Ingersoll Rand 47555212001 23545841 Air-Cooled Preventive Maintenance Kit with Modification

Introduction

The Ingersoll Rand 47555212001 23545841 Air-Cooled Preventive Maintenance Kit with Modification combination covers the air/oil-separation portion of the modified 8,000-hour major-service program for R90–110 I compressors. The published service data identifies 47555212001 as the 8,000-hour air-cooled package with modification and specifies one 23545841 separator-tank element.

In an oil-injected rotary screw compressor, the compressed-air stream leaving the compression stage contains suspended lubricant. The separator element performs the important coalescing function of removing that oil from the air stream while supporting recovery of separated lubricant into the compressor's oil circuit.

The 23545841 reference is specifically identified as an 18-inch separator-tank element. The same reference also appears in maintenance configurations for other R-Series and RS-Series compressor applications, so final fitment remains dependent on the complete machine configuration.

The relationship between the requested part numbers is direct. Under the R90–110 I 47555212001 package, the published parts table lists one 23545841 together with 23429822, 23424922, 23497001, 23531577, 47552954001, 47553881001, and 39218193.

The MOD designation is important for maintenance planning, but it does not mean every recurring component changes. The modification is reflected in the inlet-valve service reference: 47555212001 uses 47553881001, while the standard 47555208001 package uses 47553880001. The separator remains 23545841.

Separator condition affects both compressed-air quality and compressor efficiency. As an element becomes loaded, differential pressure can increase. A degraded or incorrectly installed separator can also allow excessive oil carryover into downstream equipment.

During separator replacement, the separator vessel, sealing surfaces, oil-return arrangement, and associated connections should be inspected. A new separator alone cannot correct a damaged seal, obstructed return path, or other fault in the separation system.

Oil carryover should not automatically be attributed to the separator. Incorrect oil level, oil-return restrictions, control faults, lubricant condition, and other operating conditions can produce similar symptoms. A complete system diagnosis is appropriate when abnormal oil carryover is detected.

The 23545841 reference is also used in R132–160 and RS90–160 service configurations, according to the published parts data. This reinforces the need to verify the separator vessel and compressor configuration rather than assuming all 23545841 applications are identical.

For maintenance planners, 47555212001 should be distinguished from both the standard air-cooled package 47555208001 and the water-cooled modified package 47556402001. The individual separator may be shared while the overall maintenance package and cooling configuration differ.

For purchasing teams, the service record should retain the compressor model, serial number, cooling configuration, MOD status, complete kit number, and separator part number. This provides stronger traceability than the separator number alone.

The separator should be installed according to the applicable Ingersoll Rand procedure, including correct seating and sealing. The oil-return system should be checked at the same time to reduce the risk of premature separator problems.

Cross-reference or aftermarket separator options may exist, but they should not be selected solely by nominal tank size. Separation efficiency, pressure drop, flow capacity, dimensions, sealing arrangement, and vessel compatibility must all match the intended application.

Exact current dimensions, separator-media engineering specifications, pressure-drop characteristics, package dimensions, kit weight, and complete revision-specific contents of 47555212001 were not sufficiently verified from authoritative documentation. These values are therefore intentionally not estimated.

For industrial compressor operators and maintenance professionals, 47555212001 and 23545841 provide a clear reference for separator service within the modified 8,000-hour air-cooled R90–110 I maintenance program. Correct configuration matching and proper separator installation can help control oil carryover and support dependable compressor operation.

Technical Specifications

The published service table directly associates one 23545841 separator with 47555212001 for R90–110 I.

Recommended Companion Models

These components are listed within the modified R90–110 I 8,000-hour air-cooled maintenance configuration and address intake filtration, coolant filtration, pre-filtration, and motor lubrication.

Frequently Selected Alternatives