504G3 SERIES TRACTOR OPERATION MANUAL
27
Chapter3Runninginofthetractor
In order to prolong the service life of tractors, it is essential to break-in a new tractor or
the engine after a major overhaul, before putting it into service. Breaking-in improves
all of the fittings and contact surfaces in order to avoid premature failures.
3.1 Preparation before Running-in of the tractor
1. Please check and tighten the outside screws.
2. Add grease into all the grease fittings.
3. Check the oil lever of engine, gearbox and rear axle, final transmissions, front wheel
drive axle, steering oil tank and hydraulic system. If it is not enough, then supply
again.
4. Fill some fuel and cooling water.
5. Check air pressure of the the tires.
6. Check proportion and height of battery electrolyte.
7. Put Shuttle shift lever, range shift lever and gear shift lever on “netural”
position.Disengage the 4WD. Switch off the PTO switch.
3.2 Running-in the engine without load
Running-in engine for 15 minutes without load.Start the engine in accordance with the
procedure specified in the Instruction Manual, let the engine running-in 7 minutes in
hight speed, 5minutes in mid speed, 3 minutes in high speed.
During the running-in of engine without load, should carefully check the work condition
of engine, air compressor and hydraulic pump.Observe if have abnormality, noise and
check leakages of water, oil and air. If the meters work abnormally, should stop and
remedy the trouble to restart running-in when find abnormality.
Running-in as below when you confirm the engine working is abnormal.
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