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Excavator Hydraulic Oil Cooler – The Definitive FAQ Guide

This guide provides you with the information about the excavator hydraulic oil cooler for which you are looking.

This guide contains information on excavator hydraulic oil cooler, issues associated, maintenance procedures, and a lot more.

If you have any questions about the excavator hydraulic oil cooler, you will get the answer right below.

1.    Can an excavator hydraulic oil cooler be repaired?

Yes, an excavator hydraulic oil cooler can be repaired.

Of course, significant manufacturers recommend replacing any oil cooler damaged in any way because that would be the safest route.

However, you might not have to spend around $1500 on repair or replacement costs.

There is a slight chance that you could repair the cooler for under $300 for specific models of excavators.

Although it varies depending on the damage, you have got to your excavator hydraulic oil cooler.

If the warranty associated with your excavator hydraulic oil cooler still exists while the damage takes place, it is better to get it replaced by a manufacturer.

This will prevent you from spending extra costs on your excavator hydraulic oil cooler.

2.    What does an excavator hydraulic oil cooler do?

An excavator hydraulic oil cooler regulates the temperature of oil circulating on earth moving machines such as a bulldozer, backhoe, or excavator.

The more excellent is either mounted directly to the engine or to the transmission linked to it, depending on the make and model of the machine.

The hydraulic oil often carries extreme heat as it passes through the gears and into the hydraulics system.

To ensure efficient transmission in these machines, constant cleaning and cooling of the hydraulic oil are essential.

If the hydraulic oil flow becomes obstructed by overheating or contamination from metal particles, then the machine will not function properly.

By installing an excavator hydraulic oil cooler with the excavator, you can ensure clean and cool hydraulic oil for excellent functionality in all aspects of excavation.

3.    What are the most efficient excavator hydraulic oil coolers?

Several excavator hydraulic oil coolers are the best in efficiency.

Efficiency means how effective these hydraulic oil coolers are in cooling the oil circulating in the excavator engine.

Some of the famous and widely used excavator hydraulic oil coolers are as follows:

• 20C1803 Loader Radiator
• Hitachi 75 U high-quality hydraulic oil cooler
• Aluminum Brazed Excavator Hydraulic Oil Cooler
• Hyundai Excavator Hydraulic Oil Cooler
• R290LC7 Excavator Hydraulic Oil Cooler

You can choose anyone based on your needs and specifications. Each one has different material from which they are made and additional efficiency.

4.    How long should an excavator hydraulic oil cooler last?

It depends on the quality of the machine itself and on how the unit is used. An excellent hydraulic oil cooler can last up to 5,000 hours.

The lifetime of your excavator hydraulic oil cooler also depends on the maintenance procedure followed and how the damaged components are replaced.

A proper excavator hydraulic oil cooler should last one year, but some may have a shorter lifespan.

Others can last several more years. The length of their life depends on the user level.

If used for heavy-duty digging, a cooler will last less than if it is used in a moderate capacity unit. It also depends on the quality of the equipment.

The higher the quality, the longer the life of an oil cooler will last.

5.    How much does an excavator hydraulic oil cooler cost?

The cost of the excavator hydraulic oil cooler varies and depends on several factors.

These factors include the manufacturing material, weight associated with your hydraulic oil cooler, design specifications, model compatibility, and much more.

The cost of some of the excavator hydraulic oil coolers is as follows:

The price of a high-quality excavator hydraulic cooler lies in the range of $150 to $200 per piece.

The cost of an aluminum plate bar excavator hydraulic oil cooler lies in the range of $80 to $250 per piece.

The general concept is that you are going to increase the cost associated with the feature and the associated lifetime also increases.

6.    What should I look for when buying an excavator hydraulic oil cooler?

There are many types of excavator hydraulic oil coolers to choose from, and it can be confusing as to which one would be best for your needs.

Most oil coolers will be cast aluminum or a formed steel radiator with a heavy-duty fiberglass core, and the difference comes in the details between them.

Aluminum material has a characteristic to rapidly cool the hot oil because it is a great conductor of heat and electricity.

On the other hand, the conductivity of steel is far less as compared to aluminum.

Hydraulic oil coolers are essential pieces of equipment to have, not only to assure the longevity of your machine but also for safety. Look for one that is durable, built to last, and best suited for your machine.

7.    What are the leading causes of excavator hydraulic oil cooler failure?

The leading causes of oil cooler failure are: overheating the hydraulic oil under pressure.

And when the hydraulic oil is overheated, the high temperature and high pressure will cause the heat-insulating materials in the aluminum tubing to get destroyed to some extent and could lead to oil leakage.

In addition, lack of cooling system maintenance (such as cleaning and flushing) and overloading the cooler with a low-temperature oil are also common causes of failure.

More astonishing capacity and hose diameter are also essential factors that determine the life of your hydraulic oil cooler.

However, another cause of an overheating oil cooler is using the wrong type of oil cooler.

For example, suppose you have a D6D direct drive diesel engine powered (with a maximum horsepower of 295) and use an excavator oil cooler that is capable of holding six quarts. In that case, it will not do the job as it was not intended for this type of excavator.

8.    What are the components of the excavator hydraulic oil cooler?

Several components make up an excavator hydraulic oil cooler. These components include:

• Motor Mount in Excavator Hydraulic Oil Cooler
• Fan Guard in Excavator Hydraulic Oil Cooler
• Shroud in Excavator Hydraulic Oil Cooler
• Oil Cooler in Excavator Hydraulic Oil Cooler
• Surge Tank in Excavator Hydraulic Oil Cooler
• Radiator in Excavator Hydraulic Oil Cooler
• CAC in Excavator Hydraulic Oil Cooler
• Fan Cooling in Excavator Hydraulic Oil Cooler

Each component mentioned above has its specific function and feature, without which your excavator hydraulic oil cooler cannot work accordingly.

You must make sure while purchasing that each component is in its fine condition to facilitate your excavator working.

9.    Is it expensive to replace excavator hydraulic oil coolers?

If the hydraulic oil coolers used on excavators and backhoes are not appropriately maintained or serviced according to the manufacturer’s specifications, they will eventually fail.

The average life of a hydraulic cooler is between two and five years, depending upon the operating environment, fleet size, duty cycle, and equipment-specific maintenance schedules.

The cost to replace a failed hydraulic oil cooler is not much, but it has a great influence on your excavator’s performance.

If the extent of damage is too much, you will have a lot of expense on your excavator hydraulic oil cooler.

If the damage is more minor, the expense will be comparatively lower.

10.  Can I change an excavator hydraulic oil cooler without draining the system?

If you don’t have the option to drain the hydraulic oil system from an excavator, or you are simply looking for a faster way to swap out a leaking cooler, replacing the cooler without draining the system can be done.

It’s important to note that this isn’t an exact science. The amount of oil you lose may vary. While it’s not required, an oil change after the fact may save you some headaches.

However, if you have a top-mounted cooler, you must fully drain the system and remove the more relaxed one to install the new one.

Make sure you use an oil cooler made in either aluminum or copper/nickel material.

11.  What are the reasons an excavator hydraulic oil cooler gets clogged?

With the advancement of technology and increasing the power exciter, excavator oil coolers are also becoming increasingly important components.

Some of the most common reasons an excavator hydraulic oil cooler will become clogged are a single abrasive particle, sometimes as small as a grain of sand, being struck by the abrasive stream and inducing a micro-welding reaction that joins together multiple grains to form a solid lump of material.

The most common reason is dirt and debris that enters through the engine air intake.

A simple way to avoid this is to use an air cleaner, which can be added to the end of the machine’s air intake hose.

If you cannot clean these deposits timely and continue running, the more excellent will burn down due to the lack of cooling effect.

12.  What type of excavator hydraulic oil more excellent coolant should I use?

The best coolant not only keep the excavator hydraulic oil cool but also increase the functioning of your excavator engine.

There are several coolants in the market to choose from, but some of the best excavator hydraulic oil coolants are listed below:

• Zerex G – 05
• Recochem Pink Antifreeze Excavator Hydraulic Oil Coolant
• Pro-Line Extended Life Excavator Hydraulic Oil Coolant
• Zerex Original Green Antifreeze Excavator Hydraulic Oil Coolant
• Valvoline Max Life Antifreeze Excavator Hydraulic Oil Coolant
• Shell Zone Prediluted Antifreeze Excavator Hydraulic Oil Coolant
• Engine Ice Engine Coolant Excavator Hydraulic Oil Coolant
• Zerex Dex-Cool Excavator Hydraulic Oil Coolant

You can use any one of them depending on your budget and needs.

13.  How does an excavator hydraulic oil cooler work?

An excavator hydraulic oil cooler is a heat exchanger in which the heat is transferred between the high-temperature fluid and the coolant flowing through the pipes.

This process is carried out because of moving water due to density differences.

The primary purpose of an excavator hydraulic oil cooler is to avoid overload and overheat a hydraulic system, maintain the normal temperature of hydraulic fluid, ensure the normal work performance of hydraulic machines, and prolong the life cycle of hydraulic components.

The constructional structure of an excavator hydraulic oil cooler can be divided into four parts. They are the heating part, cooling part, connecting pipes, and frame.

14.  What is the role of thermostats in excavator hydraulic oil coolers?

A thermostat is a temperature-sensitive switch used to help regulate fluid flow to maintain the proper temperature.

In a hydraulic oil cooler, the thermostat helps regulate the flow of oil throughout the cooler by stopping and starting oil through various ports depending on temperature.

This ensures that the oil remains at the same average temperature over time even if external temperatures change and helps prolong the life of your excavator hydraulic cooler’s system.

The thermostat may act as a safety device. This is to prevent the oil from getting heated at a higher temperature than the manufacturer’s recommended.

15.  What are the benefits of an excavator hydraulic oil cooler?

There are several benefits associated with an excavator hydraulic oil cooler. Some of the main benefits are as follows.

An excavator hydraulic oil cooler will help convey warm hydraulic fluid to minimize the hydraulic system’s operating temperature and consequent heat radiation, thus prolonging its service life.

The excavator hydraulic oil cooler can also decrease the pressure pulsation of the hydraulic system, which means a prolong service life for the piston cylinder.

An excavator hydraulic oil cooler regulates the pressure and heat.

This process helps reuse the used oil, again and again, saving money and time without affecting your excavator’s performance.

16.  Why is my excavator hydraulic oil cooler producing noise?

When your excavator hydraulic oil cooler produces noise, it means that the cooling effect of oil is reduced, and the machine oil begins to heat up.

It is recommended when some strange sound, you must check your excavator hydraulic oil cooler first.

The oil filter for the cooler is not well done and causes oil leakage or pressure loss in the machine while running.

You need to change the oil filter, and if you want to solve this problem, there must be a leak!

The hydraulic pump is installed improperly, causing a shake or bending of the impeller shaft during running.

The cause of this phenomenon is mainly due to using a large-diameter pump.

17.  What do you mean by bleeding an excavator hydraulic oil cooler?

The issue of bleeding a hydraulic oil cooler is common amongst excavator operators, both professional and those just starting.

Bleeding an excavator hydraulic oil cooler is used to describe draining the small amount of air in the lines and engine.

There are two ways that you can bleed an excavator or construction equipment hydraulic oil cooler.

The first way is by filling all of the lines back up to the top with hydraulic oil (filling it to where it is overflowing).

Then close off all valves and shut off the engine, sometimes you must run it for a short time to drain all of the air out, but this will do most of your bleeding.

18.  What does excavator hydraulic oil cooler insulation mean?

The fan is crucial to the efficiency of an excavator hydraulic oil cooler.

The fluctuation of fluid and oil in the machine from when the engine stops to when it is fully running needs a churning effect. Without the fan, there would be no consistent flow of fluids to cool.

The fans of the oil cooler help expand the airflow through the cooler.

That helps cool down the hydraulic oil and prolongs its life.

Low noise and energy-saving features are common to hydraulic oil coolers with fans, making them a valuable addition to any machine.

The air volume and exhaust are almost proportional to the fan blade diameter and speed.

Accordingly, we see that the larger or higher working speed (rpm), the better cooling effect, but at high speed, the fan’s life will be shorter than average.

19.  What do you mean by vertical excavator hydraulic oil coolers?

Vertical excavator hydraulic oil coolers – fitted to the engine as an oil cooler, radiator, and type of machine.

This type of machine is equipped with an excavator hydraulic oil cooler, which can significantly improve working conditions during digging.

It is one of the essential hydraulic components composed of a vertical chamber and two tubes.

Vertical excavator oil cooler works by forcing air through the tubes and exiting through vents at the top of the more excellent, thus cooling the hydraulic oils as it returns to the machine.

It also contains baffles that support these tubes and support fins on the front and backside to assist in this process.

A vertical hydraulic oil cooler should be fitted with at least 3 or 4 hose fittings (depending upon machine requirements).

20.  How to clean your excavator hydraulic oil cooler?

Dilute some household ammonia in hot water and pour it into your electric excavator hydraulic oil cooler through the ports.

The chemical reaction will cause the oil to bubble and mix with the water.

If you have a round cooler (doughnut), the “S” port may be close enough to the center that you can insert a long, thin piece of PVC pipe through that opening.

You are responsible for maintaining one, and you probably know that they can operate at extremely high temperatures.

This is why it’s a good idea to take care of things like hydraulic oil coolers and radiators.

If you install, maintain, and take care of your cooling system with regularity, you make sure that it performs as needed during operation and that it keeps your machine in good condition.

21.  What are the maintenance requirements of an excavator hydraulic oil cooler?

An excavator hydraulic oil cooler is a significant part of an excavator as it cools your hydraulic oil.

And when the oil becomes too hot, there is a risk of damaging some other parts of your equipment.

That is why several maintenance requirements need to be done regularly.

Regular inspection of the excavator oil cooler is essential. And you can check whether it needs to change or repair before its works badly.

First, look at the air more incredible to see if there are some cracks around it. If there are some cracks on the outside of the air cooler, it should be replaced immediately.

If the air cooler has heavy corrosion, it should also be replaced immediately because it may damage others.

The coolant proportion is optimum or not, as it also intended operation.

22.  What are the signs that my excavator hydraulic oil cooler is terrible?

The signs of a bad oil cooler are that the temperature is too high, the hydraulic fluid will start to break down, and viscosity will increase.

This can cause damage to the seals, which can lead to leaks or more serious mechanical failures.

A lousy oil cooler can cause all sorts of other problems within your machine, from burning out your motor to melting things near it.

23.  What materials are used in the manufacturing of an excavator hydraulic oil cooler?

The material used in the construction of a hydraulic oil cooler varies based on its use. Most excavator oil coolers are manufactured using aluminum or steel.

Modern units used by new machines contain a combination of both materials.

Designed with aluminum material, this oil cooler is known for its strength and artistry.

24.  How did excavator hydraulic oil cooler valves work?

Excavator Hydraulic Oil Cooler A hydraulic system is usually identified because it utilizes a fluid under high pressure.

This high-pressure fluid is usually pumped from one location to another or relocated between the high and low parts of the machine used by the hydraulic system.

The movement of this high-pressure fluid is regulated through valving mechanisms to allow for controllable flow throughout the hydraulic system.

The flow of oil from the inlet port to the outlet port is interrupted by the Opening and Closing of a valve.

When open, hot oil will flow from the inlet port to the outlet port.

The closing of the valve interrupts the flow, causing hot oil to contact an externally mounted radiator, giving up some heat to ambient air by convection and to an internal surface of the cooler itself by conduction.