Before putting into operation, the tractor shall operate for a period of time under the specified lubrication,
speed and load conditions, and at the same time, necessary inspection, adjustment and maintenance shall be
carried out to normalize the technical state, which is called running-in.
3.16.1Preparations Prior to Running-in
During running-in, the technical maintenance per shift and 50h tractor technical maintenance shall be carried
out for the tractor (see 4. maintenance instructions of this Manual).
Check and tighten the external bolts, nuts and screws of the tractor.
Add grease to oil cups of front hub, front drive axle king pin and water pump shaft. Check the oil levels of
engine oil pan, drive system and lifter, central drive and final drive of front drive axle, and fill it as specified
in case of insufficiency.
Add enough fuel and coolant confirming to the grade.
Check whether the tire pressure is normal.
Check the electric circuit for proper and reliable connection.
Keep each control handle in the neutral position.
3.16.2 Running-in of Engine Idling
The idle running-in of the engine shall be performed for 15 min. After starting the engine in the order
specified in "Operation and Maintenance Manual of Diesel Engine", enable the engine to run for 5min
respectively from low speed (small throttle) to medium speed (middle throttle) and finally to high speed (big
throttle).
During idling running-in of the engine, carefully check the working conditions of the engine, air
compressor and hydraulic oil pump, observe whether there is any abnormality and sound, and check for water
leakage, oil leakage and air leakage. Check if the instrument is working properly. In case of any abnormality, it is
necessary to stop the engine immediately and carry out running-in again after troubleshooting.
Carry out the following running-in only when ensuring the engine works properly.
3.16.3 Running-in of Power Take-off Shaft
Put the engine throttle control handle in the middle throttle position to enable the engine to run at medium
speed. Make the power take-off shaft run at low speed and high speed for 5min respectively, and check for
abnormality. After running-in, the power take-off shaft must be in the neutral position.
3.16.4 Running-in of Hydraulic System
Start the engine, put the throttle in the middle throttle position, operate the distributor handle, and lift and
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