Inspect cylinders with a light probe

AR01.00-P-0200CMG

Inspect cylinders with a light probe

15.11.2019

Engine

156 in model 204, 212

1

Cylinder inspection lamp

2

Flexible endoscope (test probe)

 

Remove/install

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

1

Remove spark plugs

AR15.12-P-1010CMG

2

Rotate engine at crankshaft center bolt in the direction of engine rotation until piston of cylinder to be checked is at bottom dead center

 Socket wrench bit

*001589650900

3

Connect cylinder inspection lamp (1) and insert flexible endoscope (2) of cylinder inspection lamp through spark plug threaded bore into cylinder to be checked



Check

4

Check cylinder barrel, piston crown and valves

General information on inspecting cylinder walls

AH01.00-P-0300-01AMG

 If there is "scoring" (wear to the cylinder), the cylinder barrel has become rough and the honing marks are no longer visible.
In case of doubt, remove cylinder head.

5

Check other cylinders in the same way

6

Install in the reverse order