Instruction/ maintenance manual of the product UW50 ML-27838 Hobart
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701 S. RIDGE A VENUE TROY , OHIO 45374-0001 937 332-3000 www .hobartcorp.com FORM 18241 Rev . G (Aug. 2007) UW50 UTENSIL WASHER MODEL UW50 ML-27838.
– 2 – ©HOBART , 2007 T ABLE OF CONTENTS GENERAL ....................................................................................................................... ....................................... 3 INST ALLA TION .....................
– 3 – INST ALLA TION, OPERA TION AND CARE OF MODEL UW50 UTENSIL W ASHER SA VE THESE INSTRUCTIONS GENERAL The UW50 Utensil W asher is the answer to volume utensil washing problems in your kitchen, bakery or supermarket operation.
– 4 – UW50 with 10KW Electric T ank Heat with or without 14KW Electric Booster – Installation Diagram: D-812969 sheet 1.
– 5 – UW50 with Steam T ank Heat (Injector or Coil) with or without 14KW Electric Booster – Installation Diagram: D-812969 sheet 2.
– 6 – UW50 with Gas T ank Heat with or without 14KW Electric Booster – Installation Diagram: D-812969 sheet 3.
– 7 – PLUMBING CONNECTIONS Plumbing connections must comply with applicable sanitary , safety and plumbing codes. W ater Supply Connection W ater must be proper hardness. Recommended water hardness is 1 grain or less. Higher hardness may cause excessive formation of lime scale.
– 8 – VENTING REQUIRED WITH GAS HEA T (OPTIONAL WITH STEAM OR ELECTRIC HEA T) The Hobart UW50 Utensil W asher , equipped for gas tank heat, is not provided with a fl ue collar and is not intended to have the fl ue directly connected to a ventilation system.
– 9 – RA TE OF EXHAUST FLOW CALCULA TIONS (FIG. 2) Based on the International Mechanical Code (latest edition). Fig. 2 Canopy size and location The inside lower edge of canopy-type T ype I and II .
– 10 – DETERGENT FEEDER (OPTIONAL BY OTHERS) If installing a detergent feeder (by others), remove cap to expose 7 / 8 " diameter hole at rear of machine.
– 1 1 – Fig. 3 OPERA TION CONTROLS (FIG. 3) PL-56351 OFF START POWER CYCLE 2 4 6 SELECTOR SWITCH FILL NOTE: Opening the door during cycles will cause cycle to start over at the beginning. DRAIN LEVER (Fig. 4) Drain lever is located inside the wash chamber (middle front with door open).
– 12 – GENERAL OPERA TING INSTRUCTIONS Keep the utensil washer clean to provide best results. Do not allow foreign objects to enter the unit, especially metallic contaminants. Do not wash aluminum utensils in the utensil washer . The caustic detergent and high water temperature will cause aluminum oxide formation (black).
– 13 – DOS AND DON'TS FOR YOUR NEW HOBART UTENSIL W ASHER DO ensure proper water hardness (1 grain or less). T otal Dissolved Solids (TDS) must be 50 ppm or greater . Chlorides must not exceed 50 ppm. DO pre-scrap dishes thoroughly . DO use only detergents recommended by your chemical professional.
– 14 – MAINTENANCE Disconnect electrical power supply and follow lockout / tagout procedures. MOTOR The motor has permanently sealed bearings and requires no lubrication. W ASH AND RINSE ARMS All wash arms and rinse arms should turn freely and continue turning for a few seconds after being whirled by hand.
– 15 – TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE Utensils spotted or not clean Overloaded rack. Low water level. W ater conditions: — Incorrect rinse water temperature. Refer to W A TER SUPPL Y CONNECTION, page 7. — Excessive water hardness may indicate that a water softener is needed.
– 16 – FORM 18241 Rev G (Aug. 2007) PRINTED IN U.S.A. SERVICE In the event a gas ori fi ce fi tting shall be adjusted or replaced, have it serviced by quali fi ed personnel. Contact your Hobart service of fi ce for any repairs or adjustments needed on this equipment.
An important point after buying a device Hobart UW50 ML-27838 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hobart UW50 ML-27838 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hobart UW50 ML-27838 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hobart UW50 ML-27838 you will learn all the available features of the product, as well as information on its operation. The information that you get Hobart UW50 ML-27838 will certainly help you make a decision on the purchase.
If you already are a holder of Hobart UW50 ML-27838, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hobart UW50 ML-27838.
However, one of the most important roles played by the user manual is to help in solving problems with Hobart UW50 ML-27838. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hobart UW50 ML-27838 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
