QSI 675-750
80Pages

an EnPro Industries company Industrial Rotary Screw Air Compressor Parts Manual This manual contains important safety information and should be made available to all personnel who operate and/or maintain this product. Carefully read this manual before attempting to operate or perform maintenance on this equipment.

Quincy Compressor® - QSI® 675/750

Serial Number Identification The serial number tag is located on the top flange of the unit frame just left of the con- trol panel and in the upper right corner of the electrical control panel. QUINCY COMPRESSOR 701 North Dobson Avenue, Bay Minette, AL Ordering Replacement Parts Prompt service can be rendered on replacement part orders if the following information 1. The serial number must be given when ordering replacement parts. Part numbers should be verified per the bill of materials associated with the serial number to ensure that correct replacement parts are ordered. 2. State the...

Fluid Specifications Quincy Compressor® recommends that all Quincy Rotary Screw Products be filled with one of the following QuinSyn® Brand synthetic fluids: H QuinSyn F® (food grade) H Synthetic fluids other than QuinSyn brand(s) may not be compatible with components used in Quincy Compressor products. If it is deemed necessary to convert a Quincy compressor or vacuum pump to a synthetic other than QuinSyn brand, please contact an authorized Quincy Compressor distributor. To locate your nearest distributor, contact Sales & Marketing in Quincy, Illinois: Phone 217-222-7700, FAX 217-222-4138...

Recommended Spare Parts Part Number kit-shaft seal (includes slinger, shaft seal, & wear ring) element-air filter switch-temperature (230°f) (standard unit) switch-temperature (240°f) (Power$ync unit) kit-differential pilot valve (includes diaphragm, diaphragm gaskets, seat gasket, seat disk, seat ring) kit-line filter (includes bowl seal, filter element, gasket) kit-line filter (includes element seal, filter element) separator-air/fluid kit-moisture separator (includes gasket) kit-minimum pressure check valve (wye-delta) element-fluid filter kit-thermostatic valve (includes element, gasket...

Airends (QSI 750/675, less lift valves) - 140910-001/143519-101 143528-TEC Shaft Seal Kit - 140413 Item No. 1 2 3 Part Number slinger seal-shaft seal-wear ring Reference Instruction Manual to install compressor shaft seal. Tool Kit 140414 for 255 mm shaft seal and wear ring installation can be purchased from Quincy Compressor. Quincy Compressor® - QSI® 675/750

Airends (QSI 750/675, less lift valves) - 140910-001/143519-101 ITEM NO. QTY. PART NUMBER DESCRIPTION 18 1 23204 GASKET-PLATE, FLUID GALLERY 19 1 23203 PLATE-COVER, FLUID GALLERY 23 ** 140889 SHIM-ROTOR, TEMPERED STEEL & STAINLESS STEEL/BRASS 24 ** 129995 SHIM-ROTOR, TEMPERED STEEL & STAINLESS STEEL/BRASS GRADE 8 (@ 45 FT-LBS, BACK OFF TO 25 FT-LBS) GRADE 8 (@ 45 FT-LBS, BACK OFF TO 25 FT-LBS) COMPONENT MAINTENANCE PARTS * ITEMS NOT SOLD SEPARATELY, MUST BE ORDERED AS A COMPLETE AIREND. @ INDICATES TORQUE VALUE IN FOOT POUNDS (LUBRICATED THREADS). Quincy Compressor® - QSI® 675/750

Airend (QSI 750, with lift valves) - 140911-001 143529-TEC Shaft Seal Kit - 140413 Item No. 1 2 3 Part Number slinger seal-shaft seal-wear ring Reference Instruction Manual to install compressor shaft seal. Tool Kit 140414 for 255 mm shaft seal and wear ring installation can be purchased from Quincy Compressor. Quincy Compressor® - QSI® 675/750

Airend (QSI 750, with lift valves) - 1 4091 1 -001 PART NUMBER 1 23204 GASKET-PLATE, FLUID GALLERY 1 23203 PLATE-COVER, FLUID GALLERY 1 140889 SHIM-ROTOR, TEMPERED STEEL & STAINLESS STEEL/BRASS 1 129995 SHIM-ROTOR, TEMPERED STEEL & STAINLESS STEEL/BRASS 1 128967-001 FITTING-ELBOW, 45° MALE, 0.25 TUBE X 0.12 NPT GRADE 8 (@ 45 FT-LBS, BACK OFF TO 25 FT-LBS) GRADE 8 (@ 45 FT-LBS, BACK OFF TO 25 FT-LBS) 4 141790-1 VALVE-LIFT (INCLUDES O-RING 22749-138) COMPONENT MAINTENANCE PARTS * ITEMS NOT SOLD SEPARATELY, MUST BE ORDERED AS A COMPLETE AIREND. @ INDICATES TORQUE VALUE IN FOOT POUNDS...

NOTES-UNLESS OTHERWISE SPECIFIED: I) COUPLING HUBS MUST BE INSTALLED WITH KEYWAYS OFFSET 180° (1/2 TURN) TO MAINTAIN COUPLING BALANCE. ITEM NO. QTY. PART NUMBER DESCRIPTION COMPONENT MAINTENANCE PARTS (1 PAIR OF HALVES SOLD AS A MATCHED SET ONLY) B 1 128387-306 HUB-COUPLING, AIREND SIDE (INCLUDES SET SCREW) C 1 128387-209 HUB-COUPLING, MOTOR SIDE (INCLUDES SET SCREW) D 1 128387-503 BOLT KIT-DRIVE COUPLING (@ 30 FT-LBS) (1 PAIR OF HALVES SOLD AS A MATCHED SET ONLY) B 1 128387-307 HUB-COUPLING, AIREND SIDE (INCLUDES SET SCREW) C 1 128387-210 HUB-COUPLING, MOTOR SIDE (INCLUDES SET SCREW) D 1...

PART NUMBER COMPONENT MAINTENANCE PARTS INDICATES TORQUE VALUE IN FOOT POUNDS (LUBRICATED THREADS). Quincy Compressor® - QSI® 675/750

Inlet Valve (across the line) - 125323-005 housing-inlet valve assembly-air cylinder lockwasher, 0.38 gasket-11.00 o.d. x 8.00 i.d. screw-cap, 1/2-13 unc x 1.50, grade 5 (@ 55 lockwasher, 0.50 nut-jam, 1/2-13 unc screw-hex, 1/2-13 unc X 5.00, grade 5 (@ 55 spring o-ring, Buna-N, 0.75 i.d. plate-inlet valve gasket screw-cap, 3/8-16 unc x 1.00, grade 5 (@ 23 Component Maintenance Parts kit-head assembly spring kit-spring return diaphragm torque value in foot pounds (lubricated threads). Quincy Compressor® - QSI® 675/750

Inlet Valve (wye-delta) - 128960-1 Part Number Description gasket-11.00 o.d. x 8.00 i.d. screw-cap, 1/2-13 unc x 1.50, grade housing-inlet valve screw-cap, 3/8-16 unc x 1.00, grade assembly-inlet valve plate (includes bushing-p/n 129139) spring-compression plate-cover, inlet valve lockwasher, 0.50 gasket assembly-inlet valve cylinder (includes bushing-p/n 128719) seal-shaft, inlet valve spring-compression shaft-inlet valve piston-inlet valve screw-hex, 1/2-13 unc X 5.00, grade diaphragm-inlet valve nut-jam, 1/2-13 unc plug-pipe, hex socket, 0.25 npt lockwasher, 0.50 screw-cap, 1/2-13 unc x...

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