Parts Ordering; Parts List; Seal Kits - GE Becker HPP-5 Installation And Maintenance Manual

Model HPP-5 Single-Acting Positioner Annual Maintenance Checklist
1� ________ Soap test all diaphragm mating surfaces to check for leaks�
2� ________ Replace rubber goods using Becker Model HPP-5 Single-Acting Positioner Repair Kit (Part # 30-9601) if
necessary�
3� ________ Confirm power gas supply pressure is correct� Refer to original GE invoice paperwork for
proper power gas setting�
4� ________ Observe operation of gages and replace if defective�
5� ________ Check integrity of HPP-5 positioner seats� Varying input signal 1 psig should send one cylinder
output gauge to full power gas� Refer to Procedure 7, page 5�
6� ________ Check response of HPP-5 positioner� Varying input signal 1/4 psig should produce cylinder
output gauge differential equal to 40 percent of power gas� Refer to Procedures 6-8, page 5�
7� ________ Check range and bias of HPP-5 positioner and adjust if necessary� Refer to page 6�
8� ________ Inspect and verify proper operation of all HPP-5 positioner accessories� Refer to technical
manual included with each specific instrumentation accessory for further instruction�
NOTE: It is not necessary to replace any rubber goods in Becker instrumentation or instrumentation accessories on a regular basis�
However, common practice suggests that replacement of rubber goods on a five-year cycle basis provides adequate preventative
maintenance�

Parts Ordering

The following is provided to allow the ordering of replacement parts� Please specify the Becker instrument serial
number when ordering parts (this can be found on the stainless steel tab attached to the pilot by the 7/16 hex
head cap screws� If the instrument was supplied as a complete valve regulator package, the stainless tag attached
to the actuator piston also can provide the serial number�
Key Description
1 Pilot base
2 Lexan Cover
3 Adjusting Drum
4 Washer
5 Inside piston
6 Orifice Assembly
7 Seat Cover
8 1/2-20 Jam Nut
9 Beam Adjusting Drum
10 Diaphragm
13 1/8 Roll Pin SS
14 8-32 x 1" SHCS
15 Beam Block
16 Outside piston
17 3/16 x 1/2 Roll Pin SS
18 1/4-20 x 2-1/2 HHCS
19 Gauge Manifold
20 O-Ring –012
21 1/4-28 Jam Nut
22 Diaphragm w/ Con-
volute
23 Beam Spacer
24 1/4-20 x 1" HHCS
25 3-15 pressure car-
tridge
© 2014 General Electric Company. All rights reserved.
Part No.
30-7005
25-1034
35-1520
25-1016
35-1507
35-1015
35-1519
98-3056
25-1124
25-1213
98-2950
98-3144
25-1086
25-1018
98-3089
98-3180
35-1013
Seal Kit
95-2615
A seal kit containing diaphragms, o-rings, and seats, for the HPP-5
98-3214
positioner is available directly from GE� Simply contact GE and
order part number 30-9601�
25-1027
30-7055
98-2579
25-1082
Key Description
26 5-40 x 1/4 SHCS
27 1/4-20 x 3/4 SHCS
28 8-32 x 1/2 SHCS
29 Pilot Post S�S�
30 Double pilot Body
31 Valve Adjusting Screw
32 Balance valve as-
sembly
33 Seat assembly
34 S�S� Control tag
35 10-32 x 3/8 FHMS
36 #10 Lockwasher
37 Strainer for Balance
valve
38 Seat Spacer
39 Beam
Becker HPP-5 High Pressure Positioner Maintenance and Operation Manual | 8
Part No.
98-2629
98-3137
98-2614
35-1521
35-1504
35-1517
35-1510
01-7082
25-1061
98-2684
98-3178
35-1559
35-1526
25-1084