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Manafacture: Vulcan-Hart File size: 335.44 kb File name: 9f92905e-d694-486a-8b97-706e3ea109e7.pdf Language of manual:

(800) 814-2028 WWW.VULCANHART.COM FORM 31087 Rev. B (June 2006) PARTS REPLACEMENT WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW THE LOCKOUT / TAGOUT PROCEDURES. HEATER (Fig. 1) 1. Push one end of the heater into one socket as far as it will go. 2. Swing the other end of heater up until it lines up with the opposite socket. 3. Release heater and it will snap into place. 4. Grasp the heater and move it back and forth to ensure that it is centered correctly. 5. Rotate the heater clockwise, then counterclockwise, to ensure that it is seated correctly. PL-53526-E Fig. 1 COOLING FANS 1. Remove the access panel on the left side of the cheesemelter. 2. Unscrew the four mounting screws. 3. Disconnect the fan leads and lift out the fan. 4. Install new fan. • Make sure that all wires are enclosed by the nylon wire clamps so that none of the wires can reach the fan blades. The cooling fan should blow air into the control compartment. An arrow on the fan housing indicates the direction of air flow. – 2 – COMPONENT REPLACEMENT 1. Remove the access panel on the left side. 2. Remove all screws holding down the cover. 3. Lift cover straight up. Replacement of the voltage regulator, actuating switch, main terminal block, or the contactor (1048 only) will require removing the component mounting plate. 1. Disconnect the wires from the on pilot light and the switches. 2. Tag or mark the wires to ensure correct replacement. 3. Remove the two mounting screws. • One is located at the bottom left of the voltage regulator. • The other is located under the lower part of the cooling fan. This screw can be reached through the blades of the fan. 4. Remove the component mounting plate and replace the component. Make sure that the screw that operates the actuating switch is above the switch lever. – 3 – COMPONENT LOCATION DRAWING PL-53527 SOCKETSCONTACTOR (1048) PILOT LIGHT ACTUATING SWITCH COOLING FAN NYLON LOOP TERMINAL BLOCK GROUND STUD VOLTAGE REGULATOR SWITCHCOMPONENT MOUNTING PLATE COMPONENT LOCATION (VIEW OF LEFT SIDE WITH COVER REMOVED) – 4 – TROUBLESHOOTING (See component location drawing on page 4.) WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW THE LOCKOUT / TAGOUT PROCEDURES. IF THE UNIT BLOWS A FUSE OR TRIPS A CIRCUIT BREAKER 1. Check the capacity of the circuit. 2. Short circuits may be accompanied by sputtering sounds or sparks. IF THE HEATERS DO NOT LIGHT 1. If the pilot light does not come on, and the cooling fan does not run, check for a blown fuse or an open circuit breaker. 2. Check for failure of the main switch. 3. On the 1048, check for contactor failure. 4. Check for a loose wiring connection. 5. If the pilot light is lit, and the cooling fan is running, but the heaters do not light, check for loose wiring connections. When the cheesemelter is operating in standby with no product on the rack, the heaters may not glow, but will still emit some heat. 6. If one heater is lit, but the other is not, a burnout or a loos...

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