Inspect cylinders with a light probe

AR01.00-P-0200PI

Inspect cylinders with a light probe

28.08.2019

Engine

642 in model 203, 209

Modification notes

05.08.2019

Note document AH05.30-P-1000-02SZ added.

Operation step 6.

1

Endoscope

2

Flexible test probe

 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

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

2

Remove glow plugs.

AR15.20-P-4111PI

3

Remove injectors.

AR07.16-P-1000PI

Topical note

Notes on injectors

AH07.16-P-1000-01A

4

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).

5

Connect endoscope (1) and insert flexible test probe (2) of the endoscope (1) through the bore of the injectors into the cylinder and inspect cylinder with a light probe.



000 588 01 21 00 Endoscope

WS01.00-P-0097B



Check

6

Check cylinder barrel.

AR01.30-P-5800PI

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.

7

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

8

Check fuel system for leaks with engine running.