Husqvarna PT26 D - Manual

5 Symbols and Decals Chapter 2: Symbols and Decals These symbols are found on the machine and in the operator’s manual. Symbols for control units and warning lamps are displayed in chapter “Presentation”, see page 42 and following pages. Study them carefully so you understand their significance. Sta...

6 Symbols and Decals Used in this publication to notify the reader of a risk of serious personal injury , particularly if the reader should neglect to follow instructions given in the manual. Used in this publication to notify the reader of a risk of material damage , particularly if the reader shou...

7 Safety Instructions Chapter 3: Safety Instructions These instructions are for your safety. Read them carefully. General Use • Read all instructions in this operator’s manual and on the machine before starting it. Ensure you understand them and then observe them. • Learn how to use the machine and ...

8 Safety Instructions • Shut down the blades when not mowing. The blades must only be running when the cutting unit is lowered and active when used for mowing. • Be careful when rounding fixed objects, so that the blades do not hit them. Never run the machine over foreign objects. • Never drive clos...

9 Safety Instructions • Never use the machine when barefoot. Always wear protective shoes or protective boots, preferably with steel toes. • Make sure that you have first aid equipment close at hand when using the machine. Driving on slopes Driving on slopes is one of the operations where the risk o...

10 Safety Instructions Children • Serious accidents may occur if you fail to be on guard for children in the vicinity of the machine. Children are often attracted to the machine and mowing. Never assume that children will stay put where you last saw them. • Keep children away from the mowing area an...

11 Safety Instructions • If leaks arise in the fuel system, the engine must not be started until the problem has been resolved. • Store the machine and fuel in such a way that there is no risk of leaking fuel or fuel vapour leading to damages. • Check the fuel level before each use and leave space f...

12 Safety Instructions flammable liquids are stored in an open container. Do not work on the starter motor circuit in the vicinity of spilt fuel. Disconnect the battery's power connection cable (usually the black negative cable) first and connect it last. Exercise care with tools so that short circu...

13 Safety Instructions • Reduce the risk of fire by removing grass, leaves and other debris that may have fastened in the machine. Allow the machine to cool before putting it in storage. • Do not turn over the engine by hand without preventing the engine from starting, which can be done in different...

14 Safety Instructions hand in for destruction. Remember to follow local regulations. Generally you can deposit waste oil at workshops or petrol stations that handle waste oil. • Replaced oil and fuel filters are environmental hazardous waste, handle them as waste oil. • Do not spill fuel when refue...

15 Presentation Chapter 4: Presentation Congratulations on your choice of an exceptionally high quality product. This operator's manual describes Husqvarna PT 26D. It is fitted with a Perkins 3 cylinder diesel engine developing 26 horse power. PT 26D is equipped with hydraulic steering and attachmen...

16 Presentation 1. Speed control for driving forwards page 17 2. Speed control for reversing page 17 3. Parking brake page 17 4. Control panel page 16 5. Knob for the backrest rake page 18 6. Catch for seat folding page 18 7. Knob for the lumbar support page 18 8. Lever for lateral seat adjustment p...

17 Presentation 1-2. Speed control The speed of the machine is variably controlled using two pedals. Pedal (1) is used to travel forwards and pedal (2) to reverse. 3. Parking brake Apply the parking brake by moving the handle forward. Release the parking brake by moving the handle back. WARNING: 40....

18 Presentation 4. Control panel There are controls and switches on the control panel on the right-hand side of the driver that are used when operating the machine. The lower section of the panel is equipped with a cover over the machine’s fuses and relays. See “21-37. Controls on the control panel”...

19 Presentation 10. Steering wheel and steering wheel console The position of the steering wheel can be adjusted vertically. The mounting for the steering unit in the steering column can be adjusted vertically. Depress the lever (49) and fold the steering wheel console to one side to facilitate ente...

20 Presentation Do not smoke when filling the tank with fuel. Diesel is less flammable than petrol at normal temperatures, but becomes very flammable if heated to the flash point. This varies depending on the type of diesel but is normally higher than +50 °C (120 °F). Observe fuel hygiene. The diese...

21 Presentation Other functions (option) When the lever is moved laterally, the oil pressure is operated to the 2nd hydraulic function, the terminals are under the foot plate hatch. 22. Switch for operation of cutting unit The cutting unit can only be started when the driver is sitting in the seat. ...

22 Presentation 26. Starter switch Three positions: • OFFAll functions switched off. The engine is stopped. The parking light can be switched on (traffic kit option). • ONNormal operating position. • Start and PreheatingKeep the switch in the glow plug mode, when glow plug heating is complete the st...

23 Presentation 30. Weight transfer Weight transfer is activated using this switch, transfers a proportion of the unit’s weight to the machine. This causes greater ground pressure on the machine’s front wheels and lower ground pressure on the unit’s pivot wheels. It is recommended to use weight tran...

24 Presentation 36 . Chronometer The chronometer shows how many hours the engine has been running. Any time when the engine is not running but the ignition is switched on is not registered. The last digit shows tenths of an hour (6 minutes). 40-51. Warning lamps On the steering wheel console under t...

25 Presentation Rops The bow is foldable. Pull out the pins and fold the bow backwards. If the bow is used unfolded, safety belt must be used . If the bow is used folded, safety belt should NOT be used. x 2

26 Presentation Cooling system The engine is water cooled. In the event of a high engine coolant temperature being indicated, check the coolant level first. Also check that the radiator grille behind the driver's seat is not clogged. See “Checking radiatorgrilles” on page 79. The correct engine cool...

27 Presentation Only fill antifreeze and water ready mixed in a 50/50 ratio. Check the level when the engine has been driven for a few minutes after filling. There could have been air in the system which has now been released. Antifreeze Only use a glycol based antifreeze that is approved by the app...

28 Presentation laterally to the side in relation to the machine. If necessary, the cutting unit can be turned to the service position to be able to clean the underneath of the cover for example. Accessories The accessories are described in separate operator’s manuals. Contact your dealer if you req...

29 Driving Chapter 5: Driving Mowing Tips • Locate and mark plants, rocks and other fixed objects in order to avoid collisions. • Begin with a high cutting height and reduce it until the desired mowing result is attained. • The mowing result will be best with a high engine speed (the blades rotate r...

30 Driving Before Starting • Read section “Safety Instructions” on page 11 and “Presentation” on page 29. • Carry out daily maintenance according to “Maintenance Schedule” on page 71. • Adjust the seat to the desired position. See “5-9. Seat” on page 35. • Adjust the steering wheel and steering whee...

31 Driving Starting the engine 1. Apply the parking brake by moving the handle forward. The engine cannot be started if the parking brake is applied or if a driving pedal is pressed. Check that the switch for the cutting unit drive is depressed. If the engine starts with the switch pulled out, it mu...

32 Driving 5. Set the desired engine speed (even idle) using the throttle control. Allow the engine to run at a moderate speed, for 3-5 minutes before loading it heavily. Starting in cold conditions If the engine does not start due to cold conditions, repeat glow plug heating and try starting again....

33 Driving • Connect the other end of the BLACK lead to a good CHASSIS EARTH, away from the fuel tank and battery. Remove the leads in reverse order: • The BLACK cable is removed from the chassis and then the fully charged battery. • Finally the RED cable from both batteries. Driving the machine 1. ...

34 Driving 5. Activate weight transfer if desired using the switch (30) on the control panel. The weight transfer position must always be activated when driving up slopes and deactivated when driving down slopes. 6. Start the cutting unit as necessary using the switch for power take-off (22) on the ...

35 Maintenance Chapter 6: Maintenance It is good practice to always check for leaks and loose components after use. Also check the machine and listen for knocking sounds. During hard use and in extreme conditions, the service intervals should be reduced. Check the cooling system’s antifreeze before ...

37 Maintenance 2. Maintenance and replacement are required more often in dusty conditions. 3. With daily use, the machine shall be lubricated twice weekly. 4. Performed by authorised service workshop. 5. After the first 25 hours. Cleaning Clean the machine directly after use. It is much easier to wa...

38 Maintenance Removing the machine’s covers Engine cover 1. Open the engine covers on both sides. 2. Remove the screws holding the engine cover. 3. Lift off the engine cover. Assemble in the reverse order. Checking radiatorgrilles Clean the radiator grille behind the driver's seat: Fold the driver'...

39 Maintenance Replacing the pump and generator drive belts 1. Release the belt tension for the pump and generator drive belts completely and pry off the belts. If necessary, slacken off the generator’s lower mounting screw slightly if the generator is securely fastened. 2. Install a new belt. 3. Ad...

40 Maintenance 4. Check that the pedal can be locked in the applied position with normal pedal force. 5. Adjust as necessary using the wires' adjuster screws (R and L). Servicing the air filter If the engine seems to lack power or does not run smoothly this may be because the air filter is clogged. ...

41 Maintenance Bleeding the fuel system If you have run out of fuel, the fuel system must be bled. Facilitatebleeding by pumping using a hand pump. Remove the fuel tank filler cap and check the return fuel to the tank. When bubble free fuel flows to the tank, the engine can be started. Carry out ful...

42 Maintenance Servicing the battery The machine is equipped with a sealed “maintenance-free” battery. The battery has an inspection hole that displays different colours: • Green = OK. • White = Charge the battery. • Red = Replace the battery. Clean the battery and holder with soap water solution. D...

43 Maintenance FU3 10 A Red Control circuit (max. 10A). If FU3 blows the entire machine will be dead. The circuit fuses are located on the circuit board under a cover on the control panel’s right-hand side. If any of these fuses trip, only the relevant circuit has no power. FU1 10 A Red Power take-o...

44 Maintenance Replacing the bulb in the headlight Applies to the headlight lamp. For information about the bulb type, see “Technical data”. 1. Remove the plastic covers (41+43) surrounding the steering wheel console. 2. Disconnect the cable (Caution! plastic hooks) and carefully lift off the unit w...

45 Maintenance 5. Fold the wire loop for headlight lamp to one side and replace the bulb. 6. Assemble in the reverse order. Light setting Place the machine at least 5 m from a wall. The machine must stand flat. The steering wheel console must be in the rear position. Switch on the headlights. The lo...

46 Maintenance 2. Remove the propeller shaft completely. Pull the ring to release the quick connector and to be able to pull the propeller shaft from the shaft journal. 3. Start the engine and raise the cutting unit to the transport position. 4. Stop the engine. 5. Remove the pins on both sides. 6. ...

47 Maintenance 14. Continue to screw in the adjustment screw for tilt angle. 15. Install the shaft for the link joint and its pins on both sides. 16. Start the engine and raise the cutting unit to the transport position. 17. Stop the engine. 18. Install the pins on both sides. 19. Lower the cutting ...

48 Maintenance 4. Set the handle for cutting height setting. Release the handle by pressing in the button and turning it to the horizontal position, so that it does not catch on bushes etc. The height interval is between 25 - 127 mm (1”- 5”), 7 positions. Tilt angle The machine must be on a flat sur...

49 Maintenance 5. Remove the pins on both sides. 6. Tilt the cutting unit. 7. Secure the cutting unit with the pin in the service handle. Keep track of the hairpin spring. 8. The cutting unit in the service position. Releasing the Service Position Images, see “Placing in the service position”. 1. Re...

50 Maintenance Checking the Blades It is important that the blades are undamaged and well-ground to give the best mowing result. The blades should be balanced after sharpening. Damaged blades should be replaced when hitting obstacles that result in a breakdown. Let the servicing dealer judge whether...

51 Maintenance 5. Undo the locking nut (3) and the lower screw (4) for the belt tensioner. Remove the belt tensioner. 6. Do not unscrew the centre bolt in the drive shaft. Remove the rear bearing bridge’s screws (5) and the spacer washer (6). 7. Cut off the old belts. 8. Insert the new belts through...

52 Maintenance 4. Slacken off two screws and remove the three others for the gear housing. Turn the gear housing so that the belts can be moved under the pulley. 5. Check that the belt tensioning equipment is not jammed or binding and replace the spring. 6. Position the new belt and reinstall the ge...

53 Lubrication Chapter 7: Lubrication Lubrication Schedule When in daily use, the weekly lubrication (40 h) schedule should be carried out twice a week. General The position numbers for the lubrication points refer to the lubrication instructions on the following pages. Remove the ignition key to pr...

54 Lubrication Accessories Lubrication or other maintenance of optional equipment or accessories, see “Accessories” on page 55, is not described in this manual. This equipment too, naturally, requires maintenance. See the manuals for the respective accessories for instructions. Lubricating in Accord...

55 Lubrication 5. Lift cylinder 2 nipples, one at each end of the cylinder. Lubricate using a grease gun until grease is forced out. 6. The power take-off shaft’s front support bearing Lubricate using a grease gun until grease is forced out. 7. Engine Oil Viscosity and quality Use engine oil viscosi...

56 Lubrication Filling engine oil The oil filler opening is on the valve cover. Never fill above the “FULL” mark (upper notch on the dipstick). Fill the oil slowly. Reinstall the dipstick before starting the engine. Start and run the engine at idling speed for approx. 30 seconds. Turn off the engine...

57 Lubrication 7. Replacing the engine’s oil filter 1. Remove the oil filter. If necessary, use a filter remover. 2. Clean the oil filter’s mounting. 3. Wipe new, clean engine oil onto the seal for the new filter. 4. Fit the filter by hand until it mates + 3/4 turns. 5. Run the engine warm, then che...

58 Lubrication Changing hydraulic oil Hydraulic oil and filters should be changed by an authorised Husqvarna workshop. 8. Hydraulic oil filter, change Hydraulic oil filters should be changed by an authorised Husqvarna workshop. 9. Cutting unit mounting Lubricate ball joints and shafts with the oil c...

59 Lubrication 12. Parking brake cables See “Lubricating the cables” on page 53. Lubricate the upper ends of the cable. Remove the cable’s rubber casing (R and L) when lubricating. Lubricate the cable with an oil can, apply the parking brake a few times and lubricate again. 13. Control cylinder 2 ni...

61 Trouble Shooting Guide Chapter 8: Trouble Shooting Guide Check the machine refer to this guide before contacting your service workshop. Problem Cause The engine will not start. • Fuel tank empty • Incorrect fuel type • Air in fuel system • The glow plug system is not working (Fuse FU7) • Serious ...

65 Storage Chapter 9: Storage Winter Storage At the end of the mowing season, the machine should be readied for storage (or if it will not be in use for a long period). There is less of a risk of corrosion damage if the machine is cleaned and stored in a dry environment. Diesel is stable and can be ...

66 Storage Service Low season is the most suitable time to perform a service or overhaul of the machine in order to ensure high function safety during high season. When ordering spare parts, please specify the purchase year, model, type, and serial number. Always use genuine Husqvarna spare parts. A...

67 Electrical system Chapter 10: Electrical system Electrical system, component locations 1. Headlight 2. Indicator panel 3. Control panel 4. Circuit board 5. Circuit fuses 6. Starter 7. Generator 8. Sensor engine temperature (2) 9. Oil pressure sensor (concealed) 10. Fuses and main relay 11. Main f...

68 Hydraulic System Chapter 11: Hydraulic System 1. Quick couplings, see diagram2. Lift cylinder3. Control cylinder4. Control unit5. Valve block working hydraulics 6. Valve block transmission7. Wheel motors8. Hydraulic pump Control and air system9. Hydraulic pump Drive system 10. Inlet strainer11. H...

70 Fuel system Chapter 12: Fuel system Fuel system with in-line pump has excellent operational reliability as long as the fuel is kept clean. If contaminated fuel is filled or enters the system in the incorrect manner, the risk of malfunction or wear/damage to the injection pump increases. Contamina...

71 Technical Data Technical Data Data PT 26D Dimensions Excluding cutting unit Length, base machine 2070 mm / 6.79 ft Width, base machine 1170 mm / 3.83 ft Height 1300 mm / 4.26 ft Operating weight, base machine 600 kg / 1322 lb Wheelbase 1180 mm / 3.87 ft Tyre dimensions 20x10.0-10 Tyre pressure, m...

73 Technical Data Noise emissions with unit C155 Measured noise level 2 103 dB(A) Guaranteed noise level 2 104 dB(A) Sound pressure level at the operators ear 3 , dB(A) 90 Noise emissions with unit C132 Measured noise level 2 102 dB(A) Guaranteed noise leve 2 l 102 dB(A) Sound pressure level at the ...

75 Design standards Design standards EU Declaration of Conformity (only applies to Europe) Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare under sole responsibility that the Husqvarna PT 26D, from 2010’s serial numbers and onwards (the year is clearly stated in plain text on t...

´®z+Uy@¶6u¨ 2010-08-16 ´®z+Uy@¶6u¨ 1153893-26 Original instructions