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Quincy ® QR-25 Series Model 340 Parts Manual · Record of Change 105 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 compressor.
INTRODUCTION TABLE OF CONTENTS This manual provides information for the following Serial Number Identification ......... 2 QR-25 Series, Model 340 (Record of Change 105) Ordering Replacement Parts ........ 2 compressor versions: Quin-Cip Oil ............2 Control Version P Crankcase Lubricant Capacity ......2 plain head assembly &...
Quart Case 112543C100 (12)-1 qt., SAE 30 All replacement parts are to be ordered through an authorized Quincy Compressor Distributor. In- sist on genuine Quincy parts only! Failure to do so CRANKCASE LUBRICANT may void warranty. CAPACITY Model Less Filter...
N.S.S. = Not Sold Separate @ Indicates torque value in foot pounds (dry threads) For reversal of compressor rotation refer to QR-25 instruction manual. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
CONNECTING ROD & PISTON GROUP 110749* (low pressure) RING GAPS TO BE STAGGERED WHEN ASSEMBLED. PIP MARKS INDICATE TOP SURFACE OF RING. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
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* 2 of 110749 Connecting Rod & Piston Group required per compressor N.S.S. = Not Sold Separate @ Indicates torque value in foot pounds (dry threads) QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
CONNECTING ROD & PISTON GROUP 110750* (high pressure) RING GAPS TO BE STAGGERED WHEN ASSEMBLED. PIP MARKS INDICATE TOP SURFACE OF RING. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
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Replacement Connecting Rod Assembly includes connecting rod assembly, connecting rod inserts, & locknuts N.S.S. = Not Sold Separate @ Indicates torque value in foot pounds (dry threads) QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
CYLINDER & HEAD GROUP 110751-001 (control version P) QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
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@ Indicates torque value (dry threads). Tighten all bolts & capscrews in any bolt pattern, evenly bringing each bolt to torque in equal increments, while moving about the bolt pattern. This is particularly true of connecting rod & head bolts. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
CYLINDER & HEAD GROUP 110752-001 (control versions L, S, LS & LVD) QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
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Note: Tighten all bolts & capscrews in any bolt pattern, evenly bringing each bolt to torque in equal increments, while moving about the bolt pattern. This is particularly true of connecting rod & head bolts. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
HEAD ASSEMBLY 6661P (control version P) QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
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@ Indicates torque value (dry threads). Tighten multiple bolts, capscrews & hex nuts in a criss-cross or alternating pattern. Bring each fastener to the recommended torque specification in even increments. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
90° male elbow, 1/4 tube x 1/4 npt * See page 25 for optional pilot valves that must be used with respective pressure ranges. 3/8 o.d. tube from receiver QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
(high pressure, 201-500 p.s.i.) * See page 25 for optional pilot valves that must be used with respective pressure ranges. 1.10 3/8 o.d. tube from receiver QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
(high pressure, 201-500 p.s.i.) * See page 25 for optional pilot valves that must be used with respective pressure ranges. 1.10 3/8 o.d. tube from receiver QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
" limits of your compressor. Failure to heed this warning " could result in an explosion. 110832-055 QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
Suction valve unloader assemblies are recommended lated by turning the hex nut (marked "unload adj." for use on Quincy compressors where the compres- in cross sectional illustrations of pilot valves). Turn sor is to run continuously and a constant pressure is the hex nut clockwise to increase and counterclock- to be maintained.
127889-B decal, DANGER! / 7270 valve spring "Air used for breathing..." 6910 valve spring 7088 gasket set * Not sold separate; order 127889. QR 340 Quincy Compressor 50216-105, July 1999 3501 Wismann Lane, Quincy IL. - 62305-3116...
Quincy Compressor Distributor for parts that can be used for custom built units. Make sure the components you order are rated within the safe operating limits of your system. If you are doubtful about which components to order, contact you local Quincy distributor.
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