Instruction/ maintenance manual of the product FT900 SERIES Hobart
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701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com FORM 33906 Rev. C (Mar. 2000) FT900 SERIES DISHW ASHERS R-L OPERATION L-R OPERATION LOAD 5' ML-110672 ML-110673 6' M.
– 2 – Operation and Care of FT900 SERIES DISHW ASHERS SA VE THESE INSTRUCTIONS OPERA TION MACHINE PREPARATION — Check before beginning operation. Raise the machine doors and make sure all components are in their proper operating positions. Pump Intake Screens must be put on holders at each pump intake (Fig.
– 3 – FILL Assure proper water hardness. Recommended range is 4 – 6 grains per gallon. All water (and steam, if equipped) supply valves must be opened and the electric supply turned on before the machine will function. Close the drains and doors.
– 4 – Empty Strainer Baskets During Operation as Necessary The Strainer Baskets must be emptied periodically during operation to prevent them from becoming clogged, which would adversely affect dishwasher operation. STOP the machine and open the side access doors; Strainer Baskets are immediately inside at the front of the tanks.
– 5 – CLEANING The dishwasher MUST be thoroughly cleaned at the end of each working shift. Drain the machine by lowering the drain levers to a horizontal position. Drain levers are located near the floor at the front of each tank. Draining the tanks requires approximately 5 – 10 minutes.
– 6 – When tanks are empty, remove pump intake screens (Fig. 21) and clean them in a sink. Remove the final rinse arms (Fig. 22). Clean debris from nozzles and arms using a straightened paper clip (Fig. 23). Never use steel wool to clean warewasher surfaces.
– 7 – CLEANING THE TOP DUCT WARNING : DISCONNECT ELECTRICAL POWER AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT THE MACHINE IS BEING WORKED ON BEFORE YOU BEGIN CLEANING. Debris and airborne particles will settle on the Top Covers and the surfaces inside the Top Duct.
– 8 – DOs AND DON'Ts FOR YOUR NEW HOBART WAREWASHER DO assure proper water hardness of 4 to 6 grains 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).
– 9 – HANG CURTAINS Curtains must be in their proper places (Fig. 30) . . . A Short Curtain on the unload side of each upper Wash Arm, Long Curtains on both sides of every section divider, Two Long Cur tains at the Load End.
– 10 – C O N T R O L B O X PREWASH ARM o o ooooo TWO SHORT CURTAINS AT UNLOAD SIDE OF UPPER ARMS THREE PAIRS OF LONG CURTAINS AT SECTION DIVIDERS LOAD UNLOAD WASH ARM FT900S R - L OPERATION WITH 4' CENTER SECTION RINSE ARM Fig.
– 11 – Fig. 30 FOUR SHORT CURTAINS AT UNLOAD SIDE OF UPPER ARMS AND BETWEEN TWO RINSE ARMS FT900W R - L OPERATION WITH 11' CENTER SECTION C O N T R O L B O X PREWASH ARM o o ooooo ooooo FIVE .
– 12 – PL-41059-1 REMOVE PLUG TO CHECK OIL LEVEL CONVEYOR MOTOR GEAR CASE PL-41060-1 DRAIN PLUG MAINTENANCE WARNING : DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT YOU ARE WORKING ON THE CIRCUIT BEFORE PERFORMING ANY MAINTENANCE PROCEDURE.
– 13 – PL-41061-1 RESET BUTT ON Conveyor Speed Adjustment The conveyor speed can be adjusted by your local Hobart service technician. For Model FT900 and FT900W, maximum speed is 12 feet-per-minute, FPM , (factory preset is 8 – 9 FPM ). For Model FT900S, maximum speed is 6.
– 14 – Fig. 35 Rinse Actuator SYMPTOM POSSIBLE CAUSE Leaking Valve (Except Solenoid Type) Supplied by Others 1. 2. Foreign material preventing proper valve operation. A critical period is soon after installation when pipe compound or metal shavings may lodge at the valve seat.
– 15 – SYMPTOM POSSIBLE CAUSE Continuous Rinse Operation (on machines equipped with Photoelectric Sensor Rinse, Figs. 27, 36.) 1. 2. 4. Photoelectric sensors are blocked. Clean sensor openings (Fig. 27). Remove side panels from load end of machine adjacent to pre-wash chamber.
– 16 – FORM 33906 Rev. C (Mar. 2000) PRINTED IN U.S.A. DATE ______________________ DAY / SHIFT TIME PREWASH TANK TEMPERATURE WASH TANK TEMPERATURE POWER RINSE TANK TEMPERATURE FINAL RINSE TEMPERAT.
An important point after buying a device Hobart FT900 SERIES (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 FT900 SERIES 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 FT900 SERIES - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hobart FT900 SERIES you will learn all the available features of the product, as well as information on its operation. The information that you get Hobart FT900 SERIES will certainly help you make a decision on the purchase.
If you already are a holder of Hobart FT900 SERIES, 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 FT900 SERIES.
However, one of the most important roles played by the user manual is to help in solving problems with Hobart FT900 SERIES. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hobart FT900 SERIES 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
