LF860, LF866, LF880V, LF886V
Relief Valve
Size: 2
1
⁄
2
" - 10"
IS-F-860-DIAPH
INSTALLATION INSTRUCTIONS
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can
result in death, serious personal injury, property damage, or
damage to the equipment.
Keep this Manual for future reference.
O-Ring
Upper guide
Inner diaphragm
retainer
4x Inner diaphragm
retainer screw
Round edge of bead
to seat in groove of
upper guide
Inner diaphragm plate
Torque hand-tight to
11-16 in-lbf (1.2 - 1.8 N-m)
DO NOT OVER-TIGHTEN
Inner diaphragm
Fabric side to be on
outside of part at installation
NOTICE
Proper installation of FEBCO Relief Valve Inner Diaphragm into the Relief Valve
Upper Guide for Models LF860, LF866, LF880V, LF886V
Failure to install inner diaphragm in this method will result in the inner diaphragm burst-
ing after installation.
NOTICE
