Husqvarna PT26 D manual Problem Cause

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Trouble Shooting Guide

Problem	Cause

The engine lacks power	•	Air in fuel system
	•	Clogged air ﬁlter
	•	Fuel ﬁlter blocked
	• Defective excess ﬂow valve
	•	Low feed pressure
	•	Defective feed pump
	• Incorrect timing of injection pump
	•	Serious engine damage

Engine overheating	•	Engine overloaded
	• Coolant level too low
	• Air intake or radiator blocked with grass or dirt
	• Fan damaged or not working
	• Too little or no oil in the engine
	•	Defective radiator cap
	• Broken coolant pump drive belt

Battery does not charge	•	One or more battery cells faulty
	• Poor contact on the battery terminal cable connectors
	•	Defective generator
	• Generator drive belt broken or slipping
	• Breakage on cables to the generator
	•	Insufﬁcient battery maintenance
	•	Sulphated battery

The machine vibrates	•	The blades are loose
	•	Damaged universal joint
	• The engine is loose
	• The hydraulic pump is loose
	• Damaged support bearings for power take off shaft
	• The bevel gear is loose
	• The engine is not running on all cylinders
	• Pulley loose or bearings worn in cutting unit
	• One or more blades imbalanced, caused by damage
		or poor balancing after sharpening

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Contents PT26 D Contents Page Towing IntroductionCongratulations Driving and Transport on Public RoadsSerial Number Proper ServiceSymbols and Decals Important Information General Use Safety InstructionsWhen driving Do as follows Driving on slopesChildren MaintenanceAvoid sparking and its consequences by Other protective devices are not ﬁtted or are defective Environment protection TransportUser responsibility Presentation Placement of controls Parking brake Speed controlSeat Control panelFuelling Adjusting the cutting heightSteering wheel and steering wheel console Differential LockLifting the cutting unit transport position Controls on the control panelControl lever hydraulics Winter fuel and parafﬁn precipitationPush button for horn trafﬁc kit option Switch for operation of cutting unitSwitch for extra hydraulic function hydraulic kit option Indicators trafﬁc kit optionHigh speed Starter switchHeadlight Throttle controlParking lights trafﬁc kit option Weight transferSpare Power outlet Rotating warning light trafﬁc kit optionAdjusting the steering wheel setting ChronometerLever for steering wheel console angle Rops Cooling system Antifreeze Cutting unitAccessories Mowing Tips DrivingStart gas or ether must not be used for this engine Before StartingStarting the engine Starting in cold conditions Starting with a weak batteryDriving the machine Engine stop BrakingCutting the engine Bleeding in the event of fuel stoppageMaintenance Maintenance Schedule250 500 1000 2000 250 500 1000 2000 Cleaning Checking radiatorgrilles Cleaning the radiators heat exchangerAdjusting the pump and generator drive belts Removing the machine’s coversChecking the exhaust system Checking and adjusting the throttle controlAdjusting the parking brake Replacing the pump and generator drive beltsEmptying the particle trap Cleaning the cyclone ﬁlterServicing the air ﬁlter Replacing the air ﬁlterBleeding the fuel system Servicing the fuel ﬁlterChecking the Tyre Pressures Fuses Servicing the batteryFU2 FU9 Checking the Safety SystemReplacing the bulb in the headlight Side shifting the cutting unit Light settingCutting Unit Components Attaching and removing the cutting unitImportant Information Cutting height Setting the cutting height and tilt angleGround pressure Cutting Unit’s Service PositionPlacing in the Service Position Tilt angleCutting Unit Model Releasing the Service PositionReplacing the power take-off belts Checking the BladesAlways replace the belts in pairs Adjusting the power take-off belts Replacing the cutting unit beltReplacing the belt on the Combi unit Removal of BioClip Plug Lubricating the cables LubricationLubrication Schedule GeneralCutting unit’s bevel gear Handle for cutting height settingLubricating in Accordance with Lubrication Schedule Pivot wheel bearingsViscosity and quality Power take-off shaft’s front support bearingLift cylinder Engine OilChanging the Engine Oil Filling engine oilFilling hydraulic oil Replacing the engine’s oil ﬁlterHydraulic oil Inspection off the oil levelDriver’s Seat Hydraulic oil ﬁlter, changeCutting unit mounting Lifting arm’s rear bearingsControl cylinder Parking brake cablesLubrication Problem Cause Trouble Shooting GuideProblem Cause Problem Cause Trouble Shooting Guide Winter Storage StorageService Electrical system Hydraulic System Hydraulic System Fuel system Data PT 26D Technical DataTransmission Vibration levels4 Technical Data Design standards EU Declaration of Conformity only applies to EuropeDiverse design standards Design standards Page Page Original instructions 1153893-26 ´z+Uy@¶6u¨ ´z+Uy@¶6u¨