Instruction Manual

Maintenance & Service 45
4.3 ORION 2C Valve Assembly Parts List
The following table lists the component parts of the Orion 2C and the pullout 11x17 drawing on the next page
illustrates the Orion 2C exploded view of those parts.
Ref
Number
PN Description Quantity
1 57482 Valve Needle Housing Nut 2
2 54401 Locknut 2
3 58079 Knob 2
4 57889 Knob,Insert 2
5 57256 Gear, Spur 40 Teeth 2
6 59233 Gear, Spur 18-tooth 2
7 55896 Valve Seat 4
8 59387 Valve Seat,Stem 4
9 59045 Valve, Needle Seat 4
10 54540 Housing, Valve Needle 2
11 59551 Valve Needle 2
12 57906 Bushing, End 1
13 59378 Cap, End 1
14 59495 Shaft 1
15 59241 Piston 1
16 55714 Body, Dual Valve 1
17 57580 Knob 1
18 55533 Valve Needle 2
19 55159 Housing, Valve Needle 2
20 56784 Locknut, 9/16-18UNF-3A, SST 1
21 59845 Plug, Expansion , .1562 +.0000/-.0012 Hole Diameter 14
23 59383 Setscrew, 6-32NCx1/8 SST 4
24 58342 Screw, Cap Hex Socket Head, #2-56UNC-3A 6
25 59322 Setscrew, 6-32NCx1/4 SST 6
26 59326 Setscrew, 2-56NCx1/8, alloy steel 4
27 55554 O-ring, AS568A Dash No 010, Buna N (Nitrile) 70 Durometer Color Black 5
28 55536 O-ring, AS568A Dash No 002, Buna N (Nitrile) 70 Durometer Color Black 4
29 55573 O-ring, AS568A Dash No 117, Buna N (Nitrile) 70 Durometer Color Black 1
30 60633 Retainer, Packing Backup , Single Turn Tetrafluoroethylene 4
31 55570 Washer, Backing .04 Thick, Tetrafluoroethylene Resin 4
32 55577 O-ring, AS568A Dash No 111, Buna N (Nitrile) 70 Durometer Color Black 1
33 59245 Washer, #8 Screw Size .187, ID x .440 OD x .040 Thick Nylon 2
34 60202 Setscrew, hex 2
35 60837 Screw, MACH Pan Head #10- 32NFx1/2 Phillips Head 300 Series SST 2
36 58976 Screw, Self Sealing,8-32 x 5/8 Modified to Print 1
38 53308 Label Roll, 1.25x1.25, Polytrans 3000 Void 3" Core 8" OD 1
41 59878 Spacer .005 thk Mylar 2
42 59880 Spacer .007 thk Mylar 2