ar0100s0200a

Inspect cylinders with a light probe

Type ar · topic 01.00 · version 0109 · 2019-12-02

Applies to: Engine 111 in model 638

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.00 General — Series 638

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.15 internal combustion engine, complete — Series 638

Also applies to engines/gearboxes: 111 ***

AR01.00-S-0200A

Inspect cylinders with a light probe

25.11.2019

Engine

111 in model 638

Inspect cylinders with a light probe

S01.00-3000-09

1

Cylinder illumination unit

2

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
1	Remove spark plugs
			AP15.10-D-1580A
2	Position piston of cylinder to be checked to BDC		AR01.00-S-0120A
		 Crank engine at crankshaft
3	Connect up cylinder illumination unit (1) and lead test probe (2) of the cylinder illumination unit through the spark plug bore into the cylinder
	Check
	General information on inspecting cylinder walls		AH01.00-N-0300-01A
4	Checking cylinder barrels	 Distinguish between "Optical stripes" and "Chewing stripes"
		If in doubt
		
		Remove cylinder head
			AR01.30-S-5800A
5	Check remaining cylinders in the same way
6	Install in the reverse order

Referenced documents

ah0100n030001a General information on inspecting cylinder walls
ap1510d1580a Replace spark plugs
ar0100s0120a Rotate the engine from the front part of the crankshaft
ar0130s5800a Remove/install cylinder head
as0000z003501a Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)