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Vulcan-Hart VG30 ML-126847 - page 1
A product of VULCAN-HART LOUISVILLE, KY 40201-0696 F25121(Februar y 2003) - NOTICE - This Manual is prepared for the use o f trained Vu lcan Serv ice Te ch ni ci ans and should not be us ed by those not properly qua li fied. If you have attende d a Vulcan Se rvice School for this product, yo u m ay be qualified to pe rform all the proc edures descr ...
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Vulcan-Hart VG30 ML-126847 - page 2
GAS BRAISING PANS F25121 (Februar y 2003) Page 2 of 32 TABLE OF CONTENTS G E N E R A L ................................................................................ 3 Installation, Operation and Cleaning ......................................................... 3 Introduction ...................................................................... ...
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Vulcan-Hart VG30 ML-126847 - page 3
GAS BRAISING PANS F25121 (February 2003) Page 3 of 32 GENERAL INSTA LLA TION, OPERA TION A ND CLEA NI NG Refer to the Ins tallation & Operation Manual f or specif ic inst ructions . INTRODUCTIO N The tilting br aising pan (sk illet) is a versatile piece of cook ing equipment. It c an be used to stew, sim m er, steam , sear, pan f ry, grill or s ...
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Vulcan-Hart VG30 ML-126847 - page 4
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 4 of 32 REMOVAL AND REPLACEMENT OF PARTS COVERS A ND PA NELS WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO T HE MACHINE AND FOLLOW LOCKOUT / TAGO UT PRO CEDURES. Front, Rear & Si de Panels 1. Lift up on the bottom edge of panel until it clears the catch. 2. T il ...
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Vulcan-Hart VG30 ML-126847 - page 5
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (February 2003) Page 5 of 32 8. Pull tem perature dial f rom potentiom eter shaf t and rem ove m ounting nut. 9. Control panel is rem oved. 10. T o install. A. Align tab on potentiom eter with positioning brack et on panel. B. Install m ounting nut and tighten. C. Adjust s top nut on poten ...
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Vulcan-Hart VG30 ML-126847 - page 6
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 6 of 32 LEFT SIDE VIEW SHOWN 4. Pull temperature dial from potentiometer shaft and remove m ounting nut. 5. To install: A. Align tab on potent iometer with positioning bracket on panel. B. Install mounting nut and t ighten. C. Adjust stop nut on potent iometer body (a ...
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Vulcan-Hart VG30 ML-126847 - page 7
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (February 2003) Page 7 of 32 TOP VIEW SHOWN SIDE VIEW SHOWN NOTE : When installing, replace the o-ring seal (provided) inside the brass fitting and re-use conduit elbow assembly. 6. To install: A. Position the swit ch with the head pointing toward installer and gear cam pointing up. NOTE : ...
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Vulcan-Hart VG30 ML-126847 - page 8
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 8 of 32 G. Verify roller arm position on switch. 1) Measure the dist ance from the rear of the switch body to the center of t he roller. The distance should be 3". H. If dist ance is ok, proceed to step 7. I. If distance is not ok, adjust t he roller arm position ...
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Vulcan-Hart VG30 ML-126847 - page 9
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (February 2003) Page 9 of 32 VG30 REAR VIEW SHOWN 6. Reverse pr ocedure to ins tall and check for proper operation. NOTE: W hen installing: Route therm ocouple wire in the sam e m anner thru the m etal clam ps on the hinge & fram e. T ighten therm ocouple ju st until it touches the pan ...
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Vulcan-Hart VG30 ML-126847 - page 10
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 10 of 32 7. T o install: A. W ith drive k ey on shaft, install m otor to gear reducer . B. Route and sec ure the m otors' power cable and re-connec t motor lead wires. C. Replace power supply box cover and side panels. 8. Check for proper operation. GEA R REDUCER ...
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Vulcan-Hart VG30 ML-126847 - page 11
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (February 2003) Page 11 of 32 NOTE: On the bottom lift arm bus hing, the bushing head mus t be positioned between the lift arm and the crank assem bly to create approxim ately 1/32" spacing. 9. Reverse pr ocedure f rom step 5 to com plete the installation. 10. Check f or proper operat ...
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Vulcan-Hart VG30 ML-126847 - page 12
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 12 of 32 10. Check for proper operation. PILOT BURNER WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO T HE MACHINE AND FOLLOW LOCKOUT / TAGO UT PRO CEDURES. WA RNING: SHUT O FF T HE GAS SUPPLY BEFORE SERVICING T HE UNIT . WA RNING: ALL GAS JOINT S DIST URBED DURING SE ...
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Vulcan-Hart VG30 ML-126847 - page 13
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (February 2003) Page 13 of 32 RIGHT SIDE REAR VIEW SHOWN NOTE: Runner tube slides ont o the gas orifice. W hen installing, ensure runner tube is fully seat ed onto gas orifice. 4. To rem ove gas orifice for inspection or cleaning, disconnect the gas supply tube compression fitting at the m ...
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Vulcan-Hart VG30 ML-126847 - page 14
GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS F25121 (Februar y 2003) Page 14 of 32 A. Slowly release downwards force to r em ove spring tension. B. Rotate lid spr ing lock nut to the next hole position then replace loc king pin. Continue until all spring tension is rem oved, one position at a tim e. C. Rem ove bolts secur ing the inside lid ...
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Vulcan-Hart VG30 ML-126847 - page 15
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (February 2003) Page 15 of 32 SERVICE PROCEDURES AND ADJUSTMENTS WA RNING: CERTAIN PROC EDURES IN THIS SECT ION REQ UIRE ELECTRICAL T EST OR MEASUREMENT S W HILE POW ER IS APPLIED T O T HE MACHINE. EXERCISE EXT REME CAUT ION AT ALL TIMES. IF TEST POINTS ARE NO T EASILY ACCESSIBLE, DISC ...
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Vulcan-Hart VG30 ML-126847 - page 16
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (Februar y 2003) Page 16 of 32 12. Repeat the average tem peratur e calculation f or up to three attem pts. Allow the pan to cycle at least two times between adjustm ents bef ore perfor m ing the calculation. 13. If calibration is uns ucces sful, the c ontroller m ay be malf unctioning ...
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Vulcan-Hart VG30 ML-126847 - page 17
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (February 2003) Page 17 of 32 SPA RK IGNITION TEST If the ignition contr ol m odule is not generating a spark or the spar k is not suff icient to light pilot burner, perf orm the following test. 1. Lower the pan to the full down position, tur n the on/off switch on and set the tem pera ...
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Vulcan-Hart VG30 ML-126847 - page 18
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (Februar y 2003) Page 18 of 32 11. T urn on/off switch on and set the tem peratur e dial to call for heat. 12. Manually operate pan position/down limit s witch and observe spar k f rom ignitor. A. If spark fr om ignitor is pres ent and lights the gas for pilot burner, and pilot burner ...
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Vulcan-Hart VG30 ML-126847 - page 19
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (February 2003) Page 19 of 32 10. Manually operate pan position/down limit s witch and observe pilot burner flam e. A. T o increas e pilot flam e, turn the sc rew countercloc kwise . To decr ease pilot flam e, turn the scr ew clockwise . 11. Onc e the pilot flam e has been adjusted cor ...
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Vulcan-Hart VG30 ML-126847 - page 20
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (Februar y 2003) Page 20 of 32 2. Ignition control module is energized and trial for ignition starts (90 seconds). A. Verify 24VAC bet ween terminals 5 & 6. 1) If voltage is not present, see schematic diagram. 3. Pilot valv e (PV) contacts close to energiz e the pilot valve coil, a ...
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Vulcan-Hart VG30 ML-126847 - page 21
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (February 2003) Page 21 of 32 FRONT VIEW OF BURNER A IR SHUTTER SHOWN NOTE: Accur ate gas press ure adjustm ents can only be made with the gas on and the m ain burner s lit. 9. Set press ure as lis ted in gas press ure table. 10. Onc e the correct pr essure has been set, turn the on/of ...
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Vulcan-Hart VG30 ML-126847 - page 22
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (Februar y 2003) Page 22 of 32 SIDE VIEW SHOWN DC MO TOR CONTROLLER TEST 1. Lower the pan to the full down position. 2. Raise the lid to the f ull open position. 3. Acc ess the DC m otor c ontroller as outlined under POW ER SUPPLY BOX COMPO NENTS in REMOVAL AND REPLACEMENT OF PARTS. 4. ...
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Vulcan-Hart VG30 ML-126847 - page 23
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (February 2003) Page 23 of 32 LEFT SIDE VIEW SHOWN LEFT SIDE VIEW SHOWN RIGHT SID E REAR VIEW SHOWN 1) If main burners do not light, verify 24VAC input to the swit ch, and that the voltage is output from the swit ch. 2) If voltage is present on the output side of the switch, t he switc ...
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Vulcan-Hart VG30 ML-126847 - page 24
GAS BRAISING PANS - SERVICE PRO CEDURES AND ADJUST MENTS F25121 (Februar y 2003) Page 24 of 32 3. T o adjust: A. Place a 1 5/8" wrenc h on the lid spring lock nut and apply a downward force until lock ing pin can be rem oved. Continue to hold lock nut in place. CA UTION: Do n ot release w rench w hile locking pin is removed or dama ge to the b ...
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Vulcan-Hart VG30 ML-126847 - page 25
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (February 2003) Page 25 of 32 ELECTRICAL OPERATION COMP ONENT FUNCTION BRA ISING PA N CONT ROLS Temperat ure Controller .... M o n i t o r s t h e r m o c ouple input (type E) and regulates braising pan tem perature. An external set point potentiom eter is used f or tem perature adjus tm ents. Transf ...
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Vulcan-Hart VG30 ML-126847 - page 26
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (Februar y 2003) Page 26 of 32 COMP ONENT LOCA TION ...
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Vulcan-Hart VG30 ML-126847 - page 27
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (February 2003) Page 27 of 32 IGNI TION CONTROL M ODULE The ignition c ontrol m odule is energized when 24 volts is applied between term inals 5 & 6. The m odule outputs 24 volts from ter minals 2 & 3 to t he pilot valve coil (PV) on the gas com bination valve, allowing gas flow to the pilot ...
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Vulcan-Hart VG30 ML-126847 - page 28
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (Februar y 2003) Page 28 of 32 SEQUENCE OF OPERA TION Refer to s chem atic diagram AI1341 f or the electric al sequence of operation. Manual pan lift is the standard conf iguration. Heating 1. Conditions. A. 120VAC to brais ing pan, polarity is correct, and is properly grounded. 1) T em perature c on ...
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Vulcan-Hart VG30 ML-126847 - page 29
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (February 2003) Page 29 of 32 5. Pan reac hes full tilt pos ition, the up lim it switch N.C. contacts open and K1 r elay coil is de- energized. A. T he three sets of K1 contacts return to N.O. position. Power is r em oved from the DC motor controller, the DC lif t m otor and pan travel stops. 6. Oper ...
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Vulcan-Hart VG30 ML-126847 - page 30
GAS BRAISING PANS - ELECTRICAL OPERAT ION F25121 (Februar y 2003) Page 30 of 32 SCHEMATIC DIA GRA M ...
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Vulcan-Hart VG30 ML-126847 - page 31
GAS BRAISING PANS - TROUBL ESHOOTIN G F25121 (February 2003) Page 31 of 32 TROUBLESHOOTING GA S HEA TI NG (MANUA L LIFT OR M OTORI ZED LIFT OPTION) SYMPTOMS POSSIBLE CA USES No spark to ignite pilot burner gas , power on light is lit. 1. Pan not fully lowered or pan position/down limit swit ch malfunction. 2. Tem perature dial not set t o call for ...
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Vulcan-Hart VG30 ML-126847 - page 32
GAS BRAISING PANS - CO NDENSED SPARE PARTS LIST F25121 (Februar y 2003) Printed in U.S.A. MO TORIZED LIFT OPTI ON ONLY SYM PTO M POSSIBLE CAUSES Pan will not raise. 1. Lid switch open ( lid not opened) or m alfunc tion. 2. T ransf orm er inoperative. 3. On/of f s witch off or m alfunction. 4. Lift control switch m alf unction (m om entary on - rais ...
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