Heavy Duty Balanced Opposed Compressors - Ariel Corporation
Heavy Duty Balanced Opposed Compressors - Ariel Corporation
Heavy Duty Balanced Opposed Compressors - Ariel Corporation
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FOR MODELS: JGZ AND JGU SECTION 6 - MAINTENANCE INTERVALS & TROUBLE SHOOTING<br />
Excessive Packing Leakage<br />
Packing Over Heating<br />
Excessive Carbon on Valves<br />
Relief Valve Popping<br />
High Discharge Temperature<br />
Frame Knocks<br />
Problem Possible Causes<br />
Drive End of Crankshaft Oil<br />
Leak<br />
Piston Rod Oil Wiper Leaks<br />
Worn packing rings.<br />
Improper lube oil and or insufficient lube rate.<br />
Dirt in packing.<br />
Packing rings assembled incorrectly.<br />
Improper ring side or end gap clearance.<br />
Plugged packing vent system.<br />
Scored, tapered or out of round piston rod.<br />
Excessive piston rod run-out.<br />
Packing not seated or properly run in.<br />
Lubrication failure.<br />
Improper lube oil and/or insufficient lube rate.<br />
Worn packing rings.<br />
Dirt in packing.<br />
Improper ring side or end gap clearance.<br />
Scored, tapered or out of round piston rod.<br />
Excessive piston rod runout.<br />
Excessive lube oil.<br />
Improper lube oil.<br />
Oil carry-over from inlet system or previous stage.<br />
Broken or leaking valves causing high temperature.<br />
Excessive temperature due to high pressure ratio across cylinders.<br />
Faulty relief valve.<br />
Leaking suction valves or rings on next higher stage.<br />
Obstruction or faulty valve in discharge line.<br />
Excessive ratio across cylinder due to leaking inlet valves or rings on next<br />
higher stage.<br />
Fouled intercooler piping.<br />
Leaking discharge valves or piston rings.<br />
High inlet temperature.<br />
Improper lube oil and or lube rate.<br />
Loose crosshead pin or pin caps.<br />
Loose or worn main, crankpin or crosshead bearings.<br />
Low oil pressure.<br />
Cold oil.<br />
Incorrect oil.<br />
Knock is actually from cylinder end.<br />
Clogged vent or vent piping.<br />
Excessive cylinder packing leakage.<br />
Worn wiper rings.<br />
Wipers incorrectly assembled.<br />
Worn/scored rod.<br />
Improper fit of rings to rod/side clearance.<br />
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