3. Hold the adjusting screw in place with a flat-head screwdriver and remove the locknut slowly
in case of any additional steam leakage.
4. Check the current set position of the adjusting screw. Check and record the number of turns
required to return to the standard factory setting (when points (A) and (B) are even with each
other as shown on page 9).
5. Use a flat-head screwdriver to slowly turn the adjusting screw clockwise (to tighten) until it
stops. (This causes the cleaning edge of the stem to reach the valve seat and loosen debris).
6. Slowly turn the adjusting screw counterclockwise (to loosen) until it stops. (This will allow
flushing once the steam is safely turned on using the instructions that follow).
7. Replace the cap nut and tighten it to the proper torque (see page 13).
8. First fully open the outlet isolation valve, and then slowly and carefully open the inlet isolation
valve – checking for any steam leaks. In the event steam leaks are detected, immediately
close the inlet isolation valve, then the outlet isolation valve, and repair the source of leakage.
9. Wait 10 seconds to allow any loose scale to be flushed internally. Be aware of any external
steam leak – including the outlet connection if opened to atmosphere. Be careful to not come
in contact with any steam that is discharging from an open outlet connection. If any steam
leaks are detected elsewhere on the trap or piping, immediately close the inlet isolation valve,
then the outlet isolation valve, and repair the source of leakage.
10. Next, prepare to set the trap temperature again by first isolating the trap and safely relieving
all steam pressure from the trap as follows.
11. First close the inlet isolation valve, followed by then closing the outlet isolation valve. Wait
until the inlet pressure equals atmospheric pressure. (When the trap body temperature cools
to room temperature)
12. Hold the cover with one wrench and use another wrench to slowly remove the cap nut as in
step 2 above.
13. Slowly turn the adjusting screw clockwise (to tighten) to return to the original position
checked in step 4 above.
14. Replace the locknut. Hold the adjusting screw in place with a flat-head screwdriver and
tighten the locknut securely.
15. Replace the cap nut and tighten it to the proper torque (see page 13).
16. First fully open the outlet isolation valve, followed by then slowly opening the inlet isolation
valve – carefully checking for any steam leaks. In the event steam leaks are detected,
immediately close the inlet isolation valve, then the outlet isolation valve, and repair the
source of leakage.
17. Check the temperature setting by observing an inline temperature sensor or by measuring
the temperature at the wrench flat on the trap's inlet side at least 30 minutes after supplying
steam with the new setting. The trap set temperature will be approximately 10 to 20 °C (20 to
40 °F) higher than the temperature reading on the trap body surface. If the resultant
temperature is not as desired, use the instructions for adjusting temperature settings (see
page 9).
10. Inspection and Maintenance
Operational inspections should be performed at least twice per year, or as called for by trap
operating conditions. Steam trap failure may result in temperature drop in the equipment, poor
product quality or losses due to steam leakage.
CAUTION
• Installation, inspection, maintenance, repairs, disassembly, adjustment
and valve opening/closing should be carried out only by trained
maintenance personnel.
• Before attempting to open the trap, close the isolation valves and wait
until the trap has cooled completely. Failure to do so may result in
burns.
• Be sure to use the proper components and NEVER attempt to modify
the product.
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