Inspect cylinders with a light probe · ar0100p0200lfd · Mercedes-Benz WIS

AR01.00-P-0200LFD

Inspect cylinders with a light probe

08.08.2019

Engine

642 in model 213, 222, 238, 253

Modification notes

05.08.2019

Information document AH05.30-P-1000-02SZ, added.

Operation step 5.

1	Endoscope
2	Flexible test probe

P01.00-3161-06

 Danger	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.	No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
 Danger	Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure	Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized.	AS07.16-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
 	Remove/install
1	Remove fuel injectors.	Engine 642 in model 213, 238, 253	AR07.03-P-0004OGW
		Engine 642 in model 222	AR07.16-P-1000LFD
		 Installation: Only install upper engine cover after the leak test.
2	Remove charge air cooler and place to one side with attached coolant lines.	Engine 642 in model 213, 238, 253	AR09.41-P-6817OGW
		Engine 642 in model 222	AR09.41-P-6819LFD
3	Turn engine at center bolt of the crankshaft in the direction of engine rotation until the piston of the cylinder to be checked is at bottom dead center (BDC).	 Socket wrench bit	*001589650900
4	Connect endoscope (1), insert flexible test probe (2) of the endoscope (1) through the bore of the injectors into the cylinder and inspect cylinder with light probe.
	000 588 01 21 00 Endoscope		WS01.00-P-0097B
5	Check cylinder barrel.
	General information on checking valves, valve seats and valve guides		AH05.30-P-1000-02SZ
	General information on inspecting cylinder walls		AH01.00-P-0300-01TD
		If the cylinder barrel is roughened and the honing marks are no longer visible,
		
		Remove cylinder head.
		Right cylinder head Engine 642 in model 213, 238, 253	AR01.30-P-5780OGW
		Left cylinder head Engine 642 in model 213, 238, 253	AR01.30-P-5770OGW
		Engine 642 in model 222	AR01.30-P-5800LFD
6	Install in the reverse order.
 Warning	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
7	Perform engine test run and check fuel system for leaks.
8	Install upper engine cover.

001 589 65 09 00

Socket wrench bit

Referenced documents

ah0000p500001a Notes on avoiding damage through contamination and foreign objects
ah0100p030001td General information on inspecting cylinder walls
ah0530p100002sz General information on checking valves, valve seats and valve guides
ar0130p5770ogw Remove/install left cylinder head
ar0130p5780ogw Remove/install right cylinder head
ar0130p5800lfd Remove/install cylinder head
ar0703p0004ogw Remove/install fuel injectors
ar0716p1000lfd Remove/install injectors
ar0941p6817ogw Remove/install charge air cooler
ar0941p6819lfd Remove/install charge air cooler, water-cooled
as0000z000501a 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.
as0716z000101a Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure
as4700z000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.
ws0100p0097b 000 588 01 21 00 Endoscope