Remove/install crankshaft

AR03.20-P-4351MCC

Remove/install crankshaft

30.01.2019

Engine

132.9 in model 451.3/4

1

Crankshaft

2

Crankshaft bearing cap

3

End cover

4

Piston with connecting rod

5

Cylinder crankcase

5

Cylinder crankcase

6

Bearing shell

7

Thrust plate



Remove

1

Remove piston with connecting rod (4)

Remove/install pistons

AR03.10-P-7021MCC

2

Remove end cover (3) with radial shaft sealing ring

AR01.40-P-8920MCC

3

Release bolts of crankshaft bearing caps (2) in reverse order to tightening procedure and remove

AR03.20-P-4351-02MCC

4

Remove crankshaft bearing caps (2) with bearing shells (6)

 Observe installation position of crankshaft bearing caps (2).

5

Remove crankshaft (1) from cylinder crankcase (5)

6

Remove bearing shells (6) from cylinder crankcase (5)

7

Remove thrust plates (7) from cylinder crankcase (5)


Bearing shells (6) are different
and may not be interchanged.

 If removed bearing shells (6) are reused, these must remain assigned to corresponding crankshaft bearing cap (2) and/or to corresponding bearing point in cylinder crankcase (5).



Install

8

Assign bearing shells (6) to bearing points in cylinder crankcase (5) and crankshaft bearing cap (2)

AR03.20-P-4360-01MCC

9

Insert bearing shells (6) in corresponding bearing points in cylinder crankcase (5) and oil with engine oil

10

Insert bearing shells (6) in corresponding crankshaft bearing caps (2) and oil with engine oil

Interference fit of crankshaft bearing cap

AH03.20-P-4351-02MM

 Crankshaft bearing caps (2) are numbered.

11

Oil thrust plates (7) with engine oil and insert in cylinder crankcase (5)

 Grooves (arrows) of thrust plates (7) are mounted on one side and must be visible after insertion.

12

Oil crankshaft bearing journals of crankshaft (1) with engine oil and insert crankshaft (1) in cylinder crankcase (5)

13

Attach crankshaft bearing cap (2) to crankshaft bearing journals of crankshaft (1)

Interference fit of crankshaft bearing cap

AH03.20-P-4351-02MM

 Crankshaft bearing caps (2) are numbered.

14

Check bolts of crankshaft bearing caps (2) for max. length

AR03.20-P-4351-03MCC

Bolt, crankshaft bearing cap

*BE03.20-P-1001-01G

15

Screw in bolts of crankshaft bearing caps (2) and tighten according to tightening procedure

AR03.20-P-4351-02MCC

 Bolt for crankshaft bearing cap

*BA03.20-P-1001-01G

16

Check crankshaft (1) via turning for unobstructed movement

17

Install end cover (3) with radial shaft sealing ring

AR01.40-P-8920MCC

18

Install piston with connecting rod (4)

AR03.10-P-7021MCC

Check specifications for crankshaft bearing cap bolts

Number

Designation

Engine 132.9

BE03.20-P-1001-01G

Bolt, crankshaft bearing cap

Max. length (L)

mm

75,05

 Crankshaft bearing cap

Number

Designation

ENGINE 132.9

BA03.20-P-1001-01G

Bolt for crankshaft bearing cap

Stage 1

Nm

30

Stage 2

°

60