	Nm	55
			Stage 2	°	90

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