Hydraulic Dock leveler Manual
Contents
1. 13 20 im Ar ary A E T E CES 1 1 la A tt E mee eeu e poem F j P f 1 0 HS 0 HS I 0 lt 01 H s I 0 0 0 0 I Lm RT e eee D 0 0 0 0 0 0 2 Eel ey iyi lp ls L 0 0 f l A Lirri BRACKET B SHIPPING BOLT Fic 5 When the machine is placed in a pit floor and firmly anchored to it with 4 expansion bolts Use the data in the table below as a guide Length Outer diameter Length Depth 5 OPERATING INSTRUCTIONS A warning gt Stay clear of dock leveller when freight carrier is entering or leaving dock area gt Do not raise or lower the dock leveller if anyone is under or in front of leveller Keep hand and feet clear of pinch pints Avoid putting any parts of your body near moving parts Do not active the dock leveller until the truck trailer is positioned squarely against the bumper and the truck wheels are chocked Do not use the dock leveller if the freight carrier is too high or too low as Fic 6 Never remove the wheel chocks until loading an unloading is finished and truck driver has been given the permission to leave p 14 20 FIG 6 The work range of EP dock leveller is 12 inch 300mm 5 1 Controls Buttons on Hydraulic Dock Levelers ON Press down to switch the power ON OFF Press down2. Y 3 3 Hydraulic system The Hydraulic Dock Leveler contains the required hydraulic oil and hydraulic settings have been installed at the factory note Do not alter the settings of the hydraulic system do not adjust the hydraulic pressure p 9 20 HYDRAULIC SYSTEM DIAGRAM Fic 2 1 Adjustable relief valve 5 Control valve 2 Unidirectional inserted valve 6 Adjustable throttle valve 3 Reversing valve 7 Electric motor 4 Throttle valve 9 Oil pump 3 4 Electrical system hydraulic dock levelers 3 4 1 Connection AN warnings gt Only a certified electrician may carry out the electrical installation of the Hydraulic Dock Levelers gt Ensure good grounding of the switch box All wiring is in place Attach a plug to the feeder cable the Hydraulic Dock Leveler is not fit to be directly connected to the mains note The components in the switch board such as contactors and power supply function at this voltage rate only and the AC engine was construed to function in the voltage which you can find on the type plate p 10 20 3 4 2 Testing Switch the power ON briefly in order to verify whether the engine rotates in the direction marked by the arrow In order to reverse the engine switch two phases When the ON button in the control box is inserted the START button can be activated 1 Switch power ON by pressing the ON button 2 Press the START button constantly to activate the Main cylinder an
3. are sensitive to moisture Apply an anti corrosive agent to parts that rust easily 8 MAINTENANCE INSTRUCTIONS 8 1 Important advice In order to keep your Dock Levelers in a safe and optimum condition for as long as possible it is important to make sure repair reports are carefully updated Always keep a daily maintenance book with the Dock Leveler see Annex This must be updated at the interva Is determined by the operator s maintenance procedures i e daily weekly etc A warning gt gt gt gt Lol No gt gt Before starting maintenance or repair work read the safety measures in Chapter 4 and cut the power Your Dock Levelers must only be maintained by trained and authorized personnel Check the Dock Levelers daily before start up Never use a Dock Leveler with a fault Always post safety warning and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveller before maintenance is complete Failure to do this may result in serious personal injury or death Always stand clear of the dock leveller lip when working in front of the dock leveller Failure to do this may result in serious personal injury or death The platform maintenance prop must be in the serve position when working under the dock leveller as Fic 12 te Repair faults immediately Only use original spare parts or parts of equivalent quality All spent lubricants and waste product
4. Delta Hydraulic Dock Leveler USER MANUAL DELTA EQUIPMENT CO LTD 2004 All rights reserved HOANGCHUONG ENERGY SAVING SOLUTION www hoangchuong com vn Tel 08 6264 6297 Only install or operate after reading manual in detail CONTENTS 1 INEHODUG TION WE 3 SEKRET R 3 3 GENERAL DESCRIPTION OF THE MACHINE 7 4 INSTALLATION E 12 5 OPERATING INSTRUCTIONS 14 D TRANSPOR F ea 16 JE elTc lee 17 8 MAINTENANCE INSTRUCTIONS 17 ANNEX I DAI LY CHECKLIST 19 ANNEX II TROUBLESHOOTING Hydraulic Dock Levelers 20 p 2 20 1 INTRODUCTION Please read this manual carefully before starting operating repairing or maintaining the Dock Levelers The manual describes the installation functioning repair and maintenance of your Dock Levelers as well as its use and the safety measures and precautions to be taken Contact EP if you require more information The operator and maintenance staff should read this manual and follow training before working with this machine Keep this manual throughout the service life of the Dock Levelers The operator and all persons who come into contact with the Dock Levelers should read it regularly and have access to it at all times Failure to comply with the safety instructions and warnings in this manual could result in serious injury to the
5. RS ID DATE Checkpoints OK not OK 1 Control Panel Button Power 2 Hydraulic System oil level in tank oil pressure oil leaks 3 Electrical system Operator remarks DELTA SERVICE amp REPAIR DIVISION Remarks p 19 20 ANNEX II TROUBLESHOOTING Hydraulic Dock Levelers If your Hydraulic Dock Levelers will not work the following guidelines could be of use Never use your Hydraulic Dock Levelers until the fault has been solved Contact EP if you wish further advice FAULT POSSIBLE CAUSE SOLUTI ONE Motor can not work Deck can not rise and lip can not kick out Stop working immediately A Deck have not raised to the top height the lip kick out No switch on power or lack phase The electric appliance contact not well or damaged The motor opposite rotation The oil suction enough The oil high The pressure of the valve is low suction pipe or the oil mesh jam or oil not viscosity is excessively reversing Put through the power Inspect whether the electric appliance all work well Correct the rotation direction Clean the jam or add oil Change the oil Adjust the pressure of the reversing valve Lip cant retract well The hinge joint not flexible enough Add butter at the hinge joint p 20 20
6. d the deck rise slowly until reach the top height If you press the START button all the time the Lip cylinder will be activated after the deck reach the top Then the lip will extend 3 Free the START button the deck will fall down and the lip keep silent If you Press the START button again the lip will retract slowly Free the START button again when the lip retract completely and the deck will fall down and back to the original position 4 Press the OFF button the power should be cut off immediately Unplug the Hydraulic Dock Levelers ELECTRIC SYSTEM DIAGRAM AC CIT Sei Ste Sa Ah AB A fA UL UE Fic 3 M3 3 phase asynchronous motor KM Contactor QF Breaker TC Transformer SB Button FU Fuse FR Hot relay p 11 20 4 INSTALLATION 4 1 Prepare pit Dimensions for Pit Dim A width Dim C length Dim B depth Dim B depth rear front Dim A width Dim C length Dim B depth Dim B depth width x length rear front 2000mm x 3000mm 2060mm 3150mm A Di sTANCE Pi T B DisTANCE DECK FLOOR C Di sTANCE PIT D DisTANCE PIT CORNER WIDTH FRONT AND TO FLoor ALL Four LENGTH BOTH SIDES TO CORNER REAR CORNERS OF PiT BOTTOM AND BOTH SIDES Fic 4 p 12 20 A Warning Post safety warning and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveller before installation has been complet
7. ed Warning Only trained installation professionals with the proper equipment should install this product Warning Do not remove the shipping bolts fixed on the dock leveller lip until instructed to do so Before lowering the dock leveller into the pit the following must be performed 1 Remove all debris from the pit and sweep the pit clean 2 Check the entire dock leveller pit for proper construction according to approved certified pit drawing Make sure pit is square by making the following measurements gt Measure pit width distance A at both front and rear of pit Measure dock floor to pit floor distance B at all four corners Measure pit length distance C at both sides Measure corner to corner cross cross distance D at both sides Take measurements at dock floor level and at pit floor level 4 2 Installation EP dock levellers are designed with installation in mind Each unit is shipped with lifting bracket A fastened to the platform side joists Using a lifting device and chains with the appropriate lifting capacity and reach Always use the lifting brackets whenever lowering or lifting a dock leveller into or out of a pit Before lifting remove any bumpers that may be banded or bolted to the frame of the dock leveller A Warning Do not remove the shipping bolts B fixed on the Dock Leveller lip and frame this time The shipping bolts are needed to hold the leveller together during the installation process p
8. ing never allow people near the Dock Leveler when you are carrying out work gt provide additional illumination if the visibility in the working area is restricted Consult your prevention adviser if desired p 3 20 2 4 Operational Satety Precautions A Warning 2 4 2 Do not move or use the dock leveller if anyone is under or in front of it 2 4 3 Keep hands and feet clear of pinch pints Avoid putting any part of your body near moving parts TOA 2 4 4 Chock restrain all freight carriers Never remove the wheel chocks until loading or unloading is finished and truck driver has been given permission to drive away p 4 20 2 4 5 Do not use a broken or damaged dock leveller Make sure proper service and maintenance procedures have been performed before using muc mia I 2 4 6 Make sure lip overlaps onto trailer at least 4 in 100mm 2 4 7 Keep a safe distance from both side edges p 5 20 2 4 8 Do not use dock leveller if freight carrier is too high or too low Ten Le p ER 2 4 9 Do not overload the dock leveller 2 4 10 Do not operate any equipment while under the influence of alcohol or drugs p 6 20 2 4 11 Do not leave equipment or material unattended on dock leveller 2 5 Safety symbols All warning symbols and labels should remain legible at all times Please note the following gt fo clean label use only a damp cloth and a mild soa
9. m 3 6 amp 7 the electrical control box etc The hydraulic power unit consists of the oil pump the electric motor the oil tank the relief valve and the reversing valve Fic 1 3 2 Technical features EP Hydraulic dock levellers are available in the following sizes Width eft 1830mm 1800mm 7ft 2110mm 2000mm Legnth eft 1830mm 2000mm aft 2210mm 2500mm 10ft 2820mm 3000mm Capacity 25000165 12000kg 30000165 14000kg 35000lbs 16000kg Special needs available 1 Lip 2 Lip Hinge 3 Lip Cylinder 4 Deck 5 Toe Guard Plate 6 Hydraulic Power Unit 7 Main Cylinder 8 Frame capacities and options p 8 20 The technical features of Hydraulic Dock Levelers listed below Its main features can be found on the type plate located the front bottom of the Dock Levelers DE 12HE 1820 DE 25HA 6 8 DE 12HA 2025 DE 25HA 7 8 Model DE 14HE 1820 DE 30HA 6 8 DE 14 HA 2025 DE 30HA 7 8 DE 16HE 1820 DE 35HA 6 8 DE 16HA 2025 DE 35HA 7 8 2 12000KG 25000LB 12000KG 25000LB Capacity 14000KG 30000LB 14000KG 30000LB 16000KG 35000LB 16000KG 35000LB 1 3 Platform Size 1800x2000mm 2000x2500mm 2235565 4 Overall Size 72 x87 6 x 8 83 x87 7 x 8 10 Oil tank 5L capacity 11 Input voltage Available in all standard single and three phase voltage 12 Protection IP 23 degree IPXXX 13 System 16 MPa pressure The height means the height in lowered position a
10. operator or other persons in the vicinity of the machine Dangers to people are indicated as follows N warning Points for consideration for the proper operation and long service life of your Dock Leveler are indicated as follows note People with responsibility for the safe and proper operation of this Dock Levelers must use the procedures working practices that are described in this manual 2 SAFETY WARNINGS While working with the Dock Leveler the person who is responsible for supervising the operation environment should take the necessary organizational measures to guarantee the employees health and safety as required by local legislation This includes 2 1 Appointment of authorised personnel Authorised personnel are staff who are permitted to operate a Dock Leveler according to local statutory requirements and are appointed within the company to do this 2 2 Definition of danger zone The danger zone is the area within which people may be at risk from the movements of the Dock Levelers Only the operator of the Dock Levelers may be in the danger zone 2 3 Prevention of injury Operating procedures and instructions should be introduced that as far as reasonably practicable prevent the risk of injury to persons in the working area of the Dock Leveler These include never make adjustments to the machine if you are not trained and authorized to do so avoid making adjustments to the machine when the machine is mov
11. p solution do not use solvents petrol strong detergents etc gt feplace damaged and or illegible labels contact EP for new labels gt feplacement parts must be provided with labels identical to those on original parts Meaning of the symbols a Read the manual before starting operating repairing or maintaining the Dock Levelers A Risk of electric shock 3 GENERAL DESCRIPTION OF THE MACHINE The Dock Leveler is the special equipment for the cargo loading and unloading let the operation of the material handling equipments are not influenced by the different height of trailer bed with the platform such as the forklift it may drive into the trailer compartment to carry on the handling operation directly it only requires a single person to complete the process of loading and unloading cargo fast and safely It can help reduce a lot of the labor cost improve working efficiency by many times obtain the better economic efficiency it is indispensable to the modern warehouse necessary EP Hydraulic Dock Levelers offer high performance minimal maintenance and increased Safety for today s high volume loading dock area Easy to operate hydraulic system incorporates pushbutton control for both deck and lip operation powered by a Self contained 0 75kw 1 25hp maintenance free power pack p 7 20 3 1 Components The Hydraulic Dock Leveler See Figures 1 is composed of the deck 4 the frame 8 the Lip 1 and the hydraulic syste
12. s must be disposed of in line with local environmental laws and controls e g waste oil used batteries worn parts etc It may be useful to consult the Troubleshooting Guidelines in Annex Il p 17 20 Contact EP Service amp Repair Division if you have any technical questions or if your Dock Leveler has a complex fault Identify your Dock Leveler by quoting the EP number on the type plate so that we can help you as quickly as possible 12 8 2 Maintenance and Inspections 8 2 1 Inspection before each use Check the grounding of the electrical box make sure that the cable and electrical equipment function and take the maintenance measure in time Ensure the hydraulic pressure station pipeline the pipe joint cla mps connect well and no oil leak Solve the problem in time and keep the working area clean 8 2 2 Periodic inspection 8 2 21 Electrical maintenance If a light does not illuminate or an electrical part does not work the fuse may have blown Check the fuses in the electrical equipment box note S Use a fuse with the same current rating as the fuse that has blown FU1 1A FU2 0 3A If the same fuse keeps blowing this points to another fault Contact EP 8 2 2 2 Hydraulic maintenance Replace the hydraulic oil every 6 months and clean out the oil tank p 18 20 ANNEX I DAILY CHECKLIST Report and repair defects before putting the dock levelers into service OPERATOR DOCK LEVELE
13. to switch the power OFF START Hold the button down to raise the deck Free the button to lower the deck 5 2 Operating the Dock Levelers D Switch power ON by pressing the ON button Press the START button constantly to activate the Main cylinder and the deck rise slowly until reach the top height 2 Then the Lip cylinder will be activated and the Lip kick out Fic 8 Gy Free the START button the deck will fall down and the lip keeps silent and reach the trailer bed Now the operator can take the loading and unloading operation p 15 20 Fic 9 4 After finishing the loading and unloading operation Pressing the START button and the deck rise to top again then free the START button Pressing the START button again while deck falling down the lip will retract slowly Free the START button again when the lip retracts completely and the deck will be back to the original position Fic 10 D Press the OFF button and unplug the Hydraulic Dock Levelers 6 TRANSPORT With forklift truck drive the forks of the forklift truck into the fork slots at the rear of the Dock Levelers With crane lift the dock leveler by lifting bracket As shown on the 11 p 16 20 Fic 11 note W at hen use forklift truck to transport the Dock Leveler please notice the fork slots is rear position DO NOT drive fork from the sides of Dock Leveler 7 STORAGE Cover components that
Download Pdf Manuals
Related Search