Vulcan-Hart GRC 35 Manuel d'utilisateur

GRS, GRD, AND GRC 25, 35, 45, 65 AND 85 MODEL FRYERS MODEL GRD35 VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL. (502) 778-2791

3. Push power switch ON and immediately touch one end of the jumper firmly to the GND terminal on the module. Do not touch the jumper to the SPARK t

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SERVICE MODE Enter the service mode by pressing the product 3 and product 4 keys while turning "on" power to the fryer computer. Display sho

SECTION II REMOVAL OF CONTROL PANEL AND REPLACEMENT OF CONTROLS WARNING UNPLUG FRYER BEFORE SERVICING. WARNING SHUT OFF GAS BEFORE SERVICING. WARNIN

4. Reinstall panel by reversing steps 1-3. CONTROL PANEL (ELECTRONIC IGNITION) 1. Follow steps 1 through 3 under Standard Millivolt Construction. (Fi

CONTROL PANEL (COMPUTERIZED). 1. Follow steps 1 through 2 under Solid State Construction and disconnect the computer power wiring harness. (Figs. 5)

REMOVAL OF CONTROL PANEL HOUSING 1. Follow steps 1-2 under Control Panel (Electronic ignition). 2. With a 5/16" socket remove (4) screws holding

REMOVAL OF KX THERMOSTAT 1. Drain fry compound from the tank. 2. Follow steps 1-3 under Removal of Control Panel (Standard Millivolts) (Figs. 9) 3. Re

5. From inside the fryer cabinet, follow the thermostat lead wire to the bulb packing nuts in the bottom of the tank. With a 5/16" wrench remove

REMOVAL OF POTENTIOMETER 1. Follow steps 1-2 under Control Panel (Solid State Construction) 2. With a small flat blade screwdriver loosen the set scre

REMOVAL OF THERMISTOR PROBE 1. Follow steps 1-5 under Removal of Potentiometer. 2. If necessary remove burners that may be in the way of the thermisto

IMPORTANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO SERVICE AND ADJUST THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A

5 Pull the thermistor probe lead from the fryer tank and install new Thermistor probe by reversing steps 1-6 (See Fig 12) REMOVAL OF COMPUTER 1 Follo

REMOVAL OF ROCKER SWITCHES 1. Follow steps 1-2 under Control Panel (Solid State). 2. From rear of control panel note and remove wire leads from the ro

REMOVAL OF HIGH LIMIT 1. Drain shortening from the fryer 2. Open fryer door and disengage hi limit wire harness located below the control housing t

4. Remove (2) #8 sheet metal screws from the bracket holding the limit in place. (Fig.23) Fig. 23 5. From inside the fryer tank, with a 1/4" soc

6. If necessary for ease of accessibility follow steps 1-8 under Removal of Burner and take out any burner in the way of the limit bulb packing and re

9. Pull the limit bulb out from underneath the fryer tank. (See Fig. 86) 10. Reinstall new high limit by reversing steps 1-9. REMOVAL OF THERMOPILE (S

4. Refer to steps 1-8 under removal of burner and remove burners as required to access the thermopile bracket and its hardware. 5. Slide the control h

With an offset flat blade screwdriver remove the pilot assembly from the mounting bracket. (Fig. 31} Fig. 31 8. With a 1/2" wrench remove the t

REMOVAL OF PILOT 1. Follow instructions for the Removal of Thermopile. 2. With a 1/2" wrench remove the hex nut on the bottom of the pilot and di

Figs. 34 3. Refer to steps 1-8 under Removal of Burners and disassemble burners as required to access the ignitor assembly for servicing. 4 Slide the

TABLE OF CONTENTS Important Safety Information Codes and Standards Information Manual Uses Information Rating Plate Information Service Warnings Tool

REMOVAL OF GAS COMBO VALVE 1. Shut off all gas and electrical power to the unit. 2. Open fryer door and locate valve. (Fig. 36) Fig. 36 3. Follow ste

The next several steps may require the removal of the Discard drain tubes on fryers with filtering systems. If this applies to the fryer being service

8. Note and remove any old fittings left on the valve. Keep them for reassembly to the new valve. 9. Install the old fittings removed in step 8 to the

5, With a 1/2" socket loosen (2) bolts that attach the burner to the mounting frame. (Fig. 41) Fig. 41 6. Slide the heat shield back up to i

BULLET NOSE BURNER ORIFICE REPLACEMENT 1. Follow steps 1-8 under Replacement of Burner. 2. Disconnect the burner orifice top from bullet with a 5/16&q

4 Separate the discard tube by sliding the rubber collar down one side of the drain tube. (Fig. 45) Fig. 45 5. Move the discard pan under the ball va

REMOVAL OF POWER SUPPLY BOX (ELECTRONIC IGNITION AND BASKET LIFT MODELS) 1. Disconnect gas line and pull out so that the back is accessible. 2. Discon

5. Drop the supply box housing out of the bottom of the fryer. 6. To access the controls with a 5/16" socket remove (2) screws from the power sup

5. With a 1/4" socket remove (4) #8 sheet metal screws and pull module from the housing. (Fig. 51) Fig. 51 6. Reinstall new module by reversing

4. With 1/4" socket remove (2) screws securing the transformer to the control box. (Fig. 53) Fig. 53 5. Install new transformer by reversing ste

SECTION I GRS,GRD AND RC SERVICE CHECKS & ADJUSTMENTS WARNING: UNPLUG FRYER BEFORE SERVICING. WARNING: SHUT OFF GAS BEFORE SERVICING. WAR

4. From inside the box disconnect wiring associated with the supply cord. 5. Install the new power supply cord by reversing steps 1-4. REMOVAL OF BASK

5. Lift back up and over the lift mechanism. (Fig. 57) Fig. 57 Disconnect the gas line and remove the lower basket lift back by disengaging (2) screw

7. To reinstall basket back panels reverse steps 1-6. REMOVAL OF LIFT ROD MECHANISM 1. Follow steps 1-6 under Removal of Basket Lift Backs 2. With a 1

4. With 5/16" socket remove (2) nut holding the cam lift bracket to the fryer back. (Fig. 61) Fig. 61 5. Remove motor wiring. (Fig. 62) 43

6. With flat blade screwdriver remove (2) screws holding the motor to the cam bracket assembly. (Fig. 63) Fig. 63 7. Remove the motor from the cooker

REMOVAL OF BASKET LIFT CAM (OPTIONAL ACCESSORY) 1. Follow steps 1-6 under Removal of Basket Lift Back. 2. With a 1/2" wrench or socket remove the

REMOVAL OF TANK ASSEMBLY If the fryer is equipped with automatic basket lifts the lift arm(s) must be removed from the fryer back before the tank can

If a fryer battery is involved, with a utility knife split the silicon sealant from around the grease strip between the tanks and remove the stainless

5. Follow steps 1-4 under Removal of Control Housing 6. Follow steps 1-7 under Removal of Discard Tube(s). 7. For D and C models with a 7/16" soc

9. With a 13/16" wrench disconnect the compression elbow from the gas inlet tube. (Fig. 73) Fig. 73 10. With 5/16" remove (4) screws holdin

COMBINATION VALVE GAS PRESSURE CHECK 1. Check pressure rating of appliance as stated on the fryer door. 2. Connect a manometer to the pressure tap

13. Disconnect micro switch. (Fig. 75) Fig. 75 14. With a 13/16" wrench disconnect the oil refill coupling. (Fig. 76) Fig. 76 50

15. Grasp tank from the back at the top of the flue wrap area and lift the entire tank assembly out of the fryer body. Note that on D and C models the

17. Remove the burner insulation box. (Fig. 79) Fig. 79 18. With flat blade screwdriver remove the pilot bracket. (Fig. 80) Fig. 80 52

19. If servicing a D or C model with a 5/16" wrench remove the hi limit packing nut. For S models use a 1/2" wrench. (Fig. 81) Fig. 81 20.

21. With an 1/2" wrench remove the thermistor or thermo bulb packing nut. (Fig. 83) Fig. 83 22. With an 11/16" wrench remove the compressio

23. With a 1/4" socket from inside the fryer tank remove the hardware and mounting clips holding the hi limit and thermistor/thermostat bulb to t

25 With a 1/2" wrench remove (4) bolts securing the manifold bracket to the tank assembly (Fig 87) Fig. 87 26 For fryers housing a filter statio

27. Remove the pull rod handle. (Fig. 89) Fig. 89 28. With a 7/16" socket remove all the pull rod hardware from the micro switch assembly. (Fig.

29 Pull the rod up through the mounting bracket and out of the fryer (Fig 91) Fig. 91 30 Pull the manifold assembly from the fryer (Fig 92) Fig. 92

31 With an adjustable wrench remove the elbow from the tank assembly. (Fig 93) Fig. 93 32 With a 3/8" socket remove (2) nuts holding the oil ret

HI LIMIT CHECK 1. Place pyrometer in the tank 1/2" above the crumb screen in the center of the vat. 2. Turn fryer on. 3. Bypass the hi limi

33 With a pipe wrench remove the remove the drain valve and drain pipe assembly from the tank (Fig 95) Fig. 95 34 With a 3/8" socket remove (4)

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FILTER INTER PLUMB DISCARD TUBE (Option) 1. Close the drain valve. 2. Place shortening discard pan under the tube plug end that will be serviced. 3.

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SECTION I GRS SERIES (ONLY) SERVICE CHECKS WARNING: UNPLUG FRYER BEFORE SERVICING. WARNING: SHUT OFF GAS BEFORE SERVICING. WARNING:

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SECTION I GRD AND GRC SERIES (ONLY) SERVICE CHECKS If erratic ignitor operation is experienced check for the following: 1. If you are experiencing

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