Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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FOR MODELS: JGZ AND JGU SECTION 3 - START UP START-UP CHECK LIST - ITEMS TO CHECK IN THE FIELD AT COMMISSIONING Description Date Checked Date Verified 19. If applicable, check compressor skid to foundation grouting for proper installation, grout type, and internal support. Commissioning Agent: __________________ Distributor:___________ 20. Record soft foot readings. More than 0.002 inches (0.05 mm) pull-down on any frame foot requires correction. See Technical Manual. Drive End _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ 21. If applicable, re-assemble the guide/cylinder components. 22. Check and verify connecting rods can move freely without damage before rotating the crankshaft. NOTE: Pre-lube compressor before turning crankshaft. 23. Check crosshead guide shimming for correct pre-load and hold down bolt torque. Commissioning Agent: __________________ Commissioning Agent: __________________ Commissioning Agent: __________________ Commissioning Agent: __________________ Distributor:___________ Distributor:___________ Distributor:___________ Distributor:___________ 24. Record piston end clearances with feeler gages (see Technical Manual, Section 1, Clearances). Throw 1 2 3 4 5 6 Head End _________ _________ _________ _________ _________ _________ Crank End _________ _________ _________ _________ _________ _________ NOTE: Pre-lube compressor before turning crankshaft. Commissioning Agent: __________________ Distributor:___________ 25. Measure and record rod run out (see Technical Manual, Section 5 for maximum acceptable readings). Throw Vertical: 1 2 3 4 5 6 Piston @ CE _________ _________ _________ _________ _________ _________ Mid-Stroke _________ _________ _________ _________ _________ _________ Piston @ HE _________ Horizontal: _________ _________ _________ _________ _________ Piston @ CE _________ _________ _________ _________ _________ _________ Mid-Stroke _________ _________ _________ _________ _________ _________ Piston @ HE _________ _________ _________ _________ _________ _________ NOTE: Pre-lube compressor before turning crankshaft. 26. Measure crosshead clearances with cylinders mounted. To check top, insert 0.5 inch (12.7 mm) wide feelers from one side edge across to the opposite side, at both ends. See Technical Manual, Section 1 for limits. To check bottom, insert a 0.0015 inches (0.038 mm) feeler at the four corners; feeler should insert no more than 0.50 (13 mm). Record feeler values below: Throw Top Min. Top Max. Bottom Max. (Corners) 1 _________ _________ _________ 2 _________ _________ _________ 3 _________ _________ _________ 4 _________ _________ _________ 5 _________ _________ _________ 6 _________ _________ _________ Commissioning Agent: __________________ Commissioning Agent: __________________ Distributor:___________ Distributor:___________ 7/09 PAGE 3 - 5
FOR MODELS: JGZ AND JGU SECTION 3 - START UP START-UP CHECK LIST - ITEMS TO CHECK IN THE FIELD AT COMMISSIONING Description Date Checked Date Verified 27. Record “out of plane” readings (post-grout) - see ER-82. NOTE: If applicable after reassembly, send readings to <strong>Ariel</strong>. _________ _________ _________ _________ _________ _________ _________ _________ 28. For electric motor drivers, check and verify the motor shaft is set at its magnetic center before positioning axial clearance. Check and verify driver rotation matches the compressor rotation arrow. 29. Check coupling bolt torque to coupling manufacturer recommendations. 30. Check and verify compressor to driver alignment (installed on site, cold). Record dial indicator readings in inches (mm) at the 3, 6, 9 and 12 o’clock positions or attach alignment tool print-out. Face Rim If using a laser alignment tool, make a print out and attach it to this document. 31. Check and verify compressor crankshaft thrust clearance. The shaft should remain stationary after thrusting each direction (see Technical Manual, Clearances). ______________ ______________ Commissioning Agent: __________________ Commissioning Agent: __________________ Commissioning Agent: __________________ Commissioning Agent: __________________ Commissioning Agent: __________________ Distributor:___________ Distributor:___________ Distributor:___________ Distributor:___________ Distributor:___________ PAGE 3 - 6 7/09
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Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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