Page 1 Operating manual Multifunction construction transporter HTK three-way tipper (5 t - 7.5 t) humbaur.com Serie 10000...
Page 3 Ensure that the operating manual is Humbaur GmbH and its subassemblies. work. Only with this information is it included when the trailer is sold on, Humbaur GmbH accepts no liability for possible to avoid errors and ensure fault- for example. damage and malfunctions resulting from free operation.
Page 4 Contents of this operating manual Identification Dimensions, weights and performance data can be found in the trailer's registra- tion documents. Vehicle type Version  Three-way tipper, tandem (total mass 5 t) HTK 504020 Three-way tipper, tandem (total mass 6.5 t) HTK 654020 Three-way tipper, tandem (total mass 7.5 t) HTK 754020...
Page 5 Contents of this operating manual Index 4 Operating the chassis 7 Inspection, care and mainte- Use the Index starting on page 5 to search for specific topics. nance In the chapter "Operating the chassis," starting on page 55, you will find all you The chapter "Inspection, care and main- 1 Safety need to know about the chassis oper-...
Page 6 Contents of this operating manual...
Page 7 Towing eye connection 235 ..body Humbaur Service Partners ......
Page 8 Index ..Lighting terminal diagram ....Lights .....
Page 9 Index ....Pressure level Draw bar height adjustment ..... . Electrical system Prohibitory signs .
Page 10 Index ......Switch-off / securing mechanisms Tipping bearings Manual ... .
Page 11 Safety...
Page 12 Intended use HUMBAUR vehicles and bodies are Always consult Humbaur GmbH or an – Trailer always secured appropriately manufactured to the accepted engi- authorised HUMBAUR workshop before to prevent rolling away when stopped / neering and safety engineering stand- having accessory parts attached to your parked ards.
Page 13 (e.g. chemical substances) – Unauthorised maintenance / repair of – Loading with exceeded payload safety-relevant components which Humbaur GmbH – Exceeding the maximum permissible must be maintained or repaired by Mercedesring 1 axle/draw bar/trailing load specialists only 86368 Gersthofen (Germany) –...
Page 14 / or brake discs and warranty against Humbaur GmbH null wheel bearings or axle damage. and void. 12 Safety...
Page 15 – original parts or modification parts / nised organisations, accessory parts approved by Humbaur GmbH have been replaced – approvals have been granted by with other parts. public authorities. – subsequent modification of the trailer has been performed (e.g.
Page 16 Wood is a natural material. Unauthorised modifications to the trailer or Despite a wide variety of processing methods attachments not approved by Humbaur GmbH and coatings, it therefore remains subject to render the warranty invalid. Failure to comply natural, weather-dependent expansion and with the respective statutory regulations.
Page 17 In the event of overloading or improper use of the Defects attributable to the use of parts other than trailer. original Humbaur replacement parts. If parts other than original Humbaur replacement Defects as a consequence of repairs not carried parts are used. out in a specialist workshop.
Page 18 Personnel qualifications HUMBAUR vehicles and vehicle bodies Sources of danger – Use of wheels with incorrect wheel and their operating components may offset, unilateral runout or centrifugal It is essential that you are aware of the only be used and serviced by persons imbalance.
Page 19 Check, adjust and secure before every journey In the chassis area Important general information: – Drain the compressed air tank – Check the licence plates and signs – Connect the supply lines – Check that the central draw bar – Establish the electrical connections and trailer coupling are in perfect –...
Page 20 Check, adjust and secure before every journey Around the vehicle body Close and secure all components of the vehicle body, such as: – ramps – drop-sides – add-on drop sides – steel grid extensions – support frame – toolbox – load securing equipment –...
Page 21 Safety instructions Signal words Text emphasis General instruction. DANGER Draws attention to information You will find the following symbols in which must be observed and Indicates an immediate danger front of some lines or paragraphs in the complied with to ensure safe If this danger is not averted, it will result manual: use.
Page 22 Safety instructions Warning signs used The following warning signs may be used Risk of crushing! Risk of chemical burns! in this operating manual and on the For parts of the body such as: Leaking battery acid. product. Heed these warning signs and hands / fingers / feet.
Page 23 Personal protective equipment / rules and prohibited activities Personal protective equipment Instruction signs Wear the prescribed personal protective Heed the following rules and prompts for equipment (PPE) for all the work all the work described in this manual. described in this manual. It includes the following: Important information! Must be observed and complied...
Page 24 Personal protective equipment / rules and prohibited activities Prohibitory signs Other important pictograms The following are prohibited. Observe the following pictograms for correct disposal as well as first aid in the Climbing up prohibited case of emergency. Problem waste! Reaching in prohibited Must not be disposed of with household waste.
Page 25 General Information...
Page 26 HTK product description HTK three-way tipper I - 001 I - 002 I - 003 Fig. 1 Side view Fig. 2 Rear view Fig. 3 Front view Draw bar with towing eye Rear lights 13 Wheel chock Support wheel Underrun guard 14 Release valve, service brake Height setting device 10 Licence plate holder...
Page 27 HTK product description I - 005 I - 007 I - 007 Fig. 5 Tipped position, towards the side Fig. 7 Tipped position, towards the side 25 Safety wire 30 Rear platform gate, hinge-mounted 31 Folding support 32 Drop-side locks I - 004 Fig.
Page 28 Design variants / accessories Ramps, pushed in Safety wire for loading bridge Electro-hydraulic unit I - 009 I - 011 I - 013 Fig. 9 Ramp stowage compartments in the Fig. 11 Loading bridge tipped to the side Fig. 13 Mounted in the chassis chassis Ramps, in position for use Central interlock...
Page 29 Design variants / accessories Hydraulic supply Steel grid extension Add-on drop side I - 014 I - 029 I - 028 Fig. 15 Switch lever, hydraulic supply Fig. 17 fitted on the basic drop-sides Fig. 19 fitted on the basic drop-sides Multi-voltage 12 V to 24 V Support frame Support wheel / spindle support...
Page 30 Design variants / accessories Spare wheel LED lights Folding support I - 015 I - 027 I - 018 Fig. 21 Spare wheel holder on the front wall Fig. 23 Tail lights + peripheral light Fig. 25 Folding supports on the rear Maintenance support Securing the load Securing the load...
Page 31 VIN - engraved Item 10-17 Name plate Name plate / weight specifications Front end, frame Item Explanation 1-3= World Manufacturer Identifier of Humbaur GmbH 4-9= Filler characters chosen by manufacturer 10-17= Sequential numbering Tab. 1 Example - VIN number General Information 29...
Page 32 Support equipment identification Spindle support (optional) Manufacturer of the spindle support: haacon hebetechnik gmbh The spindle support can be attached as an option. Josef- Haamann-Strasse 6 A name plate is attached to the spindle D-97896 Freudenberg support to identify it. Tel.
Page 33 EC Declaration of Conformity The company Humbaur GmbH hereby confirms compliance with all relevant EC guidelines for the licensing and safe operation of HTK trailers. You can separately request an - 025 EC Declaration of Conformity from us. Fig. 30 EC Declaration of Conformity...
Page 34 EC Declaration of Conformity 32 General Information...
Page 35 Operation...
Page 36 General NOTICE Exceeding the permissible angle of inclination max. 20° max. 25° When driving over slopes and descents, the maximum permissible inclination max. 20° max. 25° angle of the towing eye and pin coupling can be exceeded. Trailer, towing eye, and pin coupling can be damaged.
Page 37 Stability NOTICE WARNING Loss of stability during loading and Driving onto the trailer unloading When driving onto the trailer The rear axle and the chassis can be or if the load distribution is not damaged / subjected to excessive loads. uniform, the trailer can tip to the side - risk of crushing /striking! ...
Page 38 Stability B - 007 Fig. 4 Driving onto the trailer Max. values / load bearing capacity WARNING Max. ramp angle 30 % (16.5°) Overloading the ramps Single-axle vehicles 1420 daN (Kp) The ramps can be deformed. The vehicle may fall / topple over Double-axle vehicles: - risk of crushing / striking! B - 008...
Page 39 Loading and unloading Loading and unloading vehicles Procedure: WARNING  Position the trailer on firm ground to Limited visibility prevent it from sinking in or toppling When driving in reverse, over. persons could be overlooked  Secure the trailer against rolling away. and run over.
Page 40 Loading and unloading Loading and unloading WARNING WARNING WARNING Dirty/wet loading platform Entering the loading platform Loading/unloading with a crane The loading platform can When climbing onto / down from become slippery due to dirt, the loading platform / the chassis, The attachment can tear and the water or ice - risk of slipping / persons can fall over the mud...
Page 41 Loading and unloading WARNING Load / load-securing elements on the loading platform The loading platform can be obstructed by the loaded goods, squared timbers, ratchet straps and pallets - risk of tripping!  Make sure there is enough light on the loading platform.
Page 42 Loading and unloading B - 009 Fig. 9 Tipped loading platform / danger areas Procedure:  Always make sure that traffic is not  Never stand in the danger area while  Keep off the loading platform and the obstructed. loading / unloading bulk goods.
Page 43 Loading and unloading After loading and unloading The body must be completely WARNING Prerequisites for safe driving closed and secured during the with trailer: drive. Driving with the ramps incorrectly stowed / open drop-sides / flaps The load must be properly ...
Page 44 Load distribution / max. weights Permissible weights and load distribution 2,075 B - 020 B - 021 Fig. 10 Example - load distribution plan Fig. 11 Load definition HTK Distance between the centre of gravity of the load and the front wall of the loading Example for HTK 6.5 t: platform Centre of gravity of the load...
Page 45 Connection element: towing eye General A towing eye is fitted to the draw bar in order to connect the trailer with the towing vehicle. DANGER Damaged connection element The trailer could become disconnected from the towing machine during the drive - risk of accidents! B - 010 Fig.
Page 46 Connection element: towing eye Possible Towing eye versions ISO 50 DIN 40 B - 011 B - 012 B - 013 Fig. 13 Inner diameter of bushing Fig. 14 Thickness of towing eye Fig. 15 Towing eyes with wear bushings Bushing (internal diameter D40 / D50) Towing eye identification Towing...
Page 47 Connecting the trailer to / disconnecting the trailer from the towing vehicle Connecting the towing machine to the WARNING WARNING trailer and detaching the trailer from the towing vehicle are two of the most Rolling towing vehicle Allowing trailer to run up dangerous procedures when operating There is a risk of crushing Coupling / attaching the trailer...
Page 48 Connecting the trailer to / disconnecting the trailer from the towing vehicle WARNING CAUTION Improperly uncoupled trailer Pin coupling is difficult to access Trailer can start moving and tip over. Hands / fingers can be crushed when operating the pin coupling. The trailer can hit and run over persons - risk of crushing! You could hit your head.
Page 49 Coupling Available versions of pin couplings B - 022 B - 023 B - 024 Fig. 17 Manual Fig. 18 Electrical Fig. 19 Pneumatic Operating lever Electric motor Control system Catcher Control display The pin is operated exclusively by hand In addition, the state of the coupling You will find information on using using the operating lever.
Page 50 Coupling Preparation Coupling  Before coupling for the first time, check that the towing vehicle - trailer connection is permissible. - Do the trailer coupling size and the towing eye size match? - Can the maximum permissible vertical load of the trailer be carried by the coupling of the towing vehicle? B - 015 B - 016...
Page 51 Coupling B - 017 B - 019 B - 018 Fig. 22 Driving up Fig. 23 Height adjustment of the draw bar Fig. 24 Incorrect height adjustment Towing eye Crank Towing eye Pin coupling (catcher) Safety cable Pin coupling (catcher) Central axis Draw bar Central axis...
Page 52 Coupling Coupling process B - 025 Fig. 25 Coupling Towing eye Pin coupling (catcher) Central axis If the coupling is not properly locked:  Open the pin coupling (Fig. 25/2).  Open the coupling.  Leave the danger area between the ...
Page 53 Coupling After coupling B - 026 Fig. 26 Establishing connection Brake line (yellow) Supply line (red) Lighting cable EBS / ABS cable Hydraulic line  Connect the lines to the towing vehicle  If necessary, connect the hydraulic in this order: line to the towing vehicle.
Page 54 Uncoupling Uncoupling B - 027 B - 028 Fig. 27 Correctly uncoupling the trailer Procedure:  Disconnect the lines from the towing  Unlock and open the pin coupling  Apply the spindle parking brake of the vehicle in this order: on the towing vehicle (see page 47).
Page 55 Check before driving off and when parking Check before driving off Check when parking – The trailer is properly coupled. – The trailer is properly uncoupled. – Brake and supply line are connected. – Spindle parking brake is applied. – Hydraulic line is connected, where –...
Page 56 Check before driving off and when parking 54 Operation...
Page 57 Operating the chassis...
Page 58 Operating elements F - 001 Fig. 1 Operating the chassis Spindle parking brake Support wheel / support equipment Service brake with release valve Side guard Wheel chocks Underrun guard Folding supports (on the rear) 56 Operating the chassis...
Page 59 Service brake system General The Humbaur GmbH brake system is an Electronic Braking System (EBS) and meets the requirements of EC guideline ECE R13. Driving without one of these connections and/or driving without a plugged-in connection cable is illegal! Trailers with EBS may only be operated...
Page 60 Service brake system WARNING DANGER EBS connection cable not connected Coupling / uncoupling the lines in incorrect order The automatic braking force regulation is out of operation, the wheels could lock If the supply line is connected during braking. before the brake line, the service brake is released.
Page 61 Service brake system Coupling / uncoupling the lines Coupling Uncoupling F - 006 F - 002 F - 003 Fig. 7 Connections parked Fig. 8 Coupling Fig. 9 Uncoupling Supply line (red) "Brake" coupling head (yellow) Parking sockets for coupling heads Brake line (yellow) "Supply"...
Page 62 Service brake system Operating the service brake for manoeuvring A trailer which is coupled up but on which WARNING WARNING the lines have not been connected can be manoeuvred by releasing the service Deactivating the service brake Closing the release valve with brake.
Page 63 Service brake system Deactivating the service brake Activating the service brake F - 004 F - 005 Fig. 10 Releasing the service brake Fig. 11 Service brake in driving position Release valve pressed in Release valve pulled out  Press the release valve (Fig. 10/1). ...
Page 64 Spindle parking brake Operating the spindle parking brake B - 015 F - 007 F - 008 Fig. 12 Spindle parking brake locked in Fig. 13 Applying the spindle parking brake Fig. 14 Spindle parking brake, locked driving position Crank Crank handle Crank Safety cable with hook...
Page 65 Spindle parking brake WARNING Driving with the crank unsecured The crank may be torn off while you are driving - risk of striking!  Before driving off, check that the crank is secured with the safety cable. F - 009 F - 010 Fig.
Page 66 Operating the quick-release Removing Coupling coupling As an option, vehicles from Humbaur GmbH can be equipped with the Duo-Matic automatic quick-release coupling system. With this coupling system, the supply and brake lines are always connected or disconnected at the same time, due to their design and construction.
Page 67 Duo-Matic quick-release coupling (option) Uncoupling Parking F - 014 Fig. 19 Duo-Matic, uncoupled Fig. 20 Duo-Matic, parked Handle Cover, Duo-Matic coupling Quick-release coupling on the towing Safety chain with spring pin vehicle Duo-Matic coupling head  Pull the handle (Fig. 19/1) of the ...
Page 68 Compressed air tank Pressure level in the compressed air tank The compressed air supplied from the towing vehicle (up to 10 bar) to the trailer via the supply line has a maximum oper- ating pressure of 8.5 bar (depending on the switch-off pressure of the compressor in the towing vehicle).
Page 69 Compressed air tank Draining the compressed air tank On trailers fitted with manual CAUTION drain valves, the tanks must be regularly drained and leaking Working under the trailer drain valves must be replaced. You could hit your head. With automatic drain valves, manual draining/bleeding is not required.
Page 70 Hydraulic supply Hydraulic system The trailer's telescopic cylinder, which WARNING tips the loading platform, is powered HYDRAULIC-SYSTEM / Cylinder hydraulically. Lines are under pressure Technische Daten / Technical Data: The hydraulic unit is designed as a 1-circuit The hydraulic line is under pressure = 180 bar max.
Page 71 Hydraulic supply HYDRAULIC 620.00439 F - 015 F - 01 F - 016 Fig. 24 Hydraulic line for towing vehicle Fig. 25 Switchover of hydraulic supply Parking socket Lever position: for towing vehicle Line connection (SVK BG3) Read the operating manual for The lever (Fig.
Page 72 Hydraulic supply Coupling Tipping the loading platform Uncoupling F - 022 F - 025 F - 023 Fig. 26 Hydraulic line, connecting Fig. 27 Loading platform, tipped (example Fig. 28 Hydraulic line, parking illustration) Line connection Parking socket Towing vehicle Loading platform Hydraulic connection The line must not be under pres-...
Page 73 Hydraulic supply Electro-hydraulic unit (optional) The electro-hydraulic unit comprises the WARNING WARNING electric pump, oil tank and batteries and is integrated in the chassis. Danger when handling Hot batteries batteries The electric pump is supplied with 12 V Bridged batteries can become by means of a battery.
Page 74 Hydraulic supply F - 018 F - 020 F - 024 Fig. 29 Electro-hydraulic unit Fig. 30 Unit closed Fig. 31 Oil filling quantity Electric pump Cover Control strip for oil level (min. / max.) Hydraulic oil tank Filling port Batteries (12 V) Maintenance / servicing work on The raised loading bridge must...
Page 75 Hydraulic supply Tipping the loading platform electro-hydraulically F - 019 F - 017 F - 021 Fig. 32 Electro-hydraulics control point Fig. 33 Switchover Hydraulic supply Fig. 34 Tipping the loading platform Remote control Lever position: for electro-hydraulic pump Operating button: Raise Plug-in switch (ON / OFF) Plug-in switch: switched to ON Battery charging point (12 V)
Page 76 Hydraulic supply Lowering the loading platform to normal position electro-hydraulically F - 026 F - 062 F - 063 Fig. 35 Lowering the loading platform to Fig. 36 Electro-hydraulics switched off Fig. 37 Battery charging point normal position Plug-in switch Socket, closed Operating button: Lower Charging plug (12V)
Page 77 Operating the loading platform (tipping / lowering) Securing the loading platform F - 027 F - 028 F - 029 Fig. 38 Loading platform tipping bearings Fig. 39 Tipping bearings Fig. 41 Securing pin version Front tipping bearings (fork tipping Ball bearing, on the chassis Securing pin version A bearings)
Page 78 Operating the loading platform (tipping / lowering) Fastening the tipping bearings F - 030 F - 033 F - 034 Fig. 42 Securing pins inserted only at the front Fig. 43 Inserting the securing pins Fig. 44 Securing pin, fastened Securing pin version A Securing pin Securing...
Page 79 Operating the loading platform (tipping / lowering) Fastening the bearings for tipping towards the rear F - 031 F - 032 F - 039 Fig. 45 Securing pins inserted at the rear Fig. 46 Tipping the loading platform towards Fig. 47 Loading platform fully tipped the rear Securing pin A Loading platform, fully raised...
Page 80 Operating the loading platform (tipping / lowering) Fastening the bearings for tipping to the side F - 036 F - 037 F - 038 Fig. 48 Securing pins inserted on the left in Fig. 49 Loading platform tipped to the side Fig.
Page 81 Folding support Operating the folding supports WARNING CAUTION WARNING Loading / unloading without Operating the folding Sinking support feet extending the folding supports The support feet can sink into supports Danger of fingers / hands being soft /sagging ground. Loading / unloading without crushed between the chassis The trailer can tip over - risk of folding down the support feet...
Page 82 Folding support Pulling the folding supports out Adjusting F - 040 F - 043 F - 041 Fig. 51 Folding support lowered Fig. 52 Adjusting the foot Fig. 53 Folding support extended Adjustable foot Adjustable foot Distance from subsurface Securing pin with spring pin Socket pin (approx.
Page 83 Folding support Pushing the folding supports in Checking the position F - 042 F - 044 Fig. 54 Folding support in driving position Fig. 55 Driving position Spring bar Spring bar, engaged Folding support Folding support, folded up Securing pin, inserted / secured ...
Page 84 Support wheel Operating the support wheel The support wheel supports the draw bar CAUTION when the trailer is uncoupled. Manoeuvring with the support wheel WARNING lowered The load is too great for the support Driving with the support wheel wheel and the wheel is deformed. When lowered uncoupled, the front of the trailer will drop The support wheel can touch down on...
Page 85 Support wheel Raising the support wheel F - 060 Fig. 57 Support wheel raised / secured The support wheel must not be  Extend the crank (Fig. 57/5).  Turn the crank anti-clockwise until raised until the trailer has been Press against the spring.
Page 86 Support wheel Lowering the support wheel F - 061 Fig. 58 Support wheel raised / secured The support wheel must be  Extend the crank (Fig. 58/5).  Turn the crank anti-clockwise until lowered before uncoupling the Press against the spring. the support wheel (Fig.
Page 87 Support equipment / spindle support, optional Operating the support equipment For details of operation, read WARNING WARNING the manufacturer's operating manual. Driving with the support feet lowered Sinking support feet The support equipment can touch down Always observe the following: The support feet can sink into on the road during the journey and be soft /sagging ground.
Page 88 Support equipment / spindle support, optional Lowering Activating the load gear Raising / securing F - 046 - 047 F - 045 Fig. 59 Support foot extended Fig. 60 Switching the load gear on Fig. 61 Support foot raised Hand crank Hand crank Hand crank Support foot...
Page 89 Side guard Side guard The side guard is used as approach protection. It is located on the sides of the trailer and is a legally required safety component. It is illegal to drive without a side guard. F - 048 F - 049 Fig.
Page 90 Underrun guard Underrun guard F - 050 Fig. 64 Rear end of the trailer Underrun guard The underrun guard (Fig. 64/1) is a safety component which prevents vehicles being pushed under the chassis in the event of an accident. Driving with a deformed / damaged underrun guard is illegal.
Page 91 Spare wheel storage Operating the spare wheel You must observe the local WARNING WARNING regulations, safety rules and fundamental principles when Unsecured spare wheel Working under the trailer removing / returning the spare The spare wheel can fall during the This can result in striking and wheels, and when maintaining journey - risk of injury!
Page 92 Spare wheel storage Spare wheel transport Removing The spare wheels can be transported as follows:  Unscrew and remove all 4 spare wheel nuts (Fig. 65/3). – on the loading platform, lashed down Hold the spare wheel in position as –...
Page 93 Wheel chocks General Wheel chocks can be attached to WARNING CAUTION different parts of the trailer, depending on the version and the optional equipment Parking the trailer on a slope Operating wheel chocks of the trailer. under the chassis The service brake can give way, causing the trailer to roll - risk of You could hit your head on the On upward/downward slopes,...
Page 94 Wheel chocks Operating wheel chocks Using wheel chocks B - 016 F - 052 Fig. 66 Wheel chocks, parked Fig. 67 Wheel chocks in place Wheel chock Wheel chock Holder Retaining spring  Place the wheel chocks (Fig. 67/1) Removing the wheel chock under the wheel with their full surface ...
Page 95 Toolbox General Operating the toolbox Setting up the toolbox A lockable toolbox is available as an option. The location depends on the other equip- ment on the trailer. The toolbox is used to stow lashing straps, tools, cleaning utensils, etc. The toolbox serves as a substitute for the side guard.
Page 96 Toolbox Opening Closing F - 055 F - 056 Fig. 70 Toolbox open Fig. 71 Toolbox closed Locks  Swing the lid up.  Remove the covers (Fig. 68/2) from  Clasp the locks (Fig. 70/2) from above the lock cylinders and close the lid and press them downwards.
Page 97 Warning signs (optional) Parking warning signs The parking warning signs can be attached to the front and rear of the trailer on the left in the direction of travel. They make the parked trailer easier to see / recognise. WARNING Driving with the parking warning sign unfolded F - 057...
Page 98 Warning signs (optional) 96 Operating the chassis...
Page 99 Operation: body...
Page 100 General notes The construction mainly consists of: – Lateral drop-sides WARNING WARNING – Rear platform gate Objects on the body Unsecured / shifting load – Front wall Ice, snow, branches and other Loads can fall out of the trailer – Ramps objects can fall off the body/ when the clamping elements loading platform during the...
Page 101 General notes 15 16 A - 001 A - 002 A - 003 Fig. 1 Body - components Fig. 2 Body - components Fig. 3 Body - components Front wall, fixed Loading platform / loading floor, steel 12 Swing interlock lever Drop-side, lateral, right + left / folding Lashing bracket, lowerable 13 Transmission rod...
Page 102 General notes A - 004 A - 005 A - 006 Fig. 4 Body - accessories Fig. 5 Body - accessories Fig. 6 Body - accessories Support frame Steel grid extension Add-on drop side 100 Operation: body...
Page 103 Drop-sides General operation of the drop-sides The drop-sides make form-fit load WARNING CAUTION securing possible. Driving with partly dismantled drop- Drop-sides under pressure Driving with open or partly disas- sides from the load sembled drop-sides is illegal. The drop-sides cannot be secured - risk The drop-sides can spring of accidents! open - risk of striking!
Page 104 Drop-sides Front wall Dismantling The front wall secures the load with form- fitting.  Release the screw connections The drop-sides are secured to the front (Fig. 7/3) on the posts (Fig. 7/2). wall.  Release the locks of the drop-sides and fold the drop-sides down.
Page 105 Drop-sides Lateral drop-sides A - 007 A - 009 A - 010 Fig. 8 Drop-side right + left Fig. 9 Lock, secured Fig. 10 Lock, released Drop-side, made of steel Bearing pin Bearing pin Hinge Locking lever Locking lever Lock, front + rear Secondary lock Secondary lock Releasing the locks...
Page 106 Drop-sides A - 012 A - 013 Fig. 11 Drop-side folded down Fig. 12 Loading platform tipped to the side Fig. 13 Drop-side, secured Locks, open Loading platform Drop-side, raised Drop-side, folded down Danger area Lock, secured Folding down the drop-side Closing / securing the drop-side ...
Page 107 Drop-sides A - 068 A - 014 A - 015 Fig. 14 Drop-side hinges Fig. 15 Dismantling the drop-side Fig. 16 Drop-side mounted (driving position) Safety splint pin Safety splint pin Safety splint pin, inserted Drop-side, secured Hinge (bolted) Drop-side, secured Hinge (welded) Dismantling Fitting...
Page 108 Drop-sides Rear platform gate The rear platform gate can be folded down or swung open at the hinges via the central interlock. Loose bulk goods can be tipped from the trailer when the rear platform gate is swung open at the hinges. WARNING Opening the rear platform gate with the loading platform...
Page 109 Drop-sides Fold-down operation A - 017 A - 018 A - 019 Fig. 19 Rear platform gate folded down Fig. 20 Rear platform gate folded down Fig. 21 Rear platform gate, secured Bearing pin Locks, open Rear platform gate, raised Locking lever Rear platform gate, lowered Locks secured...
Page 110 Drop-sides Swing mode A - 021 A - 022 A - 023 Fig. 22 Central interlock released Fig. 23 Rear platform gate unlocked Fig. 24 Swing mode Lever, opened Locking lug Rear platform gate, hinge-mounted at the Locking hook Lever, in opened position The rear platform gate must be The locking hooks (Fig.
Page 111 Drop-sides A - 024 A - 025 A - 026 Fig. 25 Rear platform gate, closed Fig. 26 Closing the central interlock Fig. 27 Central interlock, closed Rear platform gate, folded shut Lever, closed Locking hook, open Locking hook, inserted Locking lug ...
Page 112 Add-on drop side Operating the add-on drop sides Add-on drop sides (height 400 mm) expand the loading volume of the trailer. The add-on drop side comprises 4 side walls and 2 corner post extensions in the rear area. The add-on drop sides are fitted on the basic drop-sides and secured in corner posts with locks.
Page 113 Add-on drop side Fitting / securing the front wall add-on drop side A - 029 A - 033 A - 034 Fig. 30 Preparing to fit the front wall add-on Fig. 31 Fitting the front wall add-on drop side Fig. 32 Front wall add-on drop side, secured drop side Add-on drop side posts Front wall add-on drop side, inserted...
Page 114 Add-on drop side Fitting the add-on drop sides on the sides / at the rear A - 035 A - 038 A - 036 Fig. 33 Preparing to fit the add-on drop side Fig. 34 Inserting the corner post extensions Fig.
Page 115 Support frame Operating the support frame The support frame is mounted at the WARNING front, on the front wall. Lashing loads to the support frame It is used to support, for example, an excavator bucket or wheel loader. The support frame is not designed to absorb lashing forces.
Page 116 Support frame Fitting / securing A - 029 A - 028 A - 030 Fig. 37 Preparing to fit the support frame Fig. 38 Fitting the support frame Fig. 39 Support frame, secured Trestle support frame Trestle support frame, inserted Side post Spring locking bolt Spring locking pin, inserted...
Page 117 Steel grid extension Operating the steel grid extensions Steel grid extensions (height 1000 mm) CAUTION expand the loading volume of the trailer. Unlocking steel grid exten- The steel grid extension comprises sions 4 steel grid walls and 2 corner post extensions in the rear area.
Page 118 Steel grid extension Fitting / securing front wall steel grid extensions A - 029 A - 063 A - 064 Fig. 42 Preparing to fit the front wall steel grid Fig. 43 Fitting the front wall steel grid extension Fig. 44 Front wall steel grid extension, extension secured Steel grid extension posts...
Page 119 Steel grid extension Fitting the add-on drop sides on the sides / at the rear A - 035 A - 066 A - 067 Fig. 45 Preparing to fit the steel grid extension Fig. 46 Inserting the corner post extensions Fig.
Page 120 Ramps Operating the ramps The ramps are made of aluminium and WARNING designed for the specific trailer model. They have a serrated surface for Positioning the ramps increased safety. There is a risk of crushing your The maximum load bearing fingers / hands / feet! capacity of the ramps must not B - 008...
Page 121 Ramps Taking out the ramps A - 039 A - 040 A - 041 Fig. 49 Ramp stowage compartment, Fig. 50 Ramp stowage compartments, OPEN Fig. 51 Pulling out the ramps CLOSED Flap Handle Flap Ramp stowage compartment Square socket Ramp Square key ...
Page 122 Ramps A - 042 A - 043 A - 047 Fig. 52 Lifting out the ramps Fig. 53 Ramps, removed Fig. 54 Checking the ramps Ramp Ramps, laid on the ground Load bearing capacity / loading limits Securing pin Rear platform gate, folded down Name plate ...
Page 123 Ramps Positioning the ramps A - 044 A - 045 A - 046 Fig. 55 Chassis - loading platform edge Fig. 56 Putting the ramps in position Fig. 57 Putting the ramps in position Loading platform edge Securing pin Outer hole Holes Inner hole Along the edge of the loading platform...
Page 124 Ramps Driving over the ramps The driver must have the wheels in direct WARNING line of sight when driving over the ramps. If the driver cannot see the wheels, the Unsecured ramps ramps may only be driven over with The ramps can slip off the edge of the the assistance of a second person for loading platform, causing the vehicle to guidance.
Page 125 Ramps Stowing the ramps The ramp stowage compart- ments may only be used to transport the ramps. Transporting other objects in the ramp stowage compartments is not permissible! WARNING Driving with unsecured ramps A - 049 A - 050 The ramps can be hurled out of the Fig.
Page 126 Ramps A - 051 A - 052 A - 053 Fig. 61 Sliding the ramps in Fig. 62 Securing the ramps Fig. 63 Ramp stowage compartments, secured Ramp Flaps Securing pin Ramps, fully inserted Flaps, closed Flap Square key  Open the flaps (Fig. 61/3) of the ramp ...
Page 127 Securing the load General information Legal basics / legal requirements Guidelines of series VDI 2700 These are the state of the art of the Many accidents are still attributable Load securing is regulated in Germany accepted engineering standards. to failure to secure loads correctly. by the following laws and regulations: Correctly secured loads prevent: –...
Page 128 Securing the load Physical fundamentals The forces acting on the load during § 3 of StVO (German Road Traffic Regu- the journey are those due to starting and lations) "Speed" contains a passage on braking as well as changes of direction. "adapting the driving speed to the prop- 0 , 5 erties of the vehicle and load by the...
Page 129 Securing the load Tab. 2 Load securing force (F Inertia F Force which counters any change in the state of movement A - 107 Load securing force F : Force which must be absorbed by the lashing equipment or the vehicle body Friction force F : coefficient of sliding friction x weight force Calculation formula: F...
Page 130 Securing the load Types of load securing Form-fit load securing Friction-lock load securing NOTICE Supporting the load in stacks one on top Direct anchoring and tying down the load Exceeding lashing forces/ of the other as well as body components with lashing equipment is called "friction- insufficient lashing angle such as the front wall and drop-sides or...
Page 131 Securing the load Friction-lock load securing Force specifications WARNING DIN Zurrpunkte Impermissible tensile loads / 2000 (kg) lashing angles Lashing equipment may break / be torn off. The load is not adequately min. 30 ° secured - risk of accidents! ...
Page 132 Securing the load Lashing points Operating the lashing points  Press the tie-down bracket (Fig. 67/2) out from below.  Press the pivoting tie-down bracket (Fig. 68/2) down from the corner and pull it out from the other side. The pivoting tie-down bracket remains in vertical position.
Page 133 Securing the load Form-fit load securing The HTK trailer in box form with side walls can be used for form-fit load securing by means of specific arrange- ment of the load. A combination of form-fit and friction-lock securing is achieved with: –...
Page 134 Ladders Access aids As an option, the rear platform gate can be equipped with a folding step. The folding step can be used to climb onto and down from the loading platform. The folding step is fitted on the inside of the rear platform gate near the corner posts.
Page 135 Ladders Operating the folding step A - 057 A - 059 A - 058 Fig. 71 Folding step, raised Fig. 72 Folding step, folded up Fig. 73 Folding step, folded up Step Step Step, secured Rear platform gate Folding the step down Using the step Folding the step up ...
Page 136 Ladders 134 Operation: body...
Page 137 Electrical system...
Page 138 General Light system / EBS modulator Connecting EBS/ABS WARNING WARNUNG EBS / ABS WARNING Failure of electrical functions The driving characteristics and the braking distance are impaired - risk of accidents!  Check that all electrical connections EBS ALB (LSV/CDF) ABS are established before driving off.
Page 139 Plug connections Plug connections (standard) Standard model electrical connection in 24 V: – with 7-pin EBS/ABS plug acc. to ISO 7638 – with 15-pin electrical plug acc. to ISO 12098 E - 001 E - 002 Fig. 3 Plug connections on the chassis "LED“ Fig.
Page 140 Plug connections Plug connections: 2 x 7-pin (optional) E - 004 E - 006 E - 032 Fig. 8 24 V connection cable, optional Fig. 9 Parking position on draw bar Fig. 10 Plug, parked 7-pin plug, 24 V-S (ISO 3731) EBS/ABS plug parking socket 7-pin plug, 24 V-N (ISO 1185) 24 V-N plug parking socket...
Page 141 Plug connections Plug connections: MAN version (optional) E - 027 E - 032 E - 033 Fig. 11 MAN connection cable, parked Fig. 12 Plug, parked Fig. 13 Plug, parked 7-pin EBS/ABS plug (ISO 7638) 7-pin plug, 24 V-N (ISO 1185) Parking socket Parking socket 4-pin plug (DIN ISO 72575)
Page 142 Plug connections Connecting the electrical system / operating the plugs E - 030 E - 008 Fig. 14 Releasing the plugs Fig. 15 Parking position on the draw bar Locking knob EBS/ABS plug (7-pin) Bar lock Electric plug (15-pin) Plug Parking socket, lid closed ...
Page 143 Plug connections Parking plugs E - 031 E - 007 Fig. 16 Securing plugs Fig. 17 Plug, parked Locking knob Parking socket / lid Bar lock Bar lock Plug Parking console  After uncoupling the trailer, place Parked plug connections are protected the plugs in the respective parking from damage / contamination.
Page 144 Contact assignment 15-pin connector ISO 12098 - 24 V Function Cross- Colour Image/arrangement section Turn indicator, left 1.5 mm² Yellow ISO 12098 Turn indicator, right 1.5 mm² Green Rear fog lights 1.5 mm² Blue Earth 2.5 mm² White Tail light left 1.5 mm²...
Page 145 Contact assignment 7-pin connector DIN ISO 1724 - 12 V Function Cross- Colour Image/arrangement section Turn indicator, left (L) 1.5 mm² Yellow DIN ISO 1724 Fog light (54G) 1.5 mm² Blue Earth (31) 2.5 mm² White Turn indicator, right (R) 1.5 mm²...
Page 146 Contact assignment 13-pin connector DIN 72570, ISO 11446 - 12 V Function Cross- Colour Image/arrangement section Turn indicator, left (L) 1.5 mm² Yellow DIN 72570, ISO 11446 Fog light (54G) 1.5 mm² Blue Earth (31) for contact no. 1-8 2.5 mm² White Turn indicator, right (R) 1.5 mm²...
Page 147 Contact assignment 7-pin EBS connector ISO 7638 (brakes) Function Cross- Colour Image/arrangement section Positive solenoid valve 4 or 6 mm² Red (KL30) ISO 7638 Positive (KL15) 1.5 mm² White/red Minus electronics (KL31b) 1.5 mm² Brown/blue Minus solenoid valve (KL31) 4 or 6 mm² Brown Warning device 1.5 mm²...
Page 148 Contact assignment 7-pin connector ISO 3731 (white) - 24 V Function Cross- Colour Image/arrangement section Earth (31) 2.5 mm² White/black ISO 3731 Not assigned (58L) 1.5 mm² Violet Reversing light (L) 1.5 mm² Grey Continuous positive power (54) 2.5 mm² Brown/blue Control over earth (R) 1.5 mm²...
Page 149 Contact assignment 4-pin connector DIN ISO 72575 (6 - 24 V) Function Cross- Colour Image/arrangement section Earth (31) 2.5 mm² White/black DIN ISO 72575 Fog light (58R) 1.5 mm² Blue Reversing light (54) 1.5 mm² Grey Not assigned (58L) E - 028 ISO 72575 E - 029 Tab.
Page 150 Standard rear light with peripheral light Standard rear light with peripheral light The standard rear lights are designed for 24 V and equipped with the following functions: – Fog light – Reversing light – Tail lights with reflectors – Brake light –...
Page 151 LED rear light with peripheral light LED rear light with peripheral light The LED rear lights are equipped with the following functions: – Fog light and reversing light – Tail light with reflector, brake light and indicator – Peripheral light E - 017 WARNING Fig.
Page 152 Marking / limit lights Marking / limit lights The white limit lights are installed on the front side of the chassis. The orange marking lights are installed on the side of the chassis. The marking / limit lights are LED lights and are supplied by the electrical unit.
Page 153 Licence plate light Licence plate light E - 016 E - 019 Fig. 21 Licence plate light, "LED" Fig. 22 Licence plate light, 24 V standard LED lamp Lights, 24 V lamps Licence plate holder Licence plate holder It is required by law that the For information on servicing licence plate be illuminated.
Page 154 Licence plate light 152 Electrical system...
Page 155 Inspection, care and maintenance...
Page 156 These include: – Damaged and non-functioning trailer – Axles components must be replaced with – Brakes original parts from Humbaur GmbH. – Screws – Pipe connections – Attachments – Mechanical switch-off and securing systems – Electrical system For details of the prescribed intervals, see the page 156 "Maintenance inter-...
Page 157 Safety tests Certificate of general inspection/ Axle/wheel maintenance Support equipment maintenance safety assessment W - 001 W - 002 W - 003 Fig. 1 Inspection log book for trailer Fig. 2 Maintenance log book for axle unit Fig. 3 Operating and service manual for support equipment HU = General inspection ZU = Intermediate inspection...
Page 158 Maintenance intervals Maintenance regulations Maintenance includes regular inspection The intervals must be adapted to user The information below is based on normal of individual components and corre- behaviour. trailer use with a max. of 20,000 km per sponding action based on the checks. year.
Page 159 Maintenance intervals Maintenance work Every Axle and wheel brake : check condition and wear Wheel nuts: check for firm seating and tighten if necessary Towing eye: lubricate Light system: check for damage Wheels: check tyre pressure, wear on tyres Compressed air system: check for leakage / cracks Hydraulic system / hoses: check for leakage / cracks Shock absorbers / telescopic hydraulic cylinders: check for leaked oil Towing eye / draw bar / tipping bearings: check for wear and firm seating...
Page 160 Tightening torques Tightening torques for screw connections Thread Strength Strength Thread Strength Strength 10.9 10.9 Tightening torque Tightening torque 5.5 Nm 8.1 Nm 425 Nm 610 Nm 9.6 Nm 14 Nm M20x1.5 475 Nm 980 Nm 23 Nm 34 Nm 580 Nm 820 Nm M8x1...
Page 161 Tightening torques Tightening torques for specific screw connections Name Thread Strength class Tightening torque Valve clamp (pneumatic control stage) M 12 10.9 73 Nm Mud guard clamp 10 Nm Mud guard pipe M 16 85 Nm Side guard M 12 10.9 73 Nm Spare wheel holder, cage mounting with strap...
Page 162 Lubrication Instructions for lubrication Lubricating grease Instructions for maintenance CAUTION work on the following assem- Lubrication point Lubricant blies can be found in the Contact with lubricants manufacturer's operating and – Towing eye Multi-purpose Lubricants can cause skin reactions. maintenance manuals: grease in acc.
Page 163 Lubrication Draw bar height adjustment Folding legs Spindle support W - 005 W - 006 W - 007 Fig. 4 Lubricating the draw bar height Fig. 5 Lubricating the folding legs Fig. 6 Lubricating the spindle support adjustment Lubrication nipple Lubrication nipple Locking handle bearing point Crank...
Page 164 Lubrication Spindle parking brake W - 021 W - 022 W - 023 Fig. 7 Lubricating the spindle parking brake Fig. 8 Lubrication point Fig. 9 Mechanical transmission system Lifting rod Lubrication nipple Deflection pulley Deflection pulley Lever Transmission cable Transmission linkage ...
Page 165 Lubrication Towing eye  Clean the wear bushing (Fig. 10/1) and the towing eye with a clean, dry cloth.  Check the diameter of the wear bushing: - at D=40 mm, max. + 1.5 mm - at D=50 mm, max. + 2.5 mm ...
Page 166 Lubrication Support wheel W - 034 W - 035 Fig. 12 Cleaning / oiling the support wheel Fig. 13 Extending / retracting the support wheel Oil gap Lubrication bore, closed Adjustment tube Support wheel bearing points The support wheel is filled with Make sure that the trailer is permanent grease at the factory.
Page 167 Lubrication Drop-side locks W - 024 W - 025 W - 026 Fig. 14 Lubrication points Fig. 15 Locks Fig. 16 Lateral drop-sides Bearing point locks Lubrication / bearing points Hinges, bolted Bearing points central interlock Lock Hinges, welded Smooth and problem-free ...
Page 168 Lubrication Central interlock W - 027 W - 028 Fig. 17 Rear platform gates Fig. 18 Central interlock Hinges / lubrication points Lubrication / bearing points, turning rod Locking lug Clevis on the turning rod Locking hook Transmission rod Clevis on the lever W - 029 Fig.
Page 169 Lubrication Tipping bearings W - 058 W - 032 W - 033 Fig. 20 Clevis tipping bearing (front end) Fig. 21 Tipping bearing ball (rear side) Fig. 22 Tipping bearing, secured Clevis cup Tipping bearing ball Tipping bearing cup Bolt, welded in Depending on the intensity of use and ...
Page 170 Hydraulics Servicing the hydraulic system Hydraulic connections Trailers with hydraulic systems require WARNING special maintenance. Working under the unsecured Maintenance / repair work on loading bridge hydraulic systems must be performed by qualified specialist The loading bridge can drop and personnel.
Page 171 Hydraulics Telescopic cylinder CAUTION Entering the area under the loading bridge There is a danger of hitting your head.  Move carefully when you are under a raised loading bridge - no hasty / rapid movements. W - 030 W - 031 The loading bridge must be Fig.
Page 172 Hydraulics W - 009 W - 037 W - 038 Fig. 26 Checking / servicing the cylinder Fig. 27 Bearing points Fig. 28 Securing the maintenance support Cylinder bearing, top, lubrication nipple Lubrication nipple, ball Maintenance support Cylinder, extended Bearing cup Locking pin Cylinder bearing, bottom, bearing points ...
Page 173 Hydraulics Electro-hydraulic unit W - 039 W - 041 F - 024 Fig. 29 Electro-hydraulic unit, open Fig. 30 Electro-hydraulic unit, closed Fig. 31 Checking the oil filling level Battery (12 V) Cover Control strip for oil level (min. / max.) Hydraulic oil tank Filling port Electric pump...
Page 174 Hydraulics Charging the battery Front section of plug (with contacts) Rubber sealing ring Rear section of plug + line no. 15/30; - line no. 31 Pin terminal no. 82 (unassigned) Contacts Charging line, connected Pre-assembling the charging plug  Unscrew the charging plug (see step 1). ...
Page 175 Loading bridge stroke limiter Switch-off / securing mechanisms W - 043 W - 044 Fig. 34 Loading bridge tipped towards the rear Fig. 35 Loading bridge tipped to the side Safety wire / safety cable Safety wire / safety cable Stroke limiting cable Stroke limiting cable Switch-off lever / valve...
Page 176 Tyres / wheels: Tyre types Tyre pressure in bar (psi) maximum pressure (kg) 3.00 3.25 3.50 3.75 4.00 4.25 4.50 Type Load Tyre bearing equipment (44) (47) (51) (54) (58) (62) (65) capacity (index) 215 R 14 C Single 1620 1725 1830 1935...
Page 177 Tyres / wheels: Tyre pressure / tread Tyres should only be fitted by  Check the tyre pressure (see page175) Wheel nuts qualified technical personnel. on all wheels regularly. WARNING Check the tyre pressure when the tyres WARNING are cold (before driving off or when the Wheel nuts work loose vehicle has not been driven for some Driving with degraded tread / incor-...
Page 178 Tyres / wheels: Wheel changing DANGER WARNING CAUTION Carelessness on the road Unsecured trailer Hot brakes You can hinder the flow of traffic when The trailer can start moving and You can burn yourself on hot changing tyres - risk of accidents! tip over - danger of accidents! brake disks / drum brakes when changing a wheel.
Page 179 Tyres / wheels: Securing the trailer Putting a lifting device into position Always observe the following when changing wheels: W - 011 W - 012 W - 010 Fig. 37 Securing the vehicle Fig. 38 Putting a lifting device into position Fig.
Page 180 Tyres / wheels: Replacing a defective wheel Spare wheel storage Getting the spare wheel ready Adhere to the following regulations,  Have the spare wheel ready. safety rules and principles when main-  Unscrew the nuts on the defective  Obtain help from another taining and checking spare wheel wheel.
Page 181 Tyres / wheels: Alloy disc wheels Fixings, lines, Cable clips Lubricants for the hubs  Thoroughly clean the dirty trailer.  Remove rust from fixings. Alloy disc wheels are only approved for hub centring.  Check the plug contacts of the elec- trical connections.
Page 182 Brake system Brakes are safety components! – Adhere to the road traffic licensing regulations (StVZO in Germany). – General inspections must be conducted by accredited workshops – Have the brake system checked and serviced regularly. – Work on the brake system may only be carried out by qualified specialists with the appropriate levels of knowl- W - 045...
Page 183 Brake system Wheel brake Compressed air system Compressed air tank WARNING Condensate in the compressed air system The brake system can be destroyed or fail.  Regularly drain the compressed air system. W - 014 W - 013 CAUTION Fig. 43 Chassis underside Fig.
Page 184 Brake system Cleaning the line filter Dismantling  Press the cover (Fig. 45/8) down- wards with a screwdriver and pull out the bracket (Fig. 45/9).  Remove both springs (Fig. 45/3 & Fig. 45/6), the seal (Fig. 45/7), the intermediate plate (Fig. 45/5) and the filter (Fig.
Page 185 Brake system Assembly Cleaning the Duo-Matic coupling  Insert the intermediate plate into the filter housing with the latches pointing upwards.  Set the small springs (Fig. 45/6) on the latches of the intermediate plate.  Set the cover (Fig. 45/8) on top. ...
Page 186 Brake system Cleaning the coupling heads Dismantling Assembly  Using a hexagon socket, press  Insert the metal ring into the spring the cover (Fig. 47/6) into the housing with the edge downwards. (Fig. 47/1) as far as the stop. Turn ...
Page 187 Electrical system Lighting terminal diagram CAUTION NOTICE WARNING Short circuit in the electrical Contamination during installation system Electrical elements, lamps can become Insufficient lighting People may suffer burns. contaminated during installation when Increased risk of accident due to failure touched with bare fingers or in a dirty Short circuits could set the trailer of the vehicle lighting.
Page 188 Electrical system Lights Function DIN / form Cap type Output (W) Side marking lights/rear reflector light (orange) 12 V = 0.5 / 24 V = 1.1 Limit light (white) 12 V = 0.6 / 24 V = 1.3 Rear lights "24 V - standard" Indicator P21W Ba15s...
Page 189 Electrical system Replacing lights Rear light "24 V - standard"  Check that the lamp is secure.  Set the outer light lens tightly on the housing (Fig. 49/3).  Make sure that the seal (Fig. 49/1) is seated correctly. Replace damaged / torn seals.
Page 190 Electrical system Peripheral light W - 051 W - 052 W - 053 Fig. 50 Removing the rubber arm Fig. 51 Replacing the lamp Fig. 52 Pulling on the rubber arm Rubber arm cover Lamp Lamp Lamp Socket Rubber arm cover Screw fitting ...
Page 191 Electrical system Rear light "LED" W - 054 W - 055 Fig. 53 Rear lights "LED" Fig. 54 Rear lights, attachment Inside lamp Screw fitting, inside lamp Reversing lights Connection cable Rear fog lights Screw fitting, outside lamp Connection cable Screw fitting, arm Outside lamp Tail lights with reflectors...
Page 192 Electrical system Licence plate light "LED" Licence plate light "Standard" W - 019 W - 048 Fig. 55 Licence plate lighting Fig. 56 Licence plate lighting 24 V LED light Fixing screw Fixing screw / nut Lamp body Connection cable with connector Light lens Licence plate holder Light...
Page 193 Electrical system Side marking lightn Limit lights W - 056 W - 057 Fig. 57 Side marking light "LED“ Fig. 58 Front wall limit light Fixing screw Fixing screw LED lamp body (orange) LED light (white) A defective LED light must be completely A defective LED light must be completely replaced.
Page 194 Painting/lettering HUMBAUR trailers and bodies are partly Lettering work coated with air-drying 2K acrylic paints. To avoid damage to the paint during The drying time depends on the ambient lettering work, please observe the temperature, and particularly at low following: temperatures, these paints can take –...
Page 195 Cleaning / care Necessity The service life and functionality of the WARNING CAUTION trailer depends on how often and how intensively you clean your trailer and how Cleaning / care products can Entering the trailer / loading be toxic platform when cleaning the different materials, surfaces and components are cared for.
Page 196 Cleaning / care hoses to petrol, benzene, petroleum Environmental protection NOTICE or mineral oil. regulations Use only water to remove dirt residue. Use of aggressive cleaning agents  Do not apply sprays or grease to the DANGER for the Chemicals, salts, acids and alkalis can environment! brake and hydraulic hoses.
Page 197 Cleaning / care High-pressure cleaners Cleaning alloy disc wheels Proceed as follows when cleaning with NOTICE high-pressure cleaners:  Wash the alloy disc wheels regularly, Cleaning with high-pressure cleaners especially after: Components/surfaces which are sprayed - transporting alkaline materials,  Read the manufacturer's directly with too much pressure at a short - in winter, where roads are treated...
Page 198 Cleaning / care Trailer materials W - 020 Fig. 59 Materials / surfaces The trailers are made of various materials. Steel, painted/coated Steel, galvanised Observe the special instructions for Aluminium, anodised caring for the various materials/surfaces. Plastic Rubber (hoses) 196 Inspection, care and maintenance...
Page 199 Cleaning / care Galvanised steel surfaces  Apply zinc protection (zinc spray) to the Painted or powder-coated steel affected areas. surfaces Galvanised surfaces / components  If necessary, seal the surface with wax. (e.g. chassis, draw bar, ramps) need to Painted surfaces / components oxidise in order to be protected against (e.g.
Page 200 Cleaning / care Aluminium Rubber/seals Aluminium components / profiles coated Rubber parts such as elastic seals, with anodising aluminium offer optimum sealing joints with PU adhesive / sealant protection against corrosion. e.g. on doors, covers, flaps, hinged Surfaces coated with anodising windows, loading platforms etc.
Page 201 For your trailer and its attach- vapours are highly flammable circuits. ments, use only operating materials and pose a health hazard -  Cover the battery poles before starting approved by HUMBAUR GmbH or danger of poisoning! work. the manufacturer of the respective attachments. ...
Page 202 Disposal Disposing of operating materials Used oil/lubricants Electrical and electronic waste Used oil, lubricating grease, coolants and refrigerants, fuels, batteries and recharge-  Dispose of electrical and electronic able batteries are waste waste in your local recycling centre  Used oil, lubricants, requiring special monitoring.
Page 203 Disposal Taking trailer out of operation Disposing of the trailer  Secure the trailer against unauthor-  Take the complete trailer to a car / ised use by third parties, e.g. secure vehicle recycling company. the power supply against being The specialist personnel of the car / switched on.
Page 204 Disposal 202 Inspection, care and maintenance...
Page 205 Troubleshooting...
Page 206 What to do in the event of fire This section contains information on In the event of more serious problems, possible faults and malfunctions on the please contact Humbaur Service WARNING trailer. The information is intended to (see the contact addresses listed on the facilitate troubleshooting and enable you next page).
Page 207 Fax.:+49 821 24929 540 www.humbaur.com E-mail: service@humbaur.com Online, via e-mail, by phone info@humbaur.com Contact information, Parts Logistics Humbaur Service Partners Tel.: +49 821 24929 0 can be found at www.humbaur.com Fax.:+49 821 24929 200 under Dealers/Service/Repairs E-mail: parts@humbaur.com Troubleshooting 205...
Page 208 Loading / driving performance Fault Possible causes Remedy The trailer pulls to the left / right when - The load is not evenly distributed. Distribute the load evenly. driving. - The tyre pressure is not uniform. Adjust the tyre pressure properly for all tyres.
Page 209 Brake system Fault Possible causes Remedy Brake does not disengage correctly. - Brake is not correctly set. This fault must be rectified by personnel - Brake shoe return spring has slackened. at an approved workshop. - Brake shaft jamming (drum brake). - Pressure line / brake line kinked.
Page 210 Electrical system Fault Possible causes Remedy Wiring / switches - Terminals loose or contaminated. Clean the connections. - Cable broken or terminals damaged. This fault must be rectified by personnel at an approved workshop. Lighting does not work. - Lamp failure. Replace the lamp.
Page 211 Axles Fault Possible causes Remedy The trailer creaks during the journey / - Bearings set too loosely or too tight. This fault must be rectified by personnel bearing wear. - Foreign body in the axle bearing. at an approved workshop. - Insufficient axle lubrication.
Page 212 Towing eye / draw bar Fault Possible causes Remedy The trailer is not horizontal after coupling. - Coupling height is not correctly adjusted. Set the coupling height correctly. - The support foot is not folded up. Fold the support foot up. 210 Troubleshooting...
Page 213 Hydraulic / electro-hydraulic system Fault Possible causes Remedy Trailer is losing oil. - A hydraulic line or screw connection Have the line / screw connection replaced is defective. in an approved workshop. - A hydraulic screw connection has Screw the connection tight. worked loose.
Page 214 HUMBAUR WISHES PLEASANT DRIVING! 212 Troubleshooting...
Page 216 MAKES IT HAPPEN Humbaur GmbH Mercedesring 1 86368 Gersthofen Germany Tel. +49 821 24929-0 info@humbaur.com www.humbaur.com      ...

This manual is also suitable for:

Htk 504020 Htk 654020 Htk 754020

Humbaur HTK Series Operating Manual

Quick Links

Need help?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Humbaur HTK Series

Summary of Contents for Humbaur HTK Series

This manual is also suitable for: