Frick XJS and XJF 95/120 Rotary Screw Compressor Service Manual

About this manual

This service manual provides detailed instructions for the maintenance, inspection, and repair of Frick XJS and XJF 95/120 rotary screw compressors. It includes safety precautions, torque specifications, required tools, and step‑by‑step procedures for disassembly and reassembly of key components such as seals, bearings, and rotors.

The document also lists part numbers for special tools and replacement components, and offers guidance on proper handling of oil lines, slide valves, and other critical assemblies. Technicians are reminded to consult the operator’s manual before performing any work and to avoid unauthorized alterations to the compressor design.

What's inside

• General Maintenance
• Preventive Maintenance Inspection
• Torque Specifications
• Special Tools and Test Equipment
• Safety Precautions
• Compressor Assembly
• Shaft Seal Installation
• Oil Line Installation
• Bearing Removal and Installation
• Slide Valve and Slide Stop Procedures

Specifications

Frequently asked questions

What size screw is used for the slide stop?

An 8 mm screw with part number 111Q0740796 is used for the slide stop.

Can the compressor be altered from its original design?

No, alterations are only allowed if approved by Frick Company and performed by authorized service personnel.

What should be read before attempting any service on the compressor?

Technicians should read the operator’s manual (IOM) before attempting any work.

Which special tool is required for removing the 8 mm disc bearing?

The 8 mm Disc Bearing Puller, part number 534C0528G01, is required.