Hobart FT900 SERIES User Manual

701 S. RIDGE AVENUE
TROY, OHIO 45374-0001
937 332-3000
www.hobartcorp.com FORM 33906 Rev. C (Mar. 2000)
FT900 SERIES DISHWASHERS
R-L OPERATION L-R OPERATION
LOAD
5' ML-110672 ML-110673
6' ML-110870 ML-110871
7' ML-110674 ML-110675
8' ML-110876 ML-110877
9' ML-110881 ML-110882
CENTER
8' FT900 ML-110676 ML-110677
11' FT900W ML-110883 ML-110884
4' FT900S ML-110705 ML-110706 R-L OPERATION L-R OPERATION
UNLOAD WITHOUT BLOWER-DRYER UNLOAD WITH BLOWER-DRYER
5' ML-110680 ML-110681
6' ML-110805 ML-110806
7' ML-110682 ML-110683
8' ML-110807 ML-110808
9' ML-110684 ML-110685 ML-110688 ML-110689
9'split ML-110809 ML-110810 ML-110811 ML-110812
10' ML-110813 ML-110814 ML-110815 ML-110816
10'split ML-110817 ML-110818 ML-110819 ML-110820
11' ML-110686 ML-110687 ML-110690 ML-110691
11'split ML-110821 ML-110822 ML-110823 ML-110824
12' ML-110825 ML-110826 ML-110827 ML-110828
12'split ML-110829 ML-110830 ML-110831 ML-110832
13' ML-110833 ML-110834 ML-110835 ML-110836
13'split ML-110837 ML-110838 ML-110839 ML-110840
14'split ML-110841 ML-110842 ML-110843 ML-110844
15'split ML-110845 ML-110846 ML-110847 ML-110848
16'split ML-110849 ML-110850 ML-110851 ML-110852
17'split ML-110853 ML-110854 ML-110855 ML-110856
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Hobart FT900 SERIES Specifications

General

Model	FT900 SERIES
Category	Dishwasher
Type	Flight-Type
Heating	Electric
Dimensions	Varies by model
Features	Ventless
Booster Heater	Optional
Conveyor Speed	Adjustable
Power Supply	Varies by model
Wash Tank Capacity	Varies by model
Electrical Options	Varies by model

Summary

Operation and Care of FT900 Series Dishwashers

Machine Preparation

Steps to prepare the dishwasher before starting operation, ensuring all components are correctly positioned.

Fill Procedure

Procedure for filling the dishwasher tanks and ensuring proper water hardness for operation.

Dishwashing Process

Instructions for starting the conveyor, pumps, and blower-dryer for the dishwashing cycle.

Strainer Basket Maintenance

How to empty strainer baskets during operation to prevent clogging and ensure performance.

Dish Loading Guidelines

Best practices for loading dishes onto the conveyor for optimal cleaning.

Dish Unloading Procedures

Instructions for removing washed dishes from the conveyor.

Recommended Minimum Temperatures

Information on monitoring and maintaining water temperatures for effective washing.

End-of-Shift Cleaning

Detailed instructions for thoroughly cleaning the dishwasher at the end of each working shift.

Top Duct Cleaning

Procedure for cleaning the top duct area, including covers and internal surfaces.

Blower-Dryer Air Filter Cleaning

Instructions for cleaning the removable air filter for steam-operated blower dryers.

Operating Dos and Don'ts

Key recommendations and warnings for safe and effective operation of the warewasher.

Curtain Installation

Guidelines for proper placement and arrangement of curtains within the dishwasher sections.

Maintenance Procedures

Lubrication Information

Details on acceptable lubricants and where to obtain them for machine maintenance.

Line Strainer Cleaning

Schedule and procedure for cleaning line strainers used in water or steam lines.

Motor Maintenance

Note regarding sealed bearings in motors requiring no lubrication maintenance.

Conveyor Gearmotor Service

Procedure to check and maintain the conveyor gearmotor oil levels every six months.

Conveyor Drive Chain Care

Inspection and lubrication requirements for the conveyor drive chain.

Conveyor Sprocket Bearing Lubrication

Lubrication schedule for conveyor sprocket bearings located at loading and unloading ends.

Troubleshooting Guide

Motor Overload Reset

How to use the manual reset button on pump motors and the conveyor motor after thermal overload.

Machine Won't Operate

Possible causes and solutions when the machine fails to operate after pressing the start button.

Dishes Not Clean

Potential causes for dishes not being cleaned properly, including water, nozzles, and detergent issues.

Leaking Valves

Possible causes for leaking valves, excluding solenoid types, and recommended actions.

Spotting on Dishes

Common reasons for spotting on silverware, glasses, and dishes after washing.

Inadequate Rinse Issues

Troubleshooting steps for insufficient rinsing, including strainer, pressure, and nozzle checks.

Rinse Actuator Problems

Diagnosing and resolving issues with continuous rinse operation involving rinse actuators.

Photoelectric Sensor Rinse Issues

Troubleshooting continuous rinse operation when equipped with photoelectric sensors.

No Wash Tank Heat

Possible causes for the absence of wash tank heat, related to water level and electrical issues.

Fill Problems

Troubleshooting for the machine not filling or filling slowly, checking strainers and floats.

Service Contact Information

Guidance on contacting Hobart-authorized service for repairs or adjustments.