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The Ingersoll Rand 47667846001 39911631 Oil Filter is a replacement oil filter used in compatible Ingersoll Rand compressor systems. It is part of the compressor lubrication circuit, where filtration is required to keep circulating lubricant free from contaminants that could affect internal mechanical components.
During compressor operation, lubricant moves through the lubrication system and can carry fine particles generated by normal mechanical wear, contamination introduced during servicing, or other debris. The oil filter captures these contaminants before the oil continues through the relevant lubrication path.
The 39911631 oil filter is suited to scheduled compressor maintenance and filter replacement work. Replacing the filter at the appropriate service interval helps maintain the condition of the lubrication circuit and reduces the possibility of accumulated contaminants circulating through the compressor.
For maintenance technicians, the oil filter should be treated as part of the complete lubrication system rather than as an isolated consumable. Correct filter selection, installation, sealing, and post-service inspection are important when returning the compressor to operation.
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 47667846001 |
| Product Number | 39911631 |
| Product Type | Oil Filter |
| Primary Function | Compressor lubricant filtration |
| System Role | Lubrication system filtration |
| Typical Application | Ingersoll Rand industrial air compressors |
| Dimensions | 290 × 50 × 119 mm |
| Weight | 2.27 kg |
The 39911631 oil filter operates as a filtration barrier within the compressor lubrication circuit. Lubricant entering the filter passes through the filter media, while particles and contaminants are retained by the filtration element.
Compressor Oil Circuit → 39911631 Oil Filter → Filtered Lubricant → Lubricated Compressor Components
As the compressor operates, the filter continuously handles lubricant flowing through the designated oil circuit. The filtration process helps prevent accumulated contaminants from continuing downstream toward components that depend on clean lubricant.
Filter condition can change over the service interval as contaminants accumulate in the filter media. A filter that is heavily contaminated can affect oil flow through the lubrication circuit, which is why filter replacement forms part of routine compressor maintenance.
The oil filter does not regulate compressor pressure or control compressor operation. Its function is specifically related to maintaining the cleanliness of the circulating lubricant.
The 39911631 occupies the filtration layer of the compressor lubrication system. It works together with the oil circuit and mechanical components that depend on properly filtered lubricant.
Compressor Oil Circuit → 39911631 Oil Filter → Lubrication Circuit → Compressor Mechanical Components
| System Element | Function |
|---|---|
| Compressor Oil Circuit | Circulates lubricant through the compressor |
| 39911631 Oil Filter | Removes contaminants from the circulating lubricant |
| Oil Lines and Connections | Transfer lubricant between system components |
| Compressor Bearings | Receive lubrication to support rotating components |
| Compressor Mechanical Assembly | Performs compression and mechanical power transmission |
| Oil Cooler | Helps manage lubricant temperature where fitted |
| Compressor Controller | Monitors and controls compressor operating functions |
A clean filter supports the overall lubrication circuit, but filter condition should be evaluated together with oil condition, operating temperature, pressure behavior, and the condition of other compressor components.
| Application | Typical Use |
|---|---|
| Screw Compressor Maintenance | Scheduled replacement of compressor oil filters |
| Industrial Air Compression | Lubricant filtration during compressor operation |
| Preventive Maintenance | Routine replacement of used filter elements |
| Compressor Overhaul | Installation of new filtration components during servicing |
| Manufacturing Plants | Maintenance of compressed-air equipment |
| Process Industries | Lubrication-system filtration for compatible compressors |
| Plant Utility Systems | Maintaining compressor lubrication-system cleanliness |
| Component | Function |
|---|---|
| Ingersoll Rand Screw Compressor | Primary compressed-air equipment |
| Compressor Oil Circuit | Circulates lubricant through the machine |
| Oil Cooler | Manages lubricant temperature where applicable |
| Compressor Bearings | Depend on proper lubrication for rotating support |
| Compressor Lubrication Components | Distribute lubricant to designated mechanical areas |
| Air/Oil Separator | Separates oil from compressed air in applicable compressor systems |
| Compressor Controller | Manages operating and protection functions |
| Compressor Service Kit | Supports scheduled maintenance activities |
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 47667846001 | Compressor Service Parts | Compressor maintenance and replacement components |
| Ingersoll Rand 39911631 | Oil Filter | Compressor lubricant filtration |
| Ingersoll Rand 47667845001 | Compressor Service Parts | Scheduled compressor maintenance |
| Ingersoll Rand Air Filter Elements | Air Filter | Compressor intake-air filtration |
| Ingersoll Rand Air/Oil Separator Elements | Separator Element | Separation of oil from compressed air |
| Ingersoll Rand Compressor Lubricants | Compressor Lubricant | Compressor lubrication and service |
| Ingersoll Rand High Temperature Grease | Maintenance Lubricant | Lubrication of designated mechanical components |
| Ingersoll Rand Compressor Service Kits | Maintenance Kit | Scheduled compressor servicing |
The oil filter is intended to retain particulate contamination and debris present in the circulating compressor lubricant. The type and quantity of contamination can depend on equipment condition, operating environment, lubricant condition, and maintenance practices.
Abnormal oil pressure or flow behavior, increased operating temperature, or unusual lubrication-system indications can justify inspection of the filter and surrounding oil circuit. These symptoms can also originate from other lubrication-system components and should not automatically be attributed to the filter.
The filter gradually accumulates retained contaminants during operation. Replacing it at the appropriate service interval helps maintain the intended filtration function and reduces the risk of excessive restriction caused by a heavily loaded filter.
Check that the filter is correctly installed and sealed, then inspect for leakage after restoring the compressor to service. Operating oil pressure, temperature, and other relevant lubrication indications should also be monitored for abnormal behavior.