ar0320l4351va

Remove/install crankshaft

Type ar · topic 03.20 · version 0101 · 2019-02-13

Applies to: Engine 668.914 in model 414.700

Where it sits

Function group 1 Engine › 03 Crank assembly › 03.20 Crankshaft — Series 414 (models 700) · Series 668 (models 914)

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.41 Crankshaft/flywheel/drive plate — Series 414 (models 700) · Series 668 (models 914)

AR03.20-L-4351VA

Remove/install crankshaft

23.01.2019

Engine

668.914 in model 414.700

Remove/install crankshaft

1

Crankshaft

2

Main bearing shells in cylinder crankcase

3

Thrust washers (axial bearings) in crankcase

4

Main bearing shells in bearing caps

5

Thrust plates (axial bearings) in bearing caps

6

Crankshaft bearing cap

7

Screw

8

Screw

P03.20-0286-06

Remove/install

1

Remove engine with front axle carrier

AR01.10-L-2500VA

2

Remove engine from front axle carrier

AR01.10-L-2510VA

3

Remove timing case cover

AR01.40-L-8000VA

4

Remove end cover together with radial shaft sealing ring

AR01.40-L-8920VA

5

Remove pistons

AR03.10-L-7021VA

6

Remove screws (7) of three center crankshaft bearing caps (6)

AR03.20-P-4351-02GD

Installation: Pay attention to tightening procedure of crankshaft bearing caps.

6 screws.

Side bolt, crankshaft bearing cap to crankcase

*BA01.40-P-1002-01E

7

Remove screw (8) and remove crankshaft bearing caps (6)

AR03.20-P-4351-02GD

Interference fit of crankshaft bearing cap

AH03.20-P-4351-02VA

Installation: Pay attention to tightening procedure of crankshaft bearing caps.

The crankshaft bearing caps (6) are numbered consecutively, starting with the first crankshaft bearing cap at the front (timing case cover).
Pay attention to fit:

Central bolt, crankshaft bearing cap to crankcase

*BA01.40-P-1001-01E

8

Remove crankshaft (1) from cylinder crankcase

Crankshaft bearing diagram

Topical note

Bearing diagram for crankshaft

AH03.20-P-4351-01GF

Installation: Lubricate main bearing shells (2, 4) before inserting the crankshaft (1).
The oil grooves in the thrust plates (3, 5) must point toward the thrust collars of the crankshaft (1).
The thrust plates (5) in the crankshaft bearing caps (thrust bearings) are equipped with a retaining lug as an anti-twist lock

9

Install in the reverse order

Crankcase, timing case cover, end cover

Number

Designation

Engine 668.914

BA01.40-P-1001-01E

Central bolt, crankshaft bearing cap to crankcase

Stage 1

Nm

40

Stage 2

°

90

Crankcase, timing case cover, end cover

Number

Designation

Engine 668.914

BA01.40-P-1002-01E

Side bolt, crankshaft bearing cap to crankcase

Stage 1

Nm

20

Stage 2

°

90

Referenced documents