> mechanical maintenance Category: Machine maintenance is divided according to
> its circumstances and causes of damage to the normal repairs and accident
> repairs, regular maintenance is divided into overhaul,
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repair, minor repairs.
1 overhaul: there is a comprehensive plan of restorative repair, the use of
machinery to repair overhaul interval after which most of the parts and even
some basic parts wear limit is reached, all aspects of the mechanical
properties decreased significantly. Therefore, we must conduct a comprehensive
and thorough repairs, check all the disintegration of each
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Road Maintenance Construction[/url] to repair or replace the overhaul does not
meet the requirements or exemptions parts, according to the technical
conditions overhaul reassembled substantially restore the original dynamic
performance, economic performance and machine rugged performance parts, full
restoration of machine condition. 2 in repair: Is the internal combustion
engine-powered machinery between overhauls, there are plans to carry out repair
balance. The new machine or mechanical overhauled, after a certain period of
time, some assembly wear faster, some slower assembly wear, this unbalanced
state of the art, so that machinery can not work properly coordinated.
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overhaul of each of the other three assemblies were fully eliminate all
maintenance and fault detection in order to adjust the imbalance between the
various assembly and restore normal operating state machinery, as much as
possible to extend the time between overhauls. 3 minor repairs: sporadic
unplanned maintenance repairs. It is based on the machine to determine the
status of a provisional assembly of parts or a replacement or repair, to
eliminate the temporary failure or partial damage occurring in the use of
mechanical, mechanical recovery normal operating conditions. Minor repairs
generally only replacement of wearing
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to prevent mechanical damage accidents play an important role and should be
carried out in conjunction with the maintenance. More elaborated Road Machinery
maintenance contents, below Road Machinery maintenance work to talk about the
actual content. Road Machinery maintenance job content of
Job content mechanical maintenance is mainly cleaning, tightening, adjustment,
lubrication, corrosion, called "Cross job." This is based on the variation of
the mechanical state of
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after years of practice and lessons learned. In addition, inspection, and
refresh content and other auxiliary operations.
1. Cleaning machinery at work, would inevitably lead to mechanical and
various internal and external systems, various parts of the dirt, some key
parts of the machinery dirt will not work properly. Therefore, the cleaning
operation is not only to keep the machine clean and tidy sanitation needs, more
important is the need to ensure the safety and proper functioning of the
machinery.
2. The role of clean air cleaner air cleaner main filter air entering the
cylinder in the dust. Air cleaner at work, along with increased levels of dirt,
declining filtration efficiency, increase filtration resistance, resulting in
increased engine wear and power
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it must be cleaned.
3\. Oil filter clean oil during use, inevitably worn metal shavings, dust,
and combustion products contaminated with impurities. Meanwhile, heat the oil
itself due to the oxidation will produce acidic substances and gum deposits,
which makes the filter surface more and more dirty, filtration resistance
increases, the oil pressure drop, reducing the amount of circulation,
insufficient oil supply can not be guaranteed engine functioning and
accelerated wear. Therefore, the oil filter must be cleaned to restore its
normal work.
