TRAPP LF-40G Manual De Instrucciones página 56

Attention!
Always keep the screw that secures the blade
tight. Loose blade may cause serious accidents.
How to sharpen the blade
Note:
Vibration is the result of an unbalanced
blade. A damaged blade may cause serious
accidents.
1. Sharpen the blade whenever you notice the cutting
line is worn, a well-sharpen blade results in good
quality of the grass after cutting;
In the first 5 hours
Exchange engine crankcase oil
O 
Every hours or daily
8
Check the oil level
O 
Clean all equipment, including the engine cooling system
O 
Review the screws and re-tighten, if necessary
O 
Every hours
25 or annually
Clean the air filter*
O 
Exchange engine crankcase oil (engine of 3.5 HP)
O 
Every hours
50 o annually
Exchange engine crankcase oil (engine of 6.5 HP)
O 
Check the muffler and spark arrester
O 
Annually
Replace the oil filter
O 
Replace the spark plug
O 
Replace the fuel filter
O 
Clean the air cooling system*
O 
* In very dusty places or when particles brought by the air are present, clean more frequently.
56
Periodic Maintenance Plan
2. Do not sharpen the blade while assembled on the
machine. Remove it according to the instructions
under "How to remove the cutting blade";
3. Clean the blade with a brush, soap and water.
Check for cracks, dents and other damages.
Replace the blade if it is worn, warped or
damaged;
4. Use a file to Sharpen the blade; make sure to
equally sharpen both sides;
5. Make sure the blade is balanced. Use a screwdriver
and keep the blade parallel to a horizontal plane,
as shown in Figure 7. A balanced blade will
remain parallel to the ground. If it is unbalanced,
the heavy side will turn to the ground. Sharpen the
heavy side until the blade is balanced.
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