Inspect cylinders with a light probe · ar0100g0200b · Mercedes-Benz WIS

AR01.00-G-0200B

Inspect cylinders with a light probe

9.1.12

ENGINES 900.915 /916 /920 /921, 902.923 /924 /935, 904.927 /928 /952 /953, 906.935 /955, 924.916 /923 /931, 926.969

W01.00-0018-06

1 Test probe

2 Endoscope

 	Remove/install
1	Attach turning device for engine		AR03.30-G-1600-03B
			*BA01.60-N-1002-01J
		 Turning device	*904589046300
2	Remove nozzle holder combination		AR07.03-G-6831B
3	Rotate crankshaft with cranking device	 Position piston of cylinder to be inspected to BDC.
4	Connect test probe (1) to endoscope (2)	 Observe operating instructions from equipment manufacturer.
5	Insert inspection probe (1) through protective sleeve hole into cylinder
	Checking
6	Inspect cylinder wall and piston crown	 Cylinder walls must not have any scorch streaks and rubbing streaks. Individual slight scores are not critical. Inspect condition of piston crown, if necessary: 
		Remove cylinder head	AR01.30-G-5800B
	Notes for assessing wear to cylinder wall in the case of dust damage		AH01.40-N-0001-01A
7	Inspect remaining cylinders in the same way
8	Install in the reverse order

 Timing case

Number	Designation		Engine 900.91/92, 902.92/93, 904.92/95, 906.935/95, 924.91/92/93, 926.96


BA01.60-N-1002-01J	Inspection hole closure cover to timing case	Nm	25

904 589 04 63 00

Cranking device

ah0140n000101a Notes for assessing wear to cylinder wall in the case of dust damage
ar0130g5800b Remove/install cylinder head
ar0330g160003b Attach/detach cranking/blocking device for engine
ar0703g6831b Remove/install nozzle holder combination