Assembly (Type-II) Manual

LF860, LF866, LF880V, LF886V

Relief Valve

Size: 2

⁄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

PAGE 1
IS-F-860-DIAPH INS TA LLA TI ON INST RUCT IONS LF860, LF866, LF880V, LF886V Relief Valve Size: 21⁄2" - 10" ! 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.
PAGE 2
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.watts.com/prop65 Limited Warranty: FEBCO (the “Company”) warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment.