How to operate and maintance the scarifier correctly
1, The machine must be operated by professionals, The cutters should be away from the floor before starting
the engine by adjusting the handwheel, after the engine run in normal, then slowly adjust the height of the
milling cutter to the working height, finally push the machine forward. Don't push too fast in order to prevent
the cutters broken, cleaning the machine up after using.
2, the most important parts of the machine are cutters, bearings, gaskets, milling drum, due to the long time
friction with the road when working, these are the fastest wear down parts, so regular replacement and
checking can make the machine longer life.
3, the cutter shaft should be checked daily if the grinding trough on the shaft is more than 25%, the shaft will
have to be replaced.In general, the shaft life is half life of the tungsten steel milling cutter.From the square area,
when the milling depth is 5mm the shaft can last about 350to500 square meters.But please do note that many
factors will affect the life of knife shaft, so daily checks is necessary;
4, for safety reasons, before carrying out maintenance, disconnect the spark plug the engine should be better
to carried out by a qualified mechanic;
5, check the oil level before each run, clean the air filter after using;
6, After using each 4 hours, the bearing should be greased. rotate milling drum while greasing, so that the
bearing grease applied to the whole;
7, Before every operating, the machine should be inspected with the naked eye: did all fasteners are tightened?Whether there is significant parts wear or cracking?Oil supply is intact?Check the bearings, check whether each shield is covered, etc.;
8, Before each operation, check the belt tightness. New belts should be readjusted the tightness after 4 hours
running, we must keep maintaining the proper belt tension, then the output of the engine horsepower can be
sent to the cutter drum, when the belt is too tight will be easy to wear, and will shorten bearing life, if there are
marks or serious worn, the belt should be changed a new one immediately;
9,General speaking, milling cutter cracking is very rare, if any occur, this usually indicates the following conditions:
a: the milling cutter on the drum arrangement is irregular; b: milling too deep; c: inappropriate using of milling cutter
to remove different types of road; d: the intensity of the milling surface is too large;
10, When changing the rank of the cutter each time, check the cutter shaft and bearings.If there is worn slot
on the shaft, you need to replace the new shaft and change the bearings at the same time,
11, if the milling drum is properly maintained, usually it can be used for 3 months.when changing the milling cutter
or doing maintenance, inspecting if the central axis of the milling drum have cracks, the shaft sleeve had changed
into an oval, any cracks around the welds, if you find any damage, replace the new drum;
12 Finally, when you want to check the milling drum at the bottom of the machine, please pay attention to that:
The machine must be overturned forward, never turn backwards, otherwise the oil will flow backward into the
engine cylinder.
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