TRAPP MB 51E Manual De Instrucciones página 62

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 2 times a year or every 25 hours;
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;
In the first 5 hours
Change crankcase oil*
O 
After every 5 hours or daily
Check the oil level
O 
General cleaning of equipment
O 
Every hours
25
Change crankcase oil*
O 
Clean the pre-purifier**
O 
Every 100 hours or annually
Change the engine oil
O 
Check the muffler and spark arrester
O 
Replace the oil filter
O 
Replace the pre-purifier
O 
Replace the fuel filter
O 
Clean the air cooling system**
O 
Remember, the equipment must be switched off and sparkling plug cable for any maintenance.
* In very dusty places or when particles brought by the air are present, clean more frequently.
** For of 3.5 HP, 5 HP and 3.75 HP motors, the oil must be changed. For 6.0 HP motor, oil level should be checked
and completed if necessary.
62
Periodic Maintenance Plan
or annually
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 8. 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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