INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. T
Pilot-Operated Safety Relief Valve Page 2 of 43
TABLE OF CONTENTS
Topic Page
1.0 General ................................................................................................ 3
2.0 Description, Operation, Service Envelope, Installation, & Startup
2.1 Description / Operation ........................................................................ 5
2.2 Service Envelope ................................................................................. 5
2.3 Storage and Handling .......................................................................... 6
2.4 Installation ............................................................................................ 7
2.5 Remote Sense / Field Test Connection ................................................ 8
2.6 Set Pressure Considerations for Backpressure ................................... 8
2.7 Startup ................................................................................................. 10
3.0 Main Valve Maintenance
3.1 Disassembly of the F7000/8000 Series Main Valve ............................. 10
3.2 Reassembly of the F7000/8000 Series Main Valve.............................. 12
4.0 Pilot Valve Maintenance
4.1 F100 Pilot Valve ................................................................................... 13
4.2 F200 Pilot Valve ................................................................................... 15
4.3 F300 Pilot Valve, Diaphragm-Style (15 to 500 psig) ............................. 17
4.4 F300 Pilot Valve, Piston-Style (286 to 6000 psig) ................................ 20
4.5 F500 Pilot Valve ................................................................................... 23
5.0 Pilot Valve Set Pressure Adjustment
5.1 Definition / Tolerance................................................................ ............ 28
5.2 Pressure Adjustment / Verification........................................................ 28
5.3 F100 Pilot Valve Adjustment................................................................ . 30
5.4 F200 Pilot Valve Adjustment ................................................................ 30
5.5 F300 Pilot Valve Adjustment ................................................................ 31
5.6 F500 Pilot Valve Adjustment ................................................................ 32
5.7 Pilot Auxiliary Setter Adjustment .......................................................... 33
6.0 Supplemental Testing and Accessories
6.1 Testing of the Main Valve Subassembly .............................................. 34
6.2 Final Assembly Testing ........................................................................ 35
6.3 F300 Pilot Valve Proportional Band Adjustment................................... 35
6.4 Inservice Testing with the Field Test Connection ................................. 36
6.5 Harguard Clean Pilot Supply Tank ....................................................... 38
7.0 Troubleshooting Guide .......................................... .............................. 39
8.0 Softgoods Kits
8.1 Main Valve Softgoods .......................................................................... 40
8.2 Pilot Valve Softgoods .......................................... ................................ 41
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