GEARBOX MA45W/GS4 made in China CNBM CMAX

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GEARBOX MA45W/GS4 made in China CNBM CMAX

MA45W/GS4 series of swing reducer is composed of swash plate operated piston motor and secondary planetary reducer. The motor covers safety relief valve, oil compensating valve, anti-reversing valve and internal mechanic parking brake. With security and good performance, it is mainly used in swing driving device of 8-10 hydraulic excavators.

Parameters

Displacement45mL/min
Pressure24MPa
Speed ratio20
Output torque4kN·m

Auxiliary return structure with cone cylinder pressing plate is adopted, which is featured with compact structure, high power-weight ratio and strong anti-pollution ability etc. The integrated design of the control valve realized the control function such as constant power, pressure cut-off, constant pressure, constant flow and load sensitive etc.

Rated Revolving speed2350/rmin
Pressure rating35Mpa
Displacement95mL/r

Specifications

1. CE certification
2. ISO9001:2000
3. Brass impeller, carbon steel motor shaft, with thermal protecton inside.


GEARBOX MA45W/GS4 made in China CNBM CMAX

GEARBOX MA45W/GS4 made in China CNBM CMAX



 

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Q:What is the cause of engine oil alarm?
Oil lamp alarm reason::1, the amount of oil is insufficient, so that the pump oil pump volume reduced, or because of air into the pump does not oil, resulting in lower oil pressure;2, the engine temperature is too high, easy to make oil thinning, from a large gap in the gap between the resulting oil pressure drop;3, when the oil pump parts damage or wear, assembly and other problems arise when the gap is too large, will cause the oil pump out of oil or the failure of the oil shortage;4, the crankshaft and large, small tile gap between the improper, too tight will make the oil pressure rise, too loose will make the oil pressure lower;5, the oil filter and oil suction disc plug will also reduce the oil pressure;6, the oil return valve damage or failure: if the main oil return valve spring fatigue softening or improper adjustment, the valve seat and the ball with the surface wear or dirt stuck and closed, the oil return amount will increase obviously, oil pressure of the main oil channel also decreased;7, improper selection of oil: if you use the wrong or improper selection of grades, the engine will run when the oil viscosity is too low and increase the leakage, thereby reducing the oil pressure;8, the oil pipe in the oil leakage, plug phenomenon.Only normal oil pressure can ensure that the oil is sent to all the friction parts of the engine, too high or too low will affect the normal operation of the engine, and even cause damage to engine parts. So, when the alarm lamp should be immediately shut down to find out the reasons, troubleshooting before it can continue to work.
Q:The function of the oil pump screen is troublesome
Hello, just filter the oil and the dirt in it
Q:What about the oil quality of automobile engine oil pump?
Take the pressure gauge to measure the pressure
Q:The oil pump is greased by hand, so why not oil it on the truck?
This situation may be the engine oil pressure relief phenomenon inside, check that there is a problem, repair it
Q:What's wrong with the car oil pump?
Pull in the water or burn the oil
Q:Motor home, in which case, the oil pump will not be able to pump oil
A lot of reasons, the oil pump damage, lack of oil, filter plugging, oil bottom touch, suppression, etc., will not get up because of oil.
Q:Questions about the old Chery, the oil pump and the engine
You can go to the 4S shop to find out what's wrong and then go out and fix it
Q:Single cylinder diesel engine crank bearing lock replacement, cause oil pump wear, replacement
The cause of this phenomenon is the severe wear of the crankshaft journal or the smooth failure of the crankshaft journal! You don't know what type of diesel engine, if the oil channel Changchai ZS1110 and 1115 double rolling type words to check the main bearing cap is worn, because the main bearing cap of oil on the road directly to the crankshaft oil supply, after the formation of wear caused by leakage of lubricating oil pressure machine high temperature, bad to smoke. Troubleshooting: check crankshaft and bearing cap for serious wear and tear. Replace if necessary.
Q:Does the abnormal sound of Audi Q5 oil pump need replacing?
If it is determined that the abnormal sound of the oil pump is to be replaced!
Q:Does the noise come from the oil pump or the valve stem?
For car abnormal sound problems, sound judgment is very critical, as to what sound, in the end what reason, in the end is not serious, this must be on-site listening to the conclusion. From the expression of the problem, the abnormal sound from the engine below, it is easy to handle, open the cylinder bottom groove at a glance, here are what will rotate with the ring, open the check will know, but certainly not unrelated to start preheating and winter.

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