be0320b100002f

Test specifications for crankshaft

Type be · emne 03.20 · version 0101 · 2020-01-22

Gælder for: Engine 612.983 in model 979

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Placering

Funktionsgruppe 1 Motor › 03 Drivværk › 03.20 Krumtapaksel — Serie 979

EinPAS 15 Motor › 15.15 forbrændingsmotor komplet/motorblok/krumtapdrev › 15.15.41 Krumtapaksel/svinghjul/medbringerskive — Serie 979

Gælder også for motorer/gearkasser: 612 983

BE03.20-B-1000-02F

Test specifications for crankshaft

Engine

612.983 in model 979

Crankshaft test values

Number

Designation

Engine 612.983 in type 979

BE03.20-B-1001-02F

Diameter of the main neck

Normal

mm

57,940...57,965

Repair I

mm

57,700...57,715

repair II

mm

57,450...57,465

repair III

mm

57,200...57,215

repair IV

mm

56,950...56,965

BE03.20-B-1002-02F

Width

of the main adjustment neck

Normal

mm

24,500...24,533

Normal I

mm

24,600...24,633

Repair I

mm

24,700...24,733

repair II

mm

24,900...24,933

repair III

mm

25,000...25,033

of the other main necks

mm

23,900...24,100

BE03.20-B-1003-02F

Connecting rod neck diameter in the crankshaft

Normal

mm

47,940...47,965

Repair I

mm

47,700...47,715

repair II

mm

47,450...47,465

repair III

mm

47,200...47,215

repair IV

mm

46,950...46,964

BE03.20-B-1004-02F

Crankshaft axial play

new

mm

0,10...0,25

wear limit

mm

0,3

BE03.20-B-1005-02F

Radial play in the main necks

new

mm

0,03...0,05

wear limit

mm

0,08

BE03.20-B-1006-02F

Hardness of the main necks and the connecting rods' necks (Rockwell hardness)

minimum

HRC

53...59

BE03.20-B-1007-02F

Main bearing thickness (sleeves housing)

mm

62,500...62,519

BE03.20-B-1008-02F

Thickness of top and bottom compensation washers

Normal

mm

2,15...2,20

Normal I

mm

2,20...2,25

Repair I

mm

2,25...2,30

repair II

mm

2,35...2,40

repair III

mm

2,40...2,45

BE03.20-B-1009-02F

Maximum crankshaft run-out (crankshaft mounted on end journals)

mm

0,16

BE03.20-B-1010-02F

Connecting rod neck width

mm

27,9...28,1

BE03.20-B-1011-02F

Necks matching radius

main

mm

1,9...2,1

connecting rods

mm

1,9...2,1

BE03.20-B-1012-02F

Bulging on the primary and connecting rod necks

mm

0...0,004

BE03.20-B-1013-02F

Maximum roundness and taper in the main and connecting rod necks

new or machined crankshaft

mm

0,01

BE03.20-B-1014-02F

Maximum roughness on the polished necks

(Rt)

mm

0,0015

BE03.20-B-1015-02F

Maximum dynamic unbalancing.

at 500/min.

Ncm

0,1