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If a major change in burner operation is noticed, check for obstruction of airflow, around the orifice. Burner performance is affected by (a) orifice size, (b) pressure, (c) injection, and (d) primary airflow. The burner orifice must be centered within the air mixer opening. ADJUSTMENT OF GAS PRESSURE REGULATOR The pressure regulator is located in the right-hand interior compartment of the Cheese Melter. Accessing it will require removing the front panel and the right side panel of the Cheese Melter. The regulator is preset for 4" W.C. for natural gas, or 10" W.C. for propane gas. If adjustment is necessary, do the following: 1. Turn Cheese Melter control knob to OFF. 2. Attach a pressure-measuring device to the 1/8" NPT connector located on the front of each burner manifold. 3. Turn the Cheese Melter control knob to HIGH and, with the burners lit, check the manifold pressure. The pressure should be 4" W.C. (for natural gas) or 10" W.C. (for propane gas). 4. If necessary, adjust the pressure by unscrewing the top of the pressure regulator (use a screwdriver) to expose the adjustment screw underneath. Rotating the adjustment screw clockwise increases the manifold pressure. 5. After the pressure has been adjusted, turn the Cheese Melter control knob to OFF, replace the top of the pressure regulator, and disconnect the pressure-measuring device (replacing the plug into the connector on the manifold). PAGE 20 OF 28 INSTALLATION AND OPERATION MANUAL 1186533 REV 1 (02/06) INFRARED CHEESE MELTER SERVICE PARTS The following table describes the serviceable parts. For parts not listed, contact a Blodgett Range Authorized Parts Distributor or a Blodgett Range Authorized Service Agency. PARTS LIST B36-CM PARTS LIST B36-CM Part Number DESCRIPTION Qty. Part Number DESCRIPTION Qty. 1183202 BODY SIDE, LEFT 1 1183315 NIPPLE,PIPE, BLK. 3/8" X 7.50" 1 1183323 BODY SIDE, RIGHT 1 1183259 TUBE, BURNER SUPPLY (H) 2 1183332 BRACKET, ORFICE 4 1187779 KNOB, VALVE ADJUST 2 1187619 FRONT, BODY 1 1187778 POLYPANEL, NFR/CM 2 1183208 BASE, AZ 1 1164085 VALVE ASM, PILOT 1 1183209 GREASE DRAWER, BA 1 1188253 NAMEPLATE, NEW SB 11.00" 1 1183210 BODY, BOTTOM/BACK 1 1183256 TUBE, VALVE SUPPLY 1 1183219 STIFFENER, CAVITY 1 1187780 RACK, CM-36 1 1183262 COVER 1 1187785 RACK GUIDE, 5 POS. 2 1183263 PLATE, HEAT DEFLECTOR 1 (NAT GAS COMPONENTS) 1187604 SUPPORT, REAR 1 1133301 REGULATOR,WC @ 4" NAT 1 1183257 MOUNT, BURNER 1 1187723 VALVE, BURNER HI-LO 2 1183220 DEFLECTOR, FLUE 1 1008754 ORIFICE HOOD, DRILL # 54 4 1183246 ASM, BURNER 4 1182628 PILOT ASSY 2 1183251 W/A, MANIFOLD 2 (PROP GAS COMPONENTS) 1183330 ASM, MANIFOLD, BURNER 2 1165704 REGULATOR, WC @ 10",PRO 1 1187624 ASM, INNER LINING 1 1187723 VALVE, BURNER HI-LO 2 1183248 TUBE, BURNER SUPPLY (V) 2 1008764 ORIFICE HOOD, DRILL # 64 4 1183264 TUBE, PILOT ADJUST 1 1182628 PILOT ASSY 2 1183310 TUBE, FLEX 1/4 x 16" LG 2 1186533 MANUAL, CM 1 PARTS LIST B48-CM Qty. PARTS LIST B48-CM Qty. Part Number DESCRIPTION P48 Part Number DESCRIPTION P48 1183202 BODY SIDE, LEFT 1 1183186 TUBE, BURNER SUPPLY (CNTR) 2 1183323 BODY SIDE, RIGHT 1 1185226 TUBE 1/4" X 2" (PILOT) 1 1183332 BRACKET, ORFICE 6 1187779 KNOB, VALVE ADJUST 2 1187621 FRONT, BODY 1 1187778 POLYPANEL, NFR/CM 2 1183142 BASE, AZ 1 1164085 VALVE ASM, PILOT 1 1183144 GREASE DRAWER, BA 2 1188253 NAMEPLATE, NEW SB 11.00" 1 1183141 BODY, BOTTOM/BACK 1 1183158 TUBE, VALVE SUPPLY 1 1183145 STIFFENER, CAVITY 1 1187782 RACK, CM-48 1 1183161 COVER 1 1187785 RACK GUIDE, 5 POS. 2 1183159 PLATE, HEAT DEFLECTOR 1 (NAT GAS COMPONENTS) 1187606 SUPPORT, REAR 1 1133301 REGULATOR,WC @ 4" NAT 1 1183171 MOUNT, BURNER 1 1187723 VALVE, BURNER HI-LO 2 1183169 DEFLECTOR, FLUE 1 1008754 ORIFICE HOOD, DRILL # 54 6 1183246 ASM, BURNER 6 1182628 PILOT ASSY 3 1183251 W/A, MANIFOLD 2 1183331 ASM, MANIFOLD, BURNER 2 (PROP GAS COMPONENTS) 1187625 ASM, INNER LINING 1 1165704 REGULATOR, WC @ 10",PRO 1 1183248 TUBE, BURNER SUPPLY (V) 2 1187723 VALVE, BURNER HI-LO 2 1183264 TUBE, PILOT ADJUST 1 1008764 ORIFICE HOOD, DRILL # 64 6 1183310 TUBE, FLEX 1/4 x 16" LG 3 1182628 PILOT ASSY 3 1183315 NIPPLE,PIPE, BLK. 3/8" X 7.50" 1 1183185 TUBE, BURNER SUPPLY (H) 2 1186533 MANUAL, CM 1 INSTALLATION AND OPERATION MANUAL 1186533 REV 1 (02/06) PAGE 21 OF 28 SERVICE INFRARED CHEESE MELTER Parts (cont) PARTS LIST B60-CM PARTS LIST B60-CM Part Number DESCRIPTION Qty. Part Number DESCRIPTION Qty. 1183202 BODY SIDE, LEFT 1 1183259 TUBE, BURNER SUPPLY (H) 2 1183323 BODY SIDE, RIGHT 1 1185226 TUBE 1/4" X 2" (PILOT) 2 1183332 BRACKET, ORFICE 6 1187779 KNOB, VALVE ADJUST 2 1187622 FRONT, BODY 1 1187778 POLYPANEL, NFR/CM 2 1187644 BASE, AZ 1 1164085 VALVE ASM, PILOT 1 1187660 GREASE DRAWER, BA 2 1188253 NAMEPLATE, NEW SB 11.00" 1 1187638 BODY, BOTTOM/BACK 1 1187666 TUBE, VALVE SUPPLY 1 1187652 STIFFENER, CAVITY 1 1187783 RACK, CM-60 1 1187650 COVER 1 1187785 RACK GUIDE, 5 POS. 2 1187648 PLATE, HEAT DEFLECTOR 1 (NAT GAS COMPONENTS) 1187607 SUPPORT, REAR 1 1133301 REGULATOR,WC @ 4" NAT 1 1187664 MOUNT, BU...

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