Engine >> CRANK COUNTERWEIGHT BALANCE WEIGHT REMOVAL & INSTALL

Engine >> CRANK COUNTERWEIGHT BALANCE WEIGHT REMOVAL & INSTALL

Crankshaft Counterweight Balance Weight Removal & Installation on

Mercedes 280 (110 Series) Engines


Removing the front balance plate from Mercedes Benz 110 engine
series crankshafts can be quite difficult, especially since the
balance plate is riveted to the crankshaft.

AERA members have developed a procedure that is safe and cost
effective:

1) With a 3/8 end mill, remove the head of each of the four
rivets that attach the plate to the counterweight.

2) Simultaneously drive all four rivets out of the crankshaft
to prevent distortion of the plate.

3) Refinish the crankshaft as required.

4) Install the plate by pressing 4 new rivets, Mercedes Benz
Part No. 000661 006013 through the counterweight and into the
plate.

5) Hold the plate to the crankshaft counterweight by wedging a
5/8 or 3/4 bolt, cut to length, between the second
counterweight and the plate. Position the cap screw end of each
bolt right underneath the plate countersink. This will mushroom
the end of the rivet, securing the plate.


The AERA Technical Committee

September 1990 - TB 692

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