Emerson Tartarini PRX Series - Pilot Adjustment and Maintenance Procedures; PRX;120 and PRX;125 Pilot Adjustment; Restrictor and Damper Screw Tuning; Pilot Shutdown and General Maintenance

5
PRX Series
PARTS LISTS
Type PRX/120, PRX/125,
PRX-AP/120 and PRX-AP/125 Pilots
(See Figure 4)
Item Description
1 Adjusting screw
2 Nut
3 Cap
4* O-ring
5* O-ring
6 Spring carrier plate
7 Spring
8 Upper cover
9 Spring carrier plate
10 Screw
11 Washer
12 Filter
13 Plate
14* Diaphragm
15 Plate
16 Body
17* O-ring
18* O-ring
19 Seat
20 Nut
21 Lower cover
22* Pad holder unit
23 Stem
24 Plate
25* O-ring
26 Nut
27 Adjusting screw
28* O-ring
29 Plate
30 Ring nut
31 Screw
32 Adjusting screw with hole
33 Plug
34 Plug
35 Spring barrel extension for AP version
Type PRX/181, PRX/182 Pilots and
PRX/131 Booster Valve
(See Figure 5)
Item Description
1 Adjusting screw
2 Nut
3 Cap
4* O-ring
5* O-ring
6 Spring carrier plate
7 Spring
8 Upper cover
9 Spring carrier plate
10 Screw
11 Washer
12 Filter
13 Plate
14* Diaphragm
15 Plate
16 Body
17* O-ring
18* O-ring
19 Seat
20 Nut
21 Lower cover
Item Description
22* Pad holder unit
23 Stem
24 Plate
25* O-ring
26 Nut
28* O-ring
29 Plate
31 Screw
33 Plug
34 Plug
Type PRX/181-PN and PRX/182-PN Pilots
(See Figure 6)
Item Description
36 Lower cover
37* O-ring
38 Special connection
Rubber parts marked with (*) are supplied in the “spare parts
kit”, recommended as stock.
To order the kit it is necessary to communicate to us the type
of the pilot and its serial number.