Espresso PartsSKU: SM_487

La San Marco Group One (Left) Dosing Circuit Complete


Sale price$139.78
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Details

For one group models, as well as the left side of two, three and four group 85-16M  series machines. For groups with multiple heads, this board is always the first one, found on the far left. The board inside is code 108286. These boards have five small diodes along the top numbered R1 - R5.

Assembly required. Includes:

  • 2 x SM_314 (204137) Longer screws hold the rear cover to the membrane support
  • 1 x SM_315 (106058) Rear cover
  • 1 x SM_316 (607007) Length of moisture protective rubber seal
  • 2 x SM_325 (204136) Shorter screws to hold the PCB to the membrane support
  • 1 x SM_267 (108286) Printed Circuit Board
  • 1 x SM_317 (106059) Front membrane support
  • 1 x SM_156 (108296) Self-adhesive membrane sticker

Flip the membrane support over, face down. Being certain that it is oriented correctly to line up the holes in the support with the buttons and LED's, affix the PCB to the support using the two smaller screws in the two center holes (the outer holes are for the rear cover) of the board. The screws are self-tapping, so can take some force to thread in.

You may now want to very gently reposition the LED's if they do not line up with the holes in the support in a satisfactory way.

This sub assembly is held against the front to the machine and the ribbon cable is attached. After checking that the rubber moisture gasket is properly installed, the rear cover is affixed, pressing the ribbon cable flat against the back of the body panel.

The membrane sticker is affixed last.

It seems weird, and it can be challenging to do.

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We guarantee a full refund or replacement of all defective products at no additional cost to you. Most electrical items have specified limited warranties. If an electrical device fails to function due to manufacturers defect, Espresso Parts will repair or replace the device (TBD).
*Important Note: All Special Order Items, as well as Equipment, Electrical Items (scales, heating elements, switches, flowmeters, vibratory pumps, thermostats, etc.), Pump Heads, Solenoids, Custom Work and Books are NOT eligible for return. All sales are final on this merchandise.
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Attention CA Residents: Prop 65 Warning

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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