Check cylinder barrel for wear and damage

AR01.40-W-0003A

Check cylinder barrel for wear and damage

09.01.2014

ENGINE

457.9 in MODEL 374, 375, 940, 942, 943, 944

ENGINE

541.9 in MODEL 930, 932, 933, 934, 950, 952, 953, 954

ENGINE

542.9 in MODEL 930, 932, 934, 950, 952, 954



Check

1

Remove cylinder head

ENGINE 457.9

AR01.30-W-5800C

Engine 541.9, 542.9 in model 930, 932, 933, 934

AR01.30-W-5800G

Engine 541.9, 542.9 in model 950, 952, 953, 954

AR01.30-W-5800B

2

Clean crankcase sealing surface



Information on working sealing surfaces when carrying out engine repairs

AH01.10-N-0002-01A

3

Rotate crankshaft until piston of cylinder to be checked is positioned at BDC to be able to assess the honing pattern in the cylinder barrel through visual inspection



Notes for evaluation of a cylinder barrel

AH01.40-N-0001-03A

If honing pattern cannot be assessed clearly:



Measure cylinder bores.

ENGINE 457.9

AR01.40-W-9202C

Engine 541.9, 542.9 in model 930, 932, 933, 934

AR01.40-W-9202G

Engine 541.9, 542.9 in model 950, 952, 953, 954

AR01.40-W-9202B

4

Check piston crown by means of visual inspection for damage



Notes on the assessment of pistons and piston rings

AH03.10-N-0001-04A

If damage on piston crown is established:



Install new piston

ENGINE 457.9

AR03.10-W-7021C

Engine 541.9, 542.9 in model 930, 932, 933, 934

AR03.10-W-7021G

Engine 541.9, 542.9 in model 950, 952, 953, 954

AR03.10-W-7021B

5

Install cylinder head

ENGINE 457.9

AR01.30-W-5800C

Engine 541.9, 542.9 in model 930, 932, 933, 934

AR01.30-W-5800G

Engine 541.9, 542.9 in model 950, 952, 953, 954

AR01.30-W-5800B