Vulcan Hart G260C Service Manual

SERVICE MANUAL

ENDURANCE SERIES

GAS RANGES

MODELS

G36 G36C G60 G60C G260 G260C G481 G481C

- NOTICE -

This manual is prepared for the use of trained Vulcan Service Technicians and should not be used by those not properly qualified. If you have attended a Vulcan Service School for this product, you may be qualified to perform all the procedures described in this manual.

This manual is not intended to be all encompassing. If you have not attended a Vulcan Service School for this product, you should read, in its entirety, the repair procedure you wish to perform to determine if you have the necessary tools, instruments and skills required to perform the procedure. Procedures for which you do not have the necessary tools, instruments and skills should be performed by a trained Vulcan Service Technician.

Reproduction or other use of this Manual, without the express written consent of Vulcan, is prohibited.

For additional information on Vulcan-Hart or to locate an authorized parts and service provider in your area, visit our website at www.vulcanhart.com

VULCAN-HART DIVISION OF ITW FOOD EQUIPMENT GROUP, LLC

WWW.VULCANHART.COM

3600 NORTH POINT BLVD.

BALTIMORE, MD 21222

F35648 (May 2005)

ENDURANCE SERIES GAS RANGES

TABLE OF CONTENTS

GENERAL ............................................................................................................................................................... 3

Introduction ...................................................................................................................................................... 3

Installation........................................................................................................................................................ 3

Operation......................................................................................................................................................... 3

Cleaning .......................................................................................................................................................... 3

Lubrication ....................................................................................................................................................... 3

Specifications................................................................................................................................................... 3

Tools ................................................................................................................................................................ 3

REMOV AL AND REPLACEMENT OF P AR TS............................................................................................... .......... 4

Covers and Panels........................................................................................................................................... 4

Oven Manifold Cover (Models 60, 260, and 481)...................................................................................... 4

Oven Control Panel (Model 36) ............................................................................................................... 4

Broiler Manifold Cover .............................................................................................................................. 5

Kick Panel Assembly ................................................................................................................................ 5

St andard Oven Control V alve/Thermocouple ................................................................................................... 6

Model 36 Only .......................................................................................................................................... 6

Model 60, 260, and 481 ............................................................................................................................ 7

Oven Pilot Assembly ........................................................................................................................................ 8

Oven Burner Assembly .................................................................................................................................... 8

Convection Oven Control V alve/Thermocouple Pilot........................................................................................ 9

Oven Burner Nozzle and Orifice..................................................................................................................... 10

Pilot V alve and Quick Disconnect Valve ......................................................................................................... 10

Top Section Burner Valve............................................................................................................................... 11

Switch Replacement ...................................................................................................................................... 11

Motor Replacement.............................................................................................................. .......................... 11

Convection Oven Solenoid............................................................................................................................. 12

SERVICE PROCEDURES AND ADJUSTMENTS ................................................................................................. 13

Pilot Flame Height.......................................................................................................................................... 13

Top Burners ............................................................................................................................................ 13

Broiler/Griddle................................................................................................................

Air Shutter Adjustment ................................................................................................................................... 13

Oven Burner Adjustment................................................................................................................................ 13

Regulator Check ............................................................................................................................................ 14

Regulator Adjustment..................................................................................................................................... 14

Oven Burner Nozzle and Orifice Check.......................................................................................................... 15

Convection Oven Motor and Door Switch Check ........................................................................................... 15

Convection Oven Solenoid Check.................................................................................................................. 16

ELECTRICAL OPERA TION................................................................................................................................... 18

Component Function...................................................................................................................................... 18

Sequence of Operation .................................................................................................................................. 18

Schematic Diagram........................................................................................................................................ 19

Wiring Diagrams ............................................................................................................................................ 20

Double Oven 120 Volt Endurance Convection Range (Drawing 1 of 2) .................................................. 20

Double Oven 120 Volt Endurance Convection Range (Drawing 2 of 2) .................................................. 21

TROUBLESHOOTING .......................................................................................................................................... 22

CONDENSED SP ARE PARTS LIST...................................................................................................................... 23

©VULCAN 2005

......................... 13

F35425 (October 2005) Page 2 of 23

ENDURANCE SERIES GAS RANGES - GENERAL

GENERAL

INTRODUCTION

Procedures in this manual will apply to all models unless specified. Pictures and illustrations can be of any model unless the picture or illustration needs to be model specific.

INSTALLATION

Refer to the Installation and Operation Manual for detailed installation instructions on ranges.

OPERATION

Refer to the Installation and Operation Manual for specific operating instructions.

CLEANING

Refer to the Installation and Operation Manual for specific cleaning instructions.

LUBRICATION

The blower motor has sealed bearings and requires no additional lubrication.

TOOLS

Standard

• S tandard set of hand tools.

• VOM with A.C. current tester (Any quality VOM with a sensitivity of at lease 20,000 ohms per volt can be used).

• Gear puller to remove blower .

Special

• Temperature tester (thermocouple type).

• Manometer .

SPECIFICATIONS

Electrical (Convection ranges only)

• V oltage - 120/60/1 or 240/60/1 (optional)

• Amps - 15 Amps

• Frequency - 50/60 Hz

Gas Line Pressures

• Natural - Recommended (in. W .C.) 7.0, min 5.0

•

Propane - Recommended (in. W .C.) 11.0, min 11.0 Maximum 14.0 in. W .C. (Nat. or Prop.)

Orifice Size Requirements for Different Elevations for Restaurant Range

OPEN TOP GRIDDLE BRO/GRID OVEN OVEN

(STD) (CON)

INPUT A T SEA LEVEL PER BURNER (BTU’S)

ORIFICE SIZE NA T/PROP NA T/PROP NA T/PROP NA T/PROP NA T/PROP SEA LEVEL T O 36/51 (32000) 50/57 53/63 33/51 33/51

2499 FT

2499 FT TO 40/53 (32000) 51/57 54/65 37/52 37/52 4499 FT 37/52 (35000)

4500 FT TO 41/53 (32000) 51/58 54/65 38/52 38/52 6499 FT 38/52 (35000)

6500 FT TO 42/53 (32000) 52/59 55/66 40/53 40/53 8499 FT 40/53 (35000)

32000/35000 15,000 10,000 35,000 35,000

33/1.75MM

(35000)

8500 FT TO 42/54 (32000) 52/60 55/67 41/53 41/53 10,500 FT 41/53 (35000)

F35425 (October 2005)Page 3 of 23

ENDURANCE SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS

REMOVAL AND REPLACEMENT OF PARTS

COVERS AND P ANELS

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / T AGOUT PROCEDURES.

Oven Manifold Cover (Models 60, 260, and 481)

1. Rotate the yellow gas shut-off valve to the OFF position and allow range to cool.

3. Remove screws holding manifold cover in place and remove manifold cover.

Loosen the setscrew in the side of the burner control knobs and oven control knob and remove knobs.

4. Reverse the procedure to install the oven manifold cover .

Oven Control Panel (Model 36)

1. Rotate the yellow gas shut-off valve to the OFF position and allow range to cool.

2. Remove the red oven control valve knob from

3. Open the kick plate at the bottom of the range.

F35425 (October 2005) Page 4 of 23

the control valve.

ENDURANCE SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS

4. Remove the screw securing the oven control panel and remove the panel.

3. Remove screws holding manifold cover in place and remove broiler manifold cover .

4. Reverse the procedure to install the broiler manifold cover .

Reverse the procedure to install the oven control

panel.

Broiler Manifold Cover

1. Rotate the yellow gas shut-off valve to the OFF position and allow range to cool.

2. Loosen the setscrew in the side of the burner control knobs and remove knobs.

Kick Panel Assembly

1. Open kick panel.

2. Remove two screws securing left hinge and remove hinge.

3. Slide kick plate to the left to disengage from left hinge.

4. Reverse the procedure to install the kick plate assembly.

F35425 (October 2005)Page 5 of 23

ENDURANCE SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS

STANDARD OVEN CONTROL

VALVE/THERMOCOUPLE

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / T AGOUT PROCEDURES.

WARNING: SHUT OFF THE GAS BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH A SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

3. Remove the two screws attaching the bracket to the thermocouple.

Model 36

The oven control valve is located to the front left of the oven.

1. Remove the oven control panel as outlined under P ANELS AND COVERS.

2. Remove the three bracket screws attaching the thermocouple valve mounting bracket to the range.

4. Open the oven door .

5. Remove capillary tube from all routing clips.

NOTE: When straightening the capillary tube be sure not to place kinks in tubing.

F35425 (October 2005) Page 6 of 23

ENDURANCE SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS

6. Slide the capillary tube out of the bracket and straighten the tube so that it can be passed through the hole in the oven sidewall.

7. Carefully slide the capillary tube through the hole in the oven sidewall.

8. Disconnect the gas input to the control valve.

Model 60, 260, and 481

The control valves are located behind the oven manifold cover .

9. Disconnect the pilot tubing.

10. Disconnect the control valve burner tubing.

1 1. Remove the control valve assembly from the

oven.

12. Reverse the procedure to install a new control valve assembly .

NOTE: During installation do not kink the new capillary tube when feeding it through the hole in the side of the oven cavity . Excess tubing can be loosely wrapped.

1. Remove the oven manifold cover as outlined under COVERS AND PANELS.

2. Remove top burner grates and deflector , if necessary , to access the control valve.

3. Disconnect the pilot tubing from the control valve.

4. Remove two screws securing the control valve to the manifold.

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