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Hobart FT900DBD - page 1
701 S. RIDGE A VENUE TROY , OHIO 45374-0001 937 332-3000 www .hobartcorp.com FORM 44095 Rev . B (Jan. 2013) FT900 SERIES DISHW ASHERS MODELS ML-1 10668-U covers all of the following models: FT900 FT900BD FT900S FT900SBD FT900D FT900DBD FT900SD FT900SDBD FT950 FT950BD ...
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Hobart FT900DBD - page 2
– 2 – © HOBART 2013 T ABLE OF CONTENTS OPERA TION ................................................................. 3 Machine Preparation ...................................................... 3 T ank Filling .............................................................. 4 Dishwashing ........................................................... ...
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Hobart FT900DBD - page 3
– 3 – Pump Intake Screens must be put on holders at each pump intake (Fig. 1). Fig. 1 Strainer Pans must be in place on top of each tank (Fig. 2). Fig. 2 End Caps must be correctly installed at ends of all W ash Arms (Fig. 4). Fig. 4 W ash Arms must be properly installed and latched in place (Fig. 5). Fig. 5 The Final Rinse Arm (and Dual Rinse ...
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Hobart FT900DBD - page 4
– 4 – T ANK FILLING Assure proper water hardness. Recommended water hardness is 3 grains or less per gallon. Higher hardness may cause excessive formation of lime scale. Chlorides must not exceed 50 ppm. All water (and steam, if equipped) supply valves must be opened and the electric supply turned on before the machine will function. Close all ...
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Hobart FT900DBD - page 5
– 5 – DISHW ASHING Start the motors for the conveyor , pumps and blower-dryer (if equipped) by pressing the green ST AR T switch located at either the load or unload end of the machine (Fig. 10) or on the control box (Fig. 1 1). The machine will operate only if the tanks have lled to the proper level and all doors are closed. Press the red S ...
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Hobart FT900DBD - page 6
– 6 – EMPTY STRAINER BASKETS DURING OPERATION AS NECESSARY The Strainer Baskets must be emptied periodically during operation to prevent them from over lling, which would adversely affect dishwasher operation. STOP the machine and open the access doors; Strainer Baskets are immediately inside at the front of the tanks. On Dual Rinse machines ...
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Hobart FT900DBD - page 7
– 7 – CLEANING The dishwasher MUST be thoroughly cleaned at the end of each working shift or after each meal. Push the Power key on the keypad to turn the machine OFF . Disconnect electrical power supply(ies) and follow lockout / tagout procedures before you begin cleaning. Open all front access doors. Drain the machine by rotating the drain ha ...
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Hobart FT900DBD - page 8
– 8 – When tanks are empty , remove pump intake screens (Fig. 22) and clean them in a sink. Remove, clean and replace the strainer(s) from drainback pans in the power rinse and / or wash section(s) where present (Fig. 23), refer to pages 1 1–14. Remove the dual rinse arms (FT900D or FT900SD only). Clean debris from metal dual rinse nozzles an ...
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Hobart FT900DBD - page 9
– 9 – CLEANING THE TOP DUCT Disconnect electrical power supply(ies) and follow lockout / tagout procedures before you begin cleaning. Debris and airborne particles will settle on the T op Covers and the surfaces inside the T op Duct. The T op Duct should be cleaned about every two weeks, as appropriate for your location. There are two handles o ...
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Hobart FT900DBD - page 10
– 10 – DOs AND DON'T s FOR YOUR NEW HOBART DISHW ASHER DO assure proper water hardness of 3 grains or less per gallon. DO pre-scrap dishes thoroughly . DO use only detergents recommended by your chemical professional. DO at the end of the day , thoroughly cleanse the machine, rinse, and dry (leave doors open). DO closely follow your chemic ...
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Hobart FT900DBD - page 11
– 1 1 – CURT AINS AND DRAINBACK P ANS, MODEL FT900 AND FT950 Curtains and drainback pans must be in their proper places, Fig. 31 . . . • Hang a short curtain on the unload side of each upper prewash, wash and power rinse arm. • Hang a long curtain on both sides of every section joint. • Hang two long cur tains at the load end. • Hang on ...
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Hobart FT900DBD - page 12
– 12 – CURT AINS AND DRAINBACK P ANS, MODEL FT900D Curtains and drainback pans must be in their proper places, Fig. 32 . . . • Hang a short curtain at the unload side of every upper prewash, wash, power rinse and dual rinse arm. • If equipped with a blower-dryer , hang another short curtain after the nal rinse arm. • Hang a long curtai ...
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Hobart FT900DBD - page 13
– 13 – Fig. 33 CURT AINS AND DRAINBACK P ANS, MODEL FT900S Curtains and drainback pans must be in their proper places, Fig. 33 . . . • Hang a short curtain on the unload side of each upper prewash and wash arm. • Hang a long curtain on both sides of every section joint. • Hang two long cur tains at the load end. • Hang one long curtain ...
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Hobart FT900DBD - page 14
– 14 – Fig. 34 CURT AINS AND DRAINBACK P ANS, MODEL FT900SD Curtains and drainback pans must be in their proper places, Fig. 34 . . . • Hang a short curtain at the unload side of every upper prewash, wash and dual rinse arm. • If equipped with a blower-dryer , hang another short curtain after the nal rinse arm. • Hang a long curtain on ...
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Hobart FT900DBD - page 15
– 15 – MACHINE OPERA TION AND PROGRAMMING SECURITY LEVELS The advanced digital controls on your dishwasher allow several setup and customization options. Because these options can affect the operation of the machine, they are all locked-out by default from the factory . T o unlock them for editing, the security level must be elevated to an appr ...
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Hobart FT900DBD - page 16
– 16 – USER PROGRAMMING INSTRUCTIONS The dishwasher is equipped with electronic digital controls to allow greater precision for cleaning your ware, maintaining required tank temperatures and other advanced functions. Some of these functions are customized to suit the needs of your kitchen operation. All customization is performed through the on ...
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Hobart FT900DBD - page 17
– 17 – Entering the Parameters Menu NOTE: The parameters can be changed anytime the display is active, which is when the machine is operating or in idle mode. T o enter the Parameters menu to edit options: 1) Press the MENU key from the main screen. a. Y ou will be prompted on-screen asking if you wish to exit the menu. 2) Press the UP or DOWN ...
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Hobart FT900DBD - page 18
– 18 – Parameters Menu The Parameters Menu — T able 1 lists the parameter name, a short description, a list of possible values the parameter can have, the factory default value based on the specic dishwasher model and the security level required to access that parameter . P ARAMETERS MENU — T ABLE 1 Parameter Name Description Model Possi ...
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Hobart FT900DBD - page 19
– 19 – Communications Setup Menu The Communications Setup Menu — T able 2 lists the parameter name, a short description, a list of possible values the parameter can have, the factory default value based on the specic dishwasher model and the security level required to access that parameter . COMMUNICA TIONS SETUP MENU –— T ABLE 2 Param ...
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Hobart FT900DBD - page 20
– 20 – MAINTENANCE Disconnect electrical power supply(ies) and follow lockout / tagout procedures before performing any maintenance procedure. LINE STRAINERS Line strainers used in water or steam lines should be cleaned one week after machine installation and periodically thereafter . LUBRICA TION A list of acceptable lubricants, as well as the ...
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Hobart FT900DBD - page 21
– 21 – Conveyor Drive Chain Inspect the drive chain (Fig. 36) regularly and lubricate as required with Hykogeen Concentrate A (supplied). Conveyor Shaft Flange Bearings Located at both load and unload ends of the machine and at the front and back, these bearings should be lubricated every four months. Grease ttings at each of the four bearin ...
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Hobart FT900DBD - page 22
– 22 – TROUBLESHOOTING Manual Reset Button on Pump Motors, Conveyor Motor and Blower-Dryer Motor In case any motor becomes overheated, the thermal overload will cause the motor to not operate. A manual reset button is provided on the junction box for each motor . T o restart after the motor is allowed to cool, press the manual reset button on t ...
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Hobart FT900DBD - page 23
– 23 – Fig. 40 Fig. 41 ELECTRONIC SENSOR AT LOAD END CLEAN SENSOR OPENINGS AT LOAD END OF MACHINE SYMPTOM POSSIBLE CAUSE NOTE : If symptom(s) persist after possible causes have been checked, contact Hobart Service. Spotting of W are. 1. W are not loaded properly . 2. Incorrect nal rinse water temperature (minimum 180°F) or inadequate water ...
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Hobart FT900DBD - page 24
– 24 – Fig. 42 PL-41 182-1 LINE STRAINER SYMPTOM POSSIBLE CAUSE NOTE : If symptom(s) persist after possible causes have been checked, contact Hobart Service. T anks Not Heating. 1. Low water safety devices shut of f heat. Check for proper water level. 2. Lower oat(s) do not move freely . 3. Circuit breaker(s) to heat system tripped (electric ...
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Hobart FT900DBD - page 25
– 25 – SYMPTOM POSSIBLE CAUSE NOTE: If symptom(s) persists after possible causes have been checked, contact Hobart Service. Display Reads Possible Resolution Door(s) Open Close all inspection doors. Unload Dishes Remove all ware from unload section of the machine, starting with the ware closest to the machine chambers. Finally remove the last w ...
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Hobart FT900DBD - page 26
– 26 – – NOTES – ...
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Hobart FT900DBD - page 27
– 27 – – NOTES – ...
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Hobart FT900DBD - page 28
– 28 – FORM 44095 Rev . B (Jan. 2013) DA Y / SHIFT TIME PREW ASH T ANK TEMPERA TURE W ASH T ANK TEMPERA TURE POWER RINSE T ANK TEMPERA TURE DUAL RINSE T ANK TEMPERA TURE FINAL RINSE TEMPERA TURE COMMENTS / RECORDED BY DA TE _______________________ ...
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