21
hours under a light load, and when the engine is still warm, drain all engine oil in the crankcase of the diesel
engine. Fill the engine with engine oil and run it for 4 hours for running in, then the machine can be used for
normal farming.
ii Technical maintenance of mini tiller
1. Maintenance per shift (before and after each shift of work)
①
Listen and watch to check if there is any abnormal phenomenon like abnormal noise, overheating,
loose bolts, etc.
②
Check if there is any oil leakage from the engine and transmission box.
③
Check if oil levels of the engine and transmission box are between the upper and lower marks of
their oil level indicators.
④
Timely remove dirt, grime, weeds and oil stains on the whole machine and its accessories.
⑤
Keep the farming record.
2. First-level maintenance (every 150 hours of work)
①
Conduct all items of maintenance for each shift.
②
Clean transmission box, and change engine oil.
③
Check, test and adjust clutch, gear shift system and reverse gear system.
3. Second-level maintenance (every 800 hours of work)
①
Conduct all items of the maintenance for every 150 hours of work.
②
Check all gears and bearings, if any of them is severely worn, replace it.
③
If any of the mini tiller’s other parts and components, such as any tilling blade or bolt, is damaged,
please replace it.
4. Technical check and repair (every 1,500-2,000 hours of work)
①
Disassemble the whole machine at a local authorized service shop to clean and check it, and if any of
the parts and components is severely worn, replace it or repair it if it is appropriate to do so.