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Bigab 17-20 Original Instruction

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v2.2 - 2024 - EN
Original Instruction
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  • Page 1 www.forsmw.com v2.2 - 2024 - EN Original Instruction Instruction manual...

  • Page 2: Table Of Contents

    17–20 17-20 Original instruction Table of contents INTRODUCTION ........................2 1.1. PURPOSE ..........................2 1.2. TECHNICAL SPECIFICATIONS ..................3 1.3. DESIGN OF THE DEVICE ....................4 1.4. MAIN MODULES ....................... 5 1.5. SAFETY DEVICES ......................13 INSTALLATION ........................19 2.1.

  • Page 3: Introduction

    The flexibility lays in its ability to handle different kinds of loads on one and the same chassed. This allows the Bigab to be used at a wide range of different user applications.

  • Page 4: Technical Specifications

    17–20 17-20 Original instruction 1.2. TECHNICAL SPECIFICATIONS Technical specifications. Table 1. Hooklift trailer 17-20 250*100 Frame:Hollow sections Axle distance between wheels: Axel distance 1470 mm Bogie type: Suspension bogie Hubs: 100*100, 10 bolts Wheels: 600/50-22,5 Brake: Hydraulic drum 400*120 on 4 wheels...

  • Page 5: Design Of The Device

    17–20 17-20 Original instruction 1.3. DESIGN OF THE DEVICE The Trailer is constructed out of cold hollow steel sections. Through this construction the trailer receives maximum endurance and stiffness regarding both bending as well as twisting. The trailer is steady both in the tip as well as in the changing movement. The trailer is equipped with a spring suspension pendulum bogie that has been equipped with brakes on all wheels.

  • Page 6: Main Modules

    17–20 17-20 Original instruction Figure 1. Design of the device 1.4. MAIN MODULES The trailer consists of the following subassemblies and functional devices. 1.4.1. Chassis Chassis is constructed out of cold hollow steel sections. Guide Towing eyelet Spring suspension pendulum bogie brackets...
  • Page 7 17–20 17-20 Original instruction 1.4.2. Back frame Back frame is constructed out of cold hollow steel sections Frame Figure 3. Back frame 1.4.3. Hook frame The hooking frame is constructed from cold hollow steel sections Hook Flexible tower Cylinder Frame Figure 4.
  • Page 8 17–20 17-20 Original instruction 1.4.4. Bogie The trailer is equipped with a spring suspension pendulum bogie that has been equipped with brakes on all wheels. Mounting bracket Brake lever Axle with brake Figure 5. Bogie 1.4.5. Hook The Trailer is equipped with adjustable hook for two different standard heights.
  • Page 9 17–20 17-20 Original instruction 1.4.6. Parking support leg Hydraulic support leg is designed to be of supporting use when the trailer is under maintenance, when trailer is not in use or when connecting / disconnecting trailer. Before driving the support leg must be lifted up and fixed with the pin.
  • Page 10 17–20 17-20 Original instruction 1.4.7. Changing operation unit This unit is designed for changing operation from rolling on - rolling off to tipping. Unit is located on the left side of the trailer. Hook frame Changing operation unit Back frame...
  • Page 11 17–20 17-20 Original instruction 1.4.8. Towing eyelet The eyelet is used to hitch the trailer to the pulling vehicle. It is extremely important that the towing eyelet is checked for defaults every time the trailer is used. The towing eyelet needs to be replaced at least once a year.
  • Page 12 17–20 17-20 Original instruction 1.4.10. Steering rollers The steering rollers are designed to guide the container. During handling roll on – roll off the container frame must be inside the rollers. Steering roller Steering roller Chassis Figure 12. Steering rollers 1.4.11.
  • Page 13 17–20 17-20 Original instruction 1.4.13. Wheels Wheels for different trailer types Table 2. Trailer type Standard wheel type Alternative wheel Air pressure Speed type (bar) (km/h) 17-20 600/50R-22,5 445/65R-22,5 385/65R-22,5 600/55-22,5-12PR 1.4.14. Hydraulic system The trailer is equipped with a hydraulic system for working movements. See chapter 3.5 1.4.15.

  • Page 14: Safety Devices

    17–20 17-20 Original instruction Table 3. Function description Tipping / Rolling Foldable tower / Telescope Changing operation unit Bogie lift Extra Extra 1.5. SAFETY DEVICES 1.5.1. Security post Always use the safety support when carrying out service work in the tipped position. The safety support may not be used under any circumstances when the container bridge is loaded.
  • Page 15 17–20 17-20 Original instruction Figure 16. Location of the decals on the trailer 1.5.3. Presentation of decals Figure 17. Warning triangle and instruction manual decal. The trailer is supplied with a warning triangle alongside the instruction manual decal in order to reinforce the requirement for the user to read the entire instruction manual carefully before starting to use the trailer.
  • Page 16 17–20 17-20 Original instruction There is a risk of clamping or crushing injuries during work and maintenance. Figure 20. Hazardous area Standing between the trailer and the towing vehicle when the trailer is being operated, moved with frame steering or when other functions are activated between trailer and tractor, can be potentially fatal.
  • Page 17 17–20 17-20 Original instruction Figure 24. Use the safety support during all service Leaning under the raised frame is absolutely prohibited unless it is blocked with the safety support. Under no circumstances may the trailer be carrying either a load or a container when using the safety support.
  • Page 18 17–20 17-20 Original instruction Figure 27. Tyre inspection The tyres must be tightened and the brakes checked regularly at a minimum interval of 40–50 kilometres. Figure 28. Lubrication. This decal is used to show the importance of regular lubrication of the trailer.
  • Page 19 17–20 17-20 Original instruction Thread Flat discs Screwed connection Screw Class. 8.8 disc/rim on track adjustable wheels M18x1,5 260-330 Figure 30. Lubricate points. All of the hydraulic hoses of the trailer are marked with colored labels. See table below for more detailed information.

  • Page 20: Installation

    17–20 17-20 Original instruction Marking for hydraulic hoses Table 5. Color mark Function Yellow Brake Tipping cyl. ( up ) Blue Tipping cyl. ( down ) Tower ( front ) Blue Tower ( back ) Telescope ( in ) Blue...

  • Page 21: Functional Description

    HANDLING IN ROLL ON – ROLL OFF DANGER AREAS If your BIGAB is equipped with suspension there is no bogie blocking. A danger zone exists around the trailer when in use during hooking and tipping. To ensure Exchange and tipping must be operated from the operator’s seat in the towing vehicle! that no persons enter this danger zone, the minimum safety distance must be observed.

  • Page 22: Handling In Roll On - Roll Off

    3. FUNCTIONAL DESCRIPTION 3.1. HANDLING IN ROLL ON – ROLL OFF If your BIGAB is equipped with suspension there is no bogie blocking. Exchange and tipping must be operated from the operator’s seat in the towing vehicle! Figure 1 Ensure that the position selector...
  • Page 23 17–20 17-20 Original instruction STOP Figure 3 Stop if the tractor lifts off the ground! Check that the hook hitches around the loop. Check that the frame lock and bogie blocking are On-loading! activated. Ø Check that the load carrier is inside the discs. Release the brakes on both the towing vehicle and the trailer to make it easier to roll on the load.

  • Page 24: Handling In Tipping

    17–20 17-20 Original instruction 3.2. HANDLING IN TIPPING Note! For the models mentioned in this instruction manual, the maximum container bridge length is 6.0 m during tipping. Ensure that the towing vehicle and the trailer are securely coupled before tipping.

  • Page 25: Operation When Driving

    Max. load upwards in kg BIGAB 17 - 20 4150kg Max. load distributed evenly over the container. Max. load downwards in kg...

  • Page 26: Electrical System

    17–20 17-20 Original instruction 3.4. ELECTRICAL SYSTEM 3.4.1. Basic electrical system The trailer is manufactured with 12V electrical system. Configuration depends of options, example reversing light, border light or additional cable connector. 7 pool connection to pulling vehicle Figure 32. Electrical diagram Electrical components.

  • Page 27: Hydraulical System

    17–20 17-20 Original instruction 3.4.2. Electrical on - off system The electrical on-off is manufactured with 12V electrical system. Configuration depends of options. Figure 33. Electrical diagram Table 8. Pos. Art. No. Title 915181E Electric on-off control unit 91581CS Cable set...
  • Page 28 17–20 17-20 Original instruction Figure 34. Hydraulic system. Hydraulic components Table 9. Pos. Art.no. Title 915025 Valve block AL manifold 37915200 Blanking plate 940345 4/3 Directional Control Valve 940325-1 4/3 Directional Control Valve 915196 4/2 Directional Control Valve 940240 Pressure Relief valve...
  • Page 29 17–20 17-20 Original instruction 915147 Hydraulic lock FMWH20322 H-hose FMWH20323 H-hose FMWH20324 H-hose FMWH20325 H-hose FMWH20326 H-hose FMWH20327 H-hose FMWH20328 H-hose FMWH20329 H-hose FMWH20330 H-hose FMWH20331 H-hose FMWH20332 H-hose FMWH20333 H-hose FMWH20336 H-hose FMWH20337 H-hose FMWH20338 H-hose FMWH20339 H-hose FMWH20340...

  • Page 30: Safety Instructions

    17–20 17-20 Original instruction 3.5.2. Frame lock hydraulic system Figure 35. Frame lock hydraulic system. Hydraulic components for frame lock Table 10. Pos. Art. No. Title 313134 Cylinder 90/40-300 915275 Manometer 915271 Pilot operated check valve 915266 Pressure reducing/relieving valve...

  • Page 31: General

    17–20 17-20 Original instruction DURING TRANSPORTATION. MAKE SURE THAT ALL WARNING SIGNS LABELS AND TAPES ARE IN THE APPROPRIATE PLACES. THE TOWING EYELET MUST BE CONTROLLED FOR DEFAULTS EVERY TIME BEFORE THE TRAILER IS USED. THE TOWING EYELET NEEDS TO BE CHANGED AT LEAST ONCE A YEAR.
  • Page 32 17–20 17-20 Original instruction • Never attempt to localize a leakage from hoses or connections by feeling with hand. The high-pressure oil jet can penetrate skin and cause serious burns and damages. High- pressure oil is also highly flammable. • Avoid getting oil into eyes. Use safety goggles and gloves. If oil has got into eyes flush them with cool water and immediately contact a doctor.

  • Page 33: Working At Extreme Conditions

    4.2. WORKING AT EXTREME CONDITIONS Recommended working temperature range for a Bigab trailer is –30°C up to +40°C. Note that working at low temperatures accelerates hydraulic gaskets wearing and increases hydraulic hoses exposure to damages and steel constructions exposure to brittle fracture. When working at lower temperature than recommended, lift lighter loads than usual.

  • Page 34: Maintenance Operations

    17–20 17-20 Original instruction • Attempt to localize the defects as clearly as possible; you should have to avoid opening the system unnecessarily. • Keep disassembled parts and repair area protected from dirt. • Keep spare parts in their packages until needed for installation.
  • Page 35 17–20 17-20 Original instruction During maintenance: • Be sure that the trailer is standing on a flat surface. • Be sure that the trailer can’t move. • When lubrication or servicing the trailer, turn off the vehicle engine. • Be sure that the trailer can’t slip when you using support leg, jack or similar equipment.
  • Page 36 17–20 17-20 Original instruction • Open the pistons lock nut. • Screw the piston off. • Withdraw the guide piece from the rod. • Change the guide piece seals; make sure that the piston rod seal is the right way round, i.e.
  • Page 37 BIGAB models 12 – 15, 15 – 19, 17 - 20 and 20 – 24 – the brake show distance to the drum on the brake cylinder needs to be adjusted through loosening or vice versa tightening the adaptable screw on the brake.
  • Page 38 17–20 17-20 Original instruction 5.2.8. Lubrication Recommended lubrication cycle is once per week or after 20 working hours. Lubricate points equipped with grease nipples by using a grease gun. See chapter 5.1 for recommended lubricants. • Ensure regularity of lubrication by following the lubricating schedule.

  • Page 39: Spare Parts

    17–20 17-20 Original instruction 5.3. SPARE PARTS 5.3.1. Back and Hook frames Figure 39. Cylinder coupling Figure 40. Back and hook frame coupling 5, 7 6, 7 Figure 41. Flexible tower AS Fors MW V2.1-2018/W51-en www.forsmw.com www.forsmw.com...
  • Page 40 17–20 17-20 Original instruction Back and rolling frame spare parts Table 11. Pos. Art. No. Description Note 37211111 Axle 37211183 Distance ring 37211110 Axle 37211112 Axle 37211115 Axle 37211120 Axle 37211180 Distance ring 5.3.2. Bogie Figure 42. Spring suspension bogie Spring suspension bogie spare parts Table 12.
  • Page 41 17–20 17-20 Original instruction 5.3.3. Frame locking Figure 43. Frame lock Frame locking spare parts Table 13. Pos. Art. No. Title 391519 Hydr. frame lock system 37121520 Link 37121525 Link 37121530 Link 37121535 Support 37121522 Axle 37121527 37121532 37121532 37024378...
  • Page 42 17–20 17-20 Original instruction 5.3.4. Steering rollers 1, 3 1, 3 Figure 44. Steering roller spare parts Rollers spare parts Table 14. Pos. Art. No. Description Note 320340/320341 Roller comp. (left, right) 37203045 Axle 909115 Slide bearings Ø100 320360 Tipper axle 5.3.5.
  • Page 43 17–20 17-20 Original instruction Changing operating unit spare parts Table 15. Pos. Art. No. Description Note 37211007 Changing unit compl. 913230 Operation changing cylinder 37211787 37211788 37211789 Axle 37211790 Lever 37211791 Pusher 913640 End of stroke valve 37211792 Axle 37211793 Axle 5.3.6.
  • Page 44 17–20 17-20 Original instruction For frame lock hydraulic diagram see chapter 3.4.2 Frame lock hydraulic components spare parts Table 17. Pos. Art. No. Title 313134 Cylinder 90/40-300 37313940 Sealing kit for hydraulic cyl. 90/40 37313942 Front bush for hydraulic cyl. 90/40 37313944 Piston for hydraulic cyl.
  • Page 45 17–20 17-20 Original instruction Sealing Included in sealing kit O-ring Included in sealing kit O-ring Included in sealing kit Sealing Included in sealing kit Sealing Included in sealing kit Locking ring Locking ring Included in sealing kit Locking ring Included in sealing kit...
  • Page 46 17–20 17-20 Original instruction 940825 4-way valve 940830 Valve block 940835 4-way valve 915181E Electric on-off control unit 91581CS Cable set 91581ES Electrical switch 91581RP Rubber protection 915181CC Cable connector 1; 2; 3 Figure 48. Electrical on – off system AS Fors MW V2.1-2018/W51-en...

  • Page 47: Troubleshooting

    17–20 17-20 Original instruction 5.3.10. Other parts Figure 49. Other spare parts Other spare parts Table 20. Pos. Art. No. Description Note 930105 Grease nipple 920120 Towing eyelet 37221002 Hook 920822H Hydraulic Support leg 37203085 Security post 37203181 Rear lamp compl. with bracket...

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