Instruction Manual

Maintenance & Service 47
4.4 ORION 3A Valve Assembly Parts List
The following table lists the component parts of the Orion 3A and the pullout 11x17 drawing on the next page
illustrates the Orion 3A 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 57600 Bushing, End 1
13 58554 Cap, End 1
14 58699 Shaft 1
15 58597 Piston 1
16 59309 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 58464 Setscrew, 12-24NCx1/4 SST 14
22 58308 Ball, Tungsten Carbide 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 55569 O-ring, Fluorocarbon (Viton) color black w/white dot 5
28 55552 O-ring, Fluorocarbon (Viton) color black w/white dot 4
29 58090 O-ring, Fluorocarbon (Viton) color black w/white dot 1
30 60633 Retainer, Packing Backup 4
31 55570 Washer, Backing 4
32 58045 O-ring, Fluorocarbon (Viton) color black w/white dot 1
33 59245 Washer, Nylon 2
34 60202 Setscrew, hex 2
35 60837 Screw, MACH #10- 32NF SST 2
36 54905 Screw, Self Sealing 1
38 57027 Washer, Backup 1
39 54448 Retainer, Packing backup 1
40 55615 O-ring, Fluorocarbon (Viton) color black w/white dot 1
41 58314 Ball, chrome, steel 32
42 59731 Male connector, 1/8 tube x 1/8 NPT, stainless steel 3