172-65143M-04 (BB1N·BBF1N) 7 Oct 2021
8
Disassembly/Reassembly
When disassembling or removing the product, wait until the internal
pressure equals atmospheric pressure and the surface of the product
has cooled to room temperature. Disassembling or removing the
product when it is hot or under pressure may lead to discharge of fluids,
causing burns, other injuries or damage.
CAUTION
Be sure to use only the recommended components when repairing the
product, and NEVER attempt to modify the product in any way. Failure to
observe these precautions may result in damage to the product or burns
or other injury due to malfunction or the discharge of fluids.
CAUTION
Do not use excessive force when connecting threaded pipes to the
product. Over-tightening may cause breakage leading to fluid
discharge, which may cause burns or other injury.
CAUTION
Use the following procedures to remove components. Use the same procedures in
reverse to reassemble.
(Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.)
Detaching/Reattaching the Handle and Valve Units
Part
During Disassembly
During Reassembly
During Inspections
Handle Bolt
Remove with a hex key
Coat threaded portions with
anti-seize, and tighten to
the proper torque
—
Bushing
Remove the bushing
Reinsert the bushing
—
Belleville
Washer
Remove the Belleville
washer
Reinsert the Belleville
washer
—
Handle
Remove the handle
Reattach the handle
Check for damage, or
deformation, particularly
the area in contact with
the spindle
(1 N·m
10 kg·cm)
