Preventive Maintenance of Brush Cutter/Back Pack lawn Mower.

Some tips on Preventive Maintenance of Brush Cutter/Back Pack lawn Mower. (sent by Anil Ratnayake)

• Always Mix 2T Oil - 250 ml in 5 litres Petrol. (50 ml / liter)          
• After work is over for the day - DO NOT use stop switch because 2T oil will condense in the engine and cause Damage when re starting. ALWAYS shut off petrol while the engine is running.               
• Wash inside of shaft well with kerosene oil every 50 hrs.               
• Grease drive cable in shaft every 50 hrs of use            
• Oil Gear Head every 50 hrs of use (remove blade and pour oil)          
• Knocking blade on stones damages gear head at the end of the shaft               
• Sharpen long twin rotor blade with file daily as soon as work is over    
• DO NOT USE CHOKE when starting warm engine.

Troubleshooting
Shaft Vibration: Check if blade has been properly installed and tightened.
Idle Speed: If blade keeps turning/rotating at idling speed, turn the idle adjusting screw counterclockwise.


 

Gear Head

Idle Speed Adjustment