Jet-tech 727 Manual

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HI TEMP WAREWASHERS

INSTRUCTION,

MAINTENANCE & SERVICE

MANUAL

Table of Contents

Summary of Contents for Jet-tech 727

Page 1 HI TEMP WAREWASHERS INSTRUCTION, MAINTENANCE & SERVICE MANUAL...
Page 2 If you find a discrepancy or can't find certain information, please contact us. We will be glad to help you. Updates and modifications will be issued as the information becomes available. JET-TECH SYSTEMS 7014 Cote de Liesse Montreal, Quebec H4T 1E7 Tel.: 888-275-4534 (888-ASK-4-JET); 514-737-9701 Fax: 514-342-3854 e-mail: service@jet-tech.com...
Page 3: Manufacturer's Limited Warranty
Tech Systems, within the continental United States of America or Canada; provided that: prior authorization for this labor was approved by Jet-Tech Systems, the service work was performed by an authorized Jet Tech service agency; and that this agency installed an original and genuine Jet Tech part in the machine. Any repair work performed by a non-authorized service depot remains the sole responsibility of the user, and Jet Tech Systems will not be held responsible.
Page 4 SERVICE CALL REGULATIONS JET TECH ware washers are warranted as specified in the MANUFACTURERS LIMITED WARRANTY. We will pay for: 1. Labor to replace a defective part, as per the attached Allocated Times Schedule. 2. Travel time, as specified in the MANUFACTURERS LIMITED WARRANTY. (See page 4) 3.
Page 5 20110 Thermostat-Booster Element 20119 Peristaltic Detergent Pump 20023, 20545 Digital Temperature Display 20108,20514 Air Pressure Switch 20053, 20058, 20059,20192, 20525 Rinse Aid Pump 20199 Cycle Start button 20519 Drain Pump 40229, 20429 Wash pump on 727 & 737 40028, 40226...
Page 6: Warranty Claim Procedures
ALLOCATED TIMES PARTS CODE TIME (Hours) Wash pump on PIPER, F16, F18 40248, 40242, 20240 Wash pump on 747, F20, F22 40230,40236, 40255,40258 Tube for chemical injector 60564 Rinse feed tubing 60565 1.25 Door hinges WARRANTY CLAIM PROCEDURES When a service call is placed by JET TECH, a dealer, distributor, end user or other, it does not necessarily mean that the service call will be covered by warranty.
Page 7 MODIFICATIONS AND UPDATES PART# MODELS SERIAL #'s CHANGE 15507 9569886- NEW TOP PANEL #15683 15506 NEW BACK PANEL #15684 20500 F18/DP 9901607- THE WHITE DRAIN PUMP BUTTON 20500 737DP 9800871- MUST BE HELD TO ACTIVATE THE 20500 727DP 9800706- DRAIN PUMP AND WILL NO LONGER 20149 F16/DP 9800065-...
Page 8: Technical Characteristics
TECHNICAL CHARACTERISTICS GENERAL DIMENSIONS MODEL SIZE-ACTUAL WEIGHT Tank Cap. Booster Cap. Height Width Depth (Liters) (Liters) (mm/inch) (mm/inch) (mm/inch) (US gal) (US gal) 820.00 500.00 500.00 52.73 32.25" 19.75" 19.75" 2.11 1.27 850.00 600.00 600.00 72.73 12.0 33.50" 23.75" 23.75" 3.17 1.72 1485.00...
Page 9 UNDER COUNTER INSTALLATION • Install legs on machine • Make sure the machine is leveled. • If a counter is put on top of the dishwasher, it is preferable if the counter can be removed easily for servicing. If the counter is fixed, leave half an inch (minimum) between the counter and the top of the unit.
Page 10 DIAGRAM FOR UTILITY CONNECTIONS...
Page 11: The Control Panel
THE CONTROL PANEL...
Page 12: Operation
OPERATION F-18DP Before operating the machine, ensure that the electrical power, water supply and drain connections have been made as per the installation instructions. Ensure that the overflow pipe is correctly set in its place (inside the wash tank). The overflow pipe should never be forced into its position.
Page 13 OPERATION NOTE: It is recommended to change the wash water at least twice per day (after each peak period). Press Square Green Power Button 1 to the off position. Twist & pull up the overflow pipe and allow the machine to drain fully. The White Drain Pump Button ³...
Page 14 ELECTRICAL STAGES OF THE MACHINE All JET TECH high temperature washers operate in the same basic manner. Ensure that the proper electrical, water supply and drain connections have been made, that the overflow tube (stand-pipe) is properly positioned in the washtank and the machine is level. 1.
Page 15: Thermostat Adjustment
NOTE: Several models have the thermostats located in the "Slide Out" control panel. Do not pull the drawer out so far as to pull the air pressure hose off the air pressure switch. F16 & F16 DP F20-F22-727-737-747 F18 & F18 DP (Base of machine)
Page 16: Air Pressure Switch Adjustment
NOTE: Several models have the air pressure switch located in the "Slide Out" control panel. Do not pull the drawer out so far as to pull the air pressure hose off the air pressure switch. F16 & F16DP F18 & F18DP F20-F22-747 727&737...
Page 17 RINSE PUMP ADJUSTMENT AND PRIMING • The rinse pump is standard equipment on all JET-TECH machines and automatically injects rinse additive into the rinse water for the final rinse. • The rinse pump is located in the base of the machine. The front, lower panel (below the door) snaps off to access the rinse pump.
Page 18 LIQUID DETERGENT PUMP ADJUSTMENT Models 727,737, F-16, F-16DP, F-18, F-18DP & F-20 are supplied with a factory installed liquid detergent pump to automatically dispense detergent into the wash tank chambers.
Page 19: Rinse System
WASH & RINSE DIAGRAMS WASH AND RINSE DIAGRAM FOR: F16 & F16DP PIPER WASH AND RINSE DIAGRAM FOR: F18 & F18DP F20 - F22 727 - 737-747 RINSE SYSTEM WASH SYSTEM...
Page 20: Drain Pump Operation
DRAIN PUMP OPERATION Models 727, 737, F-16DP and F-18DP are factory built with drain pumps. A square white button on the control panel beside the green power button also evidences this feature. All other models have a gravity drain. Drain pump equipped models will pump the drain water to a maximum height of 36" (0.9 meter). A 1" ID flexible hose* is recommended to facilitate maintenance and servicing of the machine.
Page 21 INSTALLATION OF THE LIQUID DETERGENT PUMP JET TECH A peristaltic type liquid detergent pump kit is available as a user installed option for all models. Part List: 1 - Peristaltic Pump 2 - 4mm. Machine Screws 2 - 4mm. Lock Washers 2 - 4mm.
Page 22 INSTALLATION OF THE LIQUID DETERGENT PUMP JET TECH Turning counter-clockwise shortens the injection pulse time as well as increasing the time between pulses. Turning clockwise lengthens the injection pulse time as well as decreasing the time between pulses. INSTALLATION OF "NON JET TECH" DETERGENT PUMP There is power going to the detergent pump wiring harness only when the water fill valve is open: during the fill cycle and during the rinse cycle, as explained in the previous section.
Page 23: Water Inlet Valve (Solenoid)
NOTE: If you are replacing the water inlet valve on a model F-22 or 747 (door type machines), the filter screen must be removed to provide the required increased water flow. CYCLE TIMER • JET-TECH washers use a mechanical type timer which cannot be serviced and must be replaced if defective...
Page 24: Semi-Annually
• Verify if "O" Rings are worn on wash/rinse arms. • Rotate upper and lower arm assembly. ANNUALLY • A complete verification by a qualified JET-TECH technician is now recommended. • Treatment for mineral deposits. • Flush and drain booster.
Page 25 SERVICING OUR MACHINES IS EASIER THAN EVER. Our models F-16, F-18, F-20, 727 & 737 feature a control panel drawer that slides out for ease of access to internal components. Moving the dishwasher and removing the top panel is generally not necessary. Open the dishwasher door and wedge a flat bladed screwdriver between the lower lip of the control panel (left &...
Page 26: Troubleshooting
TROUBLE SHOOTING PROBLEM CHECK ACTION Does not wash properly A001 Is the wash water clean? Drain the tank, rinse and refill A002 Are the wash/rinse arm jets clogged? Clean the jets/nozzles. Be careful not to lose the o-rings. A003 Are the scrap screens clean? Clean the scrap screens &...
Page 27 TROUBLE SHOOTING Does not operate/start B001 The power switch may be unplugged Verify connections and replace as or defective required B002 Verify if there is power going to the Verify the breaker Verify electrical machine connections to the machine B003 The door micro switch may be Adjust switch Some of the parts may defective...
Page 28 TROUBLE SHOOTING Machine takes too long to empty A009 Drain outlet hose may be blocked. Drain Un-clog or reposition hose. Un-clog or pump may be blocked or defective not replace drain pump, as required. allowing proper drainage of machine A010 The overflow pipe may be clogged.

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Jet-tech 727 Manual

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