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- Ingersoll Rand
- 47667846001 47638842001
- Air Filter Main Core
- USA
- 330 × 180 × 180 mm
- 2.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47667846001 47638842001 Air Filter Main Core is a replacement air filtration component used in compatible Ingersoll Rand compressor systems. It forms part of the compressor intake-air path, where incoming air must be filtered before entering the compression system.
During compressor operation, ambient air can carry dust, dirt, and other airborne particles. If these contaminants enter the compressor without adequate filtration, they can accumulate on internal components and affect the condition of the air-handling and compression system. The main filter core provides the primary filtration stage for the incoming air.
The 47638842001 air filter main core is suitable for scheduled compressor maintenance and replacement of a used or contaminated filter element. Regular inspection and timely replacement help maintain the intended airflow and filtration performance of the compressor intake system.
As an intake filtration component, the main core works upstream of the compressor rather than within the lubricant circuit. Its condition can therefore influence the quality of air entering the machine and should be considered together with intake restriction, filter housing condition, and the overall compressor maintenance schedule.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 47667846001 |
| Product Number | 47638842001 |
| Product Type | Air Filter Main Core |
| Primary Function | Compressor intake-air filtration |
| System Role | Intake filtration |
| Typical Application | Ingersoll Rand industrial air compressors |
| Dimensions | 330 × 180 × 180 mm |
| Weight | 2.5 kg |
Product Features
- Main air filter core for compatible Ingersoll Rand compressor systems
- Provides primary filtration for incoming compressor intake air
- Helps retain airborne dust and particulate contamination
- Supports routine compressor preventive maintenance
- Suitable for replacement of a loaded or service-worn filter element
- Helps protect downstream compressor components from intake contamination
- Supports proper airflow through the compressor intake system
- Suitable for scheduled filter inspection and replacement
Working Principle
The 47638842001 air filter main core operates by filtering ambient air before it enters the compressor. Air drawn through the intake system passes through the filter media, where airborne particles are retained while filtered air continues toward the compressor.
Ambient Air → Air Filter Main Core → Filtered Intake Air → Compressor Air-End → Compressed-Air System
As the filter accumulates dust and other contaminants, the available airflow path can gradually become more restricted. The condition of the filter therefore affects both filtration and intake airflow.
A properly maintained filter allows the compressor to receive appropriately filtered intake air while limiting the amount of particulate contamination entering the air-end. The filter itself does not compress air or control compressor operation; those functions remain with the compressor’s mechanical and control systems.
Role in an Ingersoll Rand Compressor Air Intake Architecture
The 47638842001 main filter core is located at the intake-air filtration stage of the compressor system. It works ahead of the compressor air-end and protects the downstream air-handling path from airborne contamination.
Ambient Air → 47638842001 Air Filter Main Core → Intake System → Compressor Air-End → Air/Oil Separation → Compressed-Air Outlet
| System Element | Function |
|---|---|
| Ambient Air | Provides the incoming air supply |
| 47638842001 Air Filter Main Core | Filters particulate contamination from intake air |
| Filter Housing | Supports and contains the filter element |
| Intake Ducting | Transfers filtered air toward the compressor |
| Compressor Air-End | Compresses the incoming air |
| Air/Oil Separator | Separates oil from compressed air in applicable compressor systems |
| Compressor Controller | Monitors and controls compressor operating functions |
The filter is therefore an upstream protection component. Maintaining its condition helps support the air-end and the wider compressed-air process.
Industrial Applications
| Application | Typical Use |
|---|---|
| Screw Compressor Maintenance | Replacement of primary intake air filter cores |
| Industrial Air Compression | Filtration of ambient air entering the compressor |
| Manufacturing Plants | Maintaining compressor intake-air cleanliness |
| Process Industries | Preventing airborne contaminants from entering compressor systems |
| Plant Utility Systems | Routine air filter replacement on compressed-air equipment |
| Preventive Maintenance | Scheduled inspection and replacement of intake filters |
| Compressor Overhaul | Renewal of intake filtration components during servicing |
Installation and Maintenance
- Confirm that 47638842001 is the correct main air filter core for the compressor being serviced.
- Shut down and isolate the compressor before beginning filter replacement.
- Allow the intake system to reach a safe maintenance condition before opening the filter housing.
- Clean the area around the filter housing before removing the existing filter.
- Inspect the removed filter for excessive dust loading, deformation, moisture, or other abnormal conditions.
- Check the filter housing and sealing surfaces for dirt, damage, or deterioration.
- Install the replacement filter in the correct orientation and position.
- Ensure the filter seats correctly and the housing is properly closed.
- Check that no unfiltered air path exists around the installed filter element.
- Inspect intake ducting and connections for loose joints or damage before restarting the compressor.
- Start the compressor under controlled conditions and monitor intake-related operating indications where available.
- Record the filter replacement and any abnormal contamination findings in the compressor maintenance history.
Compatible System Components
| Component | Function |
|---|---|
| Ingersoll Rand Screw Compressor | Primary compressed-air equipment |
| Air Filter Housing | Contains and supports the main filter core |
| Compressor Intake System | Directs ambient air toward the compressor |
| Intake Ducting | Transfers filtered air to the air-end |
| Compressor Air-End | Compresses the filtered intake air |
| Air/Oil Separator | Separates oil from compressed air in applicable systems |
| Compressor Controller | Manages compressor operation and protection |
| Compressor Service Parts | Supports scheduled maintenance and repair |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 47667846001 | Compressor Service Parts | Compressor maintenance and replacement components |
| Ingersoll Rand 47638842001 | Air Filter Main Core | Primary compressor intake-air filtration |
| Ingersoll Rand Air Filter Safety Filter | Secondary Air Filter | Additional intake-air filtration |
| Ingersoll Rand 47638843001 | Air Filter Safety Filter | Secondary compressor intake filtration |
| Ingersoll Rand 39911631 | Oil Filter | Compressor lubricant filtration |
| Ingersoll Rand Air/Oil Separator Elements | Separator Element | Air and oil separation |
| Ingersoll Rand Compressor Service Kits | Maintenance Kit | Scheduled compressor servicing |
| Ingersoll Rand High Temperature Grease | Maintenance Lubricant | Lubrication of designated mechanical components |
Key Advantages
- Provides primary filtration for compressor intake air.
- Helps reduce particulate contamination entering the compressor air-end.
- Supports proper intake-air cleanliness during normal operation.
- Suitable for scheduled preventive maintenance and filter replacement.
- Helps maintain the intended intake-air path when correctly installed.
- Supports protection of downstream compressor components from airborne contamination.
Technical FAQs
What is the difference between the air filter main core and a safety filter?
The main core provides the primary filtration stage for incoming compressor air. A safety filter is a secondary filtration element used in applicable intake assemblies, providing additional protection if the primary filter is removed or compromised.
How can a loaded air filter affect compressor operation?
As particulate contamination accumulates, airflow through the filter can become increasingly restricted. Excessive restriction can affect the compressor intake conditions and may be accompanied by abnormal operating indications or reduced performance.
What should be inspected when replacing the 47638842001 filter?
The filter housing, sealing surfaces, intake ducting, and surrounding connections should be inspected along with the filter itself. Any path that could allow unfiltered air to bypass the filter should be addressed before returning the compressor to operation.
When should the 47638842001 main filter core be replaced?
Replacement should follow the maintenance requirements for the specific compressor and its operating environment. Frequent inspection may be appropriate in dusty or heavily contaminated environments where the filter can load more quickly.