Remove/Install Centrifuge - AR01.20-P-2100MLJ

Engine 157, 278 in model 166 

Engine 157, 278 in model 292 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove upper engine cover
2	Remove the right engine compartment partition wall
3	Remove right air filter housing
4	Remove insulation on right rail
5	Detach wiring harness from crash plate and remove crash plate		AR07.02-P-1020MLJ
6	Remove insulation from high-pressure pumps		AR07.02-P-1020MLJ
7	Detach crankcase ventilation system (2) on cylinder head cover	Just the two screw/bolts need removing or the cylinder head covers. The connection between the charge air pipe and charge air cooler does not need to be released.
8	Raise vehicle		AR00.60-P-1000GZ
9	Remove rear and center section of lower engine compartment paneling		AR61.30-P-1001GQ
10	Detach vacuum line (1) on intake manifold
11	Remove screw/bolts (3) on centrifuge cover (1) from below	Bolt, centrifuge cover to cylinder head/cylinder head cover	*BA01.20-P-1001-01L
12	Remove screw/bolt (4) on centrifuge cover (1) from below	Bolt, centrifuge cover to cylinder head/cylinder head cover	*BA01.20-P-1001-01L
13	Pull centrifuge cover (1) upwards
14	Remove screw/bolt for centrifuge at the camshaft	Screw/bolt, centrifuge to camshaft sprocket	*BA01.20-P-1002-01L
15	Remove centrifuge from camshaft	The dowel pins determine the installation position of centrifuge at the camshaft.
	Check
16	Check seal and radial shaft sealing ring for wear and damage; replace centrifuge cover (1 if necessary
17	Check centrifuge for wear and damage; replace centrifuge if necessary
18	Install in the reverse order
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
19	Carry out engine test run and check engine for leaktightness while it is running