Quincy Compressor 310 - Page 25

QR 310 Quincy Compressor
50214-105, March 2005 24 3501 Wismann Lane, Quincy IL - 62305-3116
HEAD ASSEMBLHEAD ASSEMBL
HEAD ASSEMBLHEAD ASSEMBL
HEAD ASSEMBL
Y 1907UY 1907U
Y 1907UY 1907U
Y 1907U
(control version L)
ItemItem
ItemItem
Item
PartPart
PartPart
Part
NumberNumber
NumberNumber
Number
Qty.Qty.
Qty.Qty.
Qty.
NumberNumber
NumberNumber
Number
DescriptionDescription
DescriptionDescription
Description
1 1 1907 head
2 2 4610X1 suction valve assembly
2.1 1 4610 valveseat
2.2 1 1549 valve bumper
2.3 1 1552-001 valve disc
2.4 1 1202 valve spring
3 1 6945 plunger spring
4 1 6937 unloader plunger
5 4 3008 holddown screw/ (@ 60 ft.-lbs.)
6 4 1556 gasket, valve
7 1 7532X unloader piston assembly
8 1 40055 unloader assembly (@ 75 ft.-lbs.) (N.S.S.; order 7483X)
8.1 1 7483 unloader body
8.2 1 1855 diaphragm
8.3 1 1818B diaphragm cover plate
8.4 1 5910 diaphragm disc
8.5 6 7499 hex. screw, 1/4-20 unc x .75, grade 2 (@ 72 in.-lbs.)
9 2 1553X3 discharge valve assembly
9.1 1 1553 valve seat
9.2 1 3010 valve bumper
9.3 1 1552-001 valve disc
9.4 1 1368 valve spring
10 3 1555 valv cover cap
11 1 2961-100 pressure relief valve
12 1 2709 elbow compression fitting, 5/16 tube x 1/8 npt, 90°
13 4 1554 gasket, valve
4610X Replacement Suction Valve Assembly
includes suction valve assembly & valve gasket
1553X1 Replacement Discharge Valve Assembly
includes discharge valve assembly & valve gasket
7483X Replacement Unloader Assembly
includes unloader assembly, unloader piston assembly, valve gasket & pipe plug
*
Maintenance PartsMaintenance Parts
Maintenance PartsMaintenance Parts
Maintenance Parts
*High pressure compressors and DNV certified applications require 1907HPS head in lieu of 1907 head.
@ 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.