Download
Share
Print this page
Unic Tango ACE Service & Pm Manual
  1. Manuals
  2. Brands
  3. Unic Manuals
  4. Coffee Maker
  5. Tango Ace
  6. Service & pm manual

Unic Tango ACE Service & Pm Manual

Hide thumbs Also See for Tango ACE:

Advertisement

Quick Links

Download this manual
Service & PM Guide
I n s t a l l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Adjust Voltage............................................................................4
Grinder Adjustment and Calibration........................................5
PM Service Schedule.................................................................9
Brewing Piston Evaluation .................................................11-12
Brewing Piston Exchange.........................................................13
Piston Field Rebuild.................................................................17
Turntable Adjustment............................................................43
Turntable Service.....................................................................25
Parts Schematics ................................................................34-49
Coffee Cleaning.......................................................................50
Steam Wand and Milk Cleaning..............................................51

Advertisement

loading

Related Manuals for Unic Tango ACE

Summary of Contents for Unic Tango ACE

  • Page 1 Service & PM Guide I n s t a l l ............. . . 3 Adjust Voltage................4 Grinder Adjustment and Calibration........5 PM Service Schedule..............9...
  • Page 3 Installation Power: NEMA L6-30 30 Amps Minimum 200 Volts Maximum 242 Volts The transformer MUST be ad- justed to match the incoming voltage! (See next page) Water: Minimum Maximum Pressure 45 PSI 100 PSI Flow Rate 1 Gallon/ Minute 50 ppm 125 ppm Total Hardness 3 GPG 5 GPG...
  • Page 4 Voltage Setting The jumper wire at the rear of the machine must be set to match the incoming voltage. Incorrect voltage can cause problems with the touchscreen and valves. All 2019 machines and some older machines Move the GREY wire to the terminal that best matches the incoming voltage (Red wire stays on 230 volt center terminal) 10 terminal block...
  • Page 5 Adjust Grinder Setting Fine/Coarse Step 1: Adjust the grinders fine or coarse for best extraction time. Typically done with the double espresso drink. Adjust both grinders. Step 2: Capture a sample of the dry ground coffee. Weight the sample and enter the amount into the calibration programming.
  • Page 6 Weigh & Calibrate Grinder Output Weigh and enter coffee amount of 2 sample cycles during calibration Optional: Tools needed: Scale accurate to 0.1 Unic magnetic tray grams holder and sampling 2 Paper cups tray 9191 Select Setup Press menu Enter 9191 - Press OK...
  • Page 7 Calibrate Grinder Dose Select “Calibrate Weight” to start coffee weighing process. (Adjust grind fine or coarse first, see previous pages) Follow screen instructions “0” the scale with an empty Tape a 2nd cup in the back of the Remove drawer drawer about 1”...
  • Page 8 Calibrate Grinder Dose Continued from previous page Enter the weight Press confirm to save Remove and weight the cup with grounds from the 1st cycle 2nd Sample Press confirm to start 2nd grind cycle Empty and replace the Replace the drawer with measuring cup both cups in place Enter the weight...
  • Page 9 Unic Parts listing Description Parts Tango ACE PM Schedule Part # from ACE Parts Manual TG9060 Manual Page 1 3 5 Coffee Service Calibrate Grinder     Page 5 this manual Adjust Turntable Tension    ...
  • Page 10 Unic Parts listing Description Parts Tango ACE PM Schedule Part # from ACE Parts Manual TG9060 Manual Page Additional 6 Year Service Parts Flat Rubber Gasket (Steam Valve) GASKET - 20 X 12 X 2 28352  Steam Valve ELECTROVALVE 3/2 24V-50/60HZ 35140 ...
  • Page 11 Piston Water flow test Record value on Service Data Form Measure the water flow through the Piston during the spout rinsing cycle. Clean or replace the Piston if the flow is restricted. Remove and replace grounds drawer to start the rinsing cycle. Press and Hold YES for 3 seconds to start the rinsing cycle 180-250 ml = Normal flow...
  • Page 12 Tango ACE / ST Piston Amp draw test The piston should be replaced if it draws more than 2.3 amps. Insert Technicians USB Piston information is displayed while each drink is pouring with the USB is in place Insert USB key...
  • Page 13 Tango Brewing Piston Exchange Tango UNO/SOLO - ACE/ST Tools needed: Flat Blade Screwdriver 10 mm wrench 12 mm wrench 6 mm Allen Wrench Coffee Line to Spout Front Piston Attachment 10 mm Nut Allen Screw - 6 mm Drive-shaft coupler Piston Bottom Position Sensor Plug Turntable drive-shaft...
  • Page 14 Tango Brewing Piston Exchange Remove the 4 side Unplug Machine Remove Grounds Drawer screws from the Inner panel Slide upper coupling Remove the Inner Panel Relieve tension on Turn- down table shaft by rocking it with a 10 mm wrench Use a flat screwdriver to Lift aluminum reinforcement Turntable shaft released...
  • Page 15 Tango Brewing Piston Exchange Remove Turntable drive- Remove line to spout Lift nylon drive nut from 10 mm compression fitting shaft lower coupling Coffee output line to Unplug Piston lower posi- Unplug Piston Movement spout tion sensor Sensor Plug Unscrew rear mounting Remove rear mounting Remove front mounting post - 12 mm wrench...
  • Page 16 Tango Brewing Piston Exchange Remove piston halfway Slide piston down Rotate to the right to remove Unplug piston motor wires Turn shaft partway down Transfer Motor Clamp must be on the left Orient motor at this angle Rotate shaft of new Piston with the screw facing out part-way down first! Tighten screw firmly...
  • Page 17 Replace Seals and O-rings Replace filter screen Allowed substitute for a piston change if the lower bearing is OK and the electronic sensors are in good condition FR1948 Piston rebuild kit FR1948 IKV-Fluor UNIC turntable grease Dow Molykote 111 grease Tango 0060 11-2019...
  • Page 18 Piston water Flow Test Tango all versions Measure the water flow through the Piston during the spout rinsing cycle. Consider a Field Rebuild if the flow is restricted. Remove and replace grounds drawer to start the rinsing cycle. Press and Hold YES for 3 seconds to start the rinsing cycle 180-250 ml = Normal flow 150-200 ml = Slight restriction, run a...
  • Page 19 Tango Brewing Piston Field Service Overview Replace Locktite 242 Clean Replace Clean Replace Clean through holes Replace Clean Thin coat of Molykote grease IKV-Fluor grease on ends Wipe clean only! Clean Tango 0060 11-2019...
  • Page 20 Tango Brewing Piston Field Service Pull the brew chamber off Remove outlet nipple Remove the piston from of the piston 12 mm wrench the machine Unscrew the inner piston Remove the 3 mm Allen Remove the Bottom from the jack-screw Plate, Threaded Follower, screws from the lower plate Left hand threads!
  • Page 21 Molykote grease to the press-fit magnets! new lower seal IKV-Fluor MPA-0H Turntable Bearing Grease NSF unic-usa.com Apply a small amount of Make sure the holes in Assemble the spring and IKV-Fluor grease to the the seal line up with the lower plate...
  • Page 22 Apply a small amount of Locktite to each screw Locktite to the screen screw IKV-Fluor MPA-0H Turntable Bearing Grease NSF unic-usa.com Apply a the remaining Re-attach inner piston Install the screen Left hand threads! IKV-Fluor grease to the jack- screw shaft...
  • Page 23 Tango Piston Re-Assembly Apply a thin layer of Push the inner piston Re-install outlet Molykote grease to the brew straight down into the chamber brew chamber Install the O-ring on the Coat the outer O-ring Be very careful not to pinch outside of the brew chamber with Molykote grease or roll under the seal edge!
  • Page 24 Test Rebuilt Piston The field rebuilt piston must be tested in the machine! See the Piston Evaluation / Exchange Instructions for the following tests: Water Flow: Measure rinsing water flow through piston (~225 ml ACE/ST ~60 ml UNO/SOLO) Amp Draw (Friction of movement): Verify piston Amp draw is in range (0.8 Amps - 2.3 Amps) Cleaning: Run a cleaning cycle to sanitize the piston and remove assembly grease...
  • Page 25 Tango Turntable Service Every 2 years (Or if leaking from underside of Turntable) (Adjust Turntable Bearing Tension every 6 months, see next section) Tango UNO/SOLO - ACE/ST Tools needed: 22 mm wrench Flat Blade Screwdriver 6 mm Allen wrench 7 mm wrench 10 mm wrench 2.5 mm Allen wrench 1.
  • Page 26 Tango Turntable Service Access Turntable Remove the 4 side Unplug Machine Remove Grounds Drawer screws from the shroud panel Slide the upper coupling Remove the Inner Panel Relieve tension on Turn- down table shaft by rocking it with a 10 mm wrench Use a flat screwdriver to Lift aluminum reinforcement Turntable shaft released...
  • Page 27 Tango Turntable Service Access Turntable Remove Turntable drive- Remove the piston at this time to Lift lower coupling from shaft allow better cleaning if needed. gearbox See Piston Exchange Instructions Remove Coffee Funnel Remove side shrouds Lift both side shrouds Loosen 7 mm bolt first Press spring latch in while straight up...
  • Page 28 Tango Turntable Service Remove Turntable Loosen 2.5 mm turntable lock Remove 22 mm adjust- Remove locking collar screws ment nut (Rotate shaft first if needed) Pry the top bearing race out if Remove Nut and Bearing Do not damage position it stayed on the shaft assembly sensors when removing...
  • Page 29 Tango Turntable Service Clean Turntable Area Remove and discard old Seals, O-rings, and Pads Do not remove center Bushing For deep cleaning, place a Clean the area thoroughly container under the turntable to catch runoff Scrub the base with coffee A brass or nylon brush may be necessary cleaner.
  • Page 30 Tango Turntable Service Install new Seals FR-1551 Turntable PM kit Install seal, 4 support Install new O-rings with pads, and white plug. Molykote 111 grease No grease! Replace O-ring under Place a small amount of Carefully install Turntable Turntable IKV-Fluor grease on the with eject hole to the rear.
  • Page 31 Tango Turntable Service Repack and Install bearing Upper Lower 15 mm 15.5 mm The upper bearing race has a larger hole. Test fit the upper race first Upper race MUST recess into turntable holder. Place the lower race (groove Install the bearing open side Place the top race (larger up) in the cup and apply a up.
  • Page 32 Tango Turntable Service Bearing Tension Initial Adjustment Check tension of Turntable Re-adjust 22mm nut until tension is very firm Can not move by hand, takes some effort to turn with wrench Check tension of Turntable Re-adjust if needed Install locking collar Reinstall Turntable drive- Rotate Turntable to align Don’t over tighten, final ten-...
  • Page 33 Tango Turntable Service Bearing Tension Final Adjustment ACE / ST UNO / SOLO The Turntable speeds (Tt): The Position Sensor 2 numbers = left and right rotation should stop between 170ms -190ms for newly installed seals the diamond cutouts 140ms -180ms machine already in use Change the speed numbers by adjusting the tension of the Main Bearing...
  • Page 34 SOLO & ACE 12747 CN-2850 27224 CN-198 CN-2850 23785 23763 27796 FR6059 27796 35140 28352 DV-171 DV-170 PH 54 PA-43 RR 67 PH-78 25915 Loctite 542 10/16 Vacuum Breaker and Steam Valve Assembly Tango 0060 11-2019...
  • Page 35 DV-170 PH-54 PA-43 AG-14 FR1038 RR-67 PH-78 RO59A 25915 CN-436 RO-58 RO-55 PC-38 RO-57 RO-68 34406 28134 PH-78 25904 28134 25907 25906 25909 03/16 SteamAir Wand Assembly Tango 0060 11-2019...
  • Page 36 FR6062 27796 21100 27796 23766 23760 DO-71 27796 23761 28134 CN-631R ID 129 FR4138 FR6505 CN-436 CN-436 FR4136 DV-170 PH 54 TC-80 25915 Loctite 601 Loctite 542 Hot Water Valve Assembly 10/16 Tango 0060 11-2019...
  • Page 37 DO-191 ID 98 R100 CN-631R 25400 24456 CN-648 28134 21103 PH-78 28134 TG4014 36510MP 28134 PE-59 23751 28134 CN441A 23751 CN-663 CN-347A Loctite 601 Loctite 542 Water Distribution Manifold 10/16 Tango 0060 11-2019...
  • Page 38 Outlet to Coffee Outlet to Brew Valve Steam Valve Heat-Exchange Supply Pipe Outlet to Americano By-pass Valve Low-Level Probe 26527 26526 Low-Pressure Safety Valve Steam Boiler Outlet to Supply Pipe Hot Water Valve High Level Probe Pressure Transducer NA 70 NA-71 23790 29815...
  • Page 39 FR4069 28134 35500 23751 28134 28134 23752 28134 FR6061 23763 CH-17 27796 FR4180 FR6052 DV-88 27796 20964 27716 21100 29611 50406 RR-83 28720T 29070 28720T Loctite 601 Loctite 542 06/16 Heat-Exchange Tango 0060 11-2019...
  • Page 40 Loctite 222 Loctite 601 FR4212 PH-78 Loctite 542 MI 36 Graisse 84236 B-53 27845 FR4210 50110 35560 21100 PH-78 FR4212 FR4216 21100 FR4038 28700 27907 FR4035 FR2135 FR2006 MI 36 CN-37 CN-620 FR2001 AE-28 AE-28 MI 36 PG-49 FR4213 CN-342 CN-642E FR4211 RO-13...
  • Page 41 23760 27796 23761 27796 CN-651 CN-245R 20957 26301 FR6058 Loctite 542 Coffee Cleaning Valve 10/16 Tango 0060 11-2019...
  • Page 42 Loctite 262 C 48 Loctite 542 Loctite 601 IKV-Fluor MPA 0H FR7000 FR-1551 (Turntable Kit) CN 325 PG-15B FR2082 29831 FR4092 28503 PH-77 27910 34410 28502 52615 PG-13 CN-108 36500 CN-342 FR2033 DV-44 PG-49 PG-15B CN-618 25400 CN-343 23773 50106 50702 23117 PB-21...
  • Page 43 IKV-Fluor MPA 0H 27820 Dow 111 Loctite 242 Loctite 262 FR4021 Loctite 542 33419 Loctite 5366 CN-128 FR-1948 (Piston Kit) CN-30 FR4126 28500 FR4123 FR4127 28500 FR6520 FR4122 FR4025 FR4134 FR4018 28820 FR4017 28510 FR4027 FR4032 DO-54 TC-80 FR4124 CN-489 FR4031 51800 FR2030...
  • Page 44 FR7003 PH-78 FR4015 FR4113 FR7002 SH-28 51655 ID 129 PL-15 37300 52514 52503 CN 526 FR2005 CN-31 CN-342 CN-37 43510 Loctite 262 Turntable Drive Assembly 03/17 Tango 0060 11-2019...
  • Page 45 30° 35540 FR2097 FR4206 CN-23 35541 Graisse 8104 Coffee Spout Valve 10/16 Tango 0060 11-2019...
  • Page 46 RR 32B 27737 23760 PH-17 PH-17 23751 27796 CN-2850 27715 27714 28134 PE-59 FR4082 35021 35012 FR4081 27737 PE-59 FR4078 24452 FR4079 FR4080 FR4084 12708 26174 CN-436 FR4083 26149 20950 26148 FR1046 26171 26151 Venturi Milk System 05/16 Tango 0060 11-2019...
  • Page 47 MI 36 CN-631R MI 36 24452 FR4084 CN-436 23763 27796 23761 27796 CN-651 CN-245R MI-18 20957 26301 Loctite 601 Loctite 542 1-Step Unit Coffee/Milk Cleaning Valve 10/16 Tango 0060 11-2019...
  • Page 48 26526 Outlet to Coffee Return Pipe from Brew Valve Venturi Block Outlet to Steam Valve Heat-Exchange Supply Pipe Pressure Transducer Outlet to Americano By-pass Valve Low-Pressure Safety Valve Low-Level Probe Outlet Pipe to Venturi Block Outlet to 27200 Hot Water Valve 26527 Steam Boiler High-Level Probe...
  • Page 49 51255 PB-98 PG-49 CN-31 CN-342 CN-37 CN-642 CN-362T CN-679 PB-88 PB-89 CH-16 FR4057 PA-60 DO-74 PB-21 CN441A 83501 CN-96B CN-631R 28134 FR4095 FR4069 Loctite 601 Loctite 542 Water Inlet 12/16 Tango 0060 11-2019...
  • Page 50 Coffee System Cleaning Instructions Clean coffee with tablets everyday The Tango has an advanced cleaning system that requires specially formulated tablets Use only UNIC brand cleaning tablets. UNIC #92025 100 tablets/jar Remove Waste Drawer UNIC #92025 Unscrew Cleaning Cover Replace Cleaning Cover...
  • Page 51 SteamAir Wand Operation Automatic Milk Steaming: More air creates lighter foam with larger bubbles Less air creates denser foam with smaller bubbles ••• More air • • • • • • • Less air Press SteamAir Button Turn the adjusting collar Steam Wand should be to vary the amount of air centered in the pitcher...
  • Page 52 SteamAir Wand Cleaning Clean the Steam Tip everyday or if steam leaks from the top of the wand The SteamAir Wand may be removed for cleaning if it has NEVER soak in cleaner! heavy milk build-up Switch OFF Switch the machine OFF before removing the Wand! Remove Temperature Unscrew Steam Tip...
  • Page 53 Milk Foamer Head Removal The Tango Milk Foamer must be removed and cleaned at least once per day! Use only acid formulation RINZA UNIC #12RAF32 32 OZ Remove Milk Foamer Remove the magnetically Unlock the Foamer by twist- Remove the Foamer by...
  • Page 54 Milk Foamer Cleaning Every Day! Push the Insert out of Unscrew the Foamer Pull out the Nozzle insert the Center Tube Cover Tube Soak the parts in Use the brush to clean Also clean the Main Rinza solution for 5 the Nozzle insert Milk Jet minutes...

This manual is also suitable for:

Tango unoTango soloTango stTango st soloTango st duo