A fluid that is too thick when cold will result in slow valve response and sluggish blade movement, while a fluid that is too thin when hot will lose lubricity and film strength, leading to increased internal wear and inefficient power transfer. Look for fluids labeled with a high viscosity index (VI), which indicates the oil maintains its thickness across a wide temperature range.
Preventing Sluggish Blade Movement by Choosing the Right Hydraulic Oil
This constant barrage requires a fluid specifically engineered to handle thermal stress, water contamination, and the high shock loads generated when the blade impacts an immovable object like a curb or frozen ridge. The system must perform reliably at temperatures that can swing from negative 20 degrees Fahrenheit during a snowstorm to well over 100 degrees Fahrenheit under the hood during transport.
Anti-wear additives create a protective layer on metal surfaces, guarding against the galling and scoring that occurs under high pressure. Furthermore, plows are frequently exposed to water and melting slush, which can emulsify into the hydraulic fluid if the system is not properly sealed or maintained.
Fixing Sluggish Blade Movement by Choosing the Right Hydraulic Oil
Furthermore, rust and oxidation inhibitors are crucial to neutralizing the acidic byproducts that form when fluid degrades under heat and water contamination, thereby protecting pumps and valves from internal pitting and damage. Understanding the Demands of Snow Plow Hydraulics The operational environment for a snow plow hydraulic system is exceptionally harsh, pushing fluids to their limits in ways typical construction equipment rarely encounters.
More About Hydraulic oil for snow plows
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