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Southworth Products

DDL Dock Lift Manual

DDL Dock Lift Manual

15

To avoid death or serious injury:

• 

Only trained and/or qualified personnel shall operate this machine.

•  Personnel are not permitted on the platform during operation unless handrails and 

snap chains/cables are installed.

•  Loads that may shift during operating must be secured before operating.
•  Keep hands, feet, and loose clothing away from moving parts.
•  Do not enter beneath the platform until the load has been removed and the machine 

has been secured against lowering with the maintenance device(s).

•  Do not load or unload the machine while moving.
•  The load’s center of mass must be centered on the platform. Uneven or off center 

loading may cause excessive wear or permanent damage.

•  During operation, operator must be in view of the machine at all times.

When not in use the platform is to be in the fully lowered position.

To raise the machine,

 press and hold the UP button on the controls. Release the button when  

the platform is at the desired height. 

To lower the machine,

 press and hold the DOWN button on the controls. Release the button 

when the platform is at the desired height.

5.1    Loading

All loads should be centered on the platform. Uneven loading can lead to excessive wear or 

damage. Always secure loads that may roll or shift during travel.

6.  Maintenance & Repair

To avoid death or serious injury:

• 

Only trained and/ or qualified personnel shall perform maintenance or repair of this 

machine. 

•  Pinch points exist, keep hands, feet, and loose clothing away from moving parts.
•  Always use appropriate Personal Protective Equipment when performing and 

maintenance or repair.

•  Disconnect and lock out electrical supply before performing any maintenance or 

repair

•  Do not adjust the hydraulic pressure relief valve. This valve is pre-set and 

adjustment may cause the machine to fail.

•  Before performing maintenance or repair to the hydraulic components, relieve 

pressure in the hydraulic system. See Relieving Hydraulic Pressure section.

• 

Pressurized fluids can penetrate skin and cause severe injury. Do not use hands or 

other body parts to detect hydraulic leaks.

•  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.

Summary of Contents for DDL 5-59M

Page 1: ...2019 Model Serial Number Date placed in service Dura Dock Dock Lift Owner s Manual DDL 5 59M DDL6 59M DL8 59M SOUTHWORTH PRODUCTS CORP P O Box 1380 Portland ME 04104 1380 Telephone 800 743 1000 207 8...

Page 2: ...ommended Pad Plan 11 4 5 Alternative Pad Plan 12 4 6 General Installation 13 5 Operation 14 5 1 Loading 15 6 Maintenance Repair 15 6 1 Maintenance Devices 16 6 2 Periodic Maintenance 17 6 2 1 Weekly M...

Page 3: ...mation 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 9 5 Hydraulic Arrangements 24 9 5...

Page 4: ...llowing precautions shall be taken as applicable 1 Remove the load from the load enclosure 2 Lower the platform to the full down position 3 Relieve system pressure from all circuits before loosening o...

Page 5: ...ffecting the operation of the machine 4 Factors affecting stability 5 The purpose of placards and decals 6 Workplace inspection 7 Safety rules and regulations 8 Authorization to operate 9 Operator war...

Page 6: ...isor any problem s or malfunction s that become evident during operation The operator shall ensure all problems and malfunctions that affect the safety of operations are repaired prior to continued us...

Page 7: ...ed will result in death or serious injury Indicates a hazardous situation that if not avoided could result in death or serious injury Indicates a hazardous situation that if not avoided could result i...

Page 8: ...Southworth Products DDL Dock Lift Manual 8 3 1 Label Location Diagram BK LD TAG SOUTHWORTH 5900158...

Page 9: ...g using the maintenance device See Maintenance Devices section Use appropriate lifting device to lift the machine Use a load spreader to lift the machine Lift the machine using the provided lifting ey...

Page 10: ...HIND CURB FRONT OF PIT ALIGNED WITH CONCRETE ANCHORS TO BOLLARDS TO BE CENTER LINE OF FROM EACH END 12 O C WITH ONE 3 1 2 X 6 LOCATED PREVENT STANDING WATER PIT DRAIN AS REQUIRED TO BE IN PIT BY CONTR...

Page 11: ...5 6 12 7 1 2 57 6 2X 54 96 PAD NOTES CROSS HATCHING INDICATES AREAS OF BASE FRAME THAT MUST BE SHIMMED AND OR GROUTED AFTER LEVELING OF THE BASE FRAME TO ENSURE PROPER BASE FRAME SUPPORT CONDUIT RUN...

Page 12: ...S WITH NO CONDUIT ROUTING PROVIDED 7 1 2 6 ANCHORS 57 FILLED WITH CONCRETE TYP BY CONTRACTOR 8 STEEL PIPE 96 PAD 72 PAD FRAME 78 9 7 1 2 5 2X 54 BASE 6 NOTES IF SUMP IS NOT USED THE BASE FRAME MUST BE...

Page 13: ...and engage the maintenance device See the Maintenance Devices section Ensure the roller end of the platform is not is not lifted off of the upper rollers 5 Remove the eye bolts and save them for futu...

Page 14: ...ic hoses and connections wiring and electrical connections and other components for proper installation and damage 14 Cycle the lift to test function If platform does not begin to raise after a few se...

Page 15: ...WN button on the controls Release the button when the platform is at the desired height 5 1 Loading All loads should be centered on the platform Uneven loading can lead to excessive wear or damage Alw...

Page 16: ...achine is supported by the maintenance device s Continue to hold the down button for five to ten seconds after the platform stops to relieve hydraulic system pressure 6 Disconnect electrical supply an...

Page 17: ...E lubricant to non greased pivot points or rollers Inspect the appearance of the hydraulic fluid The fluid should be transparent and clear of debris Inspect all hydraulic hoses and fittings Repair or...

Page 18: ...atform See General Installation Section numbers 1 5 2 Attach chains straps and load spreader to the lifting eyes 3 Using an appropriate lifting device slowly pull the chains straps until they are taug...

Page 19: ...arranty The warranty for repair parts is 30 days from date of shipment Parts replaced under warranty are on a charge credit basis We will invoice you when we ship the replacement part then credit you...

Page 20: ...t Customer Service for procedure Down valve may be energized Check the solenoid with a volt meter Cylinder may be leaking Check for fluid leaks Lift will not lower Down valve may not be energized Chec...

Page 21: ...Phase Frequency Full Load Amp Required Supply Fusing 460 3 60 4 6 AMP 230 3 60 8 12 AMP 208 3 60 8 4 12 AMP M1 1 2 3 5 Sol DOWN VALVE SOLENOID 2 HPU MOTOR STARTER M1 OL 2 3 5 L1 L1 L3 L2 FUSED DISCON...

Page 22: ...ONNECT L1 TO 208 230 460 3 60 SUPPLY VOLTAGE SEE 96 ELECTRICAL INFORMATION SECTION 1 2 3 4 5 6 VOLTAGE FROM FUSED DISCONNECT BY CUSTOMER JUMPER A ENSURE PROPER FUSES ARE USED AND OVERLOAD RELAY IS ADJ...

Page 23: ...draulic Power Unit 9 4 Hose Specifications ADJUSTABLE FLOW TO LIFT BREATHER CONTROL PANEL PUMP PRESSURE LINE MOTOR DOWN SOLENOID VALVE CONTROL REMOVE PLUG AND REPLACE WITH VENT LINE ELBOW AND CONNECT...

Page 24: ...achine is installed in a pit pad without an under lift conduit run for routing hydraulic hoses and electrical wiring ROLLER END FROM HPU LINE COUPLINGS FOR PRESSURE EXCESS FLOW VENT LINE CONNECTIONS P...

Page 25: ...a s Proposition 65 Southworth Products makes no warranty or representation with respect to the compliance of any product with other State or local safety or product standard codes and any failure to c...

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