Rolls-Royce Phantom III - crank damper

 

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R-R PIII - starting dog The starting handle dog shown after the removal of the pulley.   The red line indicates the Woodruff key.
R-R PIII - damper minus dog

The nose of the crankshaft following the removal of the timing cover and starter dog.  Note the notch nut locking the damper in place.   This is right hand thread and requires tool R2883.  A previous visitor obviously felt that a cold chisel was just as good; the nut had to be dressed with a small file before the box spanner would fit.

Also note the thread on the centre of the damper - it is LEFT HANDED!  Its only use is for attaching the extractor.  Somebody must have been in a really foul mood on the day this was designed.
R-R PIII - crankshaft damper parts The infamous damper.  It shot off the shaft with such force that all of the springs went all over the floor.  There are eight sets of the concentric spring pairs used to locate the pinion behind the damper.  There are 3 keyways used to locate the damper to the crankshaft.  The 4 studs on the pinion are used to bolt the starter dog over the end of the shaft.
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