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Manual Vulcan-Hart ML-135503

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  • Vulcan-Hart ML-135503 - page 1

    – 1 – SERVICE MANUAL GHF SERIES HEAVY DUTY RANGE MATCHING GAS FRYERS & FRYMATES MODELS GHF91G M L-135503 GHF90G M L-135504 - 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 qual ...

  • Vulcan-Hart ML-135503 - page 2

    – 2 – © VULCAN-HART, 2004 TABLE OF CONTENTS GENERAL .............................................................................................................................................................. 3 Introduction ....................................................................................................................... ...

  • Vulcan-Hart ML-135503 - page 3

    – 3 – INTRODUCTION Models This service manual was written for: GHF91G Gas Fryers and GHF90G Gas Frymates. INSTALLATION Generally, installations are made by the dealer or contracted by the dealer or owner. Detailed installation instructions are included in the Installation and Operation Manual, which is sent with each fryer. OIL FILTERING Filter ...

  • Vulcan-Hart ML-135503 - page 4

    – 4 – COVERS AND PANELS WARNING: SHUT OFF THE GAS BEFORE SERVICING. Door 1. Open door and using a 5 / 16 " wrench or ratchet, remove (2) screws securing the top door mounting bracket to the left body side channel. 2. Hold door in one hand and lift the door panel assembly off of the bottom hinge. 3. Reverse this procedure to reinstall the d ...

  • Vulcan-Hart ML-135503 - page 5

    – 5 – THERMOSTAT WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Drain shortening from fry tank. 2. Remove left burner as outlined under Burners. 3. Remove thermostat knob by pulling knob off thermostat shaft. 4. Remove thermostat mounting screws and remove thermostat from mounting bracket. 5. Remove wire leads from the rear of the thermostat, n ...

  • Vulcan-Hart ML-135503 - page 6

    – 6 – 7. Pull the high limit bulb through the underside of the fry tank and remove the high limit assembly. 8. Reverse the procedure to install. When installing the new high limit assembly, do not kink the high limit capillary. Wrap threads of packing nut with Teflon tape to prevent leakage. THERMOPILE WARNING: SHUT OFF THE GAS BEFORE SERVICING ...

  • Vulcan-Hart ML-135503 - page 7

    – 7 – 6. Remove thermopile from pilot bracket. 7. Reverse procedure to install. PILOT ORIFICE WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove pilot assembly from fryer as outlined under ther ...

  • Vulcan-Hart ML-135503 - page 8

    – 8 – FRY TANK WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Disconnect fryer from main gas supply. 2. Drain oil from tank. 3. Remove baskets, fryer basket hanger and crumb screen. 4. Remove scre ...

  • Vulcan-Hart ML-135503 - page 9

    – 9 – SERVICE PROCEDURES AND ADJUSTMENTS MILLIVOLT CONTROLS TEST 1. Verify proper gas (natural or propane) is present. 2 . Check for correct wiring and secure connections. 3. Verify the pilot flame is adjusted properly as outlined in Pilot Adjustment. 4. If the pilot is not lit, light pilot as outlined under Lighting Pilot. Allow the pilot to b ...

  • Vulcan-Hart ML-135503 - page 10

    – 10 – 5. Allow temperature to stabilize at new setting and compare temperature tester to dial setting. Recalibrate if the temperature does not fall within the range of 330°F to 370°F. 6. If the temperature does not fall within the limits at both settings, replace the thermostat. PILOT ADJUSTMENT 1. Light pilot as outlined under Lighting Pilo ...

  • Vulcan-Hart ML-135503 - page 11

    – 11 – 3. Turn on the gas and light the pilot as outlined under Lighting Pilot in General. 4. Turn the combination valve to ON. 5. Set the thermostat so the burners will come on. 6. Read the pressure gauge. The manifold pressure reading should match the pressure rating on the data plate. A . To adjust, remove the cap covering the manifold press ...

  • Vulcan-Hart ML-135503 - page 12

    – 12 – 3. Total Shutdown. A . When the high limit trips, 0.0 millivolts will read across both coils of the combination valve, causing both valves to close. B . Pilot relight cannot be accomplished until oil cools sufficiently to allow high limit to close. C . If any wire in the system is cut or broken, the system will shut down. SYSTEM CONDITIO ...

  • Vulcan-Hart ML-135503 - page 13

    – 13 – SCHEMATIC COMPONENT FUNCTION Thermostat - Millivolt type with capillary bulb, single-throw break on temperature rise. Temperature range of 200°F to 400°F. Thermopile - Millivolt control with 24" capillary. Rated to generate 500 millivolts. Combination Valve - Regulates gas flow to burner and pilot. Provides pilot safety. Hi-Limit ...

  • Vulcan-Hart ML-135503 - page 14

    – 14 – TROUBLESHOOTING SYMPTOM 1 . The temperature of the shortening drops, or excessive recovery time is required. POSSIBLE CAUSE A . Insufficient gas supply to unit. B . Ventilating system pulling heat out of heat exchanger and flue box. C . Overloading fryer capacity. A . Malfunctioning thermopile or loose/dirty connection in thermopile. B . ...

  • Vulcan-Hart ML-135503 - page 15

    – 15 – SYMPTOM 4. Leaking tank. TROUBLESHOOTING POSSIBLE CAUSE A. Foam-over by depleted shortening permits oil to drip from the tank surface, giving the appearance of leaking. B . Careless draining procedures. Gas valve should be in the PILOT or OFF position before draining oil. Burners heating an empty tank will damage tank joints. C . Carbon ...

  • Vulcan-Hart ML-135503 - page 16

    – 16 – FORM 35618 (11-04) PRINTED IN U.S.A. NOTES ...

Manufacturer Vulcan-Hart Category Fryer

Documents that we receive from a manufacturer of a Vulcan-Hart ML-135503 can be divided into several groups. They are, among others:
- Vulcan-Hart technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Vulcan-Hart ML-135503.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Vulcan-Hart ML-135503, service manual, brief instructions and user manuals Vulcan-Hart ML-135503. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Vulcan-Hart ML-135503.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Vulcan-Hart ML-135503 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Vulcan-Hart ML-135503.

A complete Vulcan-Hart manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Vulcan-Hart ML-135503, that we can find in the current document
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5. FAQ - Frequently Asked Questions
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