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Vulcan-Hart EG160 - page 1
SER VICE MANUAL VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL. (502) 778-2791 FORM 31054 Rev. A (5-98) GAS REST AURANT RANGE EG24, 36, 48, 60, 160 AND 260 MODEL EG24 ML-52486 EG36 ML-52487 EG48 ML-114956 EG60 ML-52488 EG160 ML-52489 EG260 ML-52490 EG36 ...
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Vulcan-Hart EG160 - page 2
– 3 – IMPORT ANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE OB ...
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Vulcan-Hart EG160 - page 3
– 4 – EG60 EG260 EG160 EG24 EG48 EG36 PL-53006 GAS REST AURANT RANGE MODELS ...
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Vulcan-Hart EG160 - page 4
– 5 – SER VICE MANUAL GAS REST AURANT RANGES INDEX PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCE DESCRIPTION P A G E SERVICE NOTATIONS 6 UNITS MOUNTED ON CASTERS 7 SERVICING SIMPLE CHECKS AND ADJUSTMENTS 7-10 GAS CONNECTIONS 11, 12 TESTING THE GAS SUPPLY SYSTEM 12 ORIFICE SIZE REQUIREMENTS FOR DIFFERENT ELEVATIONS 12 PILOT LIGHTING AND ADJUSTMEN ...
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Vulcan-Hart EG160 - page 5
– 6 – DEDICA TED TECHNICAL SERVICE HOT LINE- (1-502-778-2791) SERVICE NOTATIONS: 1. The procedures outlined in this manual are to be performed only by Vulcan-Hart authorized service representatives. 2. An authorized Vulcan-Hart service representative is one who is familiar with Vulcan equipment and who has been endorsed by Vulcan-Hart Company t ...
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Vulcan-Hart EG160 - page 6
– 7 – UNITS MOUNTED ON CASTERS Units mounted on casters utilizing a flex hose and quick-disconnect must be installed with a restraining device. The restraining device must be connected at all times. If disconnection of the device is necessary, turn off the gas supply before disconnection. Reconnect the restraint before turning the gas supply on ...
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Vulcan-Hart EG160 - page 7
– 8 – 2. Oven Door Turnbuckle NOTE: For the 24L units, refer to procedure outlined under 2A. If the oven door is not closing properly, the door turnbuckle may require adjustment. To adjust the turnbuckle, flip down the lower front kick panel. The turnbuckle is connected between the right- and left-hand door springs (Fig. 1). With your hand, rot ...
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Vulcan-Hart EG160 - page 8
– 9 – SER VICING SIMPLE CHECKS AND ADJUSTMENTS (Cont.) 3. Pilot Flame Height TOOLS REQUIRED: Standard flat blade screwdriver. Top Burners: To adjust pilot flame height of the unit top burners, locate the pilot adjustment screws found on the front manifold pipe. It is not necessary to remove the manifold cover, as adjustment access holes have be ...
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Vulcan-Hart EG160 - page 9
– 10 – 2. With screwdriver, adjust pilot key (located under pilot adjustment cap) to provide the proper size flame. 3. Replace pilot adjustment cap. NOTE: If unit still is not heating correctly, refer to THERMOSTAT ADJUSTMENTS on Page 18. 4. Air Shutter Adjustment TOOLS REQUIRED: Standard flat blade screwdriver. The efficiency of the oven depen ...
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Vulcan-Hart EG160 - page 10
– 11 – GAS CONNECTIONS CAUTION: All gas supply connections and any pipe joint compound used must be resistant to the action of propane gases. Each unit is factory-equipped with the type gas specified on the rating plate. The installation gas connection is a 3 ⁄ 4 " (19mm) 14 FPT thread ANSI schedule #40 standard pipe. Codes require that ...
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Vulcan-Hart EG160 - page 11
– 12 – GAS CONNECTIONS (Cont.) INPUT AT SEA LEVEL PER BURNER (BTU ’ S) ORIFICE SIZE REQUIREMENTS FOR DIFFERENT ELEVATIONS FOR RESTAURANT RANGE ORIFICE SIZE SEA LEVEL TO 2000 FT 2000 FT TO 4000 FT 4000 FT TO 6000 FT 6000 FT TO 8000 FT OPEN TOP HOT TOP GRIDDLE BRO/GRID OVEN (STD) 17,500 20,000 15,000 10,000 30,000 5.124 kW 5.856 kW 4.392 kW 2.9 ...
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Vulcan-Hart EG160 - page 12
– 13 – NOTE: Although pilot lighting procedures are to be performed by both installation and operation personnel, only the installation/service personnel should attempt to make any pilot, burner, or temperature adjustments to this unit. The operation personnel are authorized only to perform the procedures for pilot lighting. All adjustment proc ...
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Vulcan-Hart EG160 - page 13
– 14 – OPEN TOP BURNERS 1. Turn main gas supply “ ON ” . 2. Wait 30 seconds and, using a taper, light the open top pilot (Fig. 10). Fig. 10 3. If pilot fails to light, turn main gas supply “ OFF ” . Wait 5 minutes and repeat the above procedures. 4. Turn one open top burner valve “ ON ” to remove air from the gas line. Turn burner ? ...
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Vulcan-Hart EG160 - page 14
– 15 – BROILER/GRIDDLE 1. Turn main gas supply “ ON ” . 2. Wait 30 seconds and, using a taper, light broiler/griddle pilot (see Fig. 9). 3. If pilot fails to light, turn main gas supply “ OFF ” . Wait 5 minutes and repeat Steps 1 and 2. 4. Turn burner valve “ ON ” to purge air from the lines. Turn burner valve “ OFF ” when gas b ...
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Vulcan-Hart EG160 - page 15
– 16 – 2. Light pilot by depressing the reset button located behind the kick panel (Fig. 12). Light pilot and continue to hold reset button in for 1 minute. If pilot fails to light, turn main gas supply “ OFF ” and wait 5 minutes before repeating Step 2. 3. After pilot is lit, turn the temperature dial to the desired setting. Nightly Shutdo ...
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Vulcan-Hart EG160 - page 16
– 17 – PILOT LIGHTING AND ADJUSTMENTS (Cont.) OVEN BURNER ADJUSTMENTS NOTE: These procedures should be performed only by a qualified Vulcan-Hart service representative. TOOLS REQUIRED: Standard flat blade screwdriver. All Restaurant Range series units equipped with pressure regulator and fixed orifices have been adjusted at the factory and shou ...
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Vulcan-Hart EG160 - page 17
– 18 – THERMOST A T ADJUSTMENTS NOTE: These procedures should be performed only by a qualified Vulcan-Hart service representative. STANDARD OVEN Although the unit thermostats are factory positioned to their proper setting, it is not unusual for the thermostat to be knocked out of adjustment during shipment. If the oven or griddle heat response ...
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Vulcan-Hart EG160 - page 18
– 19 – THERMOST A T ADJUSTMENTS (Cont.) 3. Light the burner. Turn the dial to the highest set temperature. 4. After 10 minutes, turn the dial clockwise to the point slightly beyond the first mark on the dial (shown by an “ X ” ). 5. Remove the dial and sleeve (Fig. 17). Fig. 17 Fig. 18 6. With a screwdriver, turn the left-hand bypass adjust ...
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Vulcan-Hart EG160 - page 19
– 20 – THERMOST A T ADJUSTMENTS (Cont.) 3. Allow unit to heat until the burner flame is heard cutting “ OFF ” . Wait about 10 minutes until the burner flame has cycled “ ON ” and “ OFF ” several times. Then compare the test instrument reading with the dial setting. If the reading is within ± 15 ° F (-9.4 ° C) of the dial setting, ...
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Vulcan-Hart EG160 - page 20
– 21 – THERMOST A T ADJUSTMENTS (Cont.) 10. To recalibrate, hold the thermostat dial in place. Insert screwdriver into dial shaft to engage the calibration stem adjustment screw (Fig. 20). Push inward (do not turn stem). Fig. 20 Fig. 21 12. Release the calibration screw and reinstall the dial insert. 13. Set the dial to 450 ° F (232.2 ° C) an ...
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Vulcan-Hart EG160 - page 21
– 22 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION REGULATOR CHECK A regulator is installed on each range. When servicing this equipment for possible gas pressure problems, the following visual checks should be made first. Make sure the regulator has been installed at the rear of the unit with arrow pointing in the horizontal position in the ...
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Vulcan-Hart EG160 - page 22
– 23 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION (Cont.) 2. With only two open top burners “ ON ” , note the manometer reading. The reading should be 3.7" Water Column (.92 kPa) for natural gas units and 10.0" Water Column (2.5 kPa) for propane gas units. If readings taken are lower, check the incoming line pressure. NOTE: Th ...
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Vulcan-Hart EG160 - page 23
– 24 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION (Cont.) 1. Connect the manometer to the pressure tap provided on the rear manifold pipe (see Fig. 23). 2. Check the reading. The reading should be 3.7" Water Column (.92 kPa) for natural gas and 10.0" Water Column (2.5 kPa) for propane gas. 3. If reading is incorrect and the proper ...
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Vulcan-Hart EG160 - page 24
– 25 – STANDARD OVEN AND GRIDDLE THERMOSTAT CHECKS AND CALIBRATION Refer to THERMOSTAT ADJUSTMENTS on Page 18 of this manual for the procedures for checking and calibrating the thermostat for the standard oven and griddle. STANDARD OVEN AND GRIDDLE THERMOSTAT REPLACEMENT TOOLS REQUIRED: Pipe wrench, 6" adjustable wrench, 1 ⁄ 8 " fla ...
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Vulcan-Hart EG160 - page 25
– 26 – 5. Remove the top section burner valve knobs, top grates and aeration plate. (Figs. 30) 6. Remove screws holding the control panel in place. 7. Disconnect the thermostat burner tubing (Fig. 31). 8. Remove top burners, if required, to access the thermostat. ST ANDARD OVEN & GRIDDLE THERMOST A T REPLACEMENT (Cont.) 4. From inside the o ...
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Vulcan-Hart EG160 - page 26
– 27 – 9. Unscrew the thermostat from the manifold pipe (Figs. 33, 34, & 35). Fig. 33 Fig. 34 10. Replace thermostat mounting block. Place pipe dope on the threaded end of the new thermostat mounting block to be installed onto the unit. 11. Install the new thermostat by reversing Steps 1 through 9 above. NOTE: Do not kink the new capillary ...
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Vulcan-Hart EG160 - page 27
– 28 – OVEN PILOT CHECK If all other systems have been checked and pilot will not stay lit, replacement of the pilot may be necessary. OVEN PILOT REPLACEMENT TOOLS REQUIRED: 1 ⁄ 4 " socket, socket driver, 1 ⁄ 2 " and 7 ⁄ 16 " open end wrenches. 1. Disconnect unit from main gas supply and allow unit to cool. 2. Remove oven b ...
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Vulcan-Hart EG160 - page 28
– 29 – STANDARD OVEN PILOT SAFETY VALVE CHECK NOTE: A quick check of the following conditions and symptoms will assist in verifying that the pilot safety valve is properly functioning. TOOLS REQUIRED: Flow meter, millivolt tester. If the unit pilot is “ ON ” but the unit is not heating, check the gas flow from the thermostat to the safety v ...
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Vulcan-Hart EG160 - page 29
– 30 – ST ANDARD OVEN PILOT SAFETY V AL VE CHECK, REPLACEMENT (Cont.) Fig. 37 5. If the millivolt reading is below 5 MV, replace the thermocouple. 6. If the MV reading is within tolerance, the safety valve should be replaced. SAFETY VALVE REPLACEMENT PROCEDURES TOOLS REQUIRED: 7 ⁄ 16 " open end wrench, 11 ⁄ 16 " open wrench, and 3 ...
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Vulcan-Hart EG160 - page 30
– 31 – 3. Disconnect right- and left-hand pilot gas tubing from the safety valve (Fig. 39). Fig. 39 4. Disconnect right- and left-hand burner gas tubing from the safety valve (Fig. 40). ST ANDARD OVEN PILOT SAFETY V AL VE CHECK, REPLACEMENT (Cont.) 5. Remove safety valve from unit. 6. Install new valve by reversing Steps 1 through 4. Fig. 40 ...
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Vulcan-Hart EG160 - page 31
– 32 – THERMOCOUPLE CHECK 1. Fold lower kick panel down. 2. Perform pilot lighting procedures (see Page 13). 3. If unit will not stay lit, using a volt meter, check the millivolt reading from the valve thermocouple connection while holding pilot button in the “ ON ” position (see Fig. 37). 4. If millivolt reading is below 5 MV, replace ther ...
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Vulcan-Hart EG160 - page 32
– 33 – OVEN BURNER NOZZLE AND ORIFICE CHECK If burner operation seems poor and all other systems have been verified, remove burner nozzle and orifice to check for blockage or damage. Blockages can often be cleaned using water pressure and a mild soap solution or by running a correct size drill tap through the nozzle opening. OVEN BURNER NOZZLE ...
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Vulcan-Hart EG160 - page 33
– 34 – OVEN BURNER CHECK If the oven burner is not properly firing and all other systems have been checked, the oven burner may need to be cleaned or replaced. OVEN BURNER REPLACEMENT TOOLS REQUIRED: 1 ⁄ 4 " socket and socket driver. 1. Disconnect unit from main gas supply and allow unit to cool. 2. Remove burner strap-down tie if applic ...
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Vulcan-Hart EG160 - page 34
– 35 – TOP SECTION PILOT CHECK If all other systems have been checked and pilot will not stay lit, cleaning or replacement of pilot may be necessary. TOP SECTION PILOT REPLACEMENT TOOLS REQUIRED: 7 ⁄ 16 " open end wrench. 1. Disconnect unit from main gas supply and allow unit to cool. 2. Remove defective pilot from pilot tube. 3. Check p ...
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Vulcan-Hart EG160 - page 35
– 36 – TOP SECTION BURNER VAL VE AND NOZZLE CHECK, REPLACEMENT TOP SECTION BURNER VALVE CHECK After a long period of use on the range, the top section burner valve can show signs of wear. Check valve for gas leakage and sloppy valve control. Check also for valve nozzle blockage or damage. TOP SECTION BURNER VALVE AND NOZZLE REPLACEMENT TOOLS RE ...
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