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Reasons for warming up the machine before using a crushing hammer
Shenjia Hydraulic
Release time:
2023-08-08
In the equipment usage management regulations, operators are required to preheat and warm up the hammer before formal crushing, especially during winter construction, which is more stringent. But many construction workers believe that this step is cumbersome, time-consuming, and can still be used without the need for it. Often, it is precisely because of the neglect of this work that the crushing hammer equipment suffers serious wear and tear or even malfunctions. Here, let's take a look at the necessity of warming up before use.
In the equipment usage management regulations, operators are required to preheat and warm up the hammer before formal crushing, especially during winter construction, which is more stringent. But many construction workers believe that this step is cumbersome, time-consuming, and can still be used without the need for it. Often, it is precisely because of the neglect of this work that the crushing hammer equipment suffers serious wear and tear or even malfunctions. Here, let's take a look at the necessity of warming up before use.
This is determined by the characteristics of the equipment itself. The crushing hammer has a high impact force and a fast frequency, which is much faster than other hammers to wear and seal components. Preheating and warming up the engine allows various parts of the body to slowly and evenly heat up to normal operating temperature, which can slow down the process of oil seal wear.
When hydraulic oil is in a static state, it adheres to the piston and oil seal as a solid film. The breaking hammer warms up the machine by allowing the wet hydraulic oil to wash away the relatively solid hydraulic oil film, establishing a new hydraulic oil film to support the oil seal and ensure that the piston and oil seal will not be damaged by pulling in the initial stage.
When starting work, it is in a cold state. Suddenly, hot oil expands and contracts, which can cause significant damage to the oil seal. Coupled with fast frequency movement, it is more likely to cause oil leakage and frequent oil seal replacement. So using a hammer to warm up the engine is more beneficial than harmful for both customers and us.
Warming up program: Place the crushing hammer vertically off the ground, step on the foot valve for about 1/3 of the stroke, and see a slight shaking of the main oil inlet pipe (near the oil pipe on the side of the cab). Maintain the foot stroke for about 20-40 minutes.
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