Quincy Compressor QRNG Series, Parts Manual, Page: 11 / 24

QRNG 350 Quincy Compressor
50163-104, February 2008 9 3501 Wismann Lane, Quincy IL - 62305-3116
CONNECTING ROD & PISTON GROUP 112055-001
(high pressure)
Item Part
Number Number
Number Number
Number Qty. Qty.
Qty. Qty.
Qty. Number Number
Number Number
Number Description Description
Description Description
Description
1 1 112056-001 connecting rod assembly (N.S.S.; see maintenance parts)
1.1 1 112058 connecting rod (N.S.S.; see maintenance parts)
1.2 2 112059 needle bearing
1.3 2 1344 connecting rod bolt, 7/16-20 unc x 3.25
1.4 2 1319 connecting rod bolt washer
1.5 1 110801-001 pipe plug orifice
2 2 8649 retaining ring
3 1 110190-020 piston pin
4 1 112057 piston
5 2 112782 oil ring rail
6 1 112783 piston ring
7 1 6997 piston ring
8 2 124471-M08 locknut, 7/16-20 unf (@ 40 ft.-lbs.)
9 2 6656 connecting rod insert (sold in pairs only; see maintenance parts)
10 2 111845 piston ring
1 112057-010 piston (.010 oversize)
1 112057-020 piston (.020 oversize)
1 8168A Ring Set, HP (Standard) No Color Code
includes piston rings, piston rails, piston spring & spacer
1 5788-010 Ring Set, HP (.010 Oversize) (L. Blue)
includes all rings necessary for installing .010 oversize piston
1 5788-020 Ring Set, HP (.020 Oversize) (Yellow)
includes all rings necessary for installing .020 oversize piston
* 1 6656PR connecting rod inserts (1 pair, standard size)
* 1 6656-010PR connecting rod inserts (1 pair, .010 undersize)
112057G001 Piston Assembly (standard)
includes piston, piston pin, ring set & retaining rings
112057G010 Piston Assembly (.010 oversize)
includes piston, piston pin, ring set & retaining rings
112057G020 Piston Assembly (.020 oversize)
includes piston, piston pin, ring set & retaining rings
112058G Replacement Connecting Rod Assembly (standard)
includes connecting rod assembly, inserts & locknuts
112058G010 Replacement Connecting Rod Assembly (.010 undersize)
includes connecting rod assembly, inserts & locknuts
Maintenance Parts
N.S.S. = Not Sold Separate
@ 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.
* One pair required for each connecting rod assembly.