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Dura-Dock Dock Lift
Owner's Manual
(DDL 5-59M, DDL6-59M & DL8-59M)
Model:
Serial Number:
Date placed in
service:
SOUTHWORTH PRODUCTS CORP.
P.O. Box 1380, Portland, ME 04104-1380
Telephone: 800-743-1000 • 207-878-0700
Fax: 207-797-4734
www.SouthworthProducts.com
Southworth Products
February 19, 2019
DDL Dock Lift Manual
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Summary of Contents for Southworth Dura-Dock Dock Lift Series
- Page 1 Dura-Dock Dock Lift Owner’s Manual (DDL 5-59M, DDL6-59M & DL8-59M) Model: Serial Number: Date placed in service: SOUTHWORTH PRODUCTS CORP. P.O. Box 1380, Portland, ME 04104-1380 Telephone: 800-743-1000 • 207-878-0700 Fax: 207-797-4734 www.SouthworthProducts.com Southworth Products February 19, 2019 DDL Dock Lift Manual...
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Page 2: Table Of Contents
Electrical Information ........................21 Wiring Schematic ........................ 21 Control Panel ........................22 Hydraulic Information ......................... 23 Hydraulic Fluid Specifications ................... 23 Hydraulic Schematic ......................23 Hydraulic Power Unit ......................23 Hose Specifications ......................23 Southworth Products DDL Dock Lift Manual... - Page 3 This label (Part No. 10095524) is required by California law. For more information visit: www.P65Warnings.ca.gov This lift is design and manufactured in accordance with ANSI standard MH29.1 – “The Safety Requirements for Industrial Scissors Lifts”. Southworth Products DDL Dock Lift Manual...
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Page 4: Introduction
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 5: 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 6: Safety
All personnel installing, operating, and maintaining this machine shall read and understand this manual. For questions or concerns contact the manufacturer. This machine shall be installed, operated, and maintained by trained and/or qualified personnel only. Southworth Products DDL Dock Lift Manual... -
Page 7: Safety Alert Symbols
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. Southworth Products DDL Dock Lift Manual... -
Page 8: Label Location Diagram
Label Location Diagram Southworth Products DDL Dock Lift Manual... -
Page 9: Installation
1. Verify that the pit dimensions match the pit plan. 2. Verify that pit is clear of tools and other debris before lowering the machine into the pit. 3. Follow General Installation instructions to complete the installation. Southworth Products DDL Dock Lift Manual... -
Page 10: Typical Pit Plan
CONCRETE BEHIND CURB 6" +1/2" ANGLES MUST BE WELL 3" COMPACTED WITH NO VODIS 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... -
Page 11: 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 12: 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 13: General Installation
FRONT ROLL-OVER SUPPORT 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 Southworth Products DDL Dock Lift Manual... -
Page 14: Operation
Inspect all precautionary labeling. If any label is missing or illegible contact the manufacturer for replacement labels. Ensure area is free of debris. Before raising or lowering, raise throw over plate(s) and bridge plate(s) to avoid damaging the plate(s). Southworth Products DDL Dock Lift Manual... -
Page 15: Loading
• Do not enter beneath the platform until the load has been removed and the machine is secured against lowering with the maintenance device(s). See Maintenance Devices section. Southworth Products DDL Dock Lift Manual... -
Page 16: Maintenance Devices
HINGE END 11. Test for proper operation. POST WHEN ENGAGED, THE MAINTENANCE DEVICE MUST REST ON THE UNDERSIDE OF THE PLATFORM. DAMAGE MAY OCCUR IF MAINTENANCE DEVICE IS RESTING ON STRUCTURAL REINFORCEMENTS Southworth Products DDL Dock Lift Manual... -
Page 17: Periodic Maintenance
THROW OVER PLATE PLATFORM HYDRAULIC CYLINDER PINS (EACH CYLINDER) CENTER PIVOT PINS/BUSHINGS (BOTH SIDES) UPPER/LOWER MAINTENANCE ROLLERS DEVICE (BOTH SIDES) (STOWED) HYDRAULIC POWER UNIT UPPER/LOWER LEG HINGE BASE FRAME HYDRAULIC PINS/BUSHINGS (BOTH SIDES) CYLINDERS Southworth Products DDL Dock Lift Manual... -
Page 18: Relieving Hydraulic Pressure
6. Engage the maintenance device. - See Maintenance Devices section. 7. Slowly lower the platform until resting on the maintenance device. DOWN SOLENOID/ VALVE MOTOR PUMP DISCONNECT HYDRAULIC HOSE FROM THIS FITTING TO RELIEVE SYSTEM PRESSURE ADUJUSTABLE DOWN FLOW CONTROL Southworth Products DDL Dock Lift Manual... -
Page 19: Replacement Parts
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 20 Flow control may need to be Adjust the flow control as necessary. slowly adjusted Pressure relief valve is If there is a loud squealing noise the pressure activated. relief valve may be activated. – Contact the manufacturer for assistance. Southworth Products DDL Dock Lift Manual...
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Page 21: Electrical Information
CORRECT SUPPLY VOLTAGE UP LIMIT OPTIONAL HPU MOTOR STARTER DOWN DOWN VALVE SOLENOID NOTE: UP LIMIT SWITCH IS OPTIONAL. IF UP LIMIT SWITCH IS ABSENT, WIRE 3 RUNS DIRECTLY TO THE COIL ON THE MOTOR CONTACTOR. Southworth Products DDL Dock Lift Manual... -
Page 22: Control Panel
GOUNDING TERMINAL. ENSURE ALL 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 23: Hydraulic Information
ELBOW FOR purchased other wise the vent line comes in the same length as the RESERVOIR pressure hose. TO VENT LINE CONNECTION ON LIFT Southworth Products DDL Dock Lift Manual... -
Page 24: Hydraulic Arrangements
Applicable when machine is installed in a pit/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 25: Warranty & Contact Information
Southworth Products with the machine’s serial number. Any claim for breach of this warranty must be received in writing by Southworth Products 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 Products.
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