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2.5. Stabiliser system

Every loader is equipped with two stabiliser extensions and
two stabiliser legs. Auxiliary stabiliser systems may be
needed for heavy loaders.

(1) Stabiliser beam. The stabiliser beam is a part of the
loader base.
(2) Stabiliser extensions.
(3) Stabiliser locking device.
(4) Stabiliser legs.

2.6. Operating system - hydraulic components

The operating system consists of the following hydraulic components:

• oil tank
• hydraulic pump
• oil cooler [option on some loaders]
• main control valve
• stabiliser control valve
• hydraulic hoses and lines
• actuators:

- first boom cylinder
- second boom cylinder
- extension cylinder/s
- slewing cylinders

• return filter/oil tank
• pressure filter

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Structure and parts of the loader

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HIAB J14S J24S

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Summary of Contents for J14S

Page 1: ...HIAB J14S J24S Operator s Manual GB This operator s manual is an Original Instruction and applies for loaders from serial number BJ14S0000001 BJ24S0000001 2020 07 ...

Page 2: ...self with your loader before you start to use it Help us to improve this manual Please send your comments and suggestions to documentation hiab com This manual includes interactive contents Download the Hiab AR App for the interactive content in this manual Look for the AR symbol Use your device to scan the image next to the symbol The interactive contents in the Hiab AR App will display suggestio...

Page 3: ...e loader 17 3 4 Maximum load 17 3 5 Signals when using a loader AR 19 3 6 Use of the loader 22 3 6 1 Use of lifting equipment 27 4 Manual control system 30 4 1 Operation from the high seat 30 4 2 Extension boom control system 32 5 Starting loader operation 33 5 1 Starting operations 33 5 2 Extend stabiliser extensions and set stabiliser legs 33 5 2 1 Stabiliser system and ground conditions 34 6 Du...

Page 4: ...ulics 53 8 7 1 Loader base checking the oil level oil change 53 8 7 2 Bleeding air from the hydraulic system 53 8 7 3 Replacing the cartridge in return oil filter 54 8 7 4 Replacing the cartridge in high pressure filter 55 8 7 5 Checking the oil tank level 56 8 7 6 Changing the hydraulic oil 56 8 8 Troubleshooting 58 8 8 1 Faults in the loader 58 8 8 2 Troubleshooting of the boom extension control...

Page 5: ... it could lead to fatal accidents or serious damage Therefore you should Study the entire Operator s Manual carefully Study the operating manuals for other add on equipment if fitted Use the loader only after having done so Follow the directions for use operation and maintenance of the loader and add on equipment exactly Store the Operator s Manual for your type of loader the Technical Data and ma...

Page 6: ...nstructions and maintenance instructions without prior notice Study these instructions carefully DANGER If you do not study the complete Operator s Manual for your loader carefully it could lead to fatal accidents or serious damage 1 1 1 Cleanliness certificate All Hiab equipment has been tested and certified at the factory according to the Hiab Standard C250 52 that defines the Cleanliness Requir...

Page 7: ...tle in and to the Connectivity features and the Information and all their further developments shall at all times be and remain the exclusive property of Hiab 1 1 2 Description of Hiab J14S and J24S The Hiab J14S and J24S utility loaders manufactured by Hiab are designed for several truck mounted applications where grapple type attachment is to be utilized Typical applications would include railro...

Page 8: ...xtra information that can prevent problems TIP Tip to make the work easier to carry out Symbol for reference to a component in an illustration 1 Refers to a component in an illustration option Indication for parts that are not standard for the loader but are an option Not all option are available for your loader DANGER Only persons with the requisite knowledge and experience with loaders may use t...

Page 9: ...orkshop WARNING Never clean the electronic system plastic components signs or bearings with a high pressure jet cleaner It could cause damage Never expose the electronic system to high electrical voltages This could damage the control system Never immerse the controller in water or other liquid This will make the controller unusable If your loader is equipped with add on lifting equipment hoist ro...

Page 10: ...Loader base with column and slewing system The loader base column and the slewing system consist of the following components 1 Loader base 2 Stabiliser beams 3 Three point bridge 4 Column 5 Rack and pinion slewing system 2 3 Boom system and add on lifting accessories The boom system consists of the following components 1 1st boom 2 2nd boom 3 Hydraulic extensions the length of the hydraulic extens...

Page 11: ...ar loader function To operate a hydraulic cylinder equipped with a LHV an opening pressure is required DANGER Overloading could result of damage to the loader or in the worst case personal injury or death Never increase a hanging load since that may cause a Load Holding Valve to open and or the vehicle to turn over NOTE The extra weight of the lifting accessories has to be added to the load Thus w...

Page 12: ...er locking device 4 Stabiliser legs 2 6 Operating system hydraulic components The operating system consists of the following hydraulic components oil tank hydraulic pump oil cooler option on some loaders main control valve stabiliser control valve hydraulic hoses and lines actuators first boom cylinder second boom cylinder extension cylinder s slewing cylinders return filter oil tank pressure filt...

Page 13: ...in 4 Console or optional function 5 Optional function 6 Lights 7 Activation of the extension control 8 Seat heat option 9 Button to be used together with 1 2 3 10 Optional button 11 Emergency STOP button DANGER Take care not to put your foot on the pedals when entering in the high seat Unintentional loader movements can occur Structure and parts of the loader HIAB J14S J24S 13 ...

Page 14: ...ons as long as the oil flow is sufficient When the oil flow is insufficient one or more functions might reduce their speed 2 10 Stabiliser control valve The loader is equipped with a stabiliser control valve The valve can be operated with the levers on the valve and from the high seat There are several types of stabiliser control valves Always operate the lever according to the function on the sym...

Page 15: ...es deteriorate below this temperature WARNING If the temperature is below 0 C 32 F we recommend you to wait a few minutes before you operate the levers When starting in cold weather the wear on the hydraulic system is greater than at normal working temperatures To minimise wear the loader should be started as follows Engage the power take off at low rpm Allow the system to idle for a few minutes F...

Page 16: ...strong wind Small leaved branches make swaying movements crested waves form on lakes and canals 6 24 1 31 0 Strong wind Large branches move you can hear the wind whistling in telephone wires umbrellas can only be held with difficulty 7 31 1 38 0 Severe wind Entire trees move the wind causes difficulty when you walk into it 8 38 1 46 0 Stormy wind Twigs break off walking is difficult 9 46 1 55 0 St...

Page 17: ...in metres that the loader can operate at different positions The lifting capacity of your loader determines the maximum load your loader may lift within its working zone However take careful note the greater the operating radius of the loader the lower the lifting capacity will be because of the weight of the boom system itself The load plate and the load diagram on your loader show the maximum lo...

Page 18: ...ht on the load plate Load diagram The load diagram shows the maximum load your loader may lift in the entire working zone The load curves show the maximum load that may be lifted at a given reach and height For a given maximum load the possible working zone is to the left of the load curve The lifting capacity for some loaders is limited in the high lifting area WARNING Care must be taken when han...

Page 19: ...for loader operator signals are to be used Signals in this manual give a number of standard signals that can be used Lift Raised arm and index finger raised Circular motion with hand Lower Arm pointing downwards and index finger down Circular motion with hand Stop all loader movements Hold the load in position Raise the open hand with the palm clearly visible and arm at shoulder height Keep the ha...

Page 20: ...may be held either horizontally or vertically The next movement may be Lift lower move the lifting gear change the reach or turn Change the reach Signal with your hands Sideways movement outwards with both hands Thumbs outwards Sideways movement inwards with both hands Thumbs inwards Turn in the direction indicated Indicate the direction with the hands Safety precautions and warnings 20 HIAB J14S ...

Page 21: ... hands close together Lift the open grapple a little Extend both arms at shoulder height with the palms facing upwards Make vertical movements with both arms outstretched Keep the grapple in position briefly Raise the hand drooping slightly with the fist clenched Safety precautions and warnings HIAB J14S J24S 21 ...

Page 22: ...plate as it comes under load is not pushed into the ground Ensure you can see the stabiliser legs and stabiliser extensions when you are operating them Do not lower the stabiliser legs on the edge of an embankment soft shoulder slope etc Lower the stabiliser legs only on to a flat and firm surface DANGER Do not stand in front of the hydraulically operated stabiliser legs when you are operating the...

Page 23: ...en operating the loader out of the parking position Preparation for use WARNING Make sure that there are no unauthorised persons within the operating range of your loader WARNING If a part of the loader comes in contact with an electricity line you will be electrocuted Maintain the following minimum distances between the loader and overhead electricity lines unless otherwise prescribed by national...

Page 24: ...r 40000 V power transmission DANGER When you enter or exit from the control station use only handles and supports on the loader that were specifically made to help the operator to enter or exit from the control station DANGER When you go into the control station high seat cabin platform remove all jewellery loose clothing or other hanging items from your body for example rings scarfs bracelets Jew...

Page 25: ...ck that the support plate does not bend under load Do not lower the stabiliser legs on the edge of an embankment soft shoulder slope etc Lower the stabiliser legs only on to a flat surface Slide the stabiliser extension on both sides of the vehicle out completely if possible Then lower the stabiliser legs for support Never operate the stabiliser legs while the loader has a load WARNING Use low for...

Page 26: ...ssories the load you can lift is less heavy Load Holding Valves are not mandatory The installation is based on the application and regulatory requirements In an emergency immediately switch off all loader movements Press a stop button To avoid unexpected load movements and at every interruption in loader operation Press a stop button DANGER Keep checking that there are no unauthorised persons with...

Page 27: ...rwise overheating can occur 3 6 1 Use of lifting equipment DANGER Only use lifting accessories that are suitable for your loader Contact a HIAB service workshop Never attempt to install add on lifting accessories yourself Add on lifting accessories may only be installed by an authorised HIAB service workshop When using lifting accessories follow the instructions supplied with the equipment Watch o...

Page 28: ...the lifting accessories to prevent any movement of the loader and the lifting accessories Withdraw the stabiliser legs and stabiliser extensions Lock tiltable stabiliser legs and manual operated stabiliser extensions in transport position Check that the locking mechanisms are properly locked Switch off the operating system Disengage the PTO or power supply after work If you drive with the PTO or p...

Page 29: ...rating system must be switched off Pay attention to the width and height of the loader in the transport position The loader has to stay within the width of the truck Make sure the parked loader can not hit bridges tunnels etc Pay attention to overhead power lines Make sure that no part of the loader ever comes in contact with overhead power lines For further instructions see vehicle s manual s Saf...

Page 30: ... and foot pedals For safety reasons it is necessary to sit down on the seat to operate the controls A Slewing D Rotator B Grapple E Extension C 2nd boom F 1st boom DANGER Take care not to put your foot on the pedals when taking place in the high seat Unintentional loader movements can occur Manual control system 30 HIAB J14S J24S ...

Page 31: ...perate the extension turn off extension control by button from the control box Hydraulic stabiliser extensions and legs are controlled by an additional control valve installed on the stabiliser beam Stabiliser legs can also be operated from the high seat Manual control system HIAB J14S J24S 31 ...

Page 32: ...d on off with a switch 1 located in the control box Valve driver ECU Valve drive unit ECU is designed to control proportional solenoid valves Valve driver provides flexible I O configuration in compact package specially designed to resist water temperature humidity and high vibrations typical for harsh environments 1 Connector 1 2 Connector 2 3 LED red error flashes 4 LED green power supply on 3 4...

Page 33: ...d 5 unintentional loader movements can occur Engage the PTO Engage the PTO Power Take Off Bring the vehicle s engine to the correct rpm NOTE Rpm too high the oil in the hydraulic system might overheat Rpm too low during loader operation the vehicle s engine could stall The maximum rpm may depend upon a governor on your PTO combination 5 2 Extend stabiliser extensions and set stabiliser legs To ens...

Page 34: ...e surface Loader with tiltable stabiliser legs 1 If the stabiliser extensions are equipped with a separate lock 2 release it before the stabiliser extension can be extended 2 Make sure the stabiliser extensions are extended a little so the stabiliser leg can be rotated freely of the vehicle 3 Unlock the stabiliser leg lock 1 4 To tilt the stabiliser leg use lever or button for stabiliser leg Make ...

Page 35: ... lock unlock it with the handle 2 2 Extend the stabiliser extension until the yellow mark is visible If the stabiliser extensions are equipped with a separate lock lock it with the handle 2 3 Operate the stabiliser leg downwards until it is set to the ground Starting loader operation HIAB J14S J24S 35 ...

Page 36: ... Never go underneath a hanging load or move a load over people The loader may not be used for lifting personnel and people Comply with the values listed on the load plate do not overload the loader Follow the operation of the load warning indicator 1 The warning lights will flash when the load exceeds 90 of the maximum allowed value 4 3 2 1 During operation 36 HIAB J14S J24S ...

Page 37: ...ad from in front of the vehicle there is a risk of the vehicle tilting over DANGER Be especially careful when working near electricity lines Also beware of overhead lines for electrified rail roads Maintain a distance of at least five meters If an accident occurs do not touch metallic parts of the loader the stabiliser legs will ground the loader and you will be connected to an electric circuit wa...

Page 38: ...iser legs 1 Raise the stabiliser leg carefully slightly from the ground 2 Unlock the stabiliser leg lock 1 Make sure that it remains in the released position WARNING Do not stand behind the stabiliser leg Do not touch the stabiliser leg either 3 Raise the stabiliser leg slowly until the plate touches the bar on the inside of the stabiliser leg 4 Stop the operation as soon as the stabiliser leg is ...

Page 39: ...e stabiliser leg carefully It will now move backwards and perform a rotary movement 5 Stop the operation as soon as the stabiliser leg is almost vertical lock the stabiliser leg lock 1 6 If manual operated stabiliser extension unlock the stabiliser extension with the handle 2 and retract the stabiliser extension completely 7 If manual operated stabiliser extension lock the stabiliser extension wit...

Page 40: ...upport to support the boom system Use a separate support to support the grapple IMPORTANT Lock the boom assembly for transport so that the loader will not move by itself Operate the boom system into a parking position that prevents free swinging of the grapple during transportation Operate the boom system into a parking position that prevents the grapple from hitting the operator s control station...

Page 41: ...trol position When the loader is installed on a detachable console at the rear of the vehicle be especially cautious when uncoupling or recoupling the loader At such times nobody is allowed at or near the loaders control position Ensure that the load is properly tied 7 3 Transport Warning Interface TWI WARNING If you switch off the safety system when manual operated stabiliser extensions tiltable ...

Page 42: ...the load secure the boom and the lifting accessories to prevent any unintentional movement of the loader and the lifting accessories 7 4 Emergency operation of the dump valve In event of a failure in the safety system the oil is dumped immediately to the tank To be able to operate the loader to parked position when it is unserviceable follow these steps 1 Unscrew the domed nut and break the securi...

Page 43: ...be fall the screw into the housing 5 1 3 2 5 4 3 After retracting the boom extension untighten the screw 2 to the starting position Check that the distance to the top of the screw is the same as in the picture below It should be 3 19in 81mm 81 mm 3 19 in 1 2 3 2 1 3 81 mm 3 19 in 11 ft Ib 15 Nm 4 Tighten locknut 1 to torque 11 ft Ib 15 Nm 5 Operate the loader into parking position WARNING Operate ...

Page 44: ... use original HIAB parts and tools 8 2 Service DANGER Do not do any welding work on the loader yourself Welding work on the loader may only be carried out by or in close consultation with a HIAB service workshop Do not drill into the loader yourself Drilling work on the loader may only be carried out by or in close consultation with a HIAB service workshop Never try to reinstall the loader Only a ...

Page 45: ...line or hose Determine if you can still park the loader If you can park the loader and go to a HIAB service workshop If you cannot contact a HIAB service workshop 6 In all other cases contact a HIAB service workshop 8 3 Follow the maintenance instructions Check the loader at least once a year by a HIAB service workshop for inspection and maintenance Maintain lifting accessories according to the su...

Page 46: ...ing Interface are undamaged and working properly POL Protection Over Load option Operate the POL function and verify that is working correctly Control levers joysticks pedals and control rods Check that they are undamaged and working properly Hydraulic system Check that there are no leaks from the hydraulic hoses cylinders valves bottom of the base joint of the column lines and connections of the ...

Page 47: ...used for a long time inadvertent movements occur during operation of the loader or the controls are slow or inaccurate Bearings and joints Refer to the lubrication schedule to lubricate the following components Base bearing Cylinder bearings Control lever joints Boom system bearings Boom extension and the stabiliser beam Use spray vaseline or chain oil to lubricate the surface of the second boom a...

Page 48: ...d Tighten them if necessary Lateral clearance of the boom and or hydraulic extension Adjust the lateral clearance of the boom and or hydraulic extension Chain in extensions Check the condition and adjust the telescope chain if necessary Grapple Lubricate the grapple with a grease gun according to the operator s manual for your grapple 8 3 4 Twice a year maintenance Take the loader at least twice p...

Page 49: ...he bearing housing ribs slide pads must be replaced when 2mm wear surface is left hmin distance between top surface of the shim and top surface of the bearing housing ribs Loader base Change the oil in the loader base 8 4 Lubrication WARNING Follow the lubrication schedule exactly If you do not do so you can cause serious damage to the loader and to add on equipment Type of grease Use lithium base...

Page 50: ...8 4 1 Lubrication Only for telescopic booms with 2 extensions The location and the number of greasing points can vary from the illustrations Maintenance and Service 50 HIAB J14S J24S ...

Page 51: ...per column bearing without help Lubricate the upper bearing with a little grease Slew the loader a little Again lubricate with a little grease Repeat until the column has been slewed round completely 8 4 3 Clean and grease the spring cups 1 Open the spool spring cups 2 Clean the springs 3 Fill with grease 8 5 Adjust the lateral clearance of the boom and or hydraulic extension Turn the bearing cove...

Page 52: ... contact with each other Check that the top chain is still loose Loosen the adjustment screw of the bottom fastener until a small gap is created between the nut and the second boom and extra chain tension is removed 4 Raise the 2nd boom until it is level and keep the grapple near the ground Extend the extensions Slightly retract the extensions 0 8 to 2 in to loosen the top chain Leave the 2nd boom...

Page 53: ...l Drain off the oil through the drain plug 2 Refill through the hole for the measuring stick with transmission oil of type MIL L 2105C or API GL 5 viscosity SAE 80W 90 3 Slew the loader after filling to the end positions three times 4 Check the oil level If necessary top up again 8 7 2 Bleeding air from the hydraulic system Bleed the air from the hydraulic system after changing the hydraulic oil a...

Page 54: ...ilter of pressure 2 Clean the immediate surrounding area of the filter 3 Remove the cover 4 Remove the filter cartridge with attached filter housing by using the handle 5 Examine the surface of the filter cartridge for dirt residue and larger particles these can indicate damage to the components 6 Examine the filter housing for any possible mechanical damage 7 Replace the filter cartridge with a n...

Page 55: ...ect oil in a suitable container and clean or dispose of it in accordance with environmental regulations 5 Remove the filter cartridge Examine the surface of the cartridge for dirt residue and larger particles these can indicate damage to the components 6 Clean the filter housing 7 Examine the filter housing and head segment especially sealing surfaces and thread for mechanical damage 8 Always repl...

Page 56: ...NG Suitable eye and hand protection must be worn while carrying out this operation and if there is a risk for inhalation of oil mist a mask as well Inhalation of oil mist Contact a doctor Skin contact Remove polluted clothing wash with soap and water In the event of high pressure injection of the product see a doctor without delay Eye contact Rinse eyes with plenty of water see a doctor if irritat...

Page 57: ...l is of great importance to achieve high efficiency of the hydraulic system The naming of the oil in the table below 32 46 or 68 tells the viscosity of that oil at 104 F reference temperature Viscosity of oil at 104 F Temperature range 32 13 F to 167 F 46 5 F to 194 F 68 23 F to 194 F The recommended viscosity during normal working conditions is between 16 and 40cSt HIAB strongly recommend an oil ...

Page 58: ...entire filler cap Oil level in the tank is too low Top up the oil tank and bleed the hydraulic system The pump is faulty Go to a HIAB service workshop The stabiliser extensions do not slide out The extensions are still locked Unlock the extensions Hydraulic fault Go to a HIAB service workshop The slewing movements are irregular or cause abnormal noises Insufficient oil in the hydraulic system Top ...

Page 59: ...chanical thumb rocker Check joystick or replace Damaged harness or connectors from joystick Check harness and connectors for damage Damaged harness or connectors to valves Check harness and connectors for damage Red light flashing in ECU Problems with valve operation while using joystick Check the quality and cleanliness of the connectors e g water Red light flashing in ECU No electrical power sup...

Page 60: ...er must fill in the valid foots ft and pounds Ib in this table following instructions given in the Installation instructions manual Ib ft The enclosed Technical Data must be stored together with this Operator s manual Technical Data 60 HIAB J14S J24S ...

Page 61: ...oaders raw materials can be recycled Follow the regulations of the local authorities Oil and grease must not be spilled on to the ground or released into the environment Drain the oil from hydraulic cylinders valves and hoses Sort the waste Deliver the metal parts for recycling for reuse as raw material These are load bearing structures manufactured from steel or cast iron hydraulic cylinders and ...

Page 62: ...eals lights small plastic and rubber parts Hazardous waste is delivered to a collection point for hazardous waste oils hydraulic oil transmission oil from the slewing system solid lubricants greases from the joints and journal bearings other waste containing oils and greases hydraulic oil filters Decommissioning 62 HIAB J14S J24S ...

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