Husqvarna 320 AWD Ignition system, Check the safety system, Main fuse, Checking the tyre pressure

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Maintenance

Ignition system

The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.

For recommended spark plug, see Technical data.

IMPORTANT INFORMATION

Fitting the wrong spark plug type can damage the engine.

Replacing the spark plug

1Remove the ignition cable shoe and clean around the spark plug.

2Remove the spark plug with a 3/4” (19 mm) spark plug socket wrench.

3Check the spark plug. Replace the spark plug if the electrodes are burned or if the insulation is cracked or damaged. Clean the spark plug with a steel brush if it is to be reused.

4Measure the electrode gap with a gapping tool. The gap should be 0.75 mm/0.030”. Adjust as necessary by bending the side electrode.

5Reinsert the spark plug, turning by hand to avoid damaging the threads.

6Tighten the spark plug, once it touches the seating, with the spark plug spanner. Tighten the spark plug so that the washer is compressed. A used spark plug should be turned 1/8 of a turn from the seated position. A new spark plug should be turned a 1/4 turn from the seated position.

7Replace the ignition cable shoe.

IMPORTANT INFORMATION

Inadequately tightened spark plugs can cause overheating and damage the engine. Tightening the spark plug too much can damage the threads in the cylinder head.

Do not turn over the engine if the spark plug or ignition cable has been removed.

Check the safety system

The Rider is equipped with a safety system that requires the following conditions.

The engine can only be started when:

•The cutting deck is raised and the parking brake is applied.

The engine should stop when:

•The cutting deck is lowered and the driver rises from the seat.

•The cutting deck is in its raised position, the parking brake is not applied and the driver rises from the seat.

Check daily to ensure that the safety system works by attempting to start the engine when one of the conditions above is not met. Change the conditions and try again.

Main fuse

The main fuse is placed in a detachable holder under the battery case’s cover, in front of the battery.

Type: Flat pin, 15 A.

Do not use any other type of fuse when replacing.

A blown fuse is indicated by a burnt connector. Pull the fuse from the holder when replacing.

The fuse is there to protect the electrical system. If it blows again shortly after replacement, it is due to a short circuit, which must be fixed before the machine can be put into operation again.

Checking the tyre pressure

The tyre pressure should be 60 kPa (0.6 bar / 9 PSI) all round. To improve driving the pressure on the rear tyres can be reduced to 40 kPa (0.4 bar/5.6 PSI). The maximum tyre pressure is 100 kPa (1,0 bar/14 PSI).

IMPORTANT INFORMATION

Different tyre pressures on the front tyres will result in the blades cutting the grass at different heights. Having the same air pressure in the tyres is important in order to achieve the best possible performance as well as to avoid damage to the machine

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Contents Rider 318 Rider 320 AWD Contents Service journal Pre-delivery serviceAfter the first 8 hours Introduction Symbols KEY to SymbolsStarting instructions Location of the controls What is WHAT?Safety instructions Safety InstructionsInsure your Rider General useThis is what you do Driving on slopesChildren MaintenanceTransport Presentation Fueling SeatRelease lever Release lever RiderDriving Starting the engine with a weak batteryBefore starting Start the engineConnecting the jump leads Driving the RiderRemove the cables in the reverse order Cutting tips Stop the engineOther objects which can be thrown out by the blades Maintenance schedule MaintenanceCleaning Checking and adjusting the steering wiresRemoving of the machine hoods Adjusting the parking brake Rider 320 AWD Adjusting the parking brake RiderChecking and adjusting of throttle wire Can result in reduced braking abilityReplacing the air filter Replacement of fuel filterChecking the fuel pump’s air filter Cool before starting to replace the air filterIgnition system Check the safety systemMain fuse Checking the tyre pressureChecking the engine’s cooling air intake When the engine is running. Mind your fingersFitting the cutting head Trapping your handRemoving the cutting unit Adjusting the parallelism of the cutting unit Checking the cutting unit’s parallelismReplacing the cutting unit belts Placing in the service position Service position for the cutting unitChecking the blades Restoring from service positionRemoving the BioClip plug Combi 103, CombiChecking the engine’s oil level LubricationChanging the oil filter Replacing the engine oilLubricating the belt adjuster Checking the transmission oil levelGeneral lubrication Troubleshooting schedule Storage ServiceWinter storage GuardTechnical Data Cutting unit Combi EC-declaration of conformity Applies to Europe only Page Page Original instructions 1154548-26 ´z+VVr¶6¨ ´z+VVr¶6¨
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320 AWD, 318 specifications

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