Corken FD891 User Manual

Model 491-107
Installation, Operation
& Maintenance Manual
Plain Style Compressors for Liquid
Transfer-Vapor Recovery
Solutions beyond products...
ORIGINAL INSTRUCTIONS IE101K
Warning: (1) Periodic inspection and maintenance of Corken products is essential. (2) Inspection, maintenance and installation of
Corken products must be made only by experienced, trained and qualified personnel. (3) Maintenance, use and installation of Corken
products must comply with Corken instructions, applicable laws and safety standards. (4) Transfer of toxic, dangerous, flammable or
explosive substances using Corken products is at user’s risk and equipment should be operated only by qualified personnel according
to applicable laws and safety standards.

Corken FD891 Specifications

General

Model	FD891
Category	Air Compressor
Cooling Method	Air Cooled
Power Source	Electric
Lubrication	Lubricated

Summary

Chapter 1: Introduction to Corken Compressors

1.1 Liquid Transfer By Vapor Differential Pressure

Explains the process of transferring liquefied gases using vapor differential pressure.

1.2 Residual Vapor Recovery

Details the principle of recovering residual vapors after liquid transfer.

1.3 Compressor Construction Features

Highlights key design elements and features of the Corken compressor.

Chapter 2: Installing Your Corken Compressor

2.2 Foundation Requirements

Specifies essential requirements for a proper compressor foundation.

2.3 Piping Design and Installation

2.4 Liquid Traps for Protection

Explains the necessity and types of liquid traps for compressor protection.

2.6 Crankcase Lubrication Recommendations

Guidance on selecting and using appropriate crankcase lubricants.

2.7 Relief Valve Requirements

2.9 Shutdown/Alarm Devices

Chapter 3: Starting Up Your Corken Compressor

3.2 Flywheel and V-belt Alignment

3.3 Crankcase Oil Pressure Adjustment

Instructions for adjusting the crankcase oil pressure.

3.4 Startup Check List

A comprehensive checklist to perform before and after starting the compressor.

Chapter 5: Routine Service and Repair Procedures

5.1 Valve Inspection and Replacement

Procedures for inspecting, cleaning, and replacing compressor valves.

5.3 Piston Rings and Expanders

5.4 Piston Service and Replacement

5.5 Piston Rod Packing Adjustment

5.6 Cylinder and Packing Replacement

5.7 Bearing Replacement Procedures

Detailed steps for replacing crankcase and connecting rod bearings.

5.8 Oil Pump Inspection and Service

Appendix B: Specifications

Specifications for Vertical Single-Acting Models

Specifications for Vertical Double-Acting Models

Appendix C: Compressor Selection

Appendix E: Parts Details

Parts Details for 91 and F91

Parts Details for 291 and F291

Parts Details for 491 and F491

Parts Details for 691 and F691

Parts Details for D891 and FD891

Appendix F: Troubleshooting Guide