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Grinding-in new machine
New machine grinding-in is to running-in the each and every part well, to ensure the backhoe
loader work reliably and prolong its lift span. During the period of grinding-in, please operate
and maintain the machine according to the following instructions.
1.
Empty commissioning running (around 8h)
1.1
Idle running the engine 120min, first, run on low speed30min,then gradually accelerate
to 50% of maximum speed, then run for 90min.
1.2
Grinding-in of the hydraulic system of the working devices for30min, do the following
movements for at least 20 times, bucket, boom, arm movements up and down.
1.3
Drive the machine without load from low speed to high speed. Steer off the machine
smoothly and brake slowly and softly.
1.4
The maximum speed of engine should not exceed the 80% of the rated speed when the
machine is grinding-in.
1.5
The following inspections should be carried after the 8 hours grinding-in.
1.5.1
Check if there is some noise or over-heated of each transmission parts.
1.5.2
Check the tightness of air fan belt
1.5.3
Check the oil level of transmission box
1.5.4
Check the tightness of oil pipes of hydraulic system and braking system
1.5.5
Check the connection fixed situation of joysticks and accelerator
1.5.6
Check the connection of electric system, alternator situation, lamps and each meter.
1.5.7
Check the working situation of vehicle braking, packing brake and steering system.
2.
Working running-in (around 20hours)
2.1
Operating the machine properly to gradually increase the load capacity.
2.2
The loading can not exceed 80% of rated loading capacity
3.
after new machine grinding-in
3.1
Find problems, clear troubles.
3.2
Check thoroughly the situation of each parts, clean the oil filter
3.3
Overall check the tightness of each bolt, nuts.
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