Inspect cylinders for leaks

AR01.00-P-1300RX

Inspect cylinders for leaks

10.1.06

 

Remove/install

1

Bring engine to operating temperature (approx. 80 °C)

 Check the cylinder for leaks only when the engine is at normal operating temperature.

2

Switch off ignition

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

3

Unscrew cap (1) on expansion reservoir (2)

4

Remove the oil filler cap (3)

5

Remove spark plugs

See 



Replace spark plugs.

AP15.10-P-1580RX

6

Position the piston of the cylinder to be checked at the top dead center with the top dead center selector

 Crank the engine at the center bolt of the crankshaft in the direction of rotation of the engine.



*001589650900



*WH58.30-Z-1015-05A

7

 Connect cylinder leakage tester (04)

AR01.00-P-1300-01VA



Checking

8

Pressurize the cylinder with compressed air and read off the pressure loss on the  cylinder leak tester (04)

*BE01.00-P-1001-02Z

*BE01.00-P-1002-02Z

*BE01.00-P-1003-02Z

If the crankshaft rotates:



Install retaining lock for crankshaft.

AR03.30-P-5000RX

9

Check the other cylinders in the firing order of the engine

AR01.00-P-1300-03HA

10

Install in the reverse order

Number

Designation

All engines

BE01.00-P-1001-02Z

Cylinder leaktightness permissible loss total indication

%

25

BE01.00-P-1002-02Z

Cylinder leaktightness permissible losses at valves and cylinder head gasket

%

10

BE01.00-P-1003-02Z

Cylinder leaktightness permissible losses at pistons and piston rings

%

20

Number

Designation

WH58.30-Z-1015-05A

Cylinder leakage testing unit