Vulcan-HartメーカーGHF91G ML-135503の使用説明書/サービス説明書
ページ先へ移動 of 16
– 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.
– 2 – © VULCAN-HART, 2004 TABLE OF CONTENTS GENERAL .............................................................................................................................................................. 3 Introduction ....................
– 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.
– 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.
– 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.
– 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.
– 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).
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 16 – FORM 35618 (11-04) PRINTED IN U.S.A. NOTES.
デバイスVulcan-Hart GHF91G ML-135503の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Vulcan-Hart GHF91G ML-135503をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはVulcan-Hart GHF91G ML-135503の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Vulcan-Hart GHF91G ML-135503の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Vulcan-Hart GHF91G ML-135503で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Vulcan-Hart GHF91G ML-135503を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はVulcan-Hart GHF91G ML-135503の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Vulcan-Hart GHF91G ML-135503に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちVulcan-Hart GHF91G ML-135503デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。