ARGUS
20
Installation & Operating Instructions
FK 75C and FK 76C
FK 76C Disassembly / Assembly
DANGER
Ball valve must be depressurized!
Operate the ball valve so that trapped
pressure can escape.
Only adequately qualified and instructed personnel
with adequate personal protective equipment and
tools may execute this task.
Always pay attention to dangerous fluids and
extreme surface temperature.
Use appropriate tools and hoisting gear
.
FK 76C Disassembly / Assembly
Total Disassembly
– Standard
Bring stem (31) into the CLOSED position.
Unscrew hexagon nuts (65).
Remove packing gland (67) with thrust ring (69).
Unscrew Allen head screws (15).
Remove stuffing box (11) with sealing rings (63), bearing tape (55), and sealing ring (49).
Pull out stem (31) with bearing tape (59), thrust ring (44) and compression spring (56).
Unscrew hexagon nuts (20) from the body (2).
Remove body (2) and seal ring (57) from the body (1).
Remove ball (30), counter-bearing (14) with bearing bushing (40), ball seats (50) with sealing rings (48),
thrust rings (72) as well as thrust rings (53) and compression springs (21).
Replacing Stem Sealing (Packing)
Proceed as for
Total Disassembly
until.
Remove and replace sealing rings (63).
Inspect all parts for wear and tear or for any sign of improper functioning.
Partial disassembly may be sufficient
.
For reassembly, proceed in reverse order of disassembly.
Replace the worn items by original Flowserve spare parts.
/
PEEK
