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4.2RUNNING-IN OF NEW LOADER
For a new loader, the running-in will play an important role in prolonging the service life of
the loader, eliminating hidden faults and avoiding the occurrence of serious fault. The user
shall carry out operation and maintenance in accordance with the provisions relating to
running-in of new loader as specified in this Manual after purchasing the loader, and then
the loader may be used normally.
4.2.1 REQUIREMENTS ON RUNNING-IN OF NEW LOADER
1. The running-in period for a new loader is 100 hours
2. After the engine is started up, make it run at idle speed for 5 minutes
3. During the running-in period, the forward gears I, II, III and IV and reverse gears I, II
and III shall be arranged for running-in respectively. When starting up the loader, the
accelerator pedal shall be pushed down smoothly and slightly, the speed shall then be
increased gradually, and violent braking shall be avoided.
4. During the running-in period, it is advised to work with bulk materials only, and the
traveling may not be carried out too violently. During the running-in period, the load on the
loader may not exceed 70% of the rated load.
5. Pay attention to the lubrication of the loader, and replace or add lubricating oil and
grease in accordance with the specified interval.
6. Pay attention to the temperature of gearbox, torque converter, front/rear axle, wheel
hub, parking brake, intermediate supporting shaft, hydraulic oil, engine coolant and
engine oil, and identify and eliminate the cause if overheating is found.
7. Inspect whether the bolts and nuts of all parts are properly tightened up.
4.2.2 OPERATIONS TO BE CARRIED OUT AFTER EIGHT HOURS OF
RUNNING-IN
1. Inspect the tightening of all bolts and nuts, especially diesel engine cylinder head bolts,
exhaust pipe bolts/nuts, front/rear axle fixing bolts, wheel rim nuts, transmission shaft
connecting bolts, diesel engine fixing bolts, gearbox fixing bolts and frame articulating
bolts.
2. Inspect the tension of generator belt and air belt.
3. Inspect the level of transmission oil, drive axle oil and engine oil.
4. Inspect the sealing property of hydraulic system and brake system.
5. Inspect the connection of each control handle and throttle lever.
