Husqvarna ZTH5223, ZTH6125 manual Belt Tensioning Assembly

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REPAIRS

4.Using a 9/16" socket on the bolt of the idler pulley, loosen the deck belt. Roll the belt off the deck pulleys.

5.Roll the belt off the clutch pulley on the crankshaft.

6.Remove the old belt.

7.Fitting the new belt is the reverse of the procedure given above. Ensure that belt routing is as per the accompanying diagram.

8.Check that the belt is not twisted and that it runs correctly around all the pulleys.

Belt Tensioning Assembly

The belt is automatically tensioned by a spring (18). To cancel the force of the spring , use a 9/16" socket on the bolt (33) when removing or ﬁtting the belt.

Check that there is no abnormal noise indicating that the idler pulley is loose on its shaft. If it is loose, tighten the bolt (33) or change the idler pulley.

Check that the idler arm is not loose on its bearing. If it is, tighten the nut (34) or change the bushing (38).

8011-580

Belt routing for the mower deck

8011-617

Belt tensioning assembly

English-39

Image 41

Contents ZTH Svenska Workshop Manual RIDE-ON Lawn Mower ZTH ContentsEnglish-2 Safety Instructions Safety InstructionsGeneral Instructions Special InstructionsSafety Regulations Xxxxxxx xxxx xxxxxxxx xxx x. xxxx xxxxxx Explanation of SymbolsExplanation of Symbols Tools ToolsTechnical Data Technical DataZTH5223 ZTH6125Fuel capacity Litres 11.4 US Gal., 22 litres ZTH5223 ZTH6125Tightening torque, standard Bolts 12 Nm 9 ft/lb 25 Nm 18 ft/lb 44 Nm 33 ft/lb70 Nm 52 ft/lb 110 Nm 80 ft/lb AccessoriesEnglish-10 Delivery and Dealer Service Delivery and Dealer ServicePre-delivery Service Charge the battery Mount the rear tiresCarry out a 25 hour service Hour ServiceAfter the First 8 Hours Change the motor oilEnglish-13 At Least Once a Year Maintenance Schedule Daily Weekly Service Records English-18 Delivery Servicing Delivery ServicingTo our Dealers Removing the Mower from its PackagingDelivery Service Important Information Risk of incorrect assembly/ﬁttingADD Gasoline is highly ﬂammable Take great care Test Running AdministrationDesign and Function Design and FunctionGeneral Mower IdentiﬁcationEngine identiﬁcation Brakes EngineDrive and Control With the belt and the other pulleys Belt is automatically adjusted by a springMower Deck Repairs RepairsRemoving Disconnect the cable from the starter motorFitting Checking and Adjusting the Throttle Wire Adjusting the Throttle WireAdjusting Throttle Lever Tension Diagram Checking and Adjusting the Choke WireFire and health hazard Avoid spills Wipe dry if necessary Fuel tankThree nuts 10 all with washers Springs 9 located on the underside of the splashguardAdjusting Motion Control Lever Spring-back Adjusting Motion Control Lever LinkagesAdjusting the Park Brake See Hydraulic system\Hydraulic pump\Adjusting the linkagesZTH mower deck diagram Spindle Blade Bearings Repairing BearingsRemoving Bearings Roll the belt off see Changing BeltsOr any other damage. If they do, scrap Sharpening and Balancing BladesReplacing Bearings Adjusting Cutting Height Setting the Mower DeckDeck Belt LevelingBelt Tensioning Assembly Changing Pump and Deck Belts Hydraulic Pump BeltFront Wheel Bearings Pump Belt Tensioning AssemblyDismantling AssemblingEnglish-42 Wiring Assembly TroubleshootingDiagram below shows the structure of the electrical system Electrical SystemZTH console harness ZTH frame harness Fuses BatteryRefer to the ZTH electrical system diagram Changing RelaysStarter Motor Contactor Hour Meter Ignition and Start SwitchTroubleshooting Guide Blade SwitchMower Deck Clutch Measuring the Supply VoltageMotion Control Switches Check that the start interlock functions correctly Park Brake Interlock SwitchWelding Hydraulics Hygiene Hydraulic SystemHydraulic System Hydraulic Oils Keep Hydraulic Oil CleanCorrect Oil Leaks Work MethodsZTH Hydraulic System Filling Hydraulic TankDraining Cooler for the Hydraulic System ﬁtting procedure is the reverse of the removal procedureHydraulic Filter Hydraulic LinesDismantling and Assembling Fitting Hydraulic PumpStop the engine and remove the key Reverse Spring Detent AdjustmentDismantling and Assembling Hydraulic MotorsWiring Harness TroubleshootingTroubleshooting To RUN? Clutch Solution Problem Possible causes Clutch will not engageLarge more than Useful life 125/3.18 mm Brake will not engageFailed bearing Loose mounting bolt not tightened Faulty. Repair or replaceNoisy clutch/vibrations Problem Cause Corrective action Troubleshooting Checklist, Hydraulic PumpEspecially the cooler ´+H¶6D¨ Svenska ´+H¶6D¨ 2002W20 Also See