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
Operational Check
A visual inspection of the following items should be done on a daily basis to determine
whether the trap is operating properly or has failed. Periodically (at least biannually) the
operation should also be checked by using diagnostic equipment, such as a
stethoscope, thermometer, TLV Pocket TrapMan or TLV TrapMan.
If the trap should fail, it may cause damage to piping and equipment, resulting in faulty
or low quality products or losses due to steam leakage.
Normal:
Condensate is discharged continuously, together with flash
steam, and the sound of flow can be heard.
Blocked:
(Discharge Impossible)
No condensate is discharged. The trap is quiet and makes
no noise, and the surface temperature of the trap is low.
Blowing:
Live steam continually flows from the outlet and there is a
continuous metallic sound.
Steam Leakage:
Live steam is discharged through the trap outlet together
with condensate, accompanied by a high-pitched sound.
(When conducting a visual inspection, flash steam is sometimes mistaken for steam
leakage. For this reason, the use of a steam trap diagnostic instrument [TLV: TrapMan]
in conjunction with the visual inspection is highly recommended.)
Flash Steam
Live Steam Leakage
Clear, slightly
bluish jet
White jet
containing
water droplets
Parts Inspection
When parts have been removed, or during periodic inspections, use the following table
to inspect the parts and replace any that are found to be defective.
Procedure
Screen: check for clogging or corrosion damage
Surface where orifice and float meet: check for scratches
Float: check for scratches or deformation
Check for build-up inside the body
Orifice Opening: check for dirt, oil film, wear or scratches
172-65486MA-00 (SH5VL) 5 Sep 2012
