Check cylinder barrel for wear and damage

AR01.40-B-0003TB

Check cylinder barrel for wear and damage

18.05.2020

Engine

904.9, 906.9, 924.9, 926.9 in model 958.0/1

Engine

906.9, 926.9 in model 958

Inspect

1

Remove the cylinder head

Engine 924.9, 926.9

AR01.30-B-5800TJ

Engine 904.96/97

AR01.30-B-5800TA

2

Clear the seating face of the engine block gasket

Topical note

Information on working sealing surfaces when carrying out engine repairs

AH01.10-N-0002-01A

3

Turn the crankshaft until the cylinder piston to be checked is at the lower dead center (UT)

Notes for evaluation of a cylinder barrel

AH01.40-N-0001-03A

 After turning the crankshaft until the piston of the cylinder to be checked is at bottom dead center (UT), carry out a visual evaluation of the cylinder liner honed area.

If the honing image cannot be clearly assessed:



Measure the cylinder bore.

Engine 904.9, 906.9

AR01.40-B-9202TA

Engine 924.9, 926.9

AR01.40-B-9202TJ

4

Visually check the piston face and the combustion chamber for damages

.

AR03.10-B-7021TA

Notes on the assessment of pistons and piston rings

AH03.10-N-0001-04A

In the case damage is detected on the piston head:



Install new piston.

Engine 904.9, 906.9

AR01.40-B-9202TA

Engine 924.9, 926.9

AR01.40-B-9202TJ

5

Install the cylinder head

Engine 924.9, 926.9

AR01.30-B-5800TJ

Engine 904.96/97

AR01.30-B-5800TA