Adjustment of PTO belts, Change PTO belts | Husqvarna P 520D

Maintenance

Adjustment of PTO belts

1Tighten screw (4) until the sleeve bottoms against the frame bracket.Tighten lock nut (3) whilst holding screw (4) ﬁrmly.

Change PTO belts

WARNING! Protect your hands with gloves

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

Always replace the belts in pairs.

1Prevent the engine from starting by removing the ignition key before making any adjustments or performing maintenance.

2Fold down driver's seat.

3Remove the cover plate of the hydraulic pump drive shaft.

4Unscrew the bolts (1) of the coupling that connects the drive shaft and the hydraulic pump and remove the spacer ring (2) from the coupling. The drive shaft must be locked with some kind of tool, for example. a big U-spanner or screwdriver.

5Loosen the lock nut (3) and the lower screw (4) until it is completely free from the belt tensioner.

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5

6Remove rear bearing spacer screws (5) and remove the spacer (6).

7Cut/pull off the old belts.

8Pull the new belts through the gap between the spacer ring and the hydraulic pump.

9Feed the lower part of the strap between the bearing bridge and the bracket.

10Pull the belt onto the pump belt pulley ﬁrst and then onto the lower belt pulley. Repeat the procedure with the second belt.

11Fit the spacer (6) to the bearing bridge and screw the bearing bridge tight with the associated screws (5). Torque 47 Nm.

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5

12Replace the spacer ring (2) and screw the hydraulic pump securely to the drive shaft. Torque for the screws (1) is 47 Nm.

13Fit the belt tensioner screw with spring and sleeve. Tighten screw (4) until the sleeve bottoms against the frame bracket.Tighten lock nut (3) whilst holding screw (4) ﬁrmly.

14Check belt tension after the ﬁrst 25 hours after belt change.

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Husqvarna P 520D, P 525D manual Adjustment of PTO belts, Change PTO belts

Contents

English 520D 525D Contents After the ﬁrst 25 hours Pre-delivery service Towing IntroductionDear Customer Driving and transport on public roads Good service Symbols KEY to Symbols Location of the controls What is WHAT? General use Safety InstructionsSafety instructions Insure your Rider This is what you do Driving on slopes Children Maintenance Transport Presentation Lowering the Unit Mowing Position Adjusting the cutting heightLever for hydraulic lift of attachments Lifting the Cutting Unit Transport Position Fueling Lights and power outletSafety instructions Seat Bypass valves Instrument panel Auxiliary lift system Rops Roll Over Protective Structure Start the engine Starting and driving when coldStarting Engine Before starting Connecting the jump leads Starting the engine with a weak batteryRemove the cables in the reverse order Stop the engine DrivingDriving the Rider Braking Other objects which can be thrown out by the blades Cutting tips 800 Maintenance scheduleStarting Completed Removing of the machine hoods CleaningChecking the engine’s cooling air intake Change pump and alternator belt Adjustment of pump and alternator beltAdjusting the parking brake Replacement of fuel ﬁlter Replacing the air ﬁlter Cleaning the air ﬁlterCleaning the engine and mufﬂer Cleaning the ﬁlter cover Checking the tyre pressure Check the safety systemReplacing the light bulbs Main fuse Cutting Unit Components Check the batteryFitting the cutting head Trapping your hand Pins are loosened. Observe caution to avoidRemoving the cutting unit Lift arms move with great force when Placing in the service position Service position for the cutting unit Restoring from service position Cutting height and tilt angle adjustmentCutting height Tilt angle Replacing the cutting unit beltsChecking the blades Removing the BioClip plug Change PTO belts Adjustment of PTO belts Glycol Water Freezing point Change coolant General Lubrication schedule Universal drive shaft joints AccessoriesPivot wheel bearings Cutting unit bevel gear Joint bearing Drive shaft front support bearingDrive shaft rear support bearing Steering cylinder Drained directly after stopping the engine Changing the oil ﬁlterCheck the hydraulic system oil level Replacing the engine oil Lubricating the cables Knobs for setting the cutting heightLubricate the parking brake wire Driver seat Engine does not run smoothly Problem Procedure Engine does not startEngine seems to have no power Starter motor does not turn over the engine Engine overheats Battery does not chargeUneven mowing Electrical System Wiring diagram P 520D Electrical System Electrical System Electrical System Electrical System Electrical System Wiring diagram P525 D Electrical System Electrical System Electrical System Electrical System Electrical System Winter storage ServiceGuard Technical Data Sound levels see note EC-declaration of conformity Applies to Europe onlyVibration levels see note Original instructions 1154837-26 ´z+Vsh¶6¨ ´z+Vsh¶6¨