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Bigab T-7, Instruction Manual, Page: 8 / 42

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Bigab T-7 Instruction Manual Download Page 8

Dump trailer T-7

8

© 

AS

 FORS MW

general DescrIpTIon

principal components and functional devices 

The trailer consists of the following principal components and functional devices. 

The towing eyelet is suitable for 

hitch hooks. It is 

very 

important 

that the towing eyelet is checked for 

defects every time the trailer is used. 

The towing eyelet must be greased 

regularly. The towing eyelet must be 

replaced at least once a year. 

The trailer bed loads 

5.6m

3 

with 5 mm 

plate thickness at the 

bottom and 3 mm at 

the sides. 

Bolted drawbar – The trailer is 

equipped with a bolted drawbar for 

optimum comfort and increased 

flexibility since it offers the 

opportunity to use the drawbar at 

different heights as required.

Tyres – The trailer 

is delivered with 

11.5/80 x 15.3 tyres, 

but other tyres are 

available as optional 

extras.

The chassis is constructed 

from rectangular steel 

sections. 

Summary of Contents for T-7

Page 1: ...INSTRUCTION MANUAL T 7 T 8 Instructions v1 2012 V1 1 2016 EN Original instructions ...

Page 2: ...cts during service maintenance 29 Maintenance Service 31 Schedule for maintenance intervals 31 Procedure during maintenance service 32 Troubleshooting 38 Spare parts 45 In this manual we have gathered all the information regarding a particular procedure in a single same chapter As always safety issues are of the utmost importance and are presented at the start of the instruction manual along with ...

Page 3: ... with side doors The trailer can be further equipped with 4 wheel drum brakes and hydraulic stabiliser legs The trailer meets the requirements necessary for operation at 40 km h Swedish market or 30 km h Norwegian market We understand your curiosity and desire to put your BIGAB dump trailer to work but we ask you to spend a little time reading through this instruction manual before you start using...

Page 4: ...in m3 5 6 m3 Panel thickness at bottom sides 5 mm 3 mm Trailer dead weight 2020 kg Max payload 7000 kg Total weight with load 9020 kg Axles 70 x 70 Brakes 4 wheel brakes as optional extra Brake force requirement 160 bar Parking brake Max speed 40km h Towing eyelet vertical horizontal max 14 000 2000 kg Load on towing eyelet empty trailer 450 kg Load on towing eyelet fully loaded trailer 1260 kg Ti...

Page 5: ...Dump trailer T 7 www forsmw com 5 DIMENSIONAL DIAGRAM 990 66 4570 919 6028 450 4009 3654 917 ...

Page 6: ...Dump trailer T 7 6 AS FORS MW 990 874 701 1100 3675 467 628 871 1500 5304 450 1788 4011 917 ...

Page 7: ...Dump trailer T 7 www forsmw com 7 1788 2174 701 2250 2307 400 450 ...

Page 8: ...yelet must be greased regularly The towing eyelet must be replaced at least once a year The trailer bed loads 5 6m3 with 5 mm plate thickness at the bottom and 3 mm at the sides Bolted drawbar The trailer is equipped with a bolted drawbar for optimum comfort and increased flexibility since it offers the opportunity to use the drawbar at different heights as required Tyres The trailer is delivered ...

Page 9: ...ors can be opened fully NOTE Do not drive with the side doors open because the doors will then extend beyond the trailer s normal dimensions Accidents can occur if the driver is not careful The trailer is delivered with hung tailgate with locking catches on the bottom edge It has notches for spreader chains The doors are released on the left side by using a mechanical handle ...

Page 10: ...ponsibility Tyres The dump trailer is equipped as standard with 11 5 80x15 3 A8 40 km Name Hose Wheel dim Width mm Diameter mm Load Kg Air pressure Bar 6 161 205 10Pr YES 9 00x15 3 297 844 1950 4 6 The trailer can be equipped with optional extras 400 60x15 5 A8 40 km Name Hose Tyres pattern Wheel dim Width mm Diameter mm Load Kg Air pressure Bar 400 60x15 5 Rib 900 13 00x15 5 405 875 2725 4 50 ...

Page 11: ...is manufactured with a 12V electrical system Braking system The trailer can be equipped with a hydraulic braking system A pneumatic braking system is also available as an optional extra Note The hydraulic pressure in the brake pipes should not exceed 160 bar If too high a hydraulic pressure is used the brake arm cam can go over the centre and lock the brakes ...

Page 12: ...dden for anyone under the influence of alcohol or drugs to work with the trailer Trailer safety To ensure the safe use of the product for trouble free operation and for the warranty to be valid maintenance must be carried out in accordance with the service described in the chapter Maintenance Service The trailer must be loaded evenly and must be on level ground when tipping Consult the section Tip...

Page 13: ...ding 70 decibels Transport of people or animals in the dump trailer is not permitted WARNING The manufacturer does not accept any liability for damage that is caused by overloading or which arises in the case of drawbar failure if the trailer detaches from the vehicle The maximum load is stated in the technical data ...

Page 14: ...out service in the tipping position The safety support must not be used under any circumstances when the trailer bed is loaded Safety support Location of the decals on the trailer The trailer is equipped with a range of decals for both safety and information Check that all signs are in the correct position ...

Page 15: ...ecals encourage the user to use the appropriate safety equipment in order to avoid injury when using the trailer DANGER Risk of crushing injuries There is a risk of being trapped or crushed during work and maintenance WARNING Hazardous area It is potentially fatal to stand between the trailer and the towing vehicle when the trailer is being driven moved with frame steering or when other functions ...

Page 16: ...xisting oil and or clay on the surface The ground around the trailer can also be slippery because the tyres can tear up the surface and expose clay and soil DANGER Hydraulic fluid under pressure Hot hydraulic fluid at high pressure may occur in the hydraulic system Take care when connecting and replace damaged hoses WARNING Warning contact with electrical power lines The trailer may only be driven...

Page 17: ...it is the user s responsibility to ensure that this is not exceeded INFORMATION Wheel inspection The wheels must be tightened and the brakes checked regularly INFORMATION Lubrication This decal is used to show the importance of regular lubrication of the trailer INFORMATION 20 KG MAX LAST INKL FLAK TIPPNING MAX LOAD INCL BODY TIPPING MAX GewIChT INKL CONTAINer BeI KIPPeN TILLVerKNINGSNUMMer SerIAL...

Page 18: ...Dump trailer T 7 18 AS FORS MW Tightening torque ...

Page 19: ...ces see the chapter Safety Devices Check that the wheel nuts are tight See the table for tightening torques Recheck after 2 3 hours driving and then 2 3 times a year Check that the indicators brake lights and taillights are working For information on the electrical system consult the wiring diagram Check that the hydraulic connections for tipping and brakes are correctly connected Bleed the brakes...

Page 20: ...pects when coupling uncoupling The following must be checked before each use Inspect the trailer carefully Check the air pressure in the tyres This must always be at least the recommended pressure See Maintenance Service for more detailed information Check that all connections are correctly connected Check that the trailer is locked to the towing vehicle Check the towing eyelet and the coupling de...

Page 21: ...BIGAB T 8 ...

Page 22: ... Never stand by the drawbar when coupling or uncoupling or while functions between the towing vehicle and trailer are activated Do not exceed the maximum loading limit stated for the model See Technical Data for more 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 place chocks or obstacles in ...

Page 23: ...le below The functions depend on how the hydraulic system is configured Hydraulic hose label for example for tipping cylinder Hose label colours Red Oil from pump Blue Oil to tank Yellow Brakes Marking of the hydraulic hoses No Colour Function 1 Yellow Brakes 10 Red Tipping cyl up 24 Red Drop down door a 25 Blue Drop down door b 26 Red Steering p 27 Blue Steering t ...

Page 24: ...iler Safety aspects while driving The load must be evenly distributed in the trailer Loose objects and loads protruding over the doors must be secured Remember that the tractor s manoeuvrability can be affected negatively by the weight of the trailer Do not forget to raise the stabiliser leg before moving off Never make tight turns at high speed Do not exceed the maximum loading limit stated for e...

Page 25: ...the trailer when it is in motion This can potentially be fatal Loading of towing eyelet and coupling Always adapt your driving to the load road conditions and your experience Do not exceed the trailer s stated maximum speed Make sure you have the correct strain on the tow hook when you are driving Make sure you do not exceed the intended upward and downward strain on the trailer s towing eyelet an...

Page 26: ...sponsibility of the user to ensure that the vehicle s limits and the applicable legislation are not exceeded The values given are not exact but only an example The above table provides information and examples of how much different loads can weigh This table is only to be considered as a general guide The manufacturer cannot be held responsible for the measurements or volumes given in the table Th...

Page 27: ...ls are destroyed IF DANGER ARISES If the trailer comes into contact with high voltage electrical cables act as follows IF YOU ARE OUTSIDE THE TRAILER Do not try to get into the trailer Keep away from the trailer Do not touch any part of the trailer IF YOU ARE IN THE TOWING VEHICLE Get out by jumping Avoid touching any part of the vehicle Avoid making your a body a channel through which electricity...

Page 28: ...ng Tipping the trailer is always controlled from inside the tractor WARNING If the rear of the tractor lifts a hazardous movement has started When the rear of the tractor starts to lift this is a warning that you have started a hazardous movement Illustration 1 Place the dump trailer on a level surface The sideways gradient must not exceed 5 degrees Ma x 5 ...

Page 29: ...iler bed before driving off Important Make sure the trailer bed is locked in the correct position before driving IMPORTANT Apply the brakes when tipping so the rig does not roll away when the load is tipped off When tipping is finished check the tailgate to make sure no residues have stuck since this could prevent it from shutting ...

Page 30: ...nce if required Safety aspects during service and maintenance Clean the trailer thoroughly before repair work or storage The trailer must always stand on a level surface during service Make sure the trailer is stationary During service turn off the vehicle s engine Make sure the trailer cannot move when using a jack or similar equipment ensure it is securely supported by blocks ...

Page 31: ...BIGAB T 8 ...

Page 32: ...or repair leaking hydraulic couplings while there is still pressure in the system Never attempt to locate a hose or coupling leak using your hands The high pressure oil in the system can penetrate the skin and cause serious injuries such as burns and blood poisoning High pressure oil is highly flammable Avoid getting oil in your eyes Wear safety goggles and safety gloves If you should get oil in y...

Page 33: ...ation We recommend trained service personnel carry out the adjustment and repair of valves Daily maintenance Visually inspect the load equipment Note any defects that could affect your safety Repair any defects Check the towing eyelet s safety features carefully Check to ensure there are no leaks in the hydraulic system and that there are no damaged hoses Work through each function Check the oil l...

Page 34: ...l for oil change intervals 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 hot water from a high pressure washer This dissolves the grease at the bearing points Maintenance of the hydraulic units Clean the piston in the hydraulic cylinder Check the hydraulic valves In the case of le...

Page 35: ... working week Make sure bearing grease oil does not penetrate the brakes Regardless of the type of oil that penetrates the brakes this risks lubricating the brake discs and thus reducing the friction This will adversely affect the braking action Should this happen remove the brake drums wash the brake pads with petrol or similar and leave them to dry Always check the play after the brake drum has ...

Page 36: ...ling pipe In the case of leaks and ruptures replace the hose Check the function of the device Maintenance of wheels Check the wheels before using the trailer by making sure the bolted joints are secure and that they are regularly checked and tightened Check the air pressure The dump trailer is equipped as standard with 11 5 80x15 3 A8 40 km Name Hose Wheel dim Width mm Diameter mm Load Kg Air pres...

Page 37: ...ecycling Repair welding If repairs or modifications require welding work you must first contact your dealer who will provide you with the necessary welding instructions Incorrect welding or ignorance during welding can result in sudden breaks in the structure Scrapping instructions If the machine or its components are to be scrapped the materials must be dismantled sorted and handed in for recycli...

Page 38: ...plate or brake linings Other points that must be lubricated 4 6 times per year are Bogie boxes Use multi purpose lubricant Tipping pins Use multi purpose lubricant on right left side Tipping piston bracket Use multi purpose lubricant on upper and front brackets Tipping piston Always keep the protruding top section oiled Towing eyelet Use multi purpose lubricant Door locks Lubricate with thin oil L...

Page 39: ...Dump trailer T 7 37 AS FORS MW Lubrication schedule container 1 1 ...

Page 40: ...ipment Fault symptom Reason and action Problem with lights The light stops working Replace bulb Check and clean the electrical connections Wire damaged or broken Check and repair the fault Problems with the hydraulic equipment Fault symptom Reason and action Air in the hydraulic system Locate the leak and eliminate the defect Check the oil level Check the quick release couplings between the towing...

Page 41: ... 7 39 AS FORS MW Problem with braking system Fault symptom Reason and action Poor brake function Oil on brake linings or worn brake pads Replace the brake shoes Check the play in the brake arm and adjust if necessary ...

Page 42: ...und 4 Brown BN Right flash 5 Blue BU Right tail light side marker 6 Black BK Stop light 7 Yellow green YEGN Left tail light side marker Electrical cable connection for rear lights with round 7 pin cable plug Colours according to ISO 1724 No Colour Function 1 L Yellow YE Left turn signal 2 54G Blue BU Fog or reverse light 3 31 White WH Ground 4 R Green GN Right turn signal 5 58R Brown BN Right tail...

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