[C38] Transmission

[Larry Malmberg]

Thanks Tom, we actually tried shifting with the lever by hand and got the
same results as with the cable shifting.  The trans is out thanks to Mark
who is cc'd on this.  We have a manual on the transmission from Hurth and
are going to see what we can do.





Best regards,

Larry Malmberg

7231 Boulder Avenue Suite 507
Highland, CA 92346 PI 15211
Telephone  909-208-1847
FAX           909-991-7568

E Mail  Larrypi at roadrunner.com



 
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-----Original Message-----
From: listserve-bounces at catalina38.org
[mailto:listserve-bounces at catalina38.org] On Behalf Of tdtron at earthlink.net
Sent: Friday, May 04, 2012 1:10 PM
To: Catalina 38 forum
Subject: Re: [C38] Transmission

Hello Larry,

I hate to be an "armchair" mechanic and attempt to diagnose from across
America but the first thing I would do is remove the shifter cable from the
swing arm on the starboard side of the transmission and try shifting
manually while tied to the dock with the engine running.  I know it's scarry
to put your hands on a moving transmission but as long as you keep away from
the output shaft and coupler, you are safe.

It sounds like you may have internal problems but before you start, the
Hurth is very sensitive to shifter adjustments and probably should be tested
first.  The shift cable should be adjusted so the swing arm is exactly in
center at neutral.  If the cable and swing arm are adjusted properly and it
still doesn't shift properly, sometimes you can loosen the four flange bolts
holding the swing arm assembly and actually move the plate around to find a
place where the transmission shifts properly.  I think they left some play
in the mounting bolts for that very reason.

If everything works fine manually shifting without the cable, you are in
luck.  If the transmission still doesn't operate properly by moving the
swing arm manually or still makes internal noises as you indicated, you may
be in for an overhaul.

The hardest thing about overhauling that transmission is just getting it out
of the boat.  As far as transmissions go, it is pretty simple to overhaul
which usually only includes a clutch pack, gaskets and end bearings unless
you actually broke something which is very rare on those transmissions.

If you don't want to tackle the overhaul if needed, any reputable
transmission shop that works on manual transmissions should be able to help
you.  I was shocked to find many transmissions shops today will not touch a
manual transmission even though they are simple compared to an automatic
automotive transmission.  The Hurth is very simple compared to any manual
automotive transmission but I guess the transmissions technicians specialize
now.

I think I may still  have the Hurth manual if you need to borrow it.

Tom Troncalli





> [Original Message]
> From: Larry Malmberg <Larrypi at roadrunner.com>
> To: Catalina 38 Listserve <listserve at catalina38.org>
> Date: 5/4/2012 9:29:30 AM
> Subject: [C38] Transmission
>
>
> Anyone had experience in re building at Hurth transmission or trouble 
> shooting one?  We did the Newport Beach CA to Ensenada BC Mexico race 
> and after crossing the finish line started our engine, engaged the 
> trans forward, went into natural while dropping sails.  Went into 
> forward and
got
> a terrible noise, same with reverse and on motion at all in forward or 
> reverse.  No fishing line on the prop, shaft turns slowly even when 
> reving up the engine in gear.  Any thoughts?
>
>
>
>
>
> Best regards,
>
> Larry Malmberg
> Team Hassle
>
>
> _______________________________________________
> Listserve mailing list
> Listserve at catalina38.org
> http://catalina38.org/mailman/listinfo/listserve_catalina38.org



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