Husqvarna PF 21 AWD Checking the cutting unit’s parallelism, Replacing the cutting unit belts

Page 36

Maintenance

Checking the cutting unit’s parallelism

Check the cutting unit’s parallelism as follows:

1Check the air pressure in the tyres 60 kPa/0.6 bar/8.5 PSI.

2Place the machine on a flat surface.

3Put the lifting lever in the mowing position.

4Measure the distance between the ground and the front and rear edges of the cutting unit hood. The cutting unit should have a slight slant, with the rear edge 2-4 mm (1/ 8”) higher than the front edge.

Adjusting the parallelism of the cutting unit

1Remove the front hood and right-hand fender.

2Undo the nuts on the lift strut.

3Screw out (extend) the stay to raise the rear edge of the cover.

Screw in (shorten) the stay to lower the rear edge of the cover.

4Tighten the nuts after adjustment.

5On completion of the adjustment the unit’s parallelism should be re-checked.

6Fit the right-hand fender and the front hood.

Replacing the cutting unit belts

WARNING! Wear gloves to protect your

!hands when working with the blades.

There is a risk of crush injuries when working with the belt.

On these cutting units with collision-proof blades, the blades are driven by one V-belt. Do as follows to change the V-belt:

1Remove the cutting unit.

2Open the lock for the track rod bolt.

Remove the bolt so the track rod is released in one end.

3 Unscrew the bolt holding the unit frame bracket.

4Remove the lock and pass the unit frame out.

5Remove the two bolts on the unit frame.

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Contents PR 17 PR 17 AWD PF 21 PF 21 AWD Contents Service journal Pre-delivery serviceAfter the first 8 hours Introduction Dear CustomerDriving and transport on public roads TowingGood service Serial NumberKEY to Symbols SymbolsBrake Starting instructions Safety Instructions Safety instructionsInsure your Rider General useDriving on slopes This is what you doMaintenance ChildrenTransport What is WHAT? Location of the controlsPresentation Cutting unit Lever for hydraulic lift of attachmentsMechanical Lifting Lever for Cutting Unit Cutting height adjustment lever Exercise care and refuel outdoors see safety instructionsSeat FuellingLights and power outlet Release leverClutch control PR 17 AWD and PF 21 AWD Clutch control PR 17 and PFDriving Cutting tipsBefore starting Start the engineStarting the engine with a weak battery Connecting the jump leadsRemove the cables in the reverse order Driving the Rider BrakingStop the engine Page Maintenance Maintenance scheduleBefore starting Maintenance Once aCleaning Removing of the machine hoodsChecking and adjusting the steering wires Adjusting the parking brake PR 17, PFAdjusting the parking brake PR 17 AWD, PF 21 AWD Can result in reduced braking abilityChecking and adjusting of throttle wire Checking and adjusting the choke wireReplacement of fuel filter Checking the fuel pump’s air filter Checking the transmission’s air intakeReplacing the air filter Cool before starting to replace the air filterCheck the level of the battery acid Cleaning the engine and mufflerIgnition system Replacing the spark plugCheck the safety system Replacing the light bulbs Main fuseChecking the tyre pressure When the engine is running. Mind your fingers Checking the engine’s cooling air intakeReplacing the rear drive belt PR 17 and PF RemovalAssembly Replacing the centre belt Replacing the front belt Fitting the cutting headTrapping your hand Removing the cutting unit Adjusting the parallelism of the cutting unit Checking the cutting unit’s parallelismReplacing the cutting unit belts Service position for the cutting unit Placing in the service positionRestoring from service position Checking the bladesRemoving the BioClip plug Lubrication Lubricating the belt adjuster Driver seatThrottle and choke cables, lever bearings Checking the engine’s oil levelLubricate the hydrostatic cable with links Changing the oil filterReplacing the engine oil Hydraulic oil filter change Parking brake cable PR 17 and PFParking brake cable PR 17 AWD and PF 21 AWD Checking the transmission oil levelTroubleshooting schedule Problem ProcedureElectrical and Hydraulic Systems PR 17 and PR 17 AWDPF 21 and PF 21 AWD Wiring diagram Hydraulic System PR 17, PR 17 AWD, PFService StorageWinter storage GuardTechnical data ´z+S¶6@¨ 50 English´z+S¶6@¨ EC-declaration of conformity Applies to Europe only Cutting unit CombiTurf1151089-26 ´z+S¶6@¨ ´z+S¶6@¨

PR 17, PF 21, PR 17 AWD, PF 21 AWD specifications

The Husqvarna PR 17, PR 17 AWD, PF 21, and PF 21 AWD are advanced pressure washers designed to deliver optimal performance, versatility, and convenience for various cleaning tasks. These models are engineered to cater to both residential and professional users, ensuring that maintaining cleanliness becomes an effortless task.

The Husqvarna PR 17 is a powerful pressure washer that sports a robust design, making it ideal for tackling medium to heavy-duty cleaning jobs. With a maximum pressure output of 1700 PSI and a flow rate of 1.2 GPM, it can efficiently clean driveways, patios, and vehicles. The PR 17 is equipped with an adjustable spray nozzle, providing users with the option to switch between different spray patterns, enhancing its versatility for different surfaces.

For those looking for added traction and stability, the PR 17 AWD (All-Wheel Drive) variant features a sophisticated four-wheel drive system. This technology ensures enhanced maneuverability over uneven terrains and difficult surfaces. The AWD feature is particularly beneficial for users who require improved mobility, whether it's on inclines or rough outdoor environments.

Moving to the PF 21 series, the Husqvarna PF 21 and PF 21 AWD both offer exceptional cleaning performance with their impressive specifications. The PF 21 boasts a powerful motor capable of delivering up to 2100 PSI, making it suitable for more demanding tasks. With a generous flow rate of 1.4 GPM, it can easily remove dirt and grime from larger areas efficiently. The PF 21 comes equipped with a set of interchangeable nozzles, allowing users to adjust the pressure according to their specific cleaning needs.

The PF 21 AWD model adds the all-wheel drive feature, enhancing the user experience by making it easier to navigate while cleaning larger spaces. This model is perfect for professionals and homeowners who require a reliable machine for frequent use. The ergonomic design of both PF 21 models ensures ease of handling and minimizes user fatigue, even during extended cleaning sessions.

These Husqvarna pressure washers also prioritize durability and maintenance ease. With features such as durable steel frames and easily accessible components, users can expect a long lifespan and hassle-free upkeep.

In summary, whether you choose the PR 17, PR 17 AWD, PF 21, or PF 21 AWD, each model offers unique features tailored to a range of cleaning tasks. Their combination of power, technology, and user-friendly designs make them an excellent choice for anyone looking to achieve spotless results.
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