Maintenance Instructions
(6) Check and adjust the engine valve clearance.
(7) Check and adjust the fuel injection pressure of the fuel injection pump.
(8) Clean the fuel tank and the filter in the fuel tank.
(9) Maintain the diesel engine according to the requirements of "Level Ⅳ technical maintenance" in the
Operation Manual of Diesel Engine.
5.1.6 Technical Maintenance Every 1600h
(1) Complete all procedures of technical maintenance every 800h.
(2) Disassemble the engine and motor, clean the lubrication grease in the bearing and replace it with new one.
(3) Replace the lubrication oil of central and final transmission of front drive axle.
(4) Immerse the clutch front bearing and release bearing in melted high temperature resistant lubrication
grease, and add lubricant grease.
(5) Check whether the clearance and contact mark of the central transmission gear are normal, check the
clearance and pre-tightening of the bearing, and make adjustments if necessary.
(6) After maintenance, assemble the machine for short-term test run, and check and adjust the working
conditions of each mechanism.
5.1.7 Special Technical Maintenance in Winter
When the temperature is lower than 5°C, except for the "technical maintenance per shift", the following
regulations should also be strictly observed:
(1) For starting the engine easily, the cooling system can be filled with (60 ~ 80) °C hot water.
(2) After starting, the cold engine should be preheated for a period of time before operation.
(3) After operation of the tractor, if the parking time is long, the cooling water in the engine cooling system
should be drained.
(4) Choose fuel and lubrication oil according to season or air temperature.
(5) To ensure the easy start of the tractor and engine, it is recommended to park the tractor in the hangar or
hangar with heat preservation in cold season.
5.1.8 Maintenance of Tractor for Long-term Storage
If the tractor is stored for less than one month and the engine oil is replaced for less than 100h, no special
protective measures are needed. If the tractor is stored for more than one month, special technical maintenance
must be carried out. See "5 Storage" in this manual for details.
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