172-65694MA-01 (BD800) 25 Jul 2018
8
Maintenance
Take measures to prevent people from coming into direct contact with
product outlets. Failure to do so may result in burns or other injury from
the discharge of fluids.
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 place weight on top of the spanner cap. The product is not
designed to be climbed on by people. Failure to observe this precaution
may result in damage to the spanner cap or injury.
CAUTION
When using the spanner cap, be sure to use heat-resistant gloves.
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
Periodic Inspection
Periodic inspection for the following points is recommended at least twice per year:
・
Leakage when the valve is fully closed
・
Leakage from the gland holder
The spanner cap has a blow hole at the bottom. Fluid jets
from the hole when there is leakage from the gland.
Take safety precautions when performing this inspection.
・
Leakage from the bonnet gasket
Retightening of the Gland Section
The gland holder can be retightened. When fluid leaks from the gland section,
retighten the gland holder by following the steps below. Make sure that the valve is in
the fully closed position when tightening the gland section.
1. Remove the spanner cap by turning it counter-clockwise.
Spanner Cap
2. Tighten the gland holder.
The gland holder can be tightened with the spanner cap as well as a spanner
wrench with a distance across flats of 22 mm (
7
/
8
in). Tighten as necessary.
Spanner Cap
Spanner Wrench
Valve Stem
Gland Holder
Blow hole
