ar0140w0003b

Check cylinder barrel for wear and damage

Type ar · emne 01.40 · version 0105 · 2019-07-05

Gælder for: Engine 900.9 in model 375.1, 970, 972, 975, 976 Engine 902.9 in model 375.1, 970, 972, 974, 975, 976 Engine 902.9 in model 375.3, 950, 952, 953, 954, 957 Engine 904.9 in model 374 Engine 904.9 in model 375.1, 970, 972, 975, 976 Engine 906.9 in model 374.5, 375.3, 950, 952, 953, 954, 957 Engine 906.9 in model 970, 972, 974, 975, 976 Engine 924.9 in model 970, 972, 974, 975, 976 Engine 925.9 in model 970, 972, 974 Engine 926.9 in model 950, 952, 953, 954, 957

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 01 Motor komplet, motorudluftning, topstykke, motorblok › 01.40 Motorblok, takthusdæksel, endedæksel — Serie 374 · Serie 375 (modeller 1**, 3**) · Serie 900 (modeller 9**) · Serie 902 (modeller 9**) · Serie 904 (modeller 9**) · Serie 906 (modeller 9**) · Serie 950 · Serie 952 · Serie 953 · Serie 954 · Serie 957 · Serie 970 · Serie 972 · Serie 974 · Serie 975 · Serie 976

EinPAS 15 Motor › 15.15 forbrændingsmotor komplet/motorblok/krumtapdrev › 15.15.31 motorblok/olieudskiller/udluftning — Serie 374 · Serie 375 (modeller 1**, 3**) · Serie 900 (modeller 9**) · Serie 902 (modeller 9**) · Serie 904 (modeller 9**) · Serie 906 (modeller 9**) · Serie 950 · Serie 952 · Serie 953 · Serie 954 · Serie 957 · Serie 970 · Serie 972 · Serie 974 · Serie 975 · Serie 976

Gælder også for motorer/gearkasser: 924 9**, 925 9**, 926 9**

AR01.40-W-0003B

Check cylinder barrel for wear and damage

25.06.2019

Engine

900.9 in model 375.1, 970, 972, 975, 976

Engine

902.9 in model 375.1, 970, 972, 974, 975, 976

Engine

902.9 in model 375.3, 950, 952, 953, 954, 957

Engine

904.9 in model 374

Engine

904.9 in model 375.1, 970, 972, 975, 976

Engine

906.9 in model 374.5, 375.3, 950, 952, 953, 954, 957

Engine

906.9 in model 970, 972, 974, 975, 976

Engine

924.9 in model 970, 972, 974, 975, 976

Engine

925.9 in model 970, 972, 974

Engine

926.9 in model 950, 952, 953, 954, 957

Check

1

Remove cylinder head


Engine 900.9, 924.9, 925.9 engine 902.9, 926.9 except in model 957

AR01.30-W-5800J

Engine 904.9, engine 906.9 without code MS8 (Natural gas engine)

AR01.30-W-5800A

Engine 902.9, 906.9 in model 957 with code MS8 (Natural gas engine)

AR01.30-W-5800H

Engine 902.9 in model 957 without code MS8 (Natural gas engine), engine 926.9 in model 957

AR01.30-W-5800JB

2

Clean crankcase sealing surface

Topical note

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 900.9, 924.9, 925.9, 926.9, engine 902.9 without code MS8 (Natural gas engine)

AR01.40-W-9202J


Engine 904.9, 906.9, engine 902.9 with code MS8 (Natural gas engine)

AR01.40-W-9202A

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 the piston crown was established:

Install new piston.


Engine 900.9, 924.9, 925.9, 926.9, engine 902.9 without code MS8 (Natural gas engine)

AR03.10-W-7021J


Engine 902.9 with code MS8 (Natural gas engine), engine 904.9, 906.9

AR03.10-W-7021A

5

Install cylinder head


Engine 900.9, 924.9, 925.9 engine 902.9, 926.9 except in model 957

AR01.30-W-5800J

Engine 904.9, engine 906.9 without code MS8 (Natural gas engine)

AR01.30-W-5800A

Engine 902.9, 906.9 in model 957 with code (MS8) Natural gas engine

AR01.30-W-5800H

Engine 902.9 in model 957 without code MS8 (Natural gas engine), engine 926.9 in model 957

AR01.30-W-5800JB

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