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7) Check and adjust the meshing backlash and print of the main drive bevel gears, the
bearing clearance and preload of the bevel gears.
8) Clean the oil filter in the hydraulic lifting system, replace the oil in the system with
fresh oil.
9) Clean steering gear, replace the lubricating oil in it.
10) After the maintenance has been done, run the maintained tractor for a short time
for trial to see whether every part is in normal condition.
6. Maintenance in winter
℃
While the tractor is used below 5 , the users should carry out special maintenance on
the tractor. Besides completing the every shift maintenance, the following regulations should
also be obeyed.
1) The engine is not allowed to be started if there is no water in the cooling system. Hot
℃
water of 60-80 can be poured into the radiator for easy starting the engine.
2) After cold starting, the engine should be preheated for a period of time; operation
℃
can not be conducted until the water temperature is above 60 .
3) If the tractor will stop for a long time after operation, the water (without anti- icing
fluid in it ) in the cooling system should be drained out. Water temperature of draining out is
℃
50-55 .
4) Choose fuel and lubricating oil according to air temperature or season.
5) In cold season, in order to start the engine easily, the tractor can be stored in a warm
storehouse.
7. Maintenance for storage of a long period
The tractor for storage of a long period should be fully examined on its technical
condition; the tractor whose technical condition is perfectly normal can be put into the
storehouse.
1) Store the tractor in dry storehouse; support the front and rear wheels off the ground
with wood pieces. If storing in the open air for limited condition, cover the tractor with tarp
and dig drains around the tractor. The place for storing should be far away from fire (kitchen
house, oil depot and etc.)
2). Clean the outside of the tractor and lubricate each lubrication point with grease
according to table 2-1.
3). Drain out the cooling water, dismount the battery for storage and cover the exhaust
manifold mouth well.
4). Start the engine to run for 20 minutes every three months to see whether the tractor is in
normal condition.
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