Husqvarna PF 21 Checking and adjusting of throttle wire, Checking and adjusting the choke wire

Page 26

Maintenance

3 Remove the left-hand wing cover.

4Loosen the locking nuts.

5Adjust the play between the casing and the adjustment screw to 1 mm (0.040") when one pulls the casing. This gives a play on the pedal of approximately 40 mm.

6Tighten the nuts carefully to prevent damaging the adjuster screw.

7The brake should be checked again after adjustment

8Assemble the left-hand wing cover.

WARNING! A poorly adjusted parking brake

!can result in reduced braking ability.

Checking and adjusting of throttle wire

Check that the engine responds to the throttle control and that the correct engine speed is achieved at full throttle.

If doubts arise, contact your service representative.

If adjustment is necessary, adjust the lower wire as follows:

1Loosen the clamping screw for the cable’s outer casing and move the throttle to the full throttle position.

2Check that the throttle wire is attached to the correct hole in the lower lever, see diagram.

3Pull the throttle wire casing to the far left and tighten the clamping screw.

Checking and adjusting the choke wire

If the engine is producing black smoke or is difficult to start then the choke wire (upper wire) may be incorrectly adjusted.

If doubts arise, contact your service representative.

If it is necessary to adjust the choke, proceed as follows:

1Release the clamping screw that secures the wire casing and set the choke control to maximum choke.

2Check that the throttle wire is attached to the upper lever, see diagram.

3Pull the choke wire casing to the far right and tighten the clamping screw.

Replacement of fuel filter

Replace the fuel filter every 100 running hours (once per season) or more frequently if it is clogged.

Replace the filter as follows:

1Open the engine cover.

2Move the hose clips away from the filter. Use a pair of flat pliers.

3Pull off the filter from the hose ends.

4Press the new filter into the ends of the hoses. If necessary apply liquid detergent to the ends of the filter to facilitate connection.

5Push the hose clips back on the filter and tighten.

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Contents PR 17 PR 17 AWD PF 21 PF 21 AWD Contents After the first 8 hours Service journalPre-delivery service Driving and transport on public roads IntroductionDear Customer TowingGood service Serial NumberKEY to Symbols SymbolsBrake Starting instructions Insure your Rider Safety InstructionsSafety instructions General useDriving on slopes This is what you doMaintenance ChildrenTransport What is WHAT? Location of the controlsPresentation Mechanical Lifting Lever for Cutting Unit Cutting unitLever for hydraulic lift of attachments Seat Cutting height adjustment leverExercise care and refuel outdoors see safety instructions FuellingClutch control PR 17 AWD and PF 21 AWD Lights and power outletRelease lever Clutch control PR 17 and PFBefore starting DrivingCutting tips Start the engineRemove the cables in the reverse order Starting the engine with a weak batteryConnecting the jump leads Driving the Rider BrakingStop the engine Page Maintenance Maintenance scheduleBefore starting Maintenance Once aCleaning Removing of the machine hoodsAdjusting the parking brake PR 17 AWD, PF 21 AWD Checking and adjusting the steering wiresAdjusting the parking brake PR 17, PF Can result in reduced braking abilityReplacement of fuel filter Checking and adjusting of throttle wireChecking and adjusting the choke wire Replacing the air filter Checking the fuel pump’s air filterChecking the transmission’s air intake Cool before starting to replace the air filterIgnition system Check the level of the battery acidCleaning the engine and muffler Replacing the spark plugCheck the safety system Checking the tyre pressure Replacing the light bulbsMain fuse Replacing the rear drive belt PR 17 and PF When the engine is running. Mind your fingersChecking the engine’s cooling air intake RemovalAssembly Replacing the centre belt Trapping your hand Replacing the front beltFitting the cutting head Removing the cutting unit Replacing the cutting unit belts Adjusting the parallelism of the cutting unitChecking the cutting unit’s parallelism Service position for the cutting unit Placing in the service positionRemoving the BioClip plug Restoring from service positionChecking the blades Lubrication Throttle and choke cables, lever bearings Lubricating the belt adjusterDriver seat Checking the engine’s oil levelReplacing the engine oil Lubricate the hydrostatic cable with linksChanging the oil filter Parking brake cable PR 17 AWD and PF 21 AWD Hydraulic oil filter changeParking brake cable PR 17 and PF 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, PFWinter storage ServiceStorage 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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