Installation and centering of intermediate flange

Vertical runout of intermediate flange

max. 0.10

Nm

Fastening screws for intermediate flange

50

initial torque

40

Necked-down screw for driven plate and flywheel

angle of rotation torque 90—100°

Dial gauge holder (2 each required)

363 589 02 21 00

Socket 27 mm, 1/2″ square for rotating engine

001 589 65 09 00

Threaded bolt

01.8-220/1 F2

The intermediate flange is provided with two additional bores for centering the fitted pins of automatic transmission 722.303 (W 4 A 040).

This intermediate flange is also installed on engines with automatic transmission 722.120 (W 4 B 025). Part no. 615 011 02 45.

Start of series: February 1980

Model

Engine end no. _, Engine                                   Chassis end no.

116.120           617.950 022432              022082

123                  617.952                start of series

126.120           617.951                start of series

1    Insert intermediate flange into fitted pins on cylinder crankcase.

2   Slightly tighten the four fastening screws.

3   Screw threaded bolt (self-made) into crankshaft and counterlock with hex. nut.

4   Attach dial gauge holder with dial gauge to thread­ed bolt.

5   Position feeler pin against OD of round center.

Shown on engine 116

01.8-220/2 F2

6   Turn crankshaft with tool combination and measure vertical runout. Vertical runout should not exceed max. 0.10 mm.

Note: When turning crankshaft, make sure that feeler pin of dial gauge is not getting stuck.

7   Correct vertical runout by means of light blows against intermediate flange.

8   Tighten fastening screws.

Note: If the vertical runout exceeds 0.10 mm, remove intermediate flange.

9    Drill both fitted bores in intermediate flange to 12.1 mm.

10    Repeat item 1—8.

01.8-220/3 F2