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CHANGING OIL
Replace the oil when the engine is warm and the fuel tank is empty. Take care while draining as the oil is hot, this is to prevent burns.
Change the oil the first time after 5 hours of oper- ation, and subsequently after every 50 hours of op- eration or once a season. Remove the dip stick, tilt the mower and let the oil run out into a contain- er.Be careful not to let any oil run on to the grass.
Fill with new oil: use oil of SAE 30 or SAE 10W- 30 quality. The crankcase holds approx. 0.6 litre. Fill until the oil reaches the “FULL/MAX” mark on the dip stick.
AIR FILTER
A dirty and blocked air filter reduces the engine output and increases engine wear.
Clean the filter every three months or after every 25 hours of use, which ever occurs first. More of- ten if the lawn mower is used on dusty ground.
Briggs & Stratton model. LS45:
Carefully remove the air cleaner so that no dirt falls down into the carburettor (fig. 19). Take out the foam plastic filter element and wash it in liquid de- tergent and water. Dry the filter element. Pour a little oil on the filter element and squeeze it in. Refit the air cleaner.
Briggs & Stratton model. ES40:
Loosen the screw and fold down the cover of the air cleaner. Carefully remove the filter cartridge (fig. 20). Knock it against a flat surface. Replace the filter cartridge with a new one if it is still dirty.
SPARKING PLUG
Never remove the spark plug or the igni- tion lead when checking to see if there is any spark, always use an approved test instrument.
Clean the sparking plug regularly (every 100 hours running). Use a wire brush for cleaning and adjust the correct spark gap 0,75 mm (fig. 21).
Change the sparking plug if the electrodes are exces- sively burnt or if the plug is damaged. The recommen- dations of the engine manufacturers are as follows:
Champion J19LM (RJ19LM) or another equiva- lent spark plug ought to be used in Briggs & Strat- ton engines.
BATTERY (*)
Electrolyte in the battery is toxic and corrosive. It can cause serious corrosion damage etc. Avoid all contact with skin, eyes and clothing.
In normal use during the season, the battery is charged by the engine. If the engine cannot be started with the starter key, it may be because the battery is “dead”.
Remove the battery by releasing the battery assem- bly from the mower using a screwdriver (fig. 22). Connect the enclosed battery charger to the battery, and then connect the charger to a wall socket and charge for 24 hours (fig. 23).
After charging, connect the battery's contactor to the engine's contactor and reinstall the battery assembly (fig. 24).
Note! The battery charger must not be connected to the engine terminal. The engine cannot be started by using the charger as a source of power supply, and the charger will be damaged.
WINTER STORAGE
Remove the battery and store for the winter well- charged (see above) in a dry and cool place (be- tween 0° C and +15° C). At least once during the winter storage period the battery should be mainte-
Before the start of the season the battery should be charged once again for 24 hours.
ADJUSTING THE CLUTCH CABLE (*)
Engage the drive by pressing coupling clamp I against the steering handle. Should the machine not start mowing after having operated the clutch bracket, the cable needs adjusting. For cable ad- justment, see fig. 25.
CHANGING BLADES
Use protective gloves to prevent cuts when changing blades/knifeblades.
Check the blade system regularly. Pay special attention to the curved area be- hind the blade edge for signs of wear and tear (fig. 26). If the blade shows signs of damage, it should be replaced. A worn down blade creates imbalance and can damage the mower.
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