Husqvarna ZTH5223, ZTH6125 manual Relays, Starter Motor Contactor, Changing

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ELECTRICAL SYSTEM

Relays

Refer to the “ZTH electrical system” diagram.

The relays (22) plug into a holder under the seat (on the left). The three relays are identical and can be plugged into any of the sockets in the holder.

Relay function (working along the holder from right to left) is:

Brake relay

 

Run relay

 

Start relay

 

Removing

 

Pull relays directly upwards. If necessary,

8011-597

Relays

carefully work a screwdriver under the relay

 

and lever upwards.

 

Fitting

The relays have an asymetric pin pattern and will fit into the sockets in one way only. Press each relay down until the body contacts the holder.

Starter Motor Contactor

Changing

1.Disconnect the cable connecting the battery to the chassis. To avoid damaging the battery terminals, use two wrenches.

2.Pull the cables off the contactor.

3.Remove the contactor (the nuts are under the frame plate).

4.Position the new contactor so that the pin for the control cable is towards the chassis wall. The black cable connects to the front binding screw.

5.Connect the control cable (yellow) to its pin.

6.Connect the wires to to the battery and starter motor as shown in the diagram. Replace the connector guards.

7.Connect the cable between the battery and the chassis.

8011-598

Starter motor contactor

English-47

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Contents ZTH Svenska Workshop Manual RIDE-ON Lawn Mower ZTH ContentsEnglish-2 Safety Instructions Safety InstructionsGeneral Instructions Special InstructionsSafety Regulations Explanation of Symbols Explanation of SymbolsXxxxxxx xxxx xxxxxxxx xxx x. xxxx xxxxxx 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 Drive and Control EngineBrakes Mower Deck Belt is automatically adjusted by a springWith the belt and the other pulleys Repairs RepairsRemoving Disconnect the cable from the starter motorFitting Adjusting Throttle Lever Tension Adjusting the Throttle WireChecking and Adjusting the Throttle Wire 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 BeltsReplacing Bearings Sharpening and Balancing BladesOr any other damage. If they do, scrap 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 Refer to the ZTH electrical system diagram BatteryFuses Starter Motor Contactor RelaysChanging 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 Hydraulic System Hydraulic SystemHydraulics Hygiene Hydraulic Oils Keep Hydraulic Oil CleanCorrect Oil Leaks Work MethodsZTH Hydraulic System Draining Hydraulic TankFilling 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 MotorsTroubleshooting TroubleshootingWiring Harness To RUN? Clutch Solution Problem Possible causes Clutch will not engageLarge more than Useful life 125/3.18 mm Brake will not engageNoisy clutch/vibrations Faulty. Repair or replaceFailed bearing Loose mounting bolt not tightened Problem Cause Corrective action Troubleshooting Checklist, Hydraulic PumpEspecially the cooler ´+H¶6D¨ Svenska ´+H¶6D¨ 2002W20 Also See