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Espresso Mod Update 1

Minor Versionm

by randy@lamarzocco.com

EP Module Plumbing Update (SA-0077-01)

Written By: randy@lamarzocco.com (and one other contributor)
  • Comments: 0
  • Favorites: 0

Difficulty

Difficult

Steps

25

Time Required

01:30:00 - 02:30:00

Sections

2

Flags

0

  1. take module out of service remove joy pad by pulling it away from the module remove encoder knob by pulling it away from the module

    • take module out of service

    • remove joy pad by pulling it away from the module

    • remove encoder knob by pulling it away from the module

    • remove the screws securing the USB interface to the front of the module

  2. loosen the 2 securing screws holding the terminal block to the back of the front panel

    • loosen the 2 securing screws holding the terminal block to the back of the front panel

  3. hold the terminal block in place while turning the power switch back and forth slowly pull on the switch while you turn if the switch doesn't disengage, loosen the terminal block mounting screws more and repeat step

    • hold the terminal block in place while turning the power switch back and forth slowly

    • pull on the switch while you turn

    • if the switch doesn't disengage, loosen the terminal block mounting screws more and repeat step

  4. fold terminal block out of the way for service be careful of your connections remove the 6 screws holding the front panel in place

    • fold terminal block out of the way for service

    • be careful of your connections

    • remove the 6 screws holding the front panel in place

    • remove the front panel for service

  5. the first image shows what our finished installation will accomplish, use it a reference some parts that are removed will be used again in reassembly - don't damage or dispose of any parts until the job is complete

    • the first image shows what our finished installation will accomplish, use it a reference

    • some parts that are removed will be used again in reassembly - don't damage or dispose of any parts until the job is complete

    • read this guide thoroughly before you begin the operation as special tools are required

    • pump and flow meter are not included in the update kit and are shown here for demonstration

  6. Be sure the main terminal block is securely out of the way

    • Be sure the main terminal block is securely out of the way

    • disconnect the temperature probe leads, flow meter leads, low voltage phoenix connector and pump control connections

    • tuck connections out of the way for service, it shouldn't be necessary to remove wiring from the module

  7. disconnect brew valve wiring at terminal block disconnect brew valve exhaust tubing disconnect boiler outlet tube and brew valve to manifold tube connections

    • disconnect brew valve wiring at terminal block

    • disconnect brew valve exhaust tubing

    • disconnect boiler outlet tube and brew valve to manifold tube connections

    • extract valve and set aside, it will be used again later

  8. disconnect pump outlet to T fitting tube at the pump disconnect the boiler inlet tube fitting at the boiler remove pressure transmitter assembly and disconnect the pressure transmitter from the T fitting

    • disconnect pump outlet to T fitting tube at the pump

    • disconnect the boiler inlet tube fitting at the boiler

    • remove pressure transmitter assembly and disconnect the pressure transmitter from the T fitting

    • clean residual permabond from the threads

    • fold the pressure transmitter out of the way for service

    • the pressure transmitter is a sensitive piece of equipment, take care handling it during the procedure

    • Set tubing and T fitting aside, it will be used again later

  9. remove the flow meter to pump tube remove the water inlet to flowmeter inlet tube be sure the boilers are drained before turning the module over follow this guide to Drain the boilers for shipment

    • remove the flow meter to pump tube

    • remove the water inlet to flowmeter inlet tube

    • be sure the boilers are drained before turning the module over follow this guide to Drain the boilers for shipment

    • turn the module upside down to remove the 3 flowmeter retaining screws and extract the flowmeter

    • set the flowmeter aside, it will be used again later

  11. loosen T fitting to boiler inlet tube fitting for adjustment use a small amount of Loctite 567 on the fitting threads before installing the adapter fitting use a small amount of Loctite 567 on the pressure transducer threads before securing adapter fitting

    • loosen T fitting to boiler inlet tube fitting for adjustment

    • use a small amount of Loctite 567 on the fitting threads before installing the adapter fitting

    • use a small amount of Loctite 567 on the pressure transducer threads before securing adapter fitting

    • Add capillary tube to the pressure transducer assembly

  12. stage the pressure transmitter with bracket and mark the spot the bracket will be bolted down

    • stage the pressure transmitter with bracket and mark the spot the bracket will be bolted down

    • you will be drilling from the bottom side of the module, transfer the hole measurements to the underside of the module

  13. Use a metric #30 drill bit to carefully drill a hole where your mark was placed tap the hole using a 4mm - .70 (#30) tap use cutting fluid or penetrating oil when threading

    • Use a metric #30 drill bit to carefully drill a hole where your mark was placed

    • tap the hole using a 4mm - .70 (#30) tap

    • use cutting fluid or penetrating oil when threading

    • now would be a good time to clan up the rest of the body panel screw threads in an older cast frame or milled aluminum module, the tap is the same size as the body screws

  14. mount the pressure transmitter assembly to the frame with T fitting loose, install the boiler inlet tube and connect the capillary tube to the T fitting connector mind the electronics as you adjust your fittings and tighten securely

    • mount the pressure transmitter assembly to the frame

    • with T fitting loose, install the boiler inlet tube and connect the capillary tube to the T fitting connector

    • mind the electronics as you adjust your fittings and tighten securely

  15. stage flowmeter tubing but keep the connections hand tight for now so you can make adjustments place flowmeter assembly in the module in line with flowmeter mounting holes and adjust tubes as needed to fit properly remove flowmeter assembly to finish tightening flowmeter fittings

    • stage flowmeter tubing but keep the connections hand tight for now so you can make adjustments

    • place flowmeter assembly in the module in line with flowmeter mounting holes and adjust tubes as needed to fit properly

    • remove flowmeter assembly to finish tightening flowmeter fittings

  16. be mindful of the hi limit switches and wiring connections as you work in a small space

    • be mindful of the hi limit switches and wiring connections as you work in a small space

  17. reinstall the flowmeter mounting screws and make final adjustments to the tubing securing loose connections

    • reinstall the flowmeter mounting screws and make final adjustments to the tubing securing loose connections

  18. assemble check valve on the pump to check valve tube note the direction of the check valve when routing tubing, note that the check valve to pump tube should be on the inside of the flowmeter to T fitting tube

    • assemble check valve on the pump to check valve tube

    • note the direction of the check valve

    • when routing tubing, note that the check valve to pump tube should be on the inside of the flowmeter to T fitting tube

    • leave the tube connection to the pump hand tight for adjustment for now

  19. remove old train fitting install new drain fitting

    • remove old train fitting

    • install new drain fitting

  20. with the pump tube hand tight from previous step, lift the check valve up and attach the rest of the tubing tighten check valve tube connections tighten connection at the pump

    • with the pump tube hand tight from previous step, lift the check valve up and attach the rest of the tubing

    • tighten check valve tube connections

    • tighten connection at the pump

  21. reuse copper tubes from the old brew valve assymble valve peripherals, note the arrow on the valve body when building the assembly note the angle of the solenoid boot for an easy install

    • reuse copper tubes from the old brew valve

    • assymble valve peripherals, note the arrow on the valve body when building the assembly

    • note the angle of the solenoid boot for an easy install

  22. secure the brew valve drain tubing into the quick release tighten boiler outlet and manifold connections you may have to put a slight bend in the tubing when reinstalling to accommodate the new valve body deminsion

    • secure the brew valve drain tubing into the quick release

    • tighten boiler outlet and manifold connections

    • you may have to put a slight bend in the tubing when reinstalling to accommodate the new valve body deminsion

    • connect brew valve wires, match grey and red wire colors in the terminal block

  23. reconnect wiring connections When reinstalling the terminal block, give attention to accommodating the new tubing around the existing wiring as needed give attention to the wiring around the new plumbing, bend tubes to fit well

    • reconnect wiring connections

    • When reinstalling the terminal block, give attention to accommodating the new tubing around the existing wiring as needed

    • give attention to the wiring around the new plumbing, bend tubes to fit well

    • make sure the wiring is secured and not in danger of shorting to the new tubing

  24. Secure the USB interface to the front panel for reinstallation secure front panel

    • Secure the USB interface to the front panel for reinstallation

    • secure front panel

    • reinstall encoder and joy pad

  25. tighten terminal block screws, but not completely, leave them a little loose install the main power switch by keying in and twisting finish tightening the terminal block screws

    • tighten terminal block screws, but not completely, leave them a little loose

    • install the main power switch by keying in and twisting

    • finish tightening the terminal block screws

  26. test for leaks and shorts

    • test for leaks and shorts

    • finish putting the panels back on and put module into service

    • level up

Author

with 1 other contributor

randy@lamarzocco.com

Member since: 07/12/2018

9 Guides authored

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