Crankshaft assembly,  OM617

Removal and installation of flywheel and driven plate

 

 

03—410 Removal and installation of flywheel and driven plate

 

Necked-down screws

 

Part no.
110 990 04 19

 

Thread dia. D
M 10x 1
om617 - 0134-1.jpg
when new
7.7-0.2
Necked-down stem dia. d
minimum dia. 7.3

 

Length L
31

 

Tightening torques

 

 

Initial torque

 

30-40 Nm
Angle of rotation torque

 

90-100°
Special tools

 

 

 

Angle of rotation tool
om617 - 0134-2.jpg
116 589 01 13 00

 

Detent
om617 - 0134-3.jpg
110 589 00 40 00

 

Note
om617 - 0134-4.jpg
If a new flywheel is installed, set new wheel to ba­lancing condition of removed wheel (03—440).

 

03.8-410/1 F2

 

 

 

” “vwheel with
°f
om617 - 0135-1.jpg
Engine 110: dimension a = 4.5
mm
Layout flywheel and driven plate 30 Crankshaft
45a Ring gear 46a Flywheel
bmm C 5 mm dia
48     Driven plate
49    Spacing washer
50     Necked-down screw

 

Removal

 

1    Remove transmission.
2   On models 116.120 and 123 with automatic trans miRslrtn 722120 <W4B 025), position
om617 - 0135-2.jpg

 

one of (arrow)3
recesses on balancing disc for counter-
om617 - 0135-3.jpg

 

Crankcase

 

03.8-410/2 F 2

 

 

 

3 Loosen necked-down screws. Remove flywheel, driven plate and spacing washer.
Note: The flywheel and crankshaft are identified by a mark (arrows).
om617 - 0136-1.jpg

 

Installation

 

4   Measure necked-down stem dia. “d” of necked-down screws.
If the minimum dia. has been attained, replace necked-down screws.
5   Position flywheel, driven plate and spacing washer on crankshaft journal in such a manner that the marks are in alignment.

 

6   Lubricate necked-down screws, screw-in and tighten to 30-40 Nm.
7   Tighten to angle of rotation torque of 90—100° by means of angle of rotation tool.
om617 - 0136-2.jpg

 

Flywheel and driven plate
om617 - 0136-3.jpg
45a   Ring gear
46a   Flywheel
48     Driven plate
49    Spacing washer
50     12 necked-down screws

 

03.8-410/3 F2