Operations Manual
English – 17
MAINTENANCE
Air cleaner
• Wash the urethane foam filter (1) with detergent. Allow the
filter to dry.
• Clean the paper element (2) by tapping gently to remove
dirt and blow off dust.
Spark plug
• Ensure that the spark plug cap and ignition lead are
undamaged to avoid the risk of electric shock.
• Clean off carbon deposits on the spark plug electrode
using a plug cleaner or wire brush.
Fuel cup
• Inspect fuel cup for water and dirt.
• To remove water and dirt, close the fuel tap and remove
the fuel cup.
• After removing dirt and water, wash the fuel cup with
kerosene or gasoline.
• Reinstall securely to prevent leakage.
Check
General inspection
• Check that nuts and screws are tight.
• Check for fuel and oil leakage.
Skid plate
• Check for damage and excessive wear in the blade slot.
• Check for burrs on the concrete surface side and twisting.
• Install a new skid plate with each new blade. Never re-use
skid plates.
• Lift the front and rear of the skid plate to ensure the blade
slides freely through the skid plate.
Oil level
• Turn off the engine.
• Lower the machine and make sure the engine is in level.
• Remove the oil cap and wipe the dipstick clean.
• Check the oil level. Do not screw the oil dipstick into the oil
filler neck to check the oil level.
• If the oil level is low, fill using engine oil up to the upper
level on the dipstick. See instructions in section ”Technical
data” for oil specification.
• Screw on the oil filler cap.
Drive belt
• Check that drive belt is not damaged and is not visibly
defective.
• The belt tension is controlled by belt tensioner and does
not require adjustment.
• Inspect the belt tensioner for free movement up and down.
• Ensure the belt tensioner bearings roll freely.
Blade shaft bearings
• Lubricate the blade shaft bearings with 3 pumps of Lithium
12 based grease.
Spark plug and electrode gap
• See cleaning instructions under the heading ”Cleaning”.
• Check electrode gap. The gap should be 0.6 mm to 0.7
mm (0.02 inch.-0.03 inch).
• Adjust the gap, if necessary, by carefully bending the side
electrode.
1
2
0,6-0,7 mm
(0.02-0.03”)