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Southworth DL Series Owner's Manual

Lift tables
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Owner's Manual
DL Series Lift Tables
Model # ______________________________________
Serial # ______________________________________
Date placed in Service __________________________
SOUTHWORTH PRODUCTS CORP
P.O. Box 1380 • Portland, ME 04104-1380
Telephone: (207) 878-0700 or (800) 743-1000
Fax: (207) 797-4734
www.SouthworthProducts.com
Email: service@SouthworthProducts.com
Revised January 2017

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Summary of Contents for Southworth DL Series

  • Page 1 Owner’s Manual DL Series Lift Tables Model # ______________________________________ Serial # ______________________________________ Date placed in Service __________________________ SOUTHWORTH PRODUCTS CORP P.O. Box 1380 • Portland, ME 04104-1380 Telephone: (207) 878-0700 or (800) 743-1000 Fax: (207) 797-4734 www.SouthworthProducts.com Email: service@SouthworthProducts.com Revised January 2017...
  • Page 2 Please note: This manual was current at the time of printing. To obtain the latest, most updated version, please contact Southworth’s Customer Service Department or go to our website: www.SouthworthProducts.com, under Parts & Service you will find a complete list of current owner’s manuals to print.
  • Page 3 Fig. 15 Schematic, Lifts Wired for Three-Phase AC ..............21 Fig. 16 Hydraulic Connections...................... 21 Fig. 17 Hydraulic Diagram ......................22 Table 1 Hydraulic Oil Specifications ................... 7 Table 2 Electrical Interface, Supplied by Customer ............22 DL SERIES LIFT TABLES...
  • Page 4 This manual contains information to acquaint you with the safe and proper installation, use, and upkeep of an DL series lift table. You should ensure that this manual is available to personnel working with and on the lift table and require its use by these personnel.
  • Page 5 It is the responsibility of the user/purchaser to advise the manufacturer where deflection may be criti- cal to the application. Repairs All repairs shall be made by qualified personnel in conformance with Southworth’s instructions. Operators Only trained personnel and authorized personnel shall be permitted to operate the lift.
  • Page 6 NOTICE is used to address practices not related to physical injury. SAFETY INSTRUCTIONS (or equivalent) signs indicate specific safety- related instructions or procedures. NOTE: DANGER, WARNING or CAUTION should not be considered for property damage accidents unless personal injury risk appropriate to these levels is involved. DL SERIES LIFT TABLES...
  • Page 7 Failure to prop- erly use the factory approved maintenance device(s) could result in severe injury or death. 5. (For single-acting hydraulic, and pneumatic lifts) Once the maintenance device(s) is/are properly and securely engaged, continue to press DL SERIES LIFT TABLES...
  • Page 8 The safety of all persons operating, maintaining, repairing, or INSTRUCTIONS in the vicinity of the DL lift table is of paramount concern to Southworth. The lift table is a powerful machine with moving Preparation parts, and is capable of causing personal injury if proper Before you start to install the lift, check for local codes and precautions are not taken.
  • Page 9 Be sure that the hydraulic line will not be pinched Move the lift into position, supporting the base of the lift. If by the lift as it raises or lowers. If you allow the lift has a hinged throwover plate, set the lift in position DL SERIES LIFT TABLES...
  • Page 10 Table 1 – Hydraulic Oil Specifications If the lift will be used at normal ambient temperatures, Southworth 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 Contact Southworth for instructions. base frame, as shown in Figure 2. If the lift is lowering too quickly or too slowly, you can change WARNING! the “down speed”...
  • Page 12 On base end plate, where wire exits the base 14..Fasten to flow control (not shown) Item Part# Location Fig. 6 – Labels and Precautionary Markings IMPORTANT: Please contact our Service Dept. at 800-743-1000 with any questions regarding the proper placement of labels. DL SERIES LIFT TABLES...
  • Page 13 If the lift does not operate within 2 be damaged. or 3 seconds, turn off the lift and call a qualified maintenance • Place the load in the center of the lift table, as shown in worker. Figure 4. DL SERIES LIFT TABLES...
  • Page 14 Someone may be hurt, and the lift and practice. For safety’s sake, if in doubt, please contact your load may be damaged. dealer or Southworth Products Corp Service Department at • Release of fluids under high pressure can cause (207) 878-0700 or (800) 743-1000.
  • Page 15 A fork truck or overhead crane may be necessary to remove any weight off of the greaseable joints. Contact Southworth’s Service Department for further instructions if the machine is still unable to accept grease.
  • Page 16 Lift lowers too open or stuck closed Flow control may need adjust- Adjust flow control as needed slowly ment If the steps listed above do not solve the problem, please call the Southworth’s Customer Service Department DL SERIES LIFT TABLES...
  • 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 Southworth Products Corp. Before servicing the lift, read and understand this entire section and the section en- titled “Operating Instructions.”...
  • Page 18 ORDERING REPLACEMENT PARTS Southworth has carefully chosen the components in your lift to be the best available for the pur- pose. Replacement parts should be identical to the original equipment. Southworth will not be responsible for equipment failures resulting from the use of incorrect replacement parts or from unauthorized modifications of the machine.
  • Page 19 Figure 10 – Standard 3.2 HP Power Unit Down valve Motor with solenoid Pump with relief Tank and check valve Figure 11 – Hydraulic Pump and Down Valve Pre 8/22/2012 Post 8/22/2012 DL SERIES LIFT TABLES...
  • Page 20 (external power unit). The pump has a built-in relief valve and check valve. The down speed control is pressure-compensated. Figure 13 – Wiring Diagram, LIfts Wired for Single-Phase AC – without limitswitch DL SERIES LIFT TABLES...
  • Page 21 CAUTION! If on power-up the motor rotates in the wrong direction, don’t continue to operate the lift. You may damage the pump. To correct the problem, interchange any two of the motor leads (T or T DL SERIES LIFT TABLES...
  • Page 22 Figure 15 – Wiring Diagram, LIfts Wired for Single-Phase AC – with limitswitch Figure 16 – Hydraulic Connections DL SERIES LIFT TABLES...
  • Page 23 208/3/60 10 AMP 12 AMP 20 AMP 14 AWG 230/3/60 10 AMP 12 AMP 20 AMP 14 AWG 460/3/60 5 AMP 6 AMP 10 AMP 14 AWG 575/3/60 5 AMP 5 AMP 7.5 AMP 14 AWG DL SERIES LIFT TABLES...
  • Page 24 Labor is not included. This is buyer’s sole remedy. Except as stated herein, Southworth Products Corp will not be liable for any loss, inju- ry or damage to persons or property, nor for direct, indirect, or consequential damage of any kind, resulting from failure or defective operation of said product.