[DML] Re: Speedometer Woes

["John Chapelhow" <chapelhow@xxxxxxxxxxx>]

Mike.

Try the easy things first. Don't attach the upper speedo cable to the 
instruments, leave the end loose (but connected to the lambda counter 
box).

The cables themselves have square shaped inner bits which should 
stick out 1-2 inches. 

Now with the left wheel jacked up slowly rotate it by hand. If the 
lower cable, angle drive etc are doing their job you will be able to 
see the end of the speedo cable revolving.

If this does appear to rotate it will probably just be an alignment 
error at the binacle end. I have found that it much easier when 
replacing the binacle to connect the speedo cable first.

//
Disconnect the upper speedo cable at both ends (ie from the lambda 
box as well). With the cable in front of you it is easy to see the 
inner moving bit (watch for small amounts of oil which may drip). 
GENTLY tap the lower end of the cable, this will force the inner 
piece to extend fully at the top. Now with the binacle removed you 
can fully seat the cable at the top, ensuring the securing clip is in 
place. This will automatically extend the inner section of the cable 
to the correct position at the bottom.

Replace the binacle into position with the electrical cables 
reattached. 

Now you can attach the cable to the lambda box again, note that the 
square inner piece will slot like a key into the lambda box. Do not 
try using the screwed collar to force it into position. You may have 
to gently rotate the cable, in the correct alignment the cable end 
will seat fully.

At this stage rotating the wheel by hand should see the speedo give a 
reading.
\\

John Chapelhow
MMG 287W : 'Boeing' #0737 








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