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Heavy Duty Balanced Opposed Compressors

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FOR MODELS: JG AND JGA SECTION 6 - TECHNICAL ASSISTANCE<br />

Problem Possible Causes<br />

Piston Rod Oil Wiper<br />

Leaks<br />

Force Feed Lube No-<br />

Flow Shutdown<br />

Worn wiper rings.<br />

Wipers incorrectly assembled.<br />

Worn/scored rod.<br />

Improper fit of rings to rod/side clearance.<br />

Blockage causing blow-out disk to vent.<br />

Force feed filter(s) dirty.<br />

Force feed pump failure.<br />

Distributor block failure.<br />

Loss of force feed oil supply to pump.<br />

DNFT failure.<br />

Oil injection point check valve failure.<br />

PAGE 6 - 6 11/01

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