Keating Of Chicago MIRACLEAN Service & Preventative Maintenance Training Download Page 33

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Lighting Problems Trouble Shooting

•

Gas Valve Replacement

continued

11.

Disconnect the wires attached

to the gas valve.

12.

Loosen nut.

13.

Disconnect pilot tube.

14.

Unscrew gas valve to remove

from gas pipe.

15.

Remove fitting from old gas valve and clean it. Add new

gas pipe sealant to threads, and install on new gas valve.

16.

Clean threads of gas pipe and apply gas pipe sealant.

Thread new gas valve.

17.

Install new gas valve onto gas pipe. Connect tube and

tighten

nut.

18.

Connect wire to new gas valve.

19.

Connect pilot tube to new gas valve.

Pilot

Tube

Fitting

Gas

Pipe

Summary of Contents for MIRACLEAN

Page 1: ......

Page 2: ...eveling 10 Gas Pressure 11 Quick Disconnect 12 Lighting 13 Lighting Problems 18 32 Heating Problems 33 35 Cleaning 36 38 TOP SIDE COOKER Top Side Cooker 39 Features 40 Control Box 42 Setting the Tempe...

Page 3: ...Customer Service 1 For warranty problems on our equipment have the end user call 1 800 KEATING with model and serial...

Page 4: ...2 Our Customer Service Team can help you with everything from troubleshooting to parts identification You must have the model and serial number of the unit when calling for assistance Customer Service...

Page 5: ...3 Our policy at Keating is to provide you with a written quotation on any parts identified We want to ensure you receive the correct parts Customer Service...

Page 6: ...4 Finding support for our products is easier than ever Keating of Chicago Online You can visit our web site 24 hours a day at keatingofchicago com...

Page 7: ...d Keating of Chicago Online Warranty Service contact information Authorized Service Providers Directory Download product manuals updated service instructions MSDS Sheets for Keating Klenzer Acidox and...

Page 8: ...MIRACLEAN Griddles 6...

Page 9: ...N Surface MIRACLEAN plating applied in an 8 step process yielding a surface 7 10 as hard as a diamond Plate Hundreds of size combinations available Gas and Electric Models Better heat transfer cooler...

Page 10: ...No Calibration Required 8 All equipment tested at factory before shipping Thermostat has been calibrated at our factory Test Charts included in accessory box with manual Equipment Testing...

Page 11: ...Equipment Inspection 9 Equipment is Inspected Prior to Shipping...

Page 12: ...on legs the bottom foot is adjustable Turn counter clockwise to decrease height clockwise to increase height Casters are adjustable by loosening the jam nut When desired level is reached tighten the j...

Page 13: ...follow gas pressure requirements Installer should check incoming gas pressure and manifold pressure with all equipment in the kitchen on and operating Natural Gas 7 Supply 4 Manifold LP Gas 11 Supply...

Page 14: ...12 Quick Disconnect Installation This griddle installation is incorrect the quick disconnect should connect directly to the griddle This griddle installation is correct...

Page 15: ...in the supply line may require a longer than normal period of time to light griddle during initial installation after overnight shut down or when re lighting Make sure main gas valve is in ON position...

Page 16: ...NOTE We recommend lighting the burner on the side farthest from the incoming gas first left side when facing griddle When the farthest burner receives gas gas is available for other burners Turn pilot...

Page 17: ...Griddle Push in and hold the pilot gas valve knob and while holding push the red spark ignition button to light the pilot When griddle is first installed it may take longer than 90 seconds to bleed t...

Page 18: ...Lighting the MIRACLEAN Griddle When the spark ignites the pilot continue to hold in for 60 seconds Then release the pilot gas valve knob the pilot should remain burning Turn the knob to the ON positi...

Page 19: ...the MIRACLEAN Griddle Turn On Off switch to ON position Set thermostat knob to desired temperature NOTE The operating temperature should be from 10 F to 25 F lower than conventional griddles we recom...

Page 20: ...blems Trouble Shooting No Gas Check incoming gas line quick disconnect in rear of griddle Note Each section of the griddle is independent Air in gas line start ups reconnections PROBLEM None of the pi...

Page 21: ...g 1 Check Piezo Verify spark is present does pilot light using a match lighter Bend the electrodes into the correct position 2 Check Gas Valve Knob Is the knob broken It should NOT spin 360 degrees PR...

Page 22: ...operation 2 The thermostat leads and all wire connections should be cleaned and tightened to eliminate all unnecessary resistance The millivolt valve is a thermopile self powered combination gas cont...

Page 23: ...ck millivolt output with Voltmeter or Multi meter With thermostat contacts open 325 to 700 mV With thermostat contacts closed 200 mV or more If readings are below the numbers listed replace thermopile...

Page 24: ...ting NOTE The millivolt system and individual components may be checked with a Millivolt meter having a 1 1000 mV range Conduct each check below by connecting meter test leads to terminals as indicate...

Page 25: ...ecessary Check the black wire between TH terminal on gas valve and the thermostat It must not have any breaks or bare spots that allow it to ground out Check for loose thermopile connections at the ga...

Page 26: ...24 Lighting Problems Trouble Shooting 1 Check for Gas valve in pilot position Power switch or thermostat OFF position Loose wire connections PROBLEM Pilot lights burner does not...

Page 27: ...tat 3 Defective switch With all components in ON position clip a jumper wire between the terminals on the switch on the side with the wire harness attached If the burner ignites replace the switch Not...

Page 28: ...ot lights burner does not Note when checking the ohm readings the thermopile wire must be disconnected from the TP terminal on the valve and the switch and or thermostat needs to be in the OFF positio...

Page 29: ...urner does not Check 2 Place one point of the multi meter on the THTP terminal on the valve and the other on the TH terminal This resistance reading should be 11 5 ohms 0 2 ohms Check 3 Place one poin...

Page 30: ...1 Remove screws from control panel 2 Remove grease drawer set to side 3 Remove screws that hold surround 4 Carefully guide control panel through surround 5 Set heat shield off to side 6 Disconnect ga...

Page 31: ...ent continued 7 Remove 2 nut bolts that attach griddle frame 8 Griddles with grease chute on side of plate go on to step 10 Griddles with grease chute in front of plate disconnect the burner that sits...

Page 32: ...s to cut B Lift the back of the burner so the stub on the bottom of the burner comes out of the hole in the frame Move the burner towards the back of the griddle so the burner will slide off of the or...

Page 33: ...move from gas pipe 15 Remove fitting from old gas valve and clean it Add new gas pipe sealant to threads and install on new gas valve 16 Clean threads of gas pipe and apply gas pipe sealant Thread new...

Page 34: ...front of plate you will need to reinstall burner onto the frame A Slide the burner over the orifice holder and set the burner nub back into hole in frame B Use wire ties to fasten burner in place to...

Page 35: ...Heating Problems Trouble Shooting PROBLEM Improper Heating 1 Check for draft blowing on plate using a butane lighter Observe flame 2 Check for flue blockage 3 Improper food loading refer to chart 33...

Page 36: ...Heating Problems Trouble Shooting PROBLEM Improper Heating 4 Take temperatures 12 back from front of plate over the inverted V using a surface thermometer do not use an infrared thermometer 34...

Page 37: ...Heating Problems Trouble Shooting PROBLEM Improper Heating 5 Verify proper installation of the thermostat Tip of bulb sticks out 1 past end of V channel 35...

Page 38: ...the MIRACLEAN Griddle DO NOT use bricks stones screens or chemicals to clean the griddle surface DO NOT hack chop cut or hit the griddle surface STEP 1 Scrape the Miraclean surface using the Keating s...

Page 39: ...ace STEP 2 Clean your Miraclean Griddle while warm at approximately 300 F Use entire pitcher of water pour pitcher at a time on the surface while brushing with the Keating Palmetto brush Scrub the gri...

Page 40: ...griddle has been cleaned sprinkle Keating Klenzer on the surface Add water and using the Palmetto brush work the Klenzer and water into a paste Allow to dry and then polish with a soft cloth Rinse tho...

Page 41: ...Top Side Cooker Keating recommends setting the temperature of the Top Side Cooker 50 F higher than the surface of the MIRACLEAN griddle 350 F for the griddle 400 F for the Top Side 39...

Page 42: ...Top Side Cooker Features Cuts cooking time in half Micro Leveler Miraclean Plate Manual or Automatic design Polymer coated reversible cooking sheets for easy clean up 40...

Page 43: ...Top Side Cooker Features 41...

Page 44: ...Top Side Control Box Location Top Side control box es should be located in a well ventilated area The maximum ambient temperature for each control box is 122 F 50 C 42...

Page 45: ...Top Side Control Box Location The Top Side control boxes shown are stacked and contained in a box causing high ambient temperatures control boxes should always be located in a well ventilated area 43...

Page 46: ...Setting the Temperature of the Top Side Turn the ON OFF switch to the ON position 44...

Page 47: ...H TO SET button on the thermostat and adjust the knob to the desired temperature To increase the temperature turn clockwise To decrease turn the knob counterclockwise The new temperature will be enter...

Page 48: ...start a cycle press the desired channel button 1 3 The display will begin to countdown from the preset time setting and the relay output contacts will close During the countdown the colon will flash a...

Page 49: ...utton for the channel to be programmed T1 T2 or T3 The display will show the current setting for that channel Use the up or down button to increment or decrement the setting When the setting is correc...

Page 50: ...ycle in progress press any button The relay output contacts will open the display will flash and the countdown will pause To resume the countdown press any button The display will resume the normal co...

Page 51: ...l Timers Canceling a Cycle To cancel a cycle in progress press and hold any button for approximately two seconds The relay output contacts will open and the display will show the time setting for the...

Page 52: ...Cooking Head Trouble Shooting 50 PROBLEM Uneven heating Check the micro leveler are both plungers in the same position...

Page 53: ...M Improper heating High Limit Probe room temperature 1 000 1 100 ohms 400 F 1 800 ohms Thermostat Disconnect probe from controller and measure resistance If resistance is over 15 replace probe Check t...

Page 54: ...Shooting 52 PROBLEM Head fails to lift or lower Auto Lift Uses a timer to raise and lower actuator Verify proper timer operation Check circuit breaker in rear Verify voltage to actuator replace actua...

Page 55: ...ve the cooking sheet from the cooking head 2 Wash the cooking sheet in a sink with soap and water and dry thoroughly 3 After the cleaning is complete reverse the cooking sheet and reattach it to the c...

Page 56: ...ing Head 54 1 With the cooking sheet removed scrape Miraclean surface from front to back with Keating griddle scraper 2 Clean and polish surface with Keating Klenzer on a damp soft cotton cloth Wipe o...

Page 57: ...Warranty 55...

Page 58: ...ty time frame are not necessarily warranty calls A responsible and experienced servicer knows the difference between a legitimate warranty repair and operator generated failure It is the responsibilit...

Page 59: ...Warranty 57 Work Authorization Form...

Page 60: ...Warranty 58 Our labor guide includes labor rates and goes into greater detail regarding warranty invoices and our part return process...

Page 61: ...l parts returned from the field are tested New parts tested for proper operation before returning to stock Parts are tested for the malfunction stated on service invoice Returned part must be received...

Page 62: ...Returned Parts 60 Warranty Part Test Report Form...

Page 63: ...rt 61 EXAMPLE Rejected Thermostat The manufacturer of the thermostat voids the warranty if the set screw in the stem of the thermostat has been adjusted Keating will not pay for warranty service to ad...

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