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Inspect Cylinders With A Light Probe - AR01.00-P-0200MRI

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Engine 264 in model 205, 253 

MODIFICATION NOTES

05.08.2019 Information document AH05.30-P-1000-02SZ, added. Operation step 5.  
G14470507Courtesy of MERCEDES-BENZ USA
Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove spark plug of the cylinder to be checked.    
REFER TO MAINTENANCE     AP15.10-P-1580MCU
2 Remove the charge air cooler.   AR09.41-P-6817MRI
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).    
4 Connect endoscope (2) to light source (1) and insert through the spark plug bore in the cylinder to be checked.    
REFER TO SPECIAL TOOLS 000 588 01 21 00 Endoscope   WS01.00-P-0097B
INSPECT Check     
5 Check cylinder barrels.    
  General information on checking valves, valve seats and valve guides   AH05.30-P-1000-02SZ
  General information on inspecting cylinder walls If the condition of the cylinder barrel is not clearly recognizable,
↓
Remove cylinder head.
AH01.00-P-0300-01A 
      AR01.30-P-5800MRI
6 Install in the reverse order.