Hydraulic Filter 31728-40K00 for Nissan

Category: Nissan Filters

Product Description

The hydraulic filter 31728-40K00 is designed for use in Nissan forklifts. It plays a crucial role in maintaining the cleanliness and efficiency of the forklift's hydraulic system.

The primary function of this filter is to remove contaminants, such as dirt, debris, and metallic particles, from the hydraulic fluid. This prevents damage to critical hydraulic components like pumps, valves, and cylinders, ensuring smooth and reliable operation of the forklift.

This particular filter is designed to be compatible with various Nissan forklift models, including those in the CPCD30H-RW15A, J01/J02/1F2 series. 

Importance of Regular Replacement:

Like any filter, the hydraulic filter 31728-40K00 has a limited lifespan. Over time, it becomes clogged with contaminants, reducing its effectiveness. Regular replacement of the filter is essential to:

• Prevent costly repairs: Contaminated hydraulic fluid can lead to premature wear and tear of hydraulic components, resulting in expensive repairs and downtime.  

• Maintain optimal performance: A clean hydraulic system ensures smooth and efficient forklift operation, maximizing productivity.  

• Extend equipment life: By protecting critical components from damage, regular filter replacement helps prolong the overall lifespan of the forklift.

Product Specifications

Hydraulic Filter for Nissan

Features

• Filter Media: High-efficiency synthetic or cellulose media for high dirt-holding capacity and fine filtration (likely 10-40 micron range).

• Housing: Robust steel or polymer housing designed to withstand high pressure, temperature variations, and vibration.

• Seals: Nitrile rubber or equivalent seals to prevent leaks under extreme conditions.

• Filtration Efficiency: Removes contaminants to protect hydraulic components (specific Beta ratio unavailable).

• Flow Rate: Designed for sufficient hydraulic fluid flow within Nissan forklift systems.

• Pressure Drop: Minimizes pressure drop to maintain system efficiency.

• Collapse Pressure: Withstands high pressure to prevent housing failure.

Signs of a Faulty or Damaged Hydraulic Filter

• Reduced lifting/slower speeds: A clogged filter restricts fluid flow, impacting lifting performance.

• Jerky/erratic movements: Inconsistent fluid flow causes uneven hydraulic operation.

• Decreased overall performance: The forklift feels sluggish or less responsive.

• Unusual hydraulic noises: Whining, grinding, or rattling indicate system strain.

• Hydraulic fluid overheating: A clogged filter causes increased friction and heat.

• Fluid leaks around filter: Damaged seals or poor fitment cause leaks.

• Visible filter damage: Cracks, dents, or other damage compromise filter integrity.

• Contaminated hydraulic fluid: Fluid appears dirty or discolored due to poor filtration.

• Bypass valve activation: Unfiltered fluid circulates, requiring immediate attention.

• Warning lights/indicators: Dashboard signals indicate hydraulic system problems.

Recommended Use/Applications

• Nissan Forklift Hydraulics: Specifically designed for use in compatible Nissan forklift hydraulic systems.

• Specific Nissan Models: Compatible with models like CPCD30H-RW15A, J01, J02, and 1F2 series (verify compatibility).

Important Note: Not for use in other forklift brands or unrelated hydraulic systems.

Frequently Asked Questions

Why Is My Forklift Lifting Slower Than Usual, Even Though The Engine Seems Fine?

A common cause of slow lifting is a clogged hydraulic filter. The filter is designed to trap contaminants, but over time, it can become saturated, restricting the flow of hydraulic fluid. This reduced flow directly impacts the forklift's lifting speed and overall hydraulic performance. Replacing the hydraulic filter is often the solution.

I Hear A Whining Noise Coming From The Hydraulic Pump When I Try Lifting a Heavy Load. What Could Be The Problem?

A whining noise from the hydraulic pump can indicate several issues, including a clogged hydraulic filter. When the filter is restricted, the pump has to work harder to draw fluid, which can cause cavitation (formation of air bubbles in the fluid) and lead to the whining sound. It's crucial to check and replace the filter if necessary to prevent further damage to the pump.

I Noticed Some Hydraulic Fluid Leaking Around The Filter Housing. Is This A Serious Problem?

Yes, hydraulic fluid leaks are always a concern. A leak around the filter housing could be due to a damaged filter seal, a loose filter, or a problem with the housing itself. This not only leads to fluid loss but can also introduce contaminants into the hydraulic system. It's important to inspect the filter and housing, replace any damaged components, and ensure proper installation to prevent further leaks and potential damage.

How Often Should I Replace The Hydraulic Filter On My Forklift?

Typically, every 500-1000 hours, or as the manual specifies. Harsh environments require more frequent changes.

Can I Clean And Reuse A Hydraulic Filter To Save Money?

Not recommended. Cleaning rarely removes all particles and can damage the filter, risking damage to hydraulic components. Replacement is best.

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