19
Chapter
Ⅲ
Technical Maintenance of the Tractor
In order to keep the tractor in excellent condition, prolong its service life and reduce
troubles, the users must often check the technical conditions of the tractor and strictly carry
out technical maintenance of all classes.
Table 3-1 Technical Maintenance Periodic Table
In actual use, users can add and perfect the contents and methods of maintenance
according to concrete conditions.
1. Shift maintenance
1) Clean dirt and sludge on the tractor and implements. Under the extremely dusty
circumstances, the air filter should be cleaned.
2) Check all main fastening bolts and nuts on the tractor outside, especially whether
front and rear wheel nuts are loose, tighten if necessary.
3) Examine the liquid level in oil sump, radiator, fuel tank and lifter; refill if necessary.
Only after the engine has stopped for more than 15 minutes can the oil lever in oil sump be
examined.
4) Check whether there is leakage of oil, water and air; remove if necessary.
5) Check the tire pressure, and inflate if necessary.
6) Grease the points according to the table 2-1. Before greasing, the sludge and water
should be squeezed from the lubricating points.
7) Check the specified tools supplied.
2. First class maintenance
Carry out the following maintenance after every 50 hours of operation:
1) Carry out the maintenance items in shift maintenance.
2) Clean air filter, and replace oil in the filter house.
3) Check the fan belt tension (When pressing the middle part of the longer side of the
belt, the belt drops about 15-25 mm under the force of about 10N, then the tension is
suitable), adjust if necessary.
4) Check and adjust the free travels of clutch pedal and brake pedals.
Maintenance class Working hours of the tractor (h)
Shift maintenance After every shift or every 10-12 hours of operation
First class maintenance Every 50 hours of operation
Second class maintenance Every 250 hours of operation
Third class maintenance Every 500 hours of operation
Fourth class maintenance Every 1000 hours of operation
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