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Presto DXS Series
ECOA CDL &
CLT Series
Installation, Operation
and Service Manual
Model Number ___________________________
Serial # ________________________________
Date placed in service _____________
IMPORTANT: READ CAREFULLY
BEFORE INSTALLING OR OPERATING LIFT
Part orders are subject to a $50 minimum charge.
and
March 2020
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Summary of Contents for Presto Lifts ECOA DXS Series
- Page 1 Presto DXS Series ECOA CDL & CLT Series Installation, Operation and Service Manual Model Number ___________________________ Serial # ________________________________ Date placed in service _____________ IMPORTANT: READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a $50 minimum charge. March 2020...
- Page 2 This label (part # 10095524) is required by California law. For more information visit www.65Warnings.ca.gov. This label (part # 10095524) is required by California law. For more information visit www.P65Warnings.ca.gov. This manual was current at the time of printing. To obtain the latest, most updated version, please contact Presto-ECOA Lifts Customer Service Department or go to our website: www.PrestoLifts.com where you will find a complete list of current owner’s manuals to print.
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Page 3: Table Of Contents
C O N T E N T S S E C T I O N 1: Introduction ........................4 Responsibility of Owners and Users .................. 5 Safety Alert Symbols and Signal Words ................6 S E C T I O N 2: Safety .......................... - Page 4 S E C T I O N 1 INTRODUCTION This manual attempts to provide all of the information necessary for the safe and proper installation, operation and maintenance of Presto-ECOA Double Scissor Lifts. It is important that all personnel involved with the installation, maintenance or operator of the scissor lift read this manual. Where unique situations arise, that are not covered in this manual call Presto-ECOA for further instructions.
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Page 5: Responsibility Of Owners And Users
Responsibility of Owners and Users Inspection and Maintenance The device shall be inspected and maintained in proper working order in accordance with Presto owner’s manual. Removal from Service Any device not in safe operating condition such as, but not limited to, excessive leakage, missing rollers, pins, or fasteners, any bent or cracked structural members, cut or frayed electric, hydraulic, or pneumatic lines, damaged or malfunctioning controls or safety devices, etc. -
Page 6: Safety Alert Symbols And Signal Words
SAFETY ALERT SYMBOLS AND SIGNAL WORDS The safety of all persons operating, maintaining, repairing, or in the vicinity of this equipment is of paramount concern. This is a powerful machine with moving parts, and is capable of causing personal injury if proper precautions are not taken. Therefore, throughout this manual, certain hazards have been identified which may occur in the use of the machine, and there are appropriate instructions or precautions which should be taken to avoid these hazards. - Page 7 S E C T I O N 2 SAFETY The safety of all persons installing, using, servicing, or working near the unit is of paramount concern to Presto-ECOA Lifts. The lift is a powerful machine with moving parts, and is capable of causing personal injury if proper precautions are not taken.
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Page 8: Uncrating And Inspection
C. ELECTRICALS S E C T I O N 3 INSTALLATION 1. The motors on Double Scissor Lifts are special intermittent duty motors with high pull up torques. These motors require heavier duty electrical controls than standard motors. A. UNCRATING AND INSPECTION 2. -
Page 9: Method Of Operation
voltage at motor terminals; again briefly operate the top. The load center of gravity must be within 8' of the lift lift. If the lift does not move smoothly with a humming table top and equally distributed over 80% of the table. sound, stop and review the procedures in the section on If the load is unstable or may become unstable, fasten it troubleshooting (5B). - Page 10 S E C T I O N 5 FIGURE 1: MAINTENANCE CHOCK MAINTENANCE Generally, the Double Series Scissor Lifts require very little maintenance. Reasonable care will result in excellent trouble- free performance. WARNING! Never go under or service lift with a load on the table or with the scissor mechanism unblocked.
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Page 11: If The Lift Will Not Raise
If the lift will not raise: reinstalled any electrical by-pass is removed before operating the lift. Any final adjustment of limit switch needs to occur with the legset and platform NOTICE supported while working under the lift. If you do by- pass or remove the switch, when the lift platform Do not continue to hold the “up”... -
Page 12: Routine Periodic Maintenance
ROUTINE PERIODIC MAINTENANCE Suggested Preventative Maintenance Schedule (ensure that lift is properly chocked as required). Inspect leg rollers, center pivot pins and bushings, leg hinge pins and bushings for evidence of wear. loose bolts or broken cotter pins or keepers. Repair or Weekly replace as required. - Page 13 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE CHECK THIS Weight of load too heavy Check the actual weight of the load Motor not running Check the main disconnect switch, fuses, and wiring to the motor. A 20 amp, designated braker must be sup- plied for 115 single phase.
- Page 14 ELECTRICAL DIAGRAM 115 AC FIGURE 3: Page 14 Owner's Manual Presto DXS Series - ECOA CDL & CLT Series...
- Page 15 DXS COMPONENTS DIAGRAM FIGURE 4: Page 15 Owner's Manual Presto DXS Series - ECOA CDL & CLT Series...
- Page 16 DXS POWER UNIT COMPONENTS FIGURE 5: Page 16 Owner's Manual Presto DXS Series - ECOA CDL & CLT Series...
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Page 17: Hydraulics
HYDRAULIC SCHEMATIC (ALL MODELS) FIGURE 6: BI-DIRECTIONAL PUMPS These pumps are driven by reversible motors and are primarily used to power double-acting cylinders in both directions. Locking checks that hold the load in either direction are standard. Table 1 – Hydraulic Oil Specifications If the lift will be used at normal ambient temperatures, Presto-ECOA Lifts supplies the unit with Conoco Super Hydraulic 32 oil. - Page 18 Page 18 Owner's Manual Presto DXS Series - ECOA CDL & CLT Series...
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Page 19: Ordering Replacement Parts
PARTS Standard parts may be returned with a 20% restocking fee or $35.00 net, whichever is greater. Modified or custom-engineered parts are not returnable. Unfortunately, due to potentially concealed damage, all sales of electrical assemblies are final. QUALITY ISSUES Should you feel there is a quality problem, please contact the seller to ask questions and gather information on how to rectify the issue. - Page 20 Presto Lifts with the machine’s serial number. Any claim for breach of this warranty must be received in writing by Presto Lifts within the war- ranty period. Warranties shall not cover failure or defective operation, caused by misuse, misap- plication, negligence or accident, exceeding recommended capacities, or any alteration or repair of the item purchased which has not been authorized by Presto Lifts.
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