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T T T T T ear
ear
ear
down & Rebuild
down & Rebuild
ear down & Rebuild
down & Rebuild
ear
down & Rebuild
This manual contains important safety information and must be
carefully read in its entirety and understood prior to installation by
all personnel who install, operate and/or maintain this product.
® ® ® ® ®
Q R D
Q R D
Q R D
Series
Series
Series
Q R D
Q R D
Series
Series
Instruction Manual
Manual No. 50117-105
November 2008 Edition
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Summary of Contents for Quincy Compressor QRD Series
- Page 1 ® ® ® ® ® Q R D Q R D Q R D Series Series Series Q R D Q R D Series Series T T T T T ear down & Rebuild down & Rebuild ear down & Rebuild down &...
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Page 2: Tools And Supplies
Special attention should be given to the fact that QRD basic compressors are very unstable and awkward when removed from a stationary base or tank, with the sheave still mounted on the crankshaft. Quincy Compressor recommends that the basic compressor be removed from its base and mounted to a stable fixture prior to performing any of the following procedures. - Page 3 30 ft.-lbs. Step 12. Re-connect the control lines, sheave guard bracket and guard. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
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Page 4: Disassembly Procedures
However, it is good practice to inspect the valve assemblies during this maintenance period for any damage or abnormal wear. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116... - Page 5 PIX 1212 Step 12. Also measure the rider (lower) rings for wear. Refer to the parts book to determine replacement part numbers and quantities. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 6 When the bolt in the push plate has been screwed in far enough, the crankshaft assembly will drop down into the crankcase. CAUTION ! Crankshaft is very heavy - keep hands clear. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 7 Step 20. Attach a sling as shown and carefully remove the crankshaft assembly from the crankcase. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 8 Be sure that when you tap, you do so only on the raised boss next to the crankshaft to prevent cracking the bearing carrier. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 9 Step 11. Install the piston over the rod assembly and push the piston pin through the rod (as shown). QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 10 QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 11 This completes the reassembly of the QRD model compressor. If you have any questions, contact the Quincy Compressor Service Department at (217)222-7700. QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 12 4.75 111588 0.216 111745 0.218 (post 7/90) 101-103 4.75 112372 0.117 111745 0.218 4.75 112372 0.117 111745 0.180 105-108 4.75 112372 0.117 113763-475 0.218 QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 13 Radial Change Dia. Part # Part # Thickness Thickness 7.12 (LP) 113762-712 0.117 113763-712 0.218 100 & 101 4 (HP) 113762-400 0.117 113763-400 0.218 QRD Teardown & Rebuild Quincy Compressor 50117-105, November 2008 3501 Wismann Lane, Quincy IL - 62305-3116...
- Page 14 Reciprocating / Systems: Reciprocating / Systems: Reciprocating / Systems: Reciprocating / Systems: Reciprocating / Systems: 217.222.7700 E-mail: E-mail: E-mail: info@quincycompressor.com E-mail: E-mail: Website: Website: Website: Website: Website: quincycompressor.com...
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