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V 2019/01

Original Operating Instruction Manual

14 Troubleshooting

Use this table to repair the basic operating functions of your trailer in the event of a fault.

Fault

Possible cause

Solution

The coupling does not engage

Internal parts of the coupling (spherical cup, shell, spring) are dirty, frozen or rusty.



Clean the components. Lubricate or oil the coupling.

Ball head of the car coupling too large.



Replace the car coupling. (max. Ø 50 mm)

Coupling height of car does not match coupling height of trailer.



Check the coupling height of your car. The distance from the middle of the ball head to the

floor should be 430 ± 35 mm (according to DIN 74058).

Components of the coupling are worn / faulty.



Have repaired in a specialist workshop.

The handbrake effect is too weak

Brake pads not yet run in.



Check the braking effect after a short run-in time.

Friction losses in transmission mechanics too large.



Lubricate transmission mechanics, Bowden cables.

Trailer cannot be uncoupled

Ball head of the car coupling is not round (worn).



Replace the car coupling.

Trailer and car are standing at an angle to each other.



Park your car and trailer in a straight line.

Trailer pulls to the right or left

Load is not evenly distributed.



Distribute the load evenly.

Tyres have different pressures.



Set the tyres on all wheels to the same pressure.

Load is inadequately secured (so it does not slip) and shift gradually while driving.



Position the load evenly. Secure the load so it does not slip.

Brake on one of the wheels is set incorrectly and is braking.



Have repaired in a specialist workshop.

Trailer lurches from side to side

Tyre pressure is set too high.



Reduce the air pressure on all tyres. Observe the maximum air pressure values.

Speed is too high.



Slowly reduce the speed.

Centre of gravity of the load too far to the rear.



Correct the centre of gravity of the load and move it further forwards.

Drawbar load is inadequate or negative.



Correct the load distribution so that there is sufficient drawbar load.

Trailer rattles / squeaks

The load is not secured.



Secure the load properly.

The cables or hoses work loose.



Have repaired in a specialist workshop.

Jockey wheel was not cranked up and comes undone from the attachment points.



Crank the jockey wheel up. Re-tighten the fastening connections.

The hand brake is still engaged.



Release the hand brake.

Drop sides are not properly closed / secured.



Check the latches / bearing points of drop sides.

Inadequate lubrication at the lubrication points.



Re-lubricate the lubrication points.

A wheel bearing is defective or brakes have not been set evenly.



Have repaired in a specialist workshop.

Brakes smoking, overheated

Brake is blocking a wheel. Hand brake is applied.



Check whether the reverse automatic, hand brake is properly released.



Have repaired in a specialist workshop.

Jockey wheel, lashing straps blocking / pressing on the brake linkage.



Raise the jockey wheel properly. Detach the lashing strap from the brake linkage.

Cable or Bowden cable bent / deformed. Rust formation in the brake drum.



Have repaired in a specialist workshop.

Wheel brake is dirty. Return springs are worn or broken.

Brakes judder

Some transmission parts have too much play.



Have repaired in a specialist workshop.

Shock absorbers or overrun brake faulty.

Содержание 1374.610

Страница 1: ...Open box trailer Startrailer Plus Multi HA 500 EN OPERATING INSTRUCTION MANUAL Series 1000 humbaur com Startrailer Plus Multi HA 500 ...

Страница 2: ...amage Ignoring instructions may also invalidate your warranty entitlement Keep this operating instruction manual carefully for the entire service life of your trailer The operating instruction manual should be passed on to the new user owner if you rent out or sell your trailer It forms part of the product and also serves as a CHECK LIST for regular inspections We advise you to keep the operating ...

Страница 3: ... H 132513 Standard 145 80 R13 185 65 R14 on rims 4 4 5Jx13 ET30 on rims 5J 6J x 14 ET30 Other permitted tyre sizes 135 80 R13 155 R13 RF 155 80 R13 175 70 R13 155 R13 C 195 65 R15 185 R14 C 195 R14 C Features Aluminium drop sides 300 mm high Rear drop side can be folded down removed Front side drop sides fixed do not fold down Drop side locks in the form of surface mounted latches Screen floor pla...

Страница 4: ...rims 5J 6J x 14 ET30 Other permitted tyre sizes 135 80 R13 155 R13 RF 155 80 R13 175 70 R13 155 R13 C 195 65 R15 185 R14 C 195 R14 C Features Aluminium drop sides 150 mm high Rear drop side can be folded down removed Front side drop sides fixed do not fold down Drop side locks in the form of surface mounted latches Screen floor plate 12 mm thick Round buttons on side wall extensions for securing a...

Страница 5: ...s permitted GW 1300 kg Net unladen weight 257 kg Load capacity goods 1043 kg Drawbar load max 100 kg Tyres H 132513 Standard 185 65 R14 on rims 5J 6J x 14 ET30 Other permitted tyre sizes 195 65 R15 185 R14 C 195 R14 C Features Aluminium drop sides 500 mm high Rear drop side can be folded down removed Front side drop sides fixed do not fold down Latches on rear drop side recessed Screen floor plate...

Страница 6: ...ts Be careful people could be injured Risk of crushing For limbs such as Hands fingers feet Crushing impact risk For body body parts Risk of falling People may fall and injure themselves Risk of slipping On smooth wet slippery surfaces Risk of tripping Obstacles on moving surfaces in the working area 1 3 2 Prohibitory signs Access prohibited for unauthorised persons Spraying with water prohibited ...

Страница 7: ...km und nach jedem Radwechsel nachziehen Danger of a loss wheel Loose wheelnuts result in accidents Check wheelnuts for thightness after the first 50 km and after each subsequent wheel change 620 00037_C DIN Zurrpunkte 400 daN kg min 30 620 00031_B 2 2 For people WARNING Children playing in the vicinity of your trailer Trailers are not toys Children are unable to properly assess the risks associate...

Страница 8: ... and the trailer coupling Observe the information on the maximum permissible drawbar load in the COC papers Section 19 VORSICHT CAUTION Nichteinhaltung der Stützlast Unfallgefahr Schlingergefahr Verteilen Sie die Ladung so dass keine negative Stützlast entsteht bzw die max zul Stützlast eingehalten wird Noncompliance with vertical load Risk of accident skidding When distributing the cargo a negati...

Страница 9: ...iler load Using unapproved spare parts or accessories Driving with a faulty lighting system or malfunctioning lighting system Driving with vehicle body not closed Maintenance of safety relevant components such as brakes drawbar etc by a layperson Removing the type plate or VIN on the trailer or making them illegible Driving at an inappropriate excessive speed in poor weather conditions road condit...

Страница 10: ...egible during the entire life cycle of the trailer The VIN on your trailer is also engraved on the right of the frame fixed front or side drop side viewed in the direction of travel Never remove obscure or paint over the type plate and the engraved VIN on the frame drop side d c b a e H 48 f Startrailer Plus Startrailer Plus Multi Multi HA 500 H 752513 H 132513 HA 752513 HA 132513 HA 132513 a Leng...

Страница 11: ...rm cargo bed 8 Front retro reflector position lamp 9 Wheel chocks only on braked version 10 Front drop side 11 V drawbar 12 Brake linkage 13 Jockey wheel 14 Hand brake 15 Drawbar support 16 Rubber sleeve 17 Safety cable braked arrester cable unbraked 18 Coupling head 19 Parking socket for plug 20 Loading ramp slot number plate holder optional 21 Tailgate 22 Underride protection 23 Multifunctional ...

Страница 12: ...ines and points on their licence according to the German Road Traffic Act StVO Check your trailer regularly for defects Rectify faults defects of have them repaired immediately in a specialist workshop H 003 Example Trailer unbraked coupled Carry out a departure check Components Testing Coupling head has engaged properly and is secured Safety wear indicator is in the green zone Safety cable arrest...

Страница 13: ...ke slowly and carefully Make sure that your hand and body are outside the crushing movement area Engaging the hand brake Engaging the hand brake 1 Hand brake lever engaged top 2 Spring mechanism extended 3 Jockey wheel in parking position Wind down the jockey wheel 3 until it reaches the floor Pull up the hand brake lever 1 beyond the resistance point so that the brake is fully applied Push the tr...

Страница 14: ...aging the hand brake 1 Hand brake lever 2 Brake applied 3 Jockey wheel in parking position 4 Gas strut Wind down the jockey wheel 3 until it reaches the floor Pull the hand brake lever 1 as far up as possible so that the brake 2 is fully applied Push the trailer back slightly The gas strut 4 fully applies the hand brake H 008 2 1 3 4 Releasing hand brake Releasing hand brake 1 Release button 2 Han...

Страница 15: ...hment points for secondary couplings arrester safety cable or provide devic es which ensure that the trailer comes to a standstill in the event that it comes uncoupled Pay attention to the safety information and operating instructions from the manufacturer of the trailer coupling on the car Driving with arrester safety cable incorrectly attached The arrester safety cable could detach from the ball...

Страница 16: ...he clamping device 1 while simultaneously inserting the safety cable 2 in a loop Release the locking mechanism The safety cable is inserted and secured Check that the required swivel range for the ball head coupling is ensured Ensure that the spring hook 2 is closed H 014 2 1 6 3 3 Securing the snap hook DIN 5299 Safety cable attached using snap hook 1 Ball head coupling retractable 2 Ring on side...

Страница 17: ...subject to wear and tear during operation This depends on the driving style as well as adhering to regular maintenance of the ball head and the trailer coupling The different wear indicators on the coupling head are there for your safety These display the status and wear of the ball head and the coupling cup spherical cup Driving with a worn coupling head Trailers can become detached skid or tip o...

Страница 18: ...d in the coupling housing spherical cup Trailer at an angle The required swivel range is limited increased coupling wear road handling is impaired trailer could come uncoupled Before connecting up your trailer for the first time check that the height of the ball head on the car is in the range of 395 465 mm between the road surface and the mid dle of the ball head Adjust the height of the ball hea...

Страница 19: ...ler against rolling away Release the arrester cable from the ball head coupling Release the electric plug from the car socket Unlock the handle on the locking mechanism If applicable lower the jockey wheel support device Press the safety catch 2 all the way in Pull the handle 1 all the way up Lift the spherical cup from the ball head 4 The trailer is uncoupled from the car H 023 2 3 4 1 Uncoupling...

Страница 20: ... underneath Place the complete surface of the wheel chocks under the wheels Consider the direction of inclination of the trailer The trailer has been secured to prevent it from rolling away Securing wheel chocks Slide the wheel chock into the holder until it engages a clicking noise can be heard The lever prevents the wheel chock from falling out WARNING Unsecured wheel chocks The wheel chocks cou...

Страница 21: ...een posi tioned incorrectly Incorrectly positioned jockey wheel can block the brakes while driving risk of accidents Before setting off make sure that the jockey wheel does not block the brake linkage CAUTION Cranking up raising the jockey wheel when the trailer is uncoupled Drawbar could fall down and you can crush your hands feet under the drawbar Only crank up raise the jockey wheel when the tr...

Страница 22: ...e tyres Check the tyre pressure profile depth and condition of the tyres see maintenance table Loose wheel nuts The trailer may start to snake tip over be uncoupled from the towing vehicle After every tyre change and after the first 50 km re tight en the wheel nuts Check that the wheel nuts are seated securely at regular intervals see maintenance table Check tyre condition Even on trailers which a...

Страница 23: ...he towing vehicle Distribute the load weight evenly on the cargo bed avoid single point loading Distribute the load in such a way that no negative draw bar load is created and the maximum permissible drawbar load is not exceeded Never exceed the maximum permissible drawbar load of the car coupling Where possible make use of the maximum permissible drawbar load see COC papers Section 19 Observe the...

Страница 24: ...ertia centrifugal force of the load at 0 km h 100 kg kinetic energy at 40 km h 6000 kg kinetic energy at 80 km h 24000 kg kinetic energy Conclusion When doubling the speed the kinetic energy released by the unsecured load increases four fold in the event of an emergency stop As a result of incorrect poor load distribution serious accidents can also occur at low speeds Overloading the trailer is a ...

Страница 25: ...just driving style according to the load adapted driving style WARNING Unsecured poorly secured load The load can shift while driving while turning sharp corners on uneven road surfaces or when driving on steep roads mountains which can unbalance the trailer or cause the goods to be thrown directly out of the trailer Secure the load properly Make sure that the goods are secured positively and non ...

Страница 26: ...ard 1 2 H 46 Tie down brackets which can be recessed 1 Tie down bracket extended 2 Tie down bracket recessed Tie down force max 400 daN kg Lash the goods at the lashing points Tie down materials 1 2 H 47 Humbaur lashing strap set 1 Lashing strap 2 Lashing strap set Humbaur lashing strap 670 00002 Strap width 25 mm 6000 mm long Force Lc 400 daN break load 500 daN With ratchet Lashing strap set 753 ...

Страница 27: ...Make any goods protruding beyond the drop sides cargo bed visible Stepping on the cargo bed When stepping onto off of the cargo bed while loading unloading you could slip on wet slippery or dirty cargo bed and fall off the trailer Use Secure the trailer to prevent it from rolling away snap ping open tipping over Climb very carefully onto and off of the cargo bed do not jump up and down Clear any s...

Страница 28: ...ilgate you intend to latch directly in the area where the stanchions or latches are Close the latches with the flat of your hand Removing the tailgate side wall extensions Removed tailgate side wall extensions may become an obstacle tripping hazard Do not place the removed tailgate side wall extensions directly in the area required for loading unloading Secure the removed components to prevent the...

Страница 29: ...iding out the tailgate H 58 1 2 Removing the tailgate 1 Hinge on the tailgate 2 Hinge on the chassis Unlock the latches on the tailgate Fold the tailgate to a horizontal position Slide the tailgate sidewards in the direction that is now unobstructed H 59 Tailgate removed Put the detached tailgate somewhere where it is safe from damage Close the latches Fitting the tailgate Inserting the tailgate H...

Страница 30: ...sion secured 1 Screw connection 2 Stanchion H 62 1 2 3 Example Single side wall extension STARTRAILER PLUS 1 Base drop side 300 mm 2 Side wall extension 300 mm 3 Latch The side wall extensions are not designed to support the weight of goods long materials must not be supported positioned on the side wall extensions The rear side wall extensions can be removed to trans port long materials for examp...

Страница 31: ...pull strap to close the cover and hold it firmly by the handle Faulty gas strut Where a gas strut is leaking worn the cover may fold down on its own risk of being hit When operating the cover ensure that it does not fold down by itself Secure the gas strut with the piston retainer Have any faulty worn gas struts replaced by a specialist workshop H 67 1 2 3 4 kg max 60 Aluminium cover on triple sid...

Страница 32: ...retainer 1 The piston on the gas strut is released H 73 1 2 Closing the aluminium cover 1 Pull strap 2 Handle Pull down the aluminium cover by the pull strap 1 Do not allow the aluminium cover to fall shut by itself Hold the aluminium cover firmly by the handle 2 and place the pull straps 1 inside the trailer Locking the aluminium cover H 74 2 1 3 4 Secure the latches 1 Hook plate 2 Bracket 3 Leve...

Страница 33: ...ff NOTICE Overloading of aluminium cover crossbar The aluminium cover may be deformed Crossbars can break Limit the weight on the crossbar to a maximum of 60 kg Distribute the load evenly across the crossbars H 76 1030 mm 2 1 Example Mounted bicycle stand 1 Lateral crossbar 2 Bicycle stand stand Transporting a maximum of 3 bicycles only permitted using a bicycle carrier Other goods such as long ma...

Страница 34: ...red properly to prevent them from slipping off If the driver does not have visual contact with the wheels Enlist the help of a second person before driving on the loading ramps Supervision instruction from a second person recommended H 78 1 2 Multi with loading ramps 1 Loading ramps stacked on top of one another 2 Slot flap H 79 1 2 Bottom view of trailer 1 Loading ramps stowed 2 Holder H 95 Slot ...

Страница 35: ... and cause the trailer to become unstable The loaded vehicle could fall tip over suddenly start moving and crush or hit people Before loading check whether the load capacity and design of the loading ramps are suitable Make sure that the loaded vehicle does not exceed the maximum load capacity of the loading ramps pay attent ion to the axle spacing Refer to the table Load capacity for information ...

Страница 36: ...f the loaded vehicle Make sure that the wheels of the loaded vehicle are cen tred on the loading ramps H 86 1 2 Closing the slot 1 Slot flap 2 Safety bolts secured Lift up the slot flap 1 Lock the slot flap with the safety bolts 2 swivel up tab H 87 1 Opening the tailgate 1 Tailgate Release and open the tailgate 1 Check the loading ramps for deformation distortion cracks do not use faulty loading ...

Страница 37: ...ve the loading ramps from the cargo bed Close the tailgate Place the loading ramps 1 in one another Release and open the slot flap 2 H 94 Stowing away the loading ramps Carefully slide the loading ramps all the way into the slot Close the slot flap and lock it with the safety bolts right left The loading ramps have been stowed away and secured Driving on 2 wheel vehicle H 91 Negative example Pushi...

Страница 38: ...r with a trailer then carry out brake tests on a suitable site first Start braking early on Do a test brake before every journey For trailers with an overrun brake initially brake gently then brake harder this will prevent the wheels from locking The turning circle of long trailers is larger and the follow up curve is smaller Pay attention to the required turning circle when manoeu vring a vehicle...

Страница 39: ... materials see Section Trailer materials After cleaning the trailer wash your hands thoroughly with water hand cleaner If necessary use hand care products before after cleaning After driving on roads which have been gritted in the winter or after transporting fertiliser or other substances which are acidic contain salt or alkali e g manure thoroughly clean your trailer with clear water using a hig...

Страница 40: ...tickers Hoses Seals sealed joints Do not clean a new trailer with a high pressure cleaner within the first three months of use The surfaces materials are still sensitive and must be allowed to harden completely while galvanised components must build up an oxide layer first Oiled or lubricated components must be oiled lubricat ed and greased again after intensive cleaning Lubricant Multi purpose gr...

Страница 41: ...d with wood protection products to prevent water penetration Note Underlay such as rubber anti slip mats cardboard protects the surface of the multi layer wooden plate when transporting and when loading unloading and increase the service life When loading unloading make sure that the load is not slid along the surface where possible Immediately remove water snow ice twigs leaves sand grass etc fro...

Страница 42: ...els 6 Electrical equipment 7 Jockey wheel 8 Arrester cable safety cable 9 Tie down points 10 Wheel shock absorbers optional Safety components must be inspected at regular intervals by qualified personnel in a specialist workshop Maintenance of the safety components depends on the degree of wear intensity of use on the trailer We recommend performing an inspection every 6 months but at least once a...

Страница 43: ...all brake system functions correctly perform a brake test Check the function of the hand brake Jockey wheel x Check function and stability Lubricate moving parts Lighting system retro reflectors signs x Visually inspect for damage and check whether fitted plugs cables rear lights all retro reflectors registration plate registration plate lighting Check that the lighting system functions correctly ...

Страница 44: ... overrun device coupling head Lubricate oil bearing points Brake system x Check that braking effect braking torque is even on a brake test stand Check that brake mechanics are working correctly response threshold If necessary lubricate or oil sliding points on coupling head overrun device and brake system Check the wear condition of the brake pads change brake pads if necessary readjust the brake ...

Страница 45: ... to work risk of accident Find out which components must not be lubricated for example Friction linings of ASK safety coupling clamping tube on prop stand thread on wheel bolt brake pads etc 11 6 Coupling head Cleaning H 101 1 2 3 4 Coupling head viewed from below 1 Safety indicator mechanics 2 Spherical cup 3 Coupling cup 4 Spring mechanism Foreign objects can prevent the coupling head from engag...

Страница 46: ...device H 104 1 Overrun device lubrication points 1 Grease nipples covering cap NOTICE Dirty grease nipple Dirt could get into the bearing and cause higher wear Grease nipple and grease gun could be damaged Clean grease nipples before lubricating Remove the covering caps from the grease nipples Lubricate the overrun device via the 2 grease nipples using a grease gun Put the covering caps back on Br...

Страница 47: ...el H 107 1 2 Cleaning the jockey wheel 1 Wheel bearing point 2 Lubrication oiling points Releasing the jockey wheel Risk of crushing your hands fingers feet when cleaning maintaining the jockey wheel The trail er may tip downwards when the clamp fastening is released Couple the trailer to your car before cleaning performing maintenance Do not place your feet under the drawbar during cleaning maint...

Страница 48: ...ce bulbs with those of the same watt age and the same type Check lighting H 110 1 2 Multifunctional light at rear 1 Mounting bolts 4x 2 Lens Check that the lights are fitted check for damage and make sure they work Replace faulty lamps retro reflectors Have non functional lamps torn brittle electric cables replaced by a specialist workshop Exchanging lights H 111 3 2 1 Multifunctional light left 1...

Страница 49: ...r Do not tow the trailer if the cables are torn or porous Have a specialist workshop repair or completely replace them immediately Never try to repair damaged cable yourself If necessary replace missing cable clips ties Maintain the electric cabling as required with a damp cloth and silicone spray If you have any problems with the electric system contact your car dealer or a specialist workshop be...

Страница 50: ...s both wheels of an axle must be supported in only one direction in order to prevent the trailer from rolling away on one side Uncoupling a single axle trailer with a load without addi tional supports is not permitted risk of tipping up NOTICE Trailer parked for extended periods If the trailer is parked for a long time on its own wheels the tyres may become deformed If the hand brake is applied th...

Страница 51: ...e vehicle so that it does not represent a hazard to any third party e g by tipping over or rolling away Release the hand brake if required as the brake callipers could otherwise seize after a long period of inactivity Secure the trailer with wheel chocks Have any environmentally hazardous operating materials substances oil battery etc professionally removed 13 2 Disposing of trailer components Bri...

Страница 52: ...is braking Have repaired in a specialist workshop Trailer lurches from side to side Tyre pressure is set too high Reduce the air pressure on all tyres Observe the maximum air pressure values Speed is too high Slowly reduce the speed Centre of gravity of the load too far to the rear Correct the centre of gravity of the load and move it further forwards Drawbar load is inadequate or negative Correct...

Страница 53: ... ________________________ 15 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date 20 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date 25 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date Date of purchase ______________________________________ 30 000 km Inspection 6 months after the last ...

Страница 54: ...m Inspection 6 months after the last inspection at the latest Stamp Signature Date 65 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date 70 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date 75 000 km Inspection 6 months after the last inspection at the latest Stamp Signature Date 80 000 km Inspection 6 months after the last...

Страница 55: ...____________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________...

Страница 56: ...lues and relate to a series vehicle without accessories Printed in Germany Reprint forbidden Illustrations similar some trailers show special equipment Images Humbaur GmbH fotolia de Article No 007 00198 Version 2019 01 Series 1000 Humbaur GmbH Mercedesring 1 86368 Gersthofen Germany Tel 49 821 24929 0 info humbaur com humbaur com humbaur com ...

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