Re: Non-Audi Technical Question

[Frank Deutschmann <fhd@interport.net>]

Michael Spiers sez:
> 
> Sorry guys, this has nothing to do with Audi's (although my Quattro jump
> started the boat yesterday.)  What kind of lubricant should be used on the
> starter gear to help it kick out when the starter is engaged?  This should
> apply to a starter on anything, Audi's, Volkswagens, Porsche's, and V6 Mercury
> 150's I'd assume...  I'm working on a boat that has been sitting for three
> years, the starter gear will spring up when the starter is engaged, but
> sometimes it won't go back down.  Lithium grease?  WD40?  Graphite?
> Also a question for you electircal guru's out there:  There is a hydraulic trim
> pump on this thing.  It takes twelve volts, straight from the battery into a 90
> amp fuse (looks like a relay to me) and then goes to the pump motor.  We hooked
> power up to this thing, then tried to raise the motor.  Nothing.  A little
> voltage testing showed 12 Volts both before and after this 90 amp fuse, so we
> ruled it out.  After an hour of tracing, I tested the Ohms of the fuse.
>  According to the meter (SunPro 7670) the fuse was blown!  Bypassed the fuse,
> motor came right up.  We hooked the fuse up again and tried it, still measured
> 12 volts before and after the fuse, but the motor went nowhere.  How is this
> possible?  If the fuse is blown (obviously it is) why would the meter still be
> registering voltage going through the fuse, but not registering any ohms
> passing through?  This has me baffled, TIA for any ideas.  We now return you to
> your normally scheduled Audi program.

For the ring gear, lithium grease works for me.

As for your outdrive hydraulic pump, sounds like the 90 amp *breaker* is
internally corroded -- it will still pass some current, but nowhere near
90 amps.

-frank
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