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Summary of Contents for Nieco MPB94
- Page 1 Nieco MPB94 Gas Preventative Maintenance Guide May 16, 2017 Final...
- Page 2 Procedures Preventative Maintenance should be performed every 12 months PM should be scheduled either after closing or prior to opening Inspect power supply cord and cap. Check cap for signs of overheating. Check cord for cracks and breaks. Inspect gas hose and connections for cracks and leaks Inspect all four wheels/casters.
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Page 3: Inspection Sheet
Inspection Sheet Restaurant Number ____________ Date: ______________________ Serial Number ________________ Inspected and good condition Needs follow up service Needs Immediate service or replacement Service or replacement completed COMPONENT CHECK Inspect Power cord and plug Inspect Casters, make sure they are tight to frame, no flat spots and roll properly Inspect Panels and all other removable parts Inspect Gas hose and supply. - Page 4 Assembly...
- Page 5 Assembly...
- Page 6 White PTFE Bearings FEED END DISCHARGE END P/N 6049 P/N 6049 P/N 6047 P/N 6046 Example 1. Inspect all 4 PTFE Bearings and replace if worn...
- Page 7 Flame Arrestors Old style Flame Arrestor P/N 16202 Old Style This is a one piece design and the entire arrestor must be replace if there are any holes or excessive warping. Replace with the new style flame arrestor New Style New style Flame Arrestor This Flame Arrestor is a frame P/N 19970...
- Page 8 Lubricate all Drive Chains Shoulder Bushing Feeder Chain Drive Chains (2) Remove cover and lubricate Drive Chains. (2 chains)(We suggest using high temperature grease) Remove cover and lubricate Feeder Chains. (Main and Flex sides) (We suggest using high temperature grease) Remove feeder drive and replace white shoulder bushing Install feeder assembly and align pin with feeder...
- Page 9 Replace Ignition Parts Hot Surface Igniter Flame Sensor Hot Surface Igniter Flame Sensor Note: Broilers built in 2006 require snap in flame sensor and separate spark wire. 1. Replace the Hot Surface Igniter 2. Replace the Flame Sensor...
- Page 10 Elements Element Mounting Clip 1. If present, remove all the mounting clips for the upper heating elements on both the main and flex side of the broiler and discard. 2. Inspect all elements for cracks, bowing and excessive corrosion.
- Page 11 Replace Pilot Burners Upper Pilot Burner P/N 2180 Lower Pilot Burner P/N 2179...
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Page 12: Orifice Replacement
Orifice Replacement Note: Orifices sizes are for non CE broilers Orifices Natural Gas Orifices LP Gas Description Part # Description Part # 1 Orifice, Pilot #3225 2182 1 Orifice, Pilot #4214 17276 2 Orifice, Zip Tube #75 2185 2 Orifice, Zip Tube #80 2186 3 Orifice, Main Burner, #42 16590... - Page 13 Set Gas Pressures Dungs Valve Adjustment Manifold Test Port Gas Regulator High Gas Adjustment Low Gas Adjustment Gas Test Port Setting the pressures and calibration 1. Assemble the broiler and connect power and gas 2. Attach Manometer to the Gas Test Port on the main gas valve 3.
- Page 14 Set Gas Pressures Honeywell Gas Valve adjustment High Gas Adjustment Low Gas Adjustment Test Port Manifold Test Port Gas Regulator Shut off Valve Setting the pressures and calibration 1. Assemble the broiler and connect power and gas 2. Attach Manometer to the output test port on the main gas valve 3.
- Page 15 Calibrate Broiler Automatic calibration Automatic Calibration A. Before turning the broiler on, press and hold the load sensing control knob/button in B. Turn the main power switch to position 2 and continue to hold the load sensing control knob/button in for 5 seconds.
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Page 16: Parts Required
Parts Required Description Part # Shoulder Bushing 14896 Igniter, Hot Surface 10291 Sensor, Flame (snap in) 16857 Machines built in 2006 Sensor, Flame W/wire 25957 Machines built after 2006 Burner, Pilot 2180 Burner, Pilot 2179 PTFE Bushing 6049 PTFE Bushing 6046 PTFE Bushing 6047...
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