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DSL
for series
DSL, TSL, QSL
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.
December 5, 2019
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Table of Contents
Summary of Contents for Presto DSL Series
- Page 1 for series DSL, TSL, QSL 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. December 5, 2019...
- Page 2 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
CONTENTS INTRODUCTION ......................4 RESPONSIBILITY OF OWNERS AND USERS .............5 SAFETY ALERT SYMBOLS AND SIGNAL WORDS ............6 SAFE SERVICING ......................7 SAFETY PRECAUTIONS ....................8 INSTALLATION INSTRUCTIONS ..................9 Preparation ......................9 Positioning the Lift ...................10 Hydraulic Connections ..................10 Electrical Connections ..................11 Completing Installation ..................12 OPERATING INSTRUCTIONS ..................12 Operating Procedure ..................12 Labels and Precautionary Markings ..............13... -
Page 4: Introduction
Where unique situations arise, that are not covered in this manual, call Presto-ECOA Lifts for further instructions. Additional manuals are available upon request or on our web site at www.prestolifts.com. -
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- ECOA 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 appro- priate instructions or precautions which should be taken to avoid these hazards. -
Page 7: Safe Servicing
SAFE SERVICING factory approved maintenance device(s) could result in severe injury or death. OF THE LIFT 5. (For single-acting hydraulic, and pneumatic lifts) Once WARNING ! the maintenance device(s) is/are properly and securely Only authorized personnel should perform inspection engaged, continue to press the down button, valve or or maintenance and service procedures. -
Page 8: Safety Precautions
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. Therefore, throughout this manual, Presto-ECOA Lifts have identified certain hazards, which may occur in the use of the unit, and provided appropriate instructions or precautions that should be taken to avoid these hazards. -
Page 9: Installation Instructions
Fig. 2 – Mount the Lift Securely INSTALLATION INSTRUCTIONS 4. If the power unit will be mounted away from the lift (“external power unit”), check the mounting arrangement for the power unit. The power unit should be sheltered from Preparation the weather. -
Page 10: Positioning The Lift
Table 1 – Hydraulic Oil Specifications If the lift will be used at normal ambient temperatures, Presto supplies the unit with CONOCO 32 oil. This may be replaced by any other good quality oil with 150 SSU at 100° F and rust and oxidation inhibitors and anti-wear properties. -
Page 11: Electrical Connections
caused by contamination in the oil. Be sure to flush CAUTION! all hydraulic lines before connecting remote power If you have a unit designed for three-phase AC and units. you connect the power so the motor runs backwards, CAUTION! the lift will not operate, and you may damage the If you do not install the vented plug in the tank, the pump. -
Page 12: Completing Installation
4. Be sure all workers are clear of the lift. Remove any you hear a loud squealing noise, the pressure relief valve is lumber or other material which may fall onto the lift. operating. Contact Presto-ECOA for instructions. WARNING! WARNING! Don’t use the unit to lift people unless it has been... -
Page 13: Labels And Precautionary Markings
DSL OWNER’S MANUAL 13... -
Page 14: Maintenance
For safety’s sake, if in doubt, please contact your your safety. If you find that the labels are worn dealer or Presto/ECOA Customer Service Department at or missing, or have been painted over, ask (800) 343-9322. Before servicing the lift, read and under- Maintenance to replace the labels before you use stand this entire section and the section entitled “Operating... - Page 15 Do not change the relief valve setting. This valve has been included for the protection of workers who install, use, or service the lift. If it is ever nec- essary to repair or reset the valve, contact Presto/ ECOA for instructions. WARNING! It maybe necessary to electrically by-pass the up limit switch to place the lift on the chocks.
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Page 16: Troubleshooting Check List & Warnings
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 supplied for 110V Hydraulic oil level low When lift is raised as far as possible, oil level should be... - Page 17 They should be able to troubleshoot live electrical circuits safely and in accordance with accepted practice. For safety’s sake, if in doubt, please contact your dealer or Presto-ECOA. Before servicing the lift, read and understand this entire section and the section entitled “Oper- ating Instructions.”...
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Page 18: Ordering Replacement Parts
ORDERING REPLACEMENT PARTS Presto-ECOA Lifts has carefully chosen the components in your unit to be the best available for the purpose. Replacement parts should be identical to the original equipment. Presto-ECOA Lifts will not be responsible for equipment failures resulting from the use of incorrect replacement parts or from unauthorized modifications to the unit. -
Page 19: Figure 11 Electrical Connections, Lifts Wired For Single-Phase Ac
Electrical Connections for Single-Phase AC Enclosure with contactor (see detail below) Up limitswitch wired normally closed Ground Pushbutton or Black footswitch DOWN Circuit breaker o r 20A time-delay fuse (installed by user) White 120VAC Ground Power cord Receptacle NEMA 5-15R (installed by user) Tank Motor... -
Page 20: Figure 12 Wiring Diagram, Lifts Wired For Single-Phase Ac With Limitswitch
Fig. 12 – Wiring Diagram, LIfts Wired for Single-Phase AC – with limitswitch Attach All Grounds to the Base End Plate Enclosure Grounding Lug Fused Disconnect Only Switch the (By Others) Hot Wire of Motor Pushbutton or Down Valve Footswitch 115V Hydraulic 1 PH... -
Page 21: Figure 14 Schematic, Lifts Wired For Three-Phase Ac
Fig. 14 – Schematic, Lifts Wired for Three-Phase AC Hydraulic power unit motor Connect this lead to the correct supply voltage X1 or X2 Up limit (optional) Motor starter Down valve solenoid Note: Upper travel limitswitch is optional. If limitswitch is absent, move wire 4 in panel from terminal 4 to terminal 3 and renumber as wire 3. -
Page 22: Figure 16 Hydraulic Diagram
Fig. 16 – Hydraulic Diagram Table 2 – Electrical Interface, Supplied by Customer Motor Required Fuse Required Fuse Wire Voltage 1.0 HP Motor 3.2 HP Motor Gauge 120/1/60 20 AMP — 12 AWG 208/1/60 20 AMP — 12 AWG 240/1/60 20 AMP —... -
Page 23: Year Warranty
Presto-ECOA Lifts' sole warranty shall be as set forth in this limited warranty. Presto-ECOA Lifts will elect to repair or replace a defective component without charge, if any components should become defective within the limited warranty period. Proof of purchase is required for warranty.
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