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Dura-Dock Dock Lift
(DDL5-59M, DDL6-59M, DL8-59M)
The information in this manual is for our standard machines, if you have any questions
regarding the specifications and dimensions of your actual lift table, contact Southworth
Customer Service or Southworth Sales if your order is being quoted or is in process.
Southworth Products
Model:
Serial Number:
Date placed in service:
SOUTHWORTH PRODUCTS CORP .
P.O. Box 1380, Portland, ME 04104-1380W
TF +1.800.743.1000 | D +1.207.878.0700 | F +1.207.797.4734
www.SouthworthProducts.com
__________________________
__________________________
October 4, 2022
DDL Dock Lift Manual
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Summary of Contents for Southworth Dura-Dock DDL5-59M
- Page 1 The information in this manual is for our standard machines, if you have any questions regarding the specifications and dimensions of your actual lift table, contact Southworth Customer Service or Southworth Sales if your order is being quoted or is in process. Model:...
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Page 2: Table Of Contents
5.1 Loading ............................22 Maintenance & Repair ..................23 6.1 Maintenance Device ........................24 6.2 Periodic Maintenance ........................ 25 6.2.1 Weekly Maintenance ......................25 6.2.2 Monthly Maintenance ......................26 6.2.3 Semi-Annual Maintenance ....................26 Southworth Products DDL Dock Lift Manual... - Page 3 9.5.2 Alternative Hydraulic Arrangement ..................36 Warranty & Contact Information ..............37 This label (part # 10095524) WARNING is required by California Law. Cancer and Reproductive Harm - For more information visit: www.P65Warnings.ca.gov www.P65Warnings.ca.gov Southworth Products DDL Dock Lift Manual...
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Page 4: Introduction
The information in this manual is for our standard machines, if you have any questions regarding the specifications and dimensions of your actual lift table, contact Southworth Customer Service or Southworth Sales if your order is being quoted or is in process. Model... -
Page 5: Responsibilities Of Owner And Users
3. Retrained, if necessary, based on the owners/user’s observation and evaluation of the operator. Modifications and additions shall not be performed without the manufacturer’s prior written approval. Where such authorization is granted, capacity, operation, and maintenance instruction plates, tags, or decals shall be changed accordingly. Southworth Products DDL Dock Lift Manual... -
Page 6: Responsibilities Of Operators
Before Operations - The operator shall: 1. Read and understand the manufacturer’s operating instruction(s) and user’s safety rules or have them explained. 2. Understand all labels, warnings, and instructions displayed on the machine or have them explained. Southworth Products DDL Dock Lift Manual... - Page 7 13. Problems or malfunctions - Any problem(s) or malfunction(s) that affect the safety of operations shall be repaired prior to the use of the machine. Southworth Products DDL Dock Lift Manual...
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Page 8: Safety
WARNING Indicates a hazardous situation that, if not avoided, could result in death or serious injury. CAUTION Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury. NOTICE Indicates information considered important, but not hazard-related (e.g., messages relating to property damage). Southworth Products DDL Dock Lift Manual... -
Page 9: Safety Devices
Safety Devices This machine is equipped with devices and features to protect the operator and nearby personnel from severe injury or death. These features and devices shall be installed and functioning correctly during operation. Southworth Products DDL Dock Lift Manual... -
Page 10: Labeling
This machine has labeling to indicate potential hazards this machine may pose when operating and/or maintaining the machine. All labels must be legible. If any label is missing, damaged, or otherwise illegible contact the manufacturer for replacement labels. Label Placement Diagram 5900158 BK-LD TAG SOUTHWORTH Southworth Products DDL Dock Lift Manual... - Page 11 BK-LD TAG SOUTH 5900158 BK-LD TAG SOUTHWORTH Southworth Products DDL Dock Lift Manual...
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Page 12: Installation
1 through 6. See Section 4.6 General Installation on page 17. This machine must be properly secured to the floor/ground before operation or the machine may be damaged. Southworth Products DDL Dock Lift Manual... -
Page 13: External Power Unit
The information in this manual is for our standard machines, if you have any questions regarding the specifications and dimensions of your actual lift table, contact Southworth Customer Service or Southworth Sales if your order is being quoted or is in process. 3" X 3" X 1/4" ANGLE BY CONDUIT ENTRY CAN BE PIT CONTRACTOR. - Page 14 CONCRETE BEHIND CURB 6" +1/2" ANGLES MUST BE WELL 3" COMPACTED WITH NO VOIDS 1/2" SHIM UNDER EACH LAG PLATE FOR PROPER DRAINAGE PIT DRAIN AS REQUIRED TO PREVENT STANDING WATER IN PIT. (BY CONTRACTOR) Southworth Products DDL Dock Lift Manual...
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Page 15: Recommended Pad Plan
CONCRETE PAD MUST BE SMOOTH AND LEVEL WELL COMPACTED WITH NO VOIDS 2° SLOPE GRADE AWAY FROM PAD 6" 8" 3" 36" 36" PAD DRAIN AS REQUIRED TO PREVENT STANDING WATER ON PAD (BY CONTRACTOR) Southworth Products DDL Dock Lift Manual... -
Page 16: Alternative Pad Plan
CENTER LINE OF BUMPER POSTS TO BE ALIGNED WITH EDGE OF PAD 48" SURFACE MUST BE CONCRETE PAD MUST BE SMOOTH AND LEVEL WELL COMPACTED WITH NO VOIDS 2° SLOPE GRADE AWAY FROM PAD 8" 36" Southworth Products DDL Dock Lift Manual... -
Page 17: General Installation
4. Using the lifting eyes, raise the platform and engage the maintenance device and then lower the platform onto the maintenance device. See Section 6.1 Maintenance Device on page 24. Ensure the roller end of the platform is not lifted off of the upper rollers. Southworth Products DDL Dock Lift Manual... - Page 18 LAG PLATES (ALL FOUR CORNERS) ROLLER TRACKS (BOTH SIDES) SIDE ROLL-OVER SUPPORT (BOTH SIDES) CROSS HATCHING INDICATES AREAS THAT NEED TO BE SHIMMED AND/OR GROUTED, ONCE LEVELED. HINGE END 8. Anchor the machine using appropriate anchors. Southworth Products DDL Dock Lift Manual...
- Page 19 Typical required connections during installation shown here. Note that there can be variations in the configuration of the hydraulic power unit and the control panel, in some cases they are separate. Contact Southworth Customer Service for further assistance. 24/1/60 CONTROL SIGNAL &...
- Page 20 14. Check all hydraulic hoses and connections, wiring and electrical connections, and other components for proper installation and damage. 15. Cycle the lift to test function. If platform does not begin to raise after a few seconds, Section 7 Troubleshooting on page 29. Southworth Products DDL Dock Lift Manual...
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Page 21: Operation
The load’s center of mass must be centered on the platform. Uneven or off-center loading may cause excessive wear or permanent damage. For use with two wheel dollies, hand carts, and hand pallet trucks only. Southworth Products DDL Dock Lift Manual... -
Page 22: Loading
Do not load or unload the lift table while moving. Loads that may shift must be secured before operating. Do not exceed maximum load capacity of lift table. Southworth Products DDL Dock Lift Manual... -
Page 23: Maintenance & Repair
Do not install on asphalt or other unstable surface. Do not adjust the hydraulic pressure relief valve. This valve is pre-set, and adjustment may cause the machine to fail. Southworth Products DDL Dock Lift Manual... -
Page 24: Maintenance Device
Clean up any spills. Re-energize the machine. 8. Raise the machine to the fully raised position. 9. Disengage the maintenance device and stow the maintenance device. 10. Lower the machine to the fully lowered position. 11. Test for proper operation. Southworth Products DDL Dock Lift Manual... -
Page 25: Periodic Maintenance
Repair or replace as necessary. • Inspect machine for loose of broken fasteners. Repair or replace as necessary. • Inspect labeling. If any label is damaged or otherwise illegible contact the manufacturer for replacement labels. Southworth Products DDL Dock Lift Manual... -
Page 26: Monthly Maintenance
PLATE AND HINGE PLATFORM HYDRAULIC CYLINDER PINS (EACH CYLINDER) CENTER PIVOT PINS/BUSHINGS (BOTH SIDES) UPPER/LOWER MAINTENANCE ROLLERS DEVICE (BOTH SIDES) (STOWED) HYDRAULIC POWER UNIT BASE FRAME UPPER/LOWER LEG HINGE HYDRAULIC PINS/BUSHINGS (BOTH SIDES) CYLINDERS Southworth Products DDL Dock Lift Manual... -
Page 27: Relieving Hydraulic Pressure
Use a 4,000 lb. capacity device to perform this function. When lifting the platform by the lifting eyes, ensure cable/chain/straps pull vertically on the lifting eyes. Southworth Products DDL Dock Lift Manual... -
Page 28: Replacement Parts
7. Slowly lower the platform until resting on the maintenance device. Replacement Parts Southworth Products has carefully chosen the components in your lift to be the best available for the purpose. Replacement parts should be identical to the original equipment. Southworth Products will not be responsible for equipment failures resulting from the use of incorrect replacement parts or from unauthorized modifications of the machine. -
Page 29: Troubleshooting
September 2012). Pressure relief valve is If there is a loud squealing noise the pressure activated relief valve may be activated. Contact Southworth Customer Service for further assistance. External Hydraulic leak Inspect all hoses, connections, and cylinders for leaks. - Page 30 Down valve may be leaking Remove the down valve and inspect for debris internally which may be preventing it from closing. Contact Southworth Customer Service for Lift fails to hold procedure. (Drifts down) Down valve may be energized Check the solenoid with a voltmeter.
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Page 31: Electrical
Required Supply Fusing 6 AMP 12 AMP 12 AMP Changing the primary voltage in the field will require changing some components and also other adjustments, contact Southworth Customer Service for further assistance. Wiring Schematic FUSED DISCONNECT (BY OTHERS) 208/230/380/ 415/460/575V... -
Page 32: Typical Control Panel
GOUNDING TERMINAL. ENSURE ALL SENSE RANGE. IF NOT PROVIDED WIRE 3 CONNECTS TO A1 ELECTRICAL COMPONENTS AND MACHINE ON MOTOR CONTACTOR VIA THE TERMINAL CONTROLS ARE PROPERLY GROUNDED ACCORDING TO BLOCK, REMOVE WIRE 4. APPLICABLE CODES. Southworth Products DDL Dock Lift Manual... -
Page 33: Hydraulics
Hydraulics Note that there can be variations in the configuration of the hydraulic power unit and the control panel. In some cases, they are separate. Contact Southworth Customer Service for further assistance. Hydraulic Fluid This machine is supplied with Phillips 66 Powerflow NZ Hydraulic Fluid. -
Page 34: Typical Hydraulic Power Unit
Typical Hydraulic Power Unit Note that there can be variations in the configuration of the hydraulic power unit and the control panel. In some cases, they are separate. Contact Southworth Customer Service for further assistance. MOTOR DOWN SOLENOID/ VALVE PUMP... -
Page 35: Hydraulic Arrangement
Applicable when machine is installed in a pit/pad WITH an under-lift conduit run for routing hydraulic hoses and electrical wiring. HYDRAULIC CYLINDERS VENT LINES PUSH-TO-CONNECT FITTING FOR VENT LINE EXCESS FLOW PROTECTOR COUPLINGS FOR PRESSURE & VENT LINE CONNECTIONS FROM HPU PRESSURE LINE 37 1/2 9/16-18 Southworth Products DDL Dock Lift Manual... -
Page 36: Alternative Hydraulic Arrangement
Applicable when machine is installed on a pad WITHOUT an under-lift conduit run for routing hydraulic hoses and electrical wiring. VENT LINES HYDRAULIC CYLINDERS PRESSURE LINE 37 1/2 9/16-18 COUPLINGS FOR HYDRAULIC PRESSURE & VENT LINES PUSH-TO-CONNECT FITTING FOR VENT LINE EXCESS FLOW PROTECTOR Southworth Products DDL Dock Lift Manual... -
Page 37: Warranty & Contact Information
For specific warranty information, contact Southworth Products with the machine’s serial number. Any claim for breach of this warranty must be received in writing by Southworth within the warranty period. Warranties shall not cover failure or defective operation, caused by misuse, misapplication, negligence or accident, exceeding recommended capacities, or any alteration or repair of the item purchased which has not been authorized by Southworth.
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