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Table of Contents

1
INTRODUCTION ...................................................................................................... 2
Company presentation .......................................................................................... 2
Product presentation ............................................................................................. 2
2
TECHNICAL SPECIFICATIONS .................................................................................. 3
3
DIMENSIONAL DIAGRAMS ..................................................................................... 4
4
GENERAL DESCRIPTION .......................................................................................... 5
5
MAIN COMPONENTS.............................................................................................. 6
6
SAFETY FEATURES ................................................................................................ 15
Safety support ...................................................................................................... 15
Location of the decals on the trailer .................................................................... 15
Presentation of decals ......................................................................................... 16
7
COUPLING/UNCOUPLING THE TRAILER ............................................................... 21
Safety aspects when coupling/uncoupling .......................................................... 21
COUPLING TO TRACTOR ....................................................................................... 22
8
DRIVING THE TRAILER .......................................................................................... 23
Safety aspects when driving ................................................................................ 23
ROAD DRIVING INSTRUCTIONS ............................................................................ 24
Load on towing eyelet and coupling .................................................................... 25
Working under extreme conditions ..................................................................... 26
EXCHANGE MECHANISM ..................................................................................... 27
9
EXCHANGE OPERATION ....................................................................................... 28
Safety aspects during exchange operation .......................................................... 28
Exchange procedure ............................................................................................ 29
10 TIPPING OPERATION ............................................................................................ 32
11 WIRING DIAGRAM ................................................................................................ 33
12 HYDRAULICS CHART ............................................................................................. 36
13 CARRYING OUT SERVICE/MAINTENANCE ............................................................ 37
14 MAINTENANCE/SERVICE ...................................................................................... 39
15 SPARE PARTS ........................................................................................................ 46
16 TROUBLESHOOTING ............................................................................................. 53
17 EC DECLARATION (sample) .................................................................................. 54
CONTACT INFORMATION:
Factory:
AS FORS MW
Tule 30
765 05 Saue
Estonia
Tel: + 372 679 00 00
Fax: + 372 679 00 01
E-mail:
info@forsmw.com
© V7.1-2015W42-en
Aftermarket:
We speak English and Swedish.
FMW Farma Norden AB
Hornsväg 2
SE-605 97 Norrköping
Sweden
Tel: + 46 (0) 11 657 70
Fax: + 46 (0) 11 283 70
E-mail:
Fors MW Ltd
aftermarket@forsmw.com
www.forsmw.com
22-27
1

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Summary of Contents for Bigab 22-27

  • Page 1: Table Of Contents

    22-27 Table of Contents INTRODUCTION ...................... 2 Company presentation ..................2 Product presentation ..................... 2 TECHNICAL SPECIFICATIONS .................. 3 DIMENSIONAL DIAGRAMS ..................4 GENERAL DESCRIPTION ..................5 MAIN COMPONENTS....................6 SAFETY FEATURES ....................15 Safety support ...................... 15 Location of the decals on the trailer ..............15 Presentation of decals ..................
  • Page 2: Introduction

    The 22 – 27 is our largest hook lift trailer. Simple, impressive and powerful are all fitting ways to describe the BIGAB 22 – 27. This is the ideal trailer for transporting particularly heavy loads. For your safety, it is extremely important that you follow the instructions in this instruction manual for your BIGAB model.
  • Page 3: Technical Specifications

    22-27 2 TECHNICAL SPECIFICATIONS Hook lift trailer 22-27 Frame: Rectangular sections 300*100 Bogie: Parabolic sprung triple axles Axle distance 1525 mm 130*130, 10 bolts Hubs: 560/60-22.5 Tyres: Brakes: Hydraulic drum *Depending on 406*120 on 6 wheels market For hitch hook...
  • Page 4: Dimensional Diagrams

    22-27 3 DIMENSIONAL DIAGRAMS © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 5: General Description

    22-27 4 GENERAL DESCRIPTION The trailer is steady when used for both tipping and exchanging. The trailer is equipped with a torsional parabolic spring bogie on three axles with brakes on all wheels. Steering roller Hook Rear frame Hook frame...
  • Page 6: Main Components

    22-27 5 MAIN COMPONENTS The trailer comprises the following principal components and functional devices. Chassis Side support Rear beam Suspension bracket Bracket for frame lock Rear frame Rear frame © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 7 22-27 Hook frame Hook Telescope Hook frame Extended tower 1300 mm Hydraulic cylinder (inside) Bogie The trailer is equipped with a powerful sprung tridem bogie with brakes on all six wheels. Brake cylinder Sprung tridem Axle with brake bogie © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 8 22-27 Hook The trailer is equipped with an adjustable hook for two different heights. Standard height: 1450 Standard height: 1570 Stabiliser leg The stabiliser leg is designed to support the trailer when not in use. The stabiliser leg must not be used when the trailer is loaded. The stabiliser leg must be raised and secured in place with the pin before moving off.
  • Page 9 22-27 Exchange unit The unit is designed for Rear frame the procedure when switching between Hydraulic cylinder tipping and exchange. The lever is located in the middle of the rear frame. Locking bolt Exchange unit container lock The trailer is equipped with a...
  • Page 10 22-27 Drawbar The drawbar is used for coupling other equipment to the trailer. It is also used for attaching the warning triangle. Note! Do not couple excessively heavy loads to the drawbar. The maximum permitted trailer weight is 10 tonnes.
  • Page 11 22-27 Frame lock The hydraulic frame lock is used to lock the frame during heavy exchange operations. When mounting the chain on the tractor for the first time, adjust the length of the chain so that it is slack when the cylinder is half extended.
  • Page 12 22-27 Suspended drawbar Drawbar functions The trailer is equipped with an adjustable drawbar that can be used for the following three functions. Use the position switch on the control unit to regulate the drawbar. Select a function and regulate the pressure with the toggle switch.
  • Page 13 22-27 Tyres List of standard tyres and alternative tyres that are used for the different trailer models. Standard tyres Alternative tyres Air pressure Speed Model (bar) (km/h) 560/60-22.5 22-27 445/65R-22.5 5-10 650/50R-22.5 TL 10B -70 * The air pressure may vary slightly depending on the make of tyre. Contact the tyre manufacturer for exact air pressures.
  • Page 14 22-27 Electric on-off control The trailer is equipped with a hydraulic system that is operated via a control unit. With regard to position 3, it is important to run this function until the signal lights come on. This indicates that the locks have reached their end stop position.
  • Page 15: Safety Features

    22-27 6 SAFETY FEATURES Safety support Always use the safety support when carrying out service work when the trailer bed is raised. The safety support must not, under any circumstances, be used when the trailer bed is loaded. Chassis Safety support Location of the decals on the trailer The trailer is marked with various signs relating to safety and information.
  • Page 16: Presentation Of Decals

    22-27 Presentation of decals WARNING! Warning triangle and instruction manual decal. The trailer has a warning triangle next to the instruction manual decal to emphasis the importance of reading the entire instruction manual carefully before using the trailer. Failure to observe this may result in serious or fatal injury.
  • Page 17 22-27 WARNING! Warning - It is a hazardous movement if the rear end of the tractor lifts Note! This warning label is included in the delivery of your trailer. It must be attached in a conspicuous position in the tractor cab. If you would like more of these labels, they are available to order, free of charge, from our after sales department.
  • Page 18 22-27 INFORMATION! Using the exchange unit Do not operate the exchange unit unless the frame is folded down. During transport with the trailer, the hook must be folded down in the parking position. WARNING! Use the safety support during all service operations It is absolutely forbidden to lean under a raised frame unless it is secured with the safety support.
  • Page 19 22-27 WARNING! Max. pressure on towing eyelet Do not load so much that the pressure on the towing eyelet exceeds the permitted laws and regulations. The trailer is designed for a maximum pressure of 3000 kg on the towing eyelet. The pressure is largely determined by the way the load is distributed on the container bridge, and it is the user’s responsibility to ensure that...
  • Page 20 22-27 Marking of hydraulics All of the hydraulic hoses are marked with coloured labels. See the table below for more detailed information. The functions depend on the configuration of the hydraulic system. Hydraulic hose label (example tipping cylinder) Hose label colors: •...
  • Page 21: Coupling/Uncoupling The Trailer

    22-27 7 COUPLING/UNCOUPLING THE TRAILER Safety aspects when coupling/uncoupling The following must be checked each time before use; Inspect the trailer carefully. Check the air pressure in the tyres. The tyres must always have at least the recommended air pressure. See maintenance/service for more detailed information.
  • Page 22: Coupling To Tractor

    22-27 Do not exceed the maximum loading limit for the model of trailer. See Technical Data for more detailed information. Make sure that the trailer's SMV sign is in place and is clean. Always examine the towing vehicle's parking system before loading. If necessary, secure the wheels by placing chocks or obstacles in front of the wheels.
  • Page 23: Driving The Trailer

    22-27 8 DRIVING THE TRAILER READ THE ENTIRE INSTRUCTION MANUAL BEFORE USING THE TRAILER. CONSULT THE MANUAL IF YOU ENCOUNTER ANY PROBLEMS. THE TRAILER HAS A MANUFACTURING PLATE. BEFORE USING THE TRAILER, MAKE SURE THAT THE FACTORY SETTINGS HAVE NOT BEEN CHANGED AND THAT NO PARTS HAVE COME LOOSE DURING TRANSIT.
  • Page 24: Road Driving Instructions

    22-27 Remember that with a long trailer bed and large overhang, the trailer needs more room to maneuver and turn. WARNING! The trailer may only be driven in transport position. It must never be driven with a raised bed. If you drive with a raised bed, there is a risk of driving into bridges, electrical power lines and other obstacles.
  • Page 25: Load On Towing Eyelet And Coupling

    22-27 NOTE: Reset to floating mode before driving the trailer forward. When steering with steerable axles with a double – active valve with float position from tractor which is standard on 22 – 27, it is imperative to stand still with the trailer when you switch between blocking force controlled axles and floating position on the axles.
  • Page 26: Working Under Extreme Conditions

    Working under extreme conditions The recommended working temperature for a BIGAB dump trailer is –20°C to +40°C. When working in temperatures below the recommended temperature, the trailer should not be loaded as heavily. When working in low temperatures, always allow the oil to circulate freely through the system for a few minutes before starting work.
  • Page 27: Exchange Mechanism

    22-27 IF A DANGEROUS SITUATION ARISES If the trailer comes into contact with high voltage electric wires, you should do the following: IF YOU ARE OUTSIDE THE TRAILER Do not attempt to get into or close to the trailer. Keep everybody well away from the trailer.
  • Page 28: Exchange Operation

    22-27 9 EXCHANGE OPERATION Safety aspects during exchange operation The hook lift trailer must only be operated by one person in order to avoid injury when working with the trailer. There should be no one inside the hazard zone, which is 25 meters around the trailer.
  • Page 29: Exchange Procedure

    22-27 Exchange procedure The trailer must be Make sure that the hydraulic aligned straight in front of mode switch for exchanging or tipping is in exchange mode Fig. 1 and not in tipping mode. Make sure that the container lock is in its open position.
  • Page 30 22-27 Fig. 3 STOP Stop if the tractor lifts off the ground! Make sure that the hook hitches around the loop. Make sure that the frame lock is activated. Roll-on! Make sure that the load carrier is inside the steering rollers. Release the brakes on both the towing vehicle and the trailer to make it easier to roll on the load.
  • Page 31 22-27 Fig. 4 Roll-off! Release the brakes on both the towing vehicle and the trailer to make it easier to roll off the load. Check the position of the tower during roll-off so that the container bridge frame does not catch on the rollers from above.
  • Page 32: Tipping Operation

    22-27 10 TIPPING OPERATION Note! The maximum container bridge length for models in this instruction manual is 6.5 metres during tipping. Make sure that the towing vehicle and trailer are securely coupled before tipping. Fig. 5 Note! With maximum load, the telescope must be retracted 40 cm (400 mm) to enable tipping.
  • Page 33: Wiring Diagram

    22-27 11 WIRING DIAGRAM The trailer has a 12 volt electrical system. Wiring diagram tail lights © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 34 22-27 Item number Name Quantity 920695 7-pole junction box (male) 920764R Tail lights BIGAB 3 pole, right-hand side 920764L Tail lights BIGAB 3 pole, left-hand side 920764G Glass cover tail light 920745 Bulb 12V, 21W 920768 Bulb 12V, 21W p21/5W ©...
  • Page 35 22-27 Electrical on-off system © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 36: Hydraulics Chart

    22-27 12 HYDRAULICS CHART The hydraulic system is filled with oil and tested before delivery. The hydraulic system consists of a number of different components illustrated below. Technical data and configuration depend on the trailer model (see table 1). The hydraulic system is filled with either VMGZ or SAE100R16 hydraulic oil.
  • Page 37: Carrying Out Service/Maintenance

    22-27 13 CARRYING OUT SERVICE/MAINTENANCE Place the jack as illustrated when carrying out service and maintenance work, if a jack is required. To ensure the safe use of the product and trouble-free operation and for the warranty to be valid, maintenance must be carried out as described in this chapter.
  • Page 38 22-27 Make sure that the trailer cannot move when using a jack or similar equipment - it is essential that the trailer is supported securely when raised. Always use the safety support when carrying out service work when the trailer bed is raised.
  • Page 39: Maintenance/Service

    22-27 14 MAINTENANCE/SERVICE General information: • Service and maintenance must be carried out regularly in order to guarantee your safety and problem-free use. • Maintenance work can be carried out without any specialist tools. Most of the maintenance operations can be performed by the user.
  • Page 40 22-27 Surface cleaning Remove accumulated dirt and dust. Painted external surfaces should be cleaned regularly with a sponge or soft brush and soap. When cleaning, never use warm water in a high-pressure washer. This dissolves the grease at the bearing points.
  • Page 41 Repeat if necessary until the brakes work properly. If necessary, contact our service department! With the BIGAB 22-27, brake cylinder play is adjusted by slackening or tightening the adjustment screw on the brake. Maintenance of wheels Before the trailer is used, check the wheels by making sure the bolt connections are secure and that they are regularly checked and tightened.
  • Page 42 22-27 Maintenance of the hook lift trailer’s bogie system Daily inspections Inspect all spring brackets, springs with links and wheel axles. Inspect wheel equipment, tires and rims. Defects must be corrected before the trailer is used. Weekly inspections It is essential to lubricate the trailer’s grease nipples once a week, or after 20 hours of use.
  • Page 43 22-27 Storage Long term storage in cold and/or damp conditions is not advisable. Repair welding If repairs or modifications require welding work, first contact your dealer for necessary instructions. Incorrect welding or lack of knowledge when welding can result in sudden breaks in the structure.
  • Page 44 22-27 Lubrication Recommended lubrication is once a week or every 20 hours of operation. A grease gun is recommended for lubrication of grease nipples. • Follow the lubrication schedule to ensure correct and regular lubrication of your trailer. • Keep flammable material away from heat, sparks and naked flames.
  • Page 45 22-27 Tightening torque • Tightening torque - Drawbar bolts Thread Bolt Tightening strenght torque, Nm M16x2 12.9 M20x2 12.9 • Tightening torque - Wheel nuts Thread Nut strenght Tightening torque, Nm M18x1,5 270 +20 M20x1,5 350 +30 M22x1,5 450 +60 ©...
  • Page 46: Spare Parts

    22-27 15 SPARE PARTS Hook frame Hook frame spare parts Pos. Item No. Name Hook frame assembly 37221269 Telescopic linkage frame 37221079 Hook frame/extension 37221112 Axle 37221110 Axle 37221115 Axle 37211180 Distance ring 37203115 Distance ring 909125 Glide bearing 37221140 Direction plate ©...
  • Page 47 22-27 Rear frame Rear frame spare parts Pos. Item No. Name 37221500 Frame 372320370 Axle 320350 Steering roller 909115 Slide bearing Ǿ100 © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 48 22-27 Bogie Bogie spare parts Pos. Item No. Description Mechanical Pneumatic 917220 Sprung Tridem Parabolic 30 tonnes 917171 Fixed axle 130x2000 917181-PN Fixed axle 130x2100 917172 Self-steering axle 130x2000 917182-PN Self-steering axle 130x2100 913231 Hydr. cyl. 80/50x249 Steering FMWA20009-01 Steering cylinder assembly kit 920845 Air brake cylinder 20"...
  • Page 49 22-27 Frame lock Frame lock spare parts Pos. Item No. Description 2024-000011.000 Linkage frame cylinder 2024-000027.000 Link frame lock chain - tractor 15-19-22-27 2024-000013.000 Link cylinder frame lock chain 2024-000015.000 2024-000010.001-01 FMWP00001-030 908110 Split pin 920230 Ring pin 920222 Chain for frame lock...
  • Page 50 22-27 Exchange unit Rear frame 1, 2, 4 Exchange unit spare parts Pos. Item No. Name Note: Exchange unit assembly 37221120 920515 Spring 37221220 Sliding plate 37221210 Sealing ring 913230 Exchange cylinder © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...
  • Page 51 22-27 Electrical system For information about the electrical system, see the wiring diagram chapter. Electrical spare parts Pos. Item No. Description 920764R Rear lamp Right 920764L Rear lamp Left 920770 Side marker lights 111x40 (orange) - optional 920715 Cable terminal...
  • Page 52 22-27 Other parts Other spare parts Pos. Item No. Description Note 930105 Lubricating nipple 920120 Towing eyelet 37221002 Hook 37211068 Stabiliser leg 37203067 Stabiliser leg pin 37203085 Safety support 920160 Reflector 94*44 (orange) 920150 SMV sign 920630 Parking chock Optional...
  • Page 53: Troubleshooting

    22-27 16 TROUBLESHOOTING These troubleshooting instructions are intended to help you determine the cause of a malfunction. Problems with the electrical equipment Fault symptoms Reason and action Problem with lights Bulb not working. Replace the bulb. Check and clean the electrical connectors.
  • Page 54: Ec Declaration (Sample)

    22-27 17 EC DECLARATION (sample) © V7.1-2015W42-en Fors MW Ltd www.forsmw.com...

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