1. Daily maintenance (Before work and after work in each day)
A. Listen and observe whether there is abnormal phenomenon of each part.
    (such as abnormal sound, overheat and bolt looseness).
B. Check whether there is oil leakage in the gasoline engine and transmission case.
C. Check whether the oil level of gasoline engine and transmission case are between
     the upper and lower line of the oil level indicator.
D. Clean in time the dirt, weeds and oil stain on the power tiller and its parts.
E. Fill in the tilling records.

2. First-class maintenance (working for every 150 hours)
A. Do all the work of daily maintenance.
B. Clean the transmission box and replace engine oil.
C. Check and adjust the clutch, gear shifting system and reverse gear system.

3. Second-class maintenance (working for every 800 hours)
A. Do all the work of first-class maintenance.
B. Check all the gears and bearings, and replace new ones if they are seriously worn.
C. If other parts of the power tiller such as rotary tilling blade or connecting bolt are
     damaged, please replace new ones.

4. Technical maintenance (working for every 1500-2000 hours)
A. Disassemble the whole machine, clean and check it in the local authorized service
    station. For the parts that are severely worn, they must be replaced or repaired
    where appropriate.
B. Ask the professional maintenance staff to check friction plate and clutch.

5. For the maintenance of gasoline engine, please undertake according to its
    instruction manual.