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Stoll ProfiLine 36-20 Operating Instructions Manual

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Operating instructions
ProfiLine
Front Loader
Type FS, FZ, FZ-L
Models 36-20 to 48-42
Status: 03/2025
3745080
B58FZ2 0000000186 EN 005

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  • Page 1 Operating instructions ProfiLine Front Loader Type FS, FZ, FZ-L Models 36-20 to 48-42 Status: 03/2025 3745080 B58FZ2 0000000186 EN 005...
  • Page 2 Reproduction of these instructions, both completely and in excerpts, is only allowed with approval from Wilhelm STOLL Maschinenfabrik GmbH. Any infringement shall entail full compensation of damages and can be punishable by law. The original instructions were written in the German language.

  • Page 3: Table Of Contents

    Contents About these operating instructions ........6 1.1 Documentation overview .
  • Page 4 STOLL Base Control ........
  • Page 5 6.4.2 Operating the mechanical implement locking mechanism on skid-steer change frames . 92 6.4.3 Operating the hydraulic implement locking mechanism ....93 6.5 Picking up and putting down the implement.
  • Page 6 11.4.4 Lowering throttle ..........11.5 Electric circuit diagram.

  • Page 7: About These Operating Instructions

    Order the instructions through a dealer.  Download instructions free of charge from the Internet at www.stoll-germany.com. Installation instructions for the front loader mounting kit The installation of the mounting kit as well as the hydraulic and electric equipment may only be performed by an authorised specialised workshop.

  • Page 8: Use And Purpose Of The Operating Instructions

    The present operating instructions contain important information on the safe operation and for faultless, proper and economical operation of front loaders from Wilhelm STOLL Maschinenfabrik GmbH. It is intended for the operator and user of the front loader and should help to prevent risks, damage and downtimes as well as ensure and increase the service life of the front loader.

  • Page 9: Validity Of The Operating Instructions

    Validity of the operating instructions The operating instructions are valid only for the STOLL front loader ProfiLine, called "front loader" in the following or "FS" or "FZ" as the special versions. The front loader type can be found on the rating plate.

  • Page 10: Nomenclature Of The Footer

    ABOUT THESE OPERATING INSTRUCTIONS Moreover, stylised drawings are used. For better understanding, some of the figures are exemplary, simplified or with dismounted parts for better representation and explanation.  Please observe the following:  Dismounting is not always absolutely required for the respective description. ...

  • Page 11: Safety

    Immediate lethal danger or serious injuries. ⚠ WARNING Possible lethal danger or serious injuries. ⚠ CAUTION Possible slight injuries. NOTICE Damage to the implement or the surroundings. EC Conformity STOLL front loaders comply with Machine Directive 2006/42/EC. B58FZ2 0000000186 EN 005...

  • Page 12: Proper Use

     Mounting on tractors with the front loader mounting kit approved by STOLL (see 3.5 Mounting kit on the tractor) and the associated hydraulic and electric equipment approved by STOLL, STOLL does not assume any liability for damage resulting from use of other equipment and combinations that are not approved! Before initial operation of the front loader, ensure that the front loader can be used on your tractor.

  • Page 13: Operational Limits

    SAFETY Operational limits  The following operating conditions and requirements on the operational environment must be observed:  If applicable, temperature range for proper operation of the tractor (see operating instructions of the tractor)  Sufficient load capacity of the tires and the front axle of the tractor Basic safety information The basic safety information comprises all safety measures grouped by theme and is applicable at all times.

  • Page 14: Electrical Dangers

    SAFETY There is a lethal risk of injury due to exceeding of the maximum permissible load or with improper use of the front loader resulting in breaking of the front loader or its components.  Observe the load limits specified in the technical data. ...
  • Page 15 SAFETY Danger due to emissions With long-lasting normal operation of the machine, hearing damage can be caused by the noise level of the tractor and the hydraulic system. Always wear personal hearing protection.   Observe special regulations for road operation and for operating machines in open spaces.
  • Page 16 SAFETY There is a risk of crushing of limbs when operating the parking supports to park the front loader, especially on uneven ground.  Observe the instructions and sequence in these operating instructions for proper operation of the parking supports. Dangers when picking up and putting down implements There is a risk of serious injury and lethal danger due to implements falling down or uncontrolled lowering of the front loader when unsuitable implements are used or if the...
  • Page 17 SAFETY Dangers when operating the front loader There is a risk of serious injury or lethal danger due to tipping of the tractor when working on slopes, when going around bends, when the load on the rear axle is too low, and when driving into the bulk to be lifted at a skewed angle.
  • Page 18 SAFETY Dangers due to falling loads There is mortal danger due to raised loads falling down on the driver's seat. There is a particularly high risk when lifting objects (e.g. pallets or bales) above the driver's cab and when working on slopes. Even the standard protection systems (roll-over protection structure ROPS, falling objects protective structures FOPS) do not provide fully adequate protection.

  • Page 19: Danger Zones

    SAFETY Danger zones On and around the front loader, there are the following areas with increased risk to safety of the operator or safety of other persons: B081 Fig. 3 Top view (from above) Legend Work area (yellow) Outer danger zones (hatched in orange) Inner danger zones (red) Danger zone Description...

  • Page 20: Safety Stickers

    SAFETY 2.10 Safety stickers Safety stickers warn of hazards at danger points and are an important part of the safety equipment of the front loader.  Clean safety stickers if they are soiled.  Replace damaged or illegible safety stickers (see 10.1 Spare parts). ...
  • Page 21 SAFETY Description of the safety sticker The numbering corresponds to the positions on the front loader (see Position of the safety sticker on the front loader). 3441830b 3449070c B07A Fig. 5 Safety sticker position 1-5 B58FZ2 0000000186 EN 005...
  • Page 22 SAFETY Position Description Re-tighten all the fixing screws on the mounting kit after the first 5 hours of operation. Keep a safe distance away from electrical lines. Do not stack several loads on top of each other. Only use suitable implement to prevent the load from falling down. Increased risk of tilting when the front loader is raised.
  • Page 23 SAFETY CLICK! CLICK! CLICK! CLICK! CLICK! CLICK! CLICK! CLICK! 3742000a B0GK Fig. 6 Safety sticker position 6-17 B58FZ2 0000000186 EN 005...
  • Page 24 SAFETY Position Description Instructions for mounting of the front loader. Instructions for dismounting of the front loader. The front loader is lowered when the Comfort Drive is switched on. Possible risk of crushing! Turn the lever counterclockwise to switch on the Comfort Drive. Turn the lever clockwise to switch off the Comfort Drive.
  • Page 25 SAFETY Position of the safety sticker on the operator protective guard (OPG) B0MB Fig. 7 OPG for tractors with 2-post rollover protection systems installed at the rear (exemplary illustration) Legend Safety instructions on the right and left bar Safety instructions on the left bar Safety instructions for the gripping area on the left bar Description of the safety sticker 1446690a...

  • Page 26: Personnel Requirements

    SAFETY 2.11 Personnel requirements In the operating instructions, a distinction is made between the following persons:  Operators  Qualified personnel  Specialised tradesmen All person groups must provide proof that they have read and understood the operating instructions. The table lists the other respective qualifications and responsibilities. Personnel Qualification/responsibility ...

  • Page 27: Behaviour In Case Of Emergency

    SAFETY 2.12 Behaviour in case of emergency  Initiate the following measures to avoid further damage in cases of emergency: (1) Secure the accident site correctly. (2) Provide first aid (if necessary). (3) Call rescue workers, describe the situation briefly and concisely. Wait for feedback. (4) Inform the employer or operator.

  • Page 28: Structure

    STRUCTURE Structure Structure of FS front loaders FS front loaders are composed of the following main components: B0H1 Fig. 9 FS front loader B58FZ2 0000000186 EN 005...
  • Page 29 STRUCTURE Legend Pillars (drive-in system) Lifting arm (base frame) Lifting cylinder: hydraulic cylinder for lifting and lowering Upper support for the implement position indicator Implement cylinders: hydraulic cylinders for dumping and scooping (differential cylinders) Parking supports Rating plate Lever mechanism dumping/scooping Euro change frame (implement support) Implement locking mechanism Cap for hydraulic and electrical distribution and additional equipment...

  • Page 30: Structure Of Fz Front Loaders

    STRUCTURE Structure of FZ front loaders FZ front loaders are additionally equipped with parallel motion and are composed of the following main components: B0H0 Fig. 10 FZ front loader B58FZ2 0000000186 EN 005...
  • Page 31 STRUCTURE Legend Pillars (drive-in system) Lifting arm (base frame) Lifting cylinder: hydraulic cylinder for lifting and lowering Deviation triangle of the parallel motion Indicator for implement position Implement cylinder: hydraulic cylinder for dumping and scooping (synchronised cylinder) Parking supports Type plate Lever mechanism dumping/scooping Euro change frame (implement support) Implement locking mechanism...

  • Page 32: Layout Of The Operator Protective Guard (Opg, Only Tractors With Rops)

    STRUCTURE Layout of the operator protective guard (OPG, only tractors with ROPS) 3.3.1 Operator protective guard (OPG) for tractors with 2-post rollover protection system (ROPS) installed at the rear The Operator protective guard (OPG) consists of the following components: B0MA Fig.

  • Page 33: Equipment Variations

    STRUCTURE Equipment variations The table shows the different equipment versions for FS and FZ front loaders: Front loader Equipment FZ-L Basic equipment Parallel motion (mechanical) ─ ● ● Change frame Euro ● ● ● Skid-Steer ○ ○ ○ Euro-SMS Combi-frame ○...

  • Page 34: Mounting Kit On The Tractor

    STRUCTURE Mounting kit on the tractor The front loader is attached to the tractor using the mounting kit for tractors. The mounting kit consists of the following components: B06E Fig. 12 Mounting kit for tractors Legend Front guard left and right Mounting parts left and right Mountings/catch hooks The components remain permanently mounted on the tractor.

  • Page 35: Change Frames

    STRUCTURE Change frames The change frame is a fixed component of the front loader. The different types are designed and adapted for the mounting of standardised implements of this type. As a matter of principle, the following change frames are available for the front loaders described in this operating manual: ...

  • Page 36: Euro-Sms Combi Change Frame

    STRUCTURE 3.6.2 Euro-SMS Combi change frame These change frames are installed on FS and FZ front loaders (all sizes). They are intended for mounting implements complying with the Euro standard as well as the SMS standard. Euro implements are hinged onto the outer pins. SMS implements are hinged onto the cross bar.

  • Page 37: Euro-Mx Combi Change Frame

    STRUCTURE 3.6.4 Euro-MX Combi change frame These change frames are installed on FS and FZ front loaders (all sizes). They are intended for mounting implements complying with the Euro standard as well as the MX standard. Euro implements are hinged onto the upper cross bar.

  • Page 38: Skid-Steer Change Frame

    STRUCTURE 3.6.5 Skid-steer change frame These change frames are installed on FS and FZ 36-20 to 39-31 front loaders. They are intended for mounting implements complying with the skid-steer standard. The implement is attached to the locking hooks using the lever. On the support, the couplings for a 3rd control circuit can be installed as an option (see 4.10.1 Additional control circuits).

  • Page 39: Hydraulic Lines

    STRUCTURE Hydraulic lines ⚠ CAUTION There is a risk of injury due to escaping hydraulic fluids! If the hydraulic lines are not depressurized before the coupling procedures, oil can spray out and injure the skin or other body parts (e.g. eyes). ...

  • Page 40: Hydraulic Couplings

    STRUCTURE Hydraulic couplings 3.9.1 Plug-in couplings The plugs of the plug-in couplings are located on the hydraulic lines of the front loader. The couplings can be found on the right-side mounting part for the tractor. They are connected to the hydraulic valve either directly or with hose lines.

  • Page 41: Multiple Couplings - Hydro-Fix And Multi-Coupler

    STRUCTURE 3.9.2 Multiple couplings - Hydro-Fix and Multi-coupler As an option, the front loader can be equipped with the Hydro-Fix coupling or the Multi-coupler. These multiple couplings enable simultaneous connection of all hydraulic lines with the couplings. The upper part is located on the hydraulic lines of the front loader.

  • Page 42: Multiple Coupling Implement-Fix

    STRUCTURE 3.9.3 Multiple coupling Implement-Fix As an option, the front loader can be equipped with the Implement-Fix coupling. This enables simultaneous connection of all hydraulic lines of the implement with the couplings of the change frame. The upper part of the Implement-Fix is on the hydraulic lines of the implement.

  • Page 43: Functions

    FUNCTIONS Functions Implement locking mechanism 4.1.1 Mechanical implement locking mechanism Euro and Combi change frames ⚠ WARNING Risk of injury due to implements falling down! The implement may fall down if the implement locking mechanism is open or not locked correctly. This can cause serious injury to persons standing in the surrounding area.
  • Page 44 FUNCTIONS The mechanical implement locking mechanism on Euro and Combi change frames is actuated manually. The implement is hinged with its hooks on the top cross bar on the change frame. Below, the implement rests on the bottom cross bar. Both eyelets of the implement project into the mountings of the change frame.

  • Page 45: Hydraulic Implement Locking Mechanism - Hydro-Lock

     The hydraulic implement locking mechanism must only be installed by a specialist workshop.  Only use switches that are approved by STOLL.  Lower the implement close to the ground or over a secure rack before using the implement locking function.

  • Page 46: Basic Functions

    FUNCTIONS Basic functions ⚠ DANGER Lethal danger due to loads falling down from front loaders without parallel motion! On front loaders without parallel motion, the implement tilts to the rear when lifting. As a result, the load can fall on the driver and cause lethal injuries. ...
  • Page 47 FUNCTIONS Lowering The 2 lifting cylinders are retracted and thus lower the lifting arm and the implement. Without parallel motion, the angle between the lifting arm and the implement remains constant so that the implement changes its orientation. With parallel motion, the angle between the lifting arm and the implement changes so that the implement maintains its original orientation.

  • Page 48: Float Position

    FUNCTIONS Dumping The 2 implement cylinders are extended and thus swivel the implement downwards. The load is dumped out. B01M Fig. 34 Dumping function Legend Implement cylinders on the left and right Implement Float position ⚠ WARNING Possible risk of injury due to unexpected movement! If the front loader is not completely lowered, a vacuum may form in the hydraulic cylinders during the float position.

  • Page 49: Lifting Arm Float Position

    Activating the implement float position: (1) Lower the front loader close to the ground. (2) Move the operating lever to the right and press button T2 (green) (see 6.1.4 STOLL Pro Control).  The float position is activated. B58FZ2 0000000186 EN 005...

  • Page 50: Indicator For Implement Position

    FUNCTIONS Indicator for implement position The indicator for the implement position is located on the left implement cylinder. It allows the horizontal position of the implement to be read from the driver's seat. The rod is attached on the lower bearing pin and runs through the tube, which is attached to the upper bearing pin with the support.

  • Page 51: Quick Emptying (Fz-L)

    FUNCTIONS Quick emptying (FZ-L) ⚠ CAUTION Risk of accident due to improper use of the quick emptying! Use of the quick emptying on implements with hydraulic functions can cause damage to the hydraulic lines. This increases the risk of accidents. ...

  • Page 52: Anti-Lowering Guard

    FUNCTIONS The Return To Level sensor is located on the indicator on the left implement cylinder. It enables automatic lowering of the front loader to its pre- set position by pressing a button. This mainly facilitates loading work that involve repetitive movement.

  • Page 53: Emergency Operation

    FUNCTIONS The The anti-lowering guard in compliance with EN 12525/A1 prevents sudden lowering of the front loader. It is used when working with a raised front loader if the presence of persons is required in the machine's working area. The anti-lowering guard is not suitable for use with work cages that are used to transport people. The operating state of the anti-lowering guard is shown by the lamp on the switch box.
  • Page 54 FUNCTIONS Folding the OPG down and up ⚠ CAUTION Risk of crushing when a moving part approaches a fixed part! Depending on the hand placement when folding the OPG up or down, there can be a risk of crushing between the OPG and the front loader. Improper use can lead to injury to hands and fingers. ...

  • Page 55: Additional Functions

    FUNCTIONS (4) Move the locking bolt into the locked position.  The locking bolt engages audibly.  The OPG was folded up and is in the safety position. 180° 180° B0M0 Fig. 45 Moving the locking bolt into the locked position 4.10 Additional functions 4.10.1...

  • Page 56: Comfort Drive

    FUNCTIONS 4rd control circuit With a changeover valve for the 4th control circuit, additional hydraulic implement functions are enabled.  To operate the 4th control circuit, see 6.1.6 Switch/changeover switch.  For operation of the hydraulic couplings, see 6.3 Operating the hydraulic couplings. B06V Fig.
  • Page 57 FUNCTIONS NOTICE Possible material damage due to overloading! The Comfort Drive can be overloaded when working with heavy loads (e.g. excavation) and with the pallet fork, resulting in damage.  Switch the Comfort Drive off for heavy load work and when working with the pallet fork. The Comfort Drive function enables smoother and more comfortable driving with a mounted front loader during transport and when driving on roads.
  • Page 58 Indicator light Description Comfort Drive on Comfort Drive off The electric Comfort Drive can also be operated with STOLL Pro Control (see 6.1.4 STOLL Pro Control). B06Y Fig. 51 Switch-operated Comfort Drive Legend...

  • Page 59: Lowering Throttle

    FUNCTIONS 4.10.3 Lowering throttle ⚠ CAUTION Possible risk of injury and material damage due to overloading! The front loader can be lowered unevenly and be distorted when the two lowering throttles are not adjusted in the same way, and can cause personal injury. ...

  • Page 60: Camera System

    FUNCTIONS 4.10.5 Camera system NOTICE Material damage due to loss of suction force! Due to a natural loss of vacuum, the suction holder can lose suction force and fall off. This can damage the camera system.  Detach the suction holder at regular intervals and fix it in place again. NOTICE Material damage due to adhesion! If the suction holder is in contact with the window for too long, it can firmly adhere to the window and...

  • Page 61: Headlights (Fz, Fz-L)

    FUNCTIONS 4.10.6 Headlights (FZ, FZ-L) ⚠ CAUTION Risk of burns by hot headlights! The headlights can get very hot during operation. This can cause burns to the skin when they are touched.  Let the headlights cool down for approx. 10 minutes before you touch them. The headlights are located on the outside of the deviation triangle of the parallel motion on each side.

  • Page 62: Start-Up

    START-UP Start-up Initial operation The initial operation is performed at a specialist workshop. This also includes mounting of the front loader as well as a functional check.  Obtain instruction from the specialised workshop and ask questions if necessary.  Read the operating instructions before initial use.

  • Page 63: Preparations

    START-UP Checks See also Completed After mounting Are the parking supports folded away and secured? Section 6.2 Operating the parking supports Is the front loader locking mechanism locked properly? Section 8.2.3 Service instructions for front loader locking mechanism Is the locking mechanism for the implement locked properly? Section 4.1 Implement locking mechanism Mudguards adjusted for front loader operation?

  • Page 64: Ballasting

    START-UP 5.3.2 Ballasting ⚠ WARNING Serious injury due to the machine falling over! When working with the front loader without rear counterweights, the tractor can tip over and cause injury to the driver and persons in the surroundings. Moreover, there is the risk of overloading the front axle of the tractor.

  • Page 65: Mounting The Front Loader

    START-UP The formula to precisely determine the rear weight is specified in DIN EN 12525:2000-A2: ∙(P + N 5 ∙G)+ 5 ∙N ∙b M ≥ 5 ∙ l + 4 ∙ l Weight of the tractor in kg (incl. front loader and change frame without counterweight) Weight of the counterweight in kg Weight of the implement in kg...
  • Page 66 START-UP ⚠ WARNING Risk of injury and accident due to premature actuation of the implement cylinder! If the implement cylinder is actuated before the front loader locking mechanism is properly adjusted, the front loader can slip out of the mountings and cause accidents or personal injury. ...

  • Page 67: Aligning The Front Loader For Mounting

    START-UP (6) If equipped, move the OPG into the safety position.  Fold up the OPG (see 4.9.1 Operator protective guard (OPG) for tractors with 2-post rollover protection system (ROPS) installed at the rear). B0M7 Fig. 64 Folding up the OPG (7) Start the tractor.
  • Page 68 START-UP NOTICE Material damage due to abrupt operation! When aligning the front loader, abrupt movements can cause damage to the front loader and the mountings.  Before mounting the front loader, check that the operating lever moves smoothly.  Make sure that the tractor and front loader are operated gently. If the front loader is being mounted for the first time or if it was previously used with a different tractor, the front loader pillars can be too high or too low for mounting.

  • Page 69: Adjusting The Front Loader Locking Mechanism

    START-UP Adjusting the front loader locking mechanism ⚠ CAUTION Possible injuries and material damage caused by incorrectly adjusted front loader locking mechanism! Improper adjustment of the front loader locking mechanism can cause movement of the front loader in the mountings and damage them. This can cause the front loader to fall down and injure persons in the surrounding or cause material damage.
  • Page 70 START-UP (2) Guide the open-ended spanner through the guide slot of the locking lever. (3) Guide the socket wrench through the grommet to the screw. B06C Fig. 69 Attaching the implement Legend Open-ended spanner Guide slot Socket wrench (4) Loosen the locknut with the open-ended spanner.

  • Page 71: Adjusting The "Double Locking Mechanism" Fs And Fz 41-25 To 48-42 Front Loader Locking Mechanism

    START-UP 5.6.2 Adjusting the "Double locking mechanism" FS and FZ 41-25 to 48-42 front loader locking mechanism For FS and FZ 41-25 to 43-34 front loaders, the double locking mechanism is installed as an option. Adjusting the front loader locking mechanism: ...
  • Page 72 START-UP (3) Close the front loader locking mechanism.  Push the locking lever down. (4) Guide the socket wrench through the grommet to the screw. B080 Fig. 74 Guiding the socket wrench through to the screw Legend Socket wrench Locking lever (5) Unscrew the screw.

  • Page 73: Operation

     Only use double-acting hydraulic control units to operate the front loader.  Only use operating levers approved by STOLL to operate the front loader.  Do not lower while in float position. B58FZ2 0000000186 EN 005...

  • Page 74: Tractor's Own Operating Lever

    OPERATION Depending on the equipment of the tractor, different operating levers can be installed for the front loader. In most cases, it is a cross lever or a joystick. On some tractors, there are 2 operating levers for the control of the front loader. The figures show a top view of the assignment for one operating lever (see Fig.
  • Page 75 OPERATION ⚠ WARNING Risk of accident due to wrong assignment of the hose lines! If the front loader is connected directly to the auxiliary control units of the tractor with hose lines, swapping of the hose lines can result in incorrect assignment of the functions on the operating lever. This can result in unexpected movements and accidents.

  • Page 76: Stoll Base Control

     Before using the front loader, immobilise or disconnect other implements on the tractor.  Immobilise or disconnect the front loader before using other implements. The STOLL "Base Control" operating lever is a single-lever control unit with up to 3 push-button...
  • Page 77 OPERATION Operating lever with 2 buttons When equipped with a 3rd and 4th control circuit: Additional function with Button Front loader Function changeover switch FS, FZ 3rd control circuit FZ-L Quick emptying 3rd control circuit 4.6 Quick emptying (FZ-L) FS, FZ 4th control circuit FZ-L Return to Level...
  • Page 78 OPERATION Locking and unlocking the operating lever in zero position A horizontal or a vertical locking mechanism can be installed on the operating lever. The locking and unlocking procedure for both versions will be described in the following.  Operating lever with horizontal locking mechanism Lock the operating lever: (1) Move the operating lever to the zero setting.

  • Page 79: Stoll Pro Control

    (ProfiLine FZ, FZ-L). Use in combination with ProfiLine FS front loaders is forbidden! The STOLL "Pro Control" operating lever is a (T1) (T1) single-lever control unit with integrated buttons as well as an integrated membrane keyboard.
  • Page 80 OPERATION The assignment of the buttons is shown in the following table: Buttons on the joystick for optional functions When equipped with a 3rd and 4th control circuit: Button Operating lever Front loader option To the right L2b on Quick emptying Yellow Right/left L2a on...
  • Page 81 OPERATION Switching on and off Switching on: (1) Switch on the tractor ignition (start engine).  LED L1 lights up. The control unit is in standby mode. (2) Briefly press the membrane key S1.  LED L1 is flashing. Depending on the programming, the flashing cycle can look different. The front loader can now be operated with the joystick.
  • Page 82 OPERATION Working at half-speed For work that requires particularly careful handling of the load, you can reduce the speed of the front loader hydraulic system to half. Switching functions on and off: (1) Put Pro Control into standby mode (see "Switching on and off"). (2) Press and hold membrane key S2.

  • Page 83: Stoll Trac Control

    Moving the joystick to all of the end positions 6.1.5 STOLL Trac Control The STOLL "Trac Control" operating lever is a handle with integrated buttons. It can replace the tractor's own operating lever if it does not have enough integrated buttons.

  • Page 84: Switch/Changeover Switch

    OPERATION Additional function with Button Front loader Function changeover switch 4th control circuit Blue Optional for functions Optional for functions When equipped with REAL and 3rd control circuit: Additional function with Button Front loader Function changeover switch FS, FZ 3rd control circuit Yellow FZ-L Quick emptying...
  • Page 85 OPERATION RTL/4th control circuit The switch must be used to pre-select the functions of the 4th control circuit (see 4.10.1 Additional control circuits) and Return To Level (see 4.7 Return To Level (FZ- L)). This switch is only equipped if there is no three-button operating lever.

  • Page 86: Real Valve

    OPERATION 6.1.7 REAL valve Depressurizing the REAL ⚠ WARNING Risk of crushing when lowering the front loader! When the hydraulic system is depressurized, the front loader is lowered. This can cause persons to be injured or crushed.  Before depressurizing the hydraulic system, lower the front loader completely onto the ground. Depressurize the hydraulic system: (1) Lower the front loader to the ground.

  • Page 87: Operating The Parking Supports

    OPERATION Operating the parking supports ⚠ CAUTION Risk of crushing by swivelling components! When folding the parking supports, limbs can be crushed.  When folding the parking supports, do not reach between them and the lifting arm bar. The parking supports serve to safely put down the front loader. Locking struts allow adaptations to be made for putting down the front loader with different implements as well as on different surfaces.

  • Page 88: Operating The Hydraulic Couplings

    OPERATION Operating the hydraulic couplings 6.3.1 Operating plug-in couplings Connecting plugs with coupling sleeve: (1) Depressurize the hydraulic system (see 6.1 Operating elements). (2) Take off the caps and wipe off couplings if necessary. (3) Plug in the plugs on the coupling sleeve. (4) Stick the caps together to prevent soiling.

  • Page 89: Operating The Hydro-Fix And Multi-Coupler

    OPERATION 6.3.3 Operating the Hydro-Fix and Multi-coupler ⚠ WARNING Risk of injury and material damage due to soiled hydraulic couplings! Hydro-Fix couplings that are not cleaned on a regular basis can result in plug parts not being correctly connected or parts of the Hydro-Fix being damaged when attempting to couple them. This can cause malfunctions of the hydraulic system.

  • Page 90: Operating The Implement-Fix

    OPERATION 6.3.4 Operating the Implement-Fix ⚠ WARNING Risk of injury and material damage due to soiled hydraulic couplings! Implement-Fix couplings that are not cleaned on a regular basis can result in plug parts not being correctly connected or parts of the Implement-Fix being damaged when attempting to couple them. This can cause malfunctions of the hydraulic system.

  • Page 91: Operating The Implement Locking Mechanism

    OPERATION Operating the implement locking mechanism 6.4.1 Operating the mechanical implement locking mechanism on Euro and Combi change frames ⚠ WARNING Risk of injury due to implements falling down! The implement may fall down if the implement locking mechanism is open or not locked correctly. This can cause serious injury to persons standing in the surrounding area.
  • Page 92 OPERATION Check the implement locking mechanism:  Check that the tip of the arrow on the sticker is aligned directly at the bushing. For Euro-MX Combi change frames, the sticker is in the middle on one of the rods (see Fig. 99). B06P Fig.

  • Page 93: Operating The Mechanical Implement Locking Mechanism On Skid-Steer Change Frames

    OPERATION  Press the implement with the tip on the ground.  When locked correctly, the implement remains on the change frame.  The implement locking mechanism is checked. B07S Fig. 101 Pressing the implement onto the ground 6.4.2 Operating the mechanical implement locking mechanism on skid-steer change frames ⚠...

  • Page 94: Operating The Hydraulic Implement Locking Mechanism

     The hydraulic implement locking mechanism must only be installed by a specialist workshop.  Only use switches that are approved by STOLL.  Lower the implement close to the ground or over a secure rack before using the implement locking function.
  • Page 95 OPERATION Check the implement locking mechanism: Only for Euro change frame:  Check whether the yellow indicators are each in the outer positions. B01S Fig. 105 Checking the position of the yellow indicators Only for Euro-SMS Combi change frame:  Check that the tip of the arrow on the sticker is aligned directly at the mounting plate.

  • Page 96: Picking Up And Putting Down The Implement

    OPERATION  Check that both the locking pins engage correctly in the eyelets of the implement. B0F6 Fig. 108 Checking the position of the locking pins Legend Locking pin Eyelet Press the implement with the tip on the  ground. ...

  • Page 97: Preparing Euro-Sms Combi Change Frames For Implements

    OPERATION 6.5.1 Preparing Euro-SMS Combi change frames for implements Prepare the change frame for Euro implements: Pull on the lock button and swivel the  support down to the lower cross bar.  The locking pin engages in the hole in the inner wall of the change frame.
  • Page 98 OPERATION Prepare the change frame for SMS implements:  Pull on the lock button and swivel up the support.  The locking pin engages behind the inner wall of the change frame. Repeat the procedure for both supports.  The change frame is prepared for the SMS B0K4 implement.

  • Page 99: Preparing Euro-Mx Combi Change Frames For Implements

    OPERATION 6.5.2 Preparing Euro-MX Combi change frames for implements On narrow and wide change frames, the Euro Euro adapters look slightly different. The figures show adapters for a narrow change frame. Prepare the change frame for Euro implements: (1) Pull out the locking button of the mini-locking lever and swivel it down.

  • Page 100: Picking Up Implements With Mechanical Implement Locking Mechanism On Euro And Combi Change Frames

    OPERATION 6.5.3 Picking up implements with mechanical implement locking mechanism on Euro and Combi change frames ⚠ WARNING Risk of injury and material damage due to implements falling down! The automatic locking mechanism only works up to a height of about 1.5 m. Implements not locked correctly may fall down and cause damage to the surroundings as well as injuries.
  • Page 101 OPERATION (4) Carefully drive the tractor forwards until the cross bar of the change frame touches the implement. B07P Fig. 120 Hooking in (5) Use the scooping function and drive forward a bit until the cross bar is hooked in. ...

  • Page 102: Picking Up Implements With Mechanical Implement Locking Mechanism On Skid-Steer Change Frames

    OPERATION 6.5.4 Picking up implements with mechanical implement locking mechanism on skid-steer change frames ⚠ WARNING Risk of injury due to implements falling down! The implement may fall down if the implement locking mechanism is open or not locked correctly. This can cause serious injury to persons standing in the surrounding area.

  • Page 103: Picking Up Implements With A Hydraulic Implement Locking Mechanism

    OPERATION (5) Switch off the tractor.  Apply the parking brake.  Stop the engine. (6) Close the implement locking mechanism manually (see 6.4.2 Operating the mechanical implement locking mechanism on skid-steer change frames). (7) If applicable, connect the hydraulic lines of the implement with the front loader B089 couplings.
  • Page 104 OPERATION (4) Carefully drive the tractor forwards until the cross bar of the change frame touches the implement. (5) Closing the implement locking mechanism (see 6.4.3 Operating the hydraulic implement locking mechanism). (6) Checking the implement locking mechanism (see 6.4.3 Operating the hydraulic implement locking mechanism).

  • Page 105: Putting Down The Implement

    OPERATION 6.5.6 Putting down the implement Putting down the implement: (1) Lower the front loader close to the ground and position the implement horizontally on the ground or place on a secure rack. Do not completely lower the front loader onto the ground.

  • Page 106: Levelling In Reverse

    OPERATION Levelling in reverse NOTICE Material damage due to improper levelling! If the front loader is not correctly used for levelling, the machine can be overloaded and damaged.  Only perform levelling work with bucket implements.  Level only with the front edge of the bucket. ...

  • Page 107: Picking Up Loads

    OPERATION Clear an area: (1) Set the bucket vertically. (2) Lower the front loader until the edge of the bucket touches the ground. (3) Activate the float position (see front loader operating instructions). (4) Drive forwards at max. 6 km/h. ...
  • Page 108 For FZ 46-26 to FZ 48-42 front loaders, the wear runners are included in the standard equipment. Picking up loads is described based on the example of a STOLL bucket implement. Observe the operating instructions of the mounted implement.

  • Page 109: Driving On Roads

    OPERATION (3) Tip the implement to the rear. B0DD Fig. 136 Tipping the implement to the rear and picking up the load (4) Raise the front loader. (5) Slowly drive in reverse. (6) Drive the load to the target site. ...

  • Page 110: Activating And Deactivating The Road Operation Lock

    OPERATION ⚠ WARNING Possible risk of injury due to uncontrolled movement of the front loader! If the control unit was not actuated for a longer period of time, there may be e.g. temperature differences between the hydraulic fluid and the control unit. This can cause the control valves to jam and the front loader moves uncontrollably.

  • Page 111: Passing Through Low Clearances

    STOLL Base Control To activate the road operation lock: (1) Lock the operating lever (see 6.1.3 STOLL Base Control) in the zero position.  The road operation lock is activated. Accidental actuation of the front loader is no longer possible.

  • Page 112: Parking The Tractor With The Front Loader

    TROUBLESHOOTING 6.10 Parking the tractor with the front loader ⚠ WARNING Possible risk of injury due to lowering of the front loader! The front loader is lowered over time by the drop in pressure in the hydraulic system. This can result in damage and accidents.
  • Page 113 TROUBLESHOOTING Incorrect repairs can lead to safety risks. That is why the repair work must only be carried out by suitably qualified personnel! STOLL recommends that the repair work be performed at a specialised workshop. Description of the fault Cause...
  • Page 114 TROUBLESHOOTING Description of the fault Cause Rectifying the fault Leaks on the hydraulic couplings of Leaks caused by infiltrated dirt. Clean the coupling, replace if necessary. the front loader or the 3rd or If the front loader or the 3rd or 4th control 4th control circuit.

  • Page 115: Servicing

    SERVICING Description of the fault Cause Rectifying the fault With the Pro Control option: the Cable break / ground problems. Reset controller using button S1. 4th control circuit stops when tilted and when button T3 is pressed. With the Pro Control option: the No valve detected, because a valve has Continue working without button T3.

  • Page 116: Cleaning And Care

    SERVICING ⚠ WARNING Risk of injury due to hydraulic fluids under high pressure! Even when the tractor is switched off or the front loader has been removed, the hydraulic system can still be under pressure. If the service work is not carried out correctly, oil can spurt out at high pressure and cause serious injury to persons standing nearby.

  • Page 117: Lubrication Points

    SERVICING 8.1.1 Lubrication points Lubrication points on the catch hooks The front loader mountings must be lubricated regularly, (see 8.1.2 Lubrication schedule). B067 Fig. 139 Lubrication points on the front loader mountings Grease the lubrication points on the front loader mounting each time the front loader is mounted or dismounted to save extra work.

  • Page 118: Lubrication Schedule

    SERVICING The FZ front loader has 12 lubrication points on each side: B0GR Fig. 141 FZ lubrication points The grease nipple at Position 1 can only be reached by slightly lifting the front loader and putting it down on the tip of the implement. 8.1.2 Lubrication schedule Interval...

  • Page 119: Service

    SERVICING Service ⚠ WARNING Lethal danger and material damage due to lack of service! Service tasks deferred or carried out incorrectly impair the safety of the front loader.  Only have service carried out by authorised personnel.  Only have visible defects repaired by trained qualified personnel. ...

  • Page 120: Service Instructions For Front Loader Mountings

    SERVICING 8.2.2 Service instructions for front loader mountings ⚠ WARNING Risk of serious injury due to the front loader breaking off! In cases of strong wear of the catch hook, the front loader can break off of the mounting part and thus cause serious injury to the driver or persons standing nearby.

  • Page 121: Service Instructions For Comfort Drive

    SERVICING Checking the "Double locking mechanism" FS and FZ 41-25 to 48-42 front loader locking mechanism Checking the front loader locking mechanism: (1) Close the front loader locking mechanism.  Push the lever down. B07W Fig. 144 Checking the front loader locking mechanism Legend Turning lock Lever...

  • Page 122: Service Instructions For The Hydraulic Lines

    SERVICING 8.2.5 Service instructions for the hydraulic lines ⚠ WARNING Risk of accident and injury due to defective hydraulic hose lines! Defective or worn hydraulic hose lines can cause uncontrolled escaping of hydraulic fluid and injury to persons nearby or the safety of the front loader can be impaired. ...

  • Page 123: Service Instructions For The Change Frame

    SERVICING 8.2.7 Service instructions for the change frame ⚠ WARNING Risk of serious injury due to the change frame breaking off! In cases of strong wear of the change frame, the change frame can break off of the front loader and thus cause serious injury to the driver or bystanders.

  • Page 124: Decommissioning

    DECOMMISSIONING Decommissioning Temporary decommissioning ⚠ WARNING Risk of injury due to lacking stability! If the front loader is not correctly and safely parked, it can tip over and injure persons nearby.  Only park the front loader with a mounted implement that weighs at least 70 kg (for front loaders with OPG: 130 kg).

  • Page 125: Recommissioning

    DECOMMISSIONING (7) Using the lowering function, release the front loader pins from the catch hooks. (8) Switch off the tractor.  Apply the parking brake.  Stop the engine.  Depressurize the hydraulic system (see 6.1 Operating elements). (9) Uncouple the front loader hydraulic system. B07M (10) Disconnect the electrical system.

  • Page 126: Final Decommissioning And Disposal

    DECOMMISSIONING Final decommissioning and disposal NOTICE Environmental damage due to improper disposal! The front loader contains operating materials as well as electrical and hydraulic components that need to be disposed of separately. Improper disposal can harm the environment.  Observe the national and local regulations and environmental legislation for the disposal. ...

  • Page 127: Spare Parts And Customer Service

    The use of non-approved spare parts can impair the safety of the front loader and results in expiry of the operating permit.  Only use original spare parts or those approved by STOLL. Original spare parts and fitting accessories are listed in separate spare part lists.

  • Page 128: Technical Specifications

    TECHNICAL SPECIFICATIONS Technical specifications 11.1 Dimensions and weights Front loader Nominal width [mm] Lifting arm length [mm] Nominal lifting force [daN] Weight [kg] FZ 36-20 2390 1680 FS 36-24 2390 1980 FZ 36-24 2390 1980 FZ 39-23 2562 1850 FS 39-27 2562 2140 FZ 39-27...

  • Page 129: Noise Emissions

    TECHNICAL SPECIFICATIONS Operator Protective Guard (OPG) Can be used for: ID no. Weight [kg] Front loader Tractors 3817530 ProfiLine FZ (nominal width with 2-post rollover protection system 916 mm) (ROPS) installed at the rear 3817540 ProfiLine FZ (nominal width 1100 mm) 11.2 Noise emissions The emission sound pressure level is less than 70 dB(A) (depending on the tractor).

  • Page 130: Hydraulic Diagram

    TECHNICAL SPECIFICATIONS 11.4 Hydraulic diagram 11.4.1 FS hydraulic diagram 210 bar 210 bar 150 bar B0GE Fig. 153 FS hydraulic diagram (when equipped with 3rd and 4th control circuit) Legend 4th control circuit (optional) 3rd control circuit (optional) Comfort Drive (optional) Hydro-Lock (optional) Tractor pump B58FZ2 0000000186 EN 005...
  • Page 131 TECHNICAL SPECIFICATIONS 210 bar 210 bar 150 bar B0GF Fig. 154 FS hydraulic diagram (when equipped with REAL Legend 3rd control circuit (optional) REAL (optional) Comfort Drive (optional) Hydro-Lock (optional) Tractor pump B58FZ2 0000000186 EN 005...

  • Page 132: Hydraulics Diagram Fz And Fz-L

    TECHNICAL SPECIFICATIONS 11.4.2 Hydraulics diagram FZ and FZ-L 210 bar 210 bar 150 bar B0GG Fig. 155 FZ and FZ-L hydraulic diagram (when equipped with 3rd and 4th control circuit) Legend 4th control circuit (optional) 3rd control circuit (optional) Quick emptying (only FZ-L) Return To Level (only FZ-L) Comfort Drive (optional) Hydro-Lock (optional)
  • Page 133 TECHNICAL SPECIFICATIONS 210 bar 210 bar 150 bar B0GH Fig. 156 FZ and FZ-L hydraulic diagram (when equipped with REAL Legend 3rd control circuit (optional) REAL (optional) Quick emptying (only FZ-L) Return To Level (only FZ-L) Comfort Drive (optional) Hydro-Lock (optional) Tractor pump B58FZ2 0000000186 EN 005...

  • Page 134: Anti-Lowering Guard

    TECHNICAL SPECIFICATIONS 11.4.3 Anti-lowering guard Fig. 157 shows excerpts from the hydraulic diagram for the optional anti- lowering guard. Depending on the front loader, the rest of the hydraulic diagram corresponds to the illustration in 11.4.1 FS hydraulic diagram and 11.4.2 Hydraulics diagram FZ and FZ-L.
  • Page 135 TECHNICAL SPECIFICATIONS +12 V +12 V 10 A 10 A -S2a gn/ye (FZ-L) B0GJ Fig. 159 Electric circuit diagram (when equipped with 3rd and 4th control circuit) Legend 4th control circuit 3rd control circuit Quick emptying (FZ-L) Return To Level (FZ-L) Comfort Drive (vibration damping) Hydro-Lock (hydraulic implement locking mechanism) Switch for headlights...
  • Page 136 TECHNICAL SPECIFICATIONS -S1b -S2b +12 V +12 V 10 A 10 A -S2a -Q2a gn/ye (FZ-L) B0GL Fig. 160 Electric circuit diagram (when equipped with REAL Legend 3rd control circuit REAL Quick emptying (FZ-L) Return To Level (FZ-L) Comfort Drive (vibration damping) Hydro-Lock (hydraulic implement locking mechanism) Switch for headlights Button on the operating lever (on some operating levers with relay)

  • Page 137: Arrangement Of The Hydraulic Valves For Additional Functions

    TECHNICAL SPECIFICATIONS 11.6 Arrangement of the hydraulic valves for additional functions The figure shows the arrangement of the hydraulic valves for the additional functions Q1 to Q6 on the cross bar of the front loader lifting arm. The maximum equipment for the FZ front loader (including FZ-L) and FS is shown.

  • Page 138: Ec/Eu Declaration Of Conformity

    Directive 2014/30/EU of the European Parliament and the Council for Electromagnetic Compatibility (EMC), The technical documentation was produced according to Annexe VII A of Directive 2006/42/EC, and is the responsibility of the development manager at Wilhelm STOLL Maschinenfabrik GmbH, Bahnhofstrasse 21, D-38268 Lengede. B58FZ2 0000000186 EN 005...
  • Page 139 EC/EU DECLARATION OF CONFORMITY The design and manufacturing of the front loader observed the following harmonised standards that are also published in the EU official gazette: Harmonised standards Date Title of the standard DIN EN ISO 4254-1 2022-12 Agricultural machinery - Safety - Part 1: General requirements DIN EN ISO 4413 2011-04 Hydraulic fluid power –...

  • Page 140: Operator Protective Guard (Opg)

    The operator protective guard (OPG) is a safety component as defined by Directive 2006/42/EG and Regulation 2023/1230. The OPG is designed to be mounted on a front loader manufactured by Wilhelm Stoll Maschinenfabrik GmbH. It ensures that large objects falling from the exchangeable equipment (e.g.
  • Page 141 EC/EU DECLARATION OF CONFORMITY The design and manufacturing of the machine observed the following harmonised standards that are also published in the EU official gazette: Harmonised standards Date Title of the standard EN ISO 12100 2010 Safety of machinery - Basic terms, General principles for design for the safety of machinery - General principles for design - Risk assessment and risk reduction EN ISO 4254-1...

  • Page 142: Index

    INDEX Index 3rd control circuit ..... 54 Faults ......111 Float position..
  • Page 143 INDEX Passing through low clearances ..110 Plug-in couplings .....39 Preparations on the tractor ... .62 Pro Control ......78 Protective and safety equipment .
  • Page 144 Address of the dealer Stick or write down the serial number here Wilhelm STOLL Maschinenfabrik GmbH STOLL on the Internet: PO box 1181, 38266 Lengede www.stoll-germany.com Bahnhofstr. 21, 38268 Lengede www.facebook.com\STOLLFrontloader Phone: +49 (0) 53 44/20 222 www.youtube.com\STOLLFrontloader Fax: +49 (0) 53 44/20 182 E-mail: info@stoll-germany.com...

This manual is also suitable for:

Profiline 48-42FsFzFz-l

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