KNEGT 304G2, Operation Manual

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304G2
SERIES TRACTOR OPERATION MANUAL
60
5.2.2 50h maintenance
1. Engine: After 50 hours of light load working, the oil in the engine sump and
injection pump should be changed, at the same time, change the filter element;
clean the sump, the filter and the filter net with clean diesel.
2. Transmission system: After using for 50 hours, it will be needed to check the free
travel of the clutch pedal, and adjust it if necessary.
3. Accumulator: Check the accumulator of it’s electrical power, charge it if it is not
sufficient.
4. Use a press rod oil gun at these places: Left and right draft links, center link, tie rod
joints, steering cylinder shaft with pin hole.
5. Air Conditioning System: Check the connecting parts and hose, repair or fix the
parts when they are loose; check all the electrical connectors and wires, examine
and repair them if they are deviant.
5.2.3 100h maintenance
1. Engine
①
Change the oil in the sump, clean the filter strainer.
②
Change engine oil and diesel filter elements, and clean the cavity of filter.
③
Check the tension of fan belt, adjust it if loosed.
④
Check the level of injection pump, refill it if needed.
⑤
Clean the air filter and replace oil (Necessary to perform every time after
working in wet and muddy conditions).
2. Clutch: Check the free travel, adjust it if necessary.
5.2.4 250h maintenance
1. Transmission sysytem
：
Check the oil level of chassis, refill it if needed.
2. Front axle
：
Check the toe-in and the bearings of front axle (Two wheel drive),
adjust them is needed.
3. Accumulator: Smear Vaseline or calcic lubricant on the bolts of accumulator.
5.2.5 500h maintenance
1. Check the pressure and fogging quality of the engine oil pump, clean it if necessary.