Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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! CAUTION GAS COMPRESSOR UNITS ARE COMPLICATED AND DANGEROUS PIECES OF EQUIPMENT. OPERATORS AND MECHANICS MUST BE FULLY TRAINED AND FAMILIAR WITH THEIR OPERATION. BEFORE STARTING THIS UNIT: FAMILIARIZE YOURSELF WITH THE UNIT. CAREFULLY READ AND STUDY START-UP AND SHUT-DOWN INFORMATION FOR BOTH PACKAGE AND COMPRESSOR! A GAS/AIR MIXTURE UNDER PRESSURE CAN EXPLODE! YOU CAN BE SEVERELY INJURED OR KILLED. MAKE SURE THE COMPRESSOR IS SUFFICIENTLY PURGED OF ANY EXPLOSIVE MIXTURE BEFORE STARTING. AFTER COMPLETING THE ABOVE, BEGIN PROPER STARTING PROCEDURE. CAUTION DO NOT ATTEMPT TO START-UP UNIT WITHOUT REFERRING TO THIS MANUAL SECTION 3: START-UP. IT IS ALSO ESSENTIAL TO REFER TO THE PACK- AGER’S OPERATING MANUAL. ! ! CAUTION THIS MANUAL EDITION IS BASED ON THE CURRENT DESIGN AND BUILD PRACTICES. THIS MANUAL MAY NOT BE APPLICABLE TO EQUIPMENT BUILT PRIOR TO THE DATE ON FRONT COVER AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CONTACT ARIEL WITH ANY QUESTIONS. REFER TO LAST PAGE OF THIS MANUAL FOR CONTACT INFORMATION. WHEN THIS SYMBOL APPEARS ON THE COMPRESSOR OR CONTROL PANEL, THIS TECHNICAL MANUAL IS TO BE CON- SULTED FOR SPECIFIC INFORMATION BEFORE PROCEEDING. IF MORE INFORMATION IS NEEDED CONTACT YOUR PACK- AGER AND/OR ARIEL CORPORATION.
FOR MODELS: JGZ AND JGU TABLE OF CONTENTS TABLE OF CONTENTS Design Specifications & Data .............................................................. 1-1 General ................................................................................................................... 1-1 Opposed Throw - Reciprocating Weight Balancing .......................................... 1-1 Specifications ......................................................................................................... 1-4 Product Information and Safety Plates ................................................................... 1-6 Important Safety Information ........................................................................... 1-7 Clearances ........................................................................................................... 1-13 Piston Ring, Packing Ring & Wearband Side Clearances .............................. 1-14 Piston, Piston Ring & Wearband Diametrical & End Gap Clearance .............. 1-15 Fastener Tightening Torque ................................................................................. 1-18 Tightening Torque Procedures ........................................................................ 1-22 Ariel Bolting .......................................................................................................... 1-24 Main Bearing Temperature Instrumentation - Alarm & Shutdown ........................ 1-25 Thermocouples, Type J (Iron-Constantan) or Type K (Chromel-Alumel) ........ 1-25 Resistance Temperature Devices (RTDs) ...................................................... 1-26 Main Bearing Temperature Alarm and Shutdown Limits ................................. 1-26 Zone 1 Environment ............................................................................................. 1-27 Compressor Installation ....................................................................... 2-1 General ................................................................................................................... 2-1 The Skid or Package .............................................................................................. 2-1 Lifting the Compressor ........................................................................................... 2-1 Setting the Compressor .......................................................................................... 2-2 Leveling Limits for Compressors ............................................................................ 2-2 Aligning Main Bearing Bores ............................................................................. 2-3 Setting Crosshead Guides ................................................................................ 2-5 Setting - Miscellaneous ..................................................................................... 2-6 Alignment - to Driver ............................................................................................... 2-6 Cold Alignment .................................................................................................. 2-9 Hot Alignment .................................................................................................. 2-10 Alignment Methods ......................................................................................... 2-10 Electrical Grounding ............................................................................................. 2-10 Pneumatically Actuated Unloaders & Clearance Devices .................................... 2-10 Vents and Drains .................................................................................................. 2-11 BICERA Type Crankcase Over-Pressure Relief Valves ....................................... 2-11 Distance Piece and Packing Illustrations: ....................................................... 2-12 Start Up .................................................................................................. 3-1 General ................................................................................................................... 3-1 Start Up Check List ................................................................................................. 3-2 Warranty Notification & Start Up Check Lists JGZ:U Compressors .................. 3-2 7/09 i
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Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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