Vulcan GPC12 User Manual

VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201- 0696, TIL. (502) 778-2791 FORM 30911 (12-94)MODEL GPC12SSHOWNSERVICE MANUAL FORGPC12 & GP

10LIFT ARMADJUSTMENT BOLT4. Remove temperature dial knob and insert flat head screw driver into the thermostat shaft rotating thethermostat adjustment

11CONTROL PANEL COOKER1. With a 1⁄4" socket, remove (2) screws from the upper right and left hand corners of thecontrol panel. (Fig. 4)Fig. 42. W

123. Remove the cooker door panel. (Fig. 6)Fig. 64. Fold control panel down. (Fig. 7)Figs. 7

135. Disconnect the main and basket lift (if applicable) wire harness and carefully remove the panel from the fryer.(Figs. 8)Fig. 8REMOVAL OF RINSE ST

142. Open the door and with a 1⁄4" socket, remove (2) screws from the right and left corners of the under flangeof the panel. (Fig. 10)Fig. 103.

154. With a 1⁄8" size allen wrench, loosen the hot and cold water control knob set screws. (Fig. 12)Fig. 125. Pull knobs from the appliance. (Fig

166. Note that this step is only required if the water valves need to be replaced. If fittingsare good go on to step 7.With a flat blade screwdriver a

178. Reinstall rinse station panel by reversing steps 1-7.REMOVAL OF INDICATOR LIGHT1. Follow steps 1-5 under Control Panel Removal.2. From the rear o

184. Reinstall new switch by reversing steps 1-3.REMOVAL OF BASKET LIFT TIMER1. Remove the timer knob using a 1⁄32" allen wrench. (Fig. 18)Fig.18

193. Follow steps 1- 5 under removal of control panel.4. Note and remove all wiring associated with the removal of the timer. (Fig. 20)Fig. 205. Insta

2IMPORTANT FOR YOUR SAFETYTHIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO SERVICE ANDADJUST THE EQUIPMENT COVERED BY THIS MANUAL.POST IN A PR

203. With 1⁄4" socket, remove (2) holding nuts and pull the relay off of the panel. (See Fig. 7)4. Install new relay by reversing steps 1-3.REMOV

216. From the control panel using a flat blade screwdriver, remove (2) screws securing the thermostat tothe panel. (Fig. 24)Fig. 247. Note and using a

22REMOVAL OF COOKER CONTROL BOX HOUSING1. Follow steps 1-5 under Removal of Control Panel.2. Disconnect limit and basket lift wire harnesses inside th

23REMOVAL OF HIGH LIMIT1. Drain water from the cooker.2. Open cooker door and disengage wire harness located below the control housing to the rightsid

246. With (2) hands grasp the burner body and push it upward over the bullet nose pilots. Then tilt the burner headback and pull the burner away from

258. With an 11⁄16" wrench, remove the limit holding nut. (Fig. 32)Fig. 329. Carefully pull the limit bulb and wiring from the unit.10. Note and

2611. With a 1⁄4" socket, remove (2) holding screws securing the limit body to the mounting bracket. (Fig. 34)Fig. 3412. Install new limit by rev

27 REMOVAL OF BULLET NOSE BURNER PILOT AND ORIFICE1. Follow steps 1-4 under Removal of Cooker Burners.2. With a 5⁄16" wrench, remove the pilot or

28Fig. 373. With a 7⁄16" wrench, loosen the pilot tube holding nut. (Fig. 38)REMOVAL OF PILOT IGNITOR1. Follow steps 1-4 under Removal of Burners

294. With an offset screwdriver, remove (2) screws from the ignitor/pilot holding bracket and pull theassembly from the cooker. (Fig. 39)Fig. 39Instal

3TABLE OF CONTENTSImportant Safety Information Page 2Codes and Standards Information Page 3Manual Use Information Page 3Data Plate Information Page 3S

302. With a 7⁄16" wrench, loosen the pilot tube holding nut. (Fig. 41)Fig. 413. With a 3⁄4" wrench, remove the gas line compression elbow fi

314. With channel locks loosen the burner gas line union attached to the combo valve pipe fittings. (Fig. 43)Fig. 435. Remove the combo valve from the

32REMOVAL OF DISCARD HOSE (COOKER AND DRAIN STATION)1. Drain station to be worked on.2. Open cabinet door.3. Follow steps 1-5 for the Removal of Contr

337. Pull hose from scrap box. (Fig. 46)Fig. 468. Install discard hose by reversing steps 1-7.REMOVAL OF SCRAP BOX (COOKER AND DRAIN STATION)1. Open c

343. Support box with one hand on the under side and remove box from the cooker. (Fig. 48)Note that you may need to lift the box up slightly to remove

353. With standard flat blade screwdriver, loosen the (2) rear drain coupling holding clamps and pull the couplingfrom the appliance. Retain the clamp

362. With a 5⁄16" socket, remove (4) screws holding the faucet hosing to the rinse station. (Fig. 51)Fig. 513. With a standard flat blade screwdr

374. With a philips head screwdriver, remove the hot and cold water faucet handle holding screws.(Fig. 53)Fig. 535. Remove the faucet handles and head

387. To change fitting washer with an adjustable wrench remove the faucet stem and nut assemblyfrom the cast iron body. (Fig. 55)Fig. 558. To tighten

39FRONTCHANNELBEHIND FRONTCHANNEL10. Reinstall faucet by reversing steps 1-10 as needed.REMOVAL OF SCRAP BOX HOUSINGNote that the scrap box has formed

4SECTION ISERVICE CHECKSWARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST ORMEASUREMENTS WHILE POWER IS APPLIED TO THE APPLIANCE. EX

405. Remove the housing from the appliance.6. Install new housing by reversing steps 1-5.REMOVAL OF DRAIN BALL VALVE1. Drain tank.2. Close drain ball

414. With a pipe wrench remove nipple. (Fig. 61)Fig. 615. With pipe wrench remove the ball valve. (Fig 61)6. Install new valve by reversing steps 1-5.

425. Lift back up and over the lift mechanism. (Fig. 63) Fig. 636. Disconnect the gas line and remove the lower basket lift back by disengaging (2) sc

43LIFT ROD ATTACHMENT NUT7. To reinstall basket back panels reverse steps 1-6.REMOVAL OF LIFT ROD MECHANISM1. Follow steps 1-6 under Removal of Basket

444. With 5⁄16" socket, remove (2) nuts holding the cam lift bracket to the cooker back. (Fig. 67)Fig. 675. Remove motor wiring. (Fig. 68)Fig. 68

45Fig. 697. Remove the motor from the cooker. To install new motor reverse steps 1-6.REMOVAL OF BASKET LIFT CAM SWITCH1. Follow steps 1-6 under Remova

463. Install new switch by reversing steps 1-3.REMOVAL OF BASKET LIFT CAM1. Follow steps 1-6 under Removal of Basket Lift Back.2. With a 1⁄2" wre

47REMOVAL OF PASTA COOKER POWER SUPPLY BOX (STAND ALONE)1. Follow steps 1-6 under Removal of Basket Lift Back if appliance is equipped with this optio

487. With a 5⁄16" socket and a wrench, disconnect the electric supply cord holding strap(s). (Fig. 75)Fig. 75Fig. 769. Pull the power supply box

49REMOVAL OF PASTA COOKER POWER SUPPLY BOX ( WITH RINSE STATION)1. Follow steps 1-8 under Removal of Pasta Cooker Supply Box ( stand alone)2. From the

5COMBINATION VALVE GAS PRESSURE CHECK1. Check pressure rating of appliance as stated on the cooker door.2. Turn on all appliance burners.3. Connect a

504. With a 5⁄16" socket, remove (4) screws holding the rinse station support back bracket. (Fig. 79)Fig. 795. Pull the cooker power supply box t

516. Reinstall box by reversing steps 1-5.ACCESS OF CONTROLS INSIDE THE POWER SUPPLY BOX1. Follow steps 1-8 (stand alone) or 1-5 (with rinse station)

524. With a 1⁄4" socket, remove (4) screws holding the module to the supply box. (Fig. 83)Fig. 835. Install new module by reversing steps 1-4.REM

534. With 1⁄4" socket, remove (2) screws securing the transformer to the supply box. (Fig. 85)Fig. 855. Install new transformer by reversing step

544. With small flat blade screwdriver, remove all wiring with in the box that attaches the supply cord to theterminal block and the ground lug. (Fig.

552. Drain cooker tank and scrap box. Disconnect appliance from the power supply line.3. Remove the basket lift arm if applicable to the appliance. (S

569. Carefully fold the thermostat wiring and body so that it will set between the burners. Wedge it securelyso that it will not fall out when the tan

5716. Note wiring and remove all controls from the old tank. Retain the controls and hardware forreassembly to the new tank. (Review section lll, Remo

586. Follow steps 1-6 and step 10 under Removal of Drain Station Faucet and Spray Hose.7. Remove the scrap box from the appliance. (See Fig. 48)8. Wit

59SECTION IVWIRING INFORMATIONDRAWING NO. REV420843-1 BBASKETLIFT CONTROL ASSEMBLYREFER TO D-418519 FORWIRING INFORMATION

6TRANSFORMER CHECK1. Follow steps 1-3 under Accessing of Controls Inside the Control Box.2. Follow Steps 1-4 under Removal of Transformer.3. With a vo

60 FORM 30911 (12-94)

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83. Push power switch ON and immediately touch one end of the jumper firmly to the GND terminal on themodule. Do not touch the jumper to the SPARK ter

9SECTION IIPASTA COOKER SERVICE ADJUSTMENTSADJUSTMENT OF GAS REGULATOR1. Follow steps 1-6 under Combination Gas Valve Regulator Check in Section I of