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(8) Inspect the voltage regulator. Readjust it if necessary.
(9) Inspect the components and parts of the alternator and the starter, especially the blush and silicon
rectifier. Repair or change them if necessary.
(10) Check the grease in steering gear and renew it if necessary.
(11) After reassembling of the tractor, a short-time running-in is necessary to inspect the action of
every part.
6.5 Special Maintenance in Winter
Attention should be paid to the following items when atmospheric temperature is below 5°C
(1) Starting engine is forbidden if there is no water in the cooling system.
(2) The coolant temperature should not be below 60°C when the tractor begins to work.
(3) For long stay the water in the cooling system should be drained out (the water temperature should
be dropped down to 50~55°C before draining), so should the oil in the oil sump.
(4) Under extremely low atmospheric temperature anti freezing coolant with lower freezing point
should be used, which consists of 94% alcohol and water, the proportion of volume being 2.5
(alcohol):5.5(water).
(5) The tractor should stay inside room.
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