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Ariel JGR/4 User Manual

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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 JGR/4 Specifications

General IconGeneral
BrandAriel
ModelJGR/4
CategoryAir Compressor
LanguageEnglish

Summary

Section 1 - Design Specifications & Data

Important Safety Information

Critical safety warnings regarding pressure, valves, noise, and hot surfaces.

Fastener Tightening Torque

Table listing fastener tightening torque values for assembly.

Section 2 - Installation

Procedure For Setting and Aligning

Key points for setting and aligning the compressor on its skid.

Alignment

Importance of alignment and methods for achieving it.

Section 3 - Start Up

Start-Up Check List

Checklist items to verify before starting the compressor unit.

Maximum Allowable Working Pressure

Definition and importance of MAWP for compressor cylinders.

Relief Valve Settings

Guidelines for setting relief valves according to API SPEC 11P.

Filling Sump & Priming a Main Oil Lube Oil System

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

Section 4 - Lubrication and Venting

Cylinder And Packing Lubrication Requirements

Factors influencing cylinder oil dilution and selection criteria.

Cylinder/Packing Lube Oil Recommendations

Table of recommended lube oils based on gas stream components.

Force Feed Lubrication System - Description

Description of the force feed lubrication system components and function.

Force Feed Lubrication System and Running Conditions

Guidelines for force feed lubrication system operation and running conditions.

Low Oil Pressure Shutdown

Setting and function of the low oil pressure shutdown.

Section 5 - Maintenance

Connecting Rod - Removal

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

Crank Pin Bearing & Connecting Rod Bushing Removal & Installation

Details on crank pin bearing and connecting rod bushing service.

Connecting Rod - Installation

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

Crosshead - Removal

Procedure for removing the crosshead from the compressor.

Crosshead - Installation

Procedure for installing the crosshead, including piston end clearance.

Crankshaft - Removal

Detailed steps for removing the crankshaft assembly.

Main Bearings - Removal and Installation

How to remove, install, and inspect main bearings.

Crankshaft - Installation

Detailed steps for installing the crankshaft assembly.

Piston and Rod - Removal

Step-by-step process for removing the piston and rod assembly.

Piston and Rod - Disassembly and Reassembly

Procedures for disassembling and reassembling piston and rod.

Piston and Rod - Installation

Step-by-step process for installing the piston and rod assembly.

Piston Rod Pressure Packing - Removal

Procedures for removing piston rod pressure packing.

Piston Rod Packing - Reassembly

Steps for reassembling piston rod packing components.

Valves - Removal

Step-by-step procedure for removing compressor valves.

Valves - Reassembly

Procedures for reassembling compressor valves.

Bolt Tightening for Valve Caps

Proper technique for tightening valve cap bolts to ensure seal.

VVCP - Variable Volume Clearance Pocket Head End Unloader

Introduction to the VVCP unloader, its removal and disassembly.

VVCP - Maintenance

Maintenance and adjustment procedures for the VVCP.

Section 6 - Technical Assistance

Recommended Maintenance Intervals

Guidelines for recommended maintenance intervals based on hours/months.

Trouble Shooting

Common problems and their possible causes for Ariel compressors.

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