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Photo Forum / Film Photography / Darkroom / June 2006

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Question about Jobo Processors and Expert Drums

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HDGarrett@elp.rr.com - 03 Jun 2006 23:45 GMT
I recently acquired a Jobo CPA-2 processor and a couple of their
"regular" drums.  However I'd like to use the processor with Jobo
Expert drums.  The obstacle to that is the roller-assembly toward the
back of the lift -- it's too small to accomodate the larger-size
drums.  (This is the gizmo that the rear of the drum rides on as it
turns.  It's simply two wheels at the far end of the lift-assembly)

My questions:

Can you use Expert drums in a Jobo?.

Where can I get the  larger-size roller-assembly?  

Thanks,

HDG
Claudio Bonavolta - 03 Jun 2006 23:54 GMT
HDGarrett@elp.rr.com a écrit :
> I recently acquired a Jobo CPA-2 processor and a couple of their
> "regular" drums.  However I'd like to use the processor with Jobo
[quoted text clipped - 12 lines]
>
> HDG

Yes, you can use them but you need the "Lift" which places the axis of
the tank higher over the processor and solves the difference in the
diameter. Depending the age of your CPA-2, you may need different rollers.
Fixation to the lift is not done with the magnet on the bottom of the
tank but with a kind of gear (called "cog") you fix on the top of the tank.
Note, the lift for the CPA/CPP-2 are different from those of a CPE-2.
If you buy one used, check you also have the gear on the processor side
which couples the processor to the lift.

Claudio Bonavolta
http://www.bonavolta.ch
HDGarrett@elp.rr.com - 04 Jun 2006 19:14 GMT
Claudio,

Thanks for that information.  I have a lift with gears (cogs), but the
rollers are too small.  Thyis is what I'm seeking.  Know where I can
find the appropriate size rollers?

Marco

>HDGarrett@elp.rr.com a écrit :
>> I recently acquired a Jobo CPA-2 processor and a couple of their
[quoted text clipped - 25 lines]
>Claudio Bonavolta
>http://www.bonavolta.ch
Claudio Bonavolta - 04 Jun 2006 20:55 GMT
HDGarrett@elp.rr.com a écrit :

>>HDGarrett@elp.rr.com a écrit :
>>
[quoted text clipped - 34 lines]
>
> Marco

Have you tried to reverse them ?
The rollers together with a small black part are clipsed on their base
but you can clips them with the roller toward the inside (= for smaller
diameter drums) or outside (= for larger diameter drums).

Otherwise, you can find the spare parts numbers on this page:
http://www.jobo.com/jobo_service/us_analog/instructions/instructions_manual_cpa-
2_cpp-2_12.htm


Then, how easy to find them will depend on the country where you live ...

Good luck,
Claudio Bonavolta
http://www.bonavolta.ch
Stephen - 06 Jun 2006 15:29 GMT
>I recently acquired a Jobo CPA-2 processor and a couple of their
>"regular" drums.  However I'd like to use the processor with Jobo
[quoted text clipped - 12 lines]
>
>HDG

Reposition the rollers.  They pop off, and so do the short extensions
they sit on for the small diameter tanks.

Stephen
HDGarrett@elp.rr.com - 08 Jun 2006 14:51 GMT
Stephen,

Thanks for that tip.  I never noticed how the roller assembly was
constructed.  That solves my problem for now.

HDG

>>I recently acquired a Jobo CPA-2 processor and a couple of their
>>"regular" drums.  However I'd like to use the processor with Jobo
[quoted text clipped - 17 lines]
>
>Stephen
 
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