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Ariel JGW Series - User Manual

Ariel JGW Series
141 pages
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ARIEL
Heavy Duty
Balanced Opposed
Compressors
TECHNICAL MANUAL
For Models:
JGW, JGR and JGJ
ARIEL CORPORATION
35 BLACKJACK ROAD, MOUNT VERNON, OHIO 43050
TELEPHONE: 740-397-0311 FAX: 740-397-3856
VISIT OUR WEB SITE: www.arielcorp.com
EMAIL: info@arielcorp.com
REV: 1/01

Table of Contents

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Ariel JGW Series Specifications

General IconGeneral
BrandAriel
ModelJGW Series
CategoryAir Compressor
LanguageEnglish

Summary

SECTION 1 - DESIGN SPECIFICATIONS & DATA

General

Introduction to compressor design and maintenance practices.

Specifications

Detailed frame specifications for JGW/JGR models.

Product Information and Safety Plates

Details on identification plates and their locations on the compressor.

Important Safety Information

Critical safety warnings and precautions for operation and maintenance.

Clearances

Specified clearances for various compressor components.

Piston Ring and Packing Ring Side Clearance, Inches (mm)

Clearances for piston rings and packing rings.

Fastener Tightening Torque

Torque values for various fasteners used in compressor assembly.

Ariel Bolting

Information on Ariel's recommended bolting practices and materials.

Optional Main Bearing Temperature Instrumentation - Alarm & Shutdown

Details on temperature instrumentation for alarms and shutdowns.

Electrical Instrumentation Setting

Settings for electrical instrumentation parameters.

SECTION 2 - INSTALLATION

General

General considerations for compressor installation.

Procedure For Setting and Aligning

Steps for setting and aligning the compressor skid.

Setting

Procedure for setting the compressor on the skid.

Alignment

Importance and methods of proper compressor alignment.

Vents and Drains

Critical importance of open and functional vents and drains.

SECTION 3 - START UP

General

Importance of following the Start Up Check List.

Start-Up Check List

Pre-start checks for safe operation.

Maximum Allowable Working Pressure

Definition and importance of MAWP for cylinders.

Relief Valve Settings

Guidelines for setting relief valves per API SPEC 11P.

Filling Sump & Priming a Main Oil Lube Oil System - Before Starting

Procedures for filling the sump and priming the lube oil system.

Force Feed Lubricator Adjustment

Setting the force feed lubricator for break-in and normal rates.

Compressor Re-Application

Considerations when re-applying a compressor to new conditions.

SECTION 4 - LUBRICATION AND VENTING

General

Six functions of lubrication in a compressor.

Oil Cooler

Requirements and mounting of the oil cooler.

Cold Starting

Considerations for starting compressors in cold ambient temperatures.

Compressor Prelube Pump

Importance and sizing of prelube pumps.

Petroleum Based Oils - also referred to as mineral oils

Properties of paraffinic and napthenic oils.

Compounded Cylinder Oil Additives

Function and types of cylinder oil additives.

Animal Fats

Use of animal fats as a compounding additive.

Vegetable Oils

Use of vegetable oils as a compounding additive.

Synthetic Lubricants

Properties and benefits of synthetic lubricants.

Compressor Frame Lubricants

Recommended mineral oils for compressor frames.

Cylinder And Packing Lubrication Requirements

Factors influencing cylinder lubrication selection.

Force Feed Lubrication System - Description

Description of the force feed lubrication system components.

Force Feed Balance Valves

Use of balance valves in distribution block applications.

Setting and Maintaining Balance Valves

Procedures for setting and maintaining balance valves.

Frame Lubricating System - Description

Description of the frame lubrication system.

Lube Oil Pump & Lube Oil Pressure

Description and adjustment of the lube oil pump and pressure.

Low Oil Pressure Shutdown

Function and setting of low oil pressure shutdown.

SECTION 5 - MAINTENANCE

General Introduction

Overview of frame components and maintenance necessities.

Connecting Rod - Removal

Step-by-step procedure for removing the connecting rod.

Crank Pin Bearing & Connecting Rod Bushing Removal & Installation

Procedures for removing and installing bearings and bushings.

Connecting Rod - Installation

Step-by-step procedure for installing the connecting rod.

Crosshead - Removal

Procedure for removing the crosshead assembly.

Crosshead - Installation

Procedure for installing the crosshead assembly.

Crankshaft - Removal

Step-by-step process for removing the crankshaft.

Crankshaft - Oil Slinger

Procedures for removing and installing the oil slinger.

Crankshaft - Chain Sprocket

Procedures for removing and installing the chain sprocket.

Main Bearings - Removal and Installation

Procedures for removing and installing main bearings.

Crankshaft - Installation

Steps for installing the crankshaft.

Chain Drive System

Description of the chain drive system operation.

Chain Adjustment

Procedures for adjusting chain tension.

Chain and Sprocket Replacement

Guidance on replacing chains and sprockets.

Lube Oil Pump Chain Sprocket Replacement

Procedure for replacing the lube oil pump chain sprocket.

Force Feed Lubricator Chain Sprocket Replacement

Procedure for replacing the lubricator chain sprocket.

Piston and Rod - Removal

Steps for removing the piston and rod assembly.

Piston and Rod - Disassembly and Reassembly

Procedures for disassembling and reassembling piston and rod.

Piston Rod Run Out

Checking piston rod run out after maintenance.

Piston Rings

Types of piston rings used in Ariel compressors.

Piston Rings - Installation

Steps for installing piston rings.

Piston Rod Pressure Packing - Removal

Procedure for removing piston rod pressure packing.

Piston Rod Packing - Reassembly

Procedures for reassembling piston rod packing.

Types of Piston Rod Packing Rings

Description of different types of packing rings.

Typical Arrangement of Piston Rod Packing Rings

General arrangement of packing rings and vents.

Valves

General information about compressor valves.

Valves - Removal

Steps for removing cylinder valves.

Valves - Maintenance

Maintenance procedures for Hoerbiger valves.

Valves - Reassembly

Steps for reassembling compressor valves.

Bolt Tightening for Valve Caps

Proper technique for tightening valve cap bolts.

VVCP - Variable Volume Clearance Pocket Head End Unloader

Details on the VVCP unloader component.

Water-Cooled Compressor Rod Packing

Reassembly and testing of water-cooled rod packing.

Ethylene Glycol Contamination

Causes and remediation of ethylene glycol contamination.

Cleaning Non-Lube Compressor Cylinder Components

Cleaning procedures for non-lube cylinder components.

SECTION 6 - TECHNICAL ASSISTANCE

Recommended Maintenance Intervals

Guide to recommended maintenance schedules.

Daily

Daily checks for compressor operation and safety.

Monthly (in addition to Daily Requirements)

Monthly checks in addition to daily requirements.

Every 6 Months or 4,000 Hours (plus Daily;Monthly)

Maintenance tasks for 6-month or 4000-hour intervals.

Trouble Shooting

Common problems and their possible causes in compressor operation.

SECTION 7 - APPENDICES

Ariel Tools

List of Ariel furnished and optional tools.

Minimum Hand Tools Required

List of essential hand tools for compressor work.

Terms, Abbreviations and Conversion to SI Metric

Glossary of terms, abbreviations, and unit conversions.

Gas Analysis Common Abbreviations

Common abbreviations used in gas analysis.

Technical and Service Schools on Ariel Compressors

Information on training programs offered by Ariel.

Ariel Customer Technical Bulletins (Formerly Ariel Newsletters)

Information on technical bulletins and newsletters.

Ariel Telephone and Fax Numbers

Contact information for Ariel Corporation.

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