8 EPDT-192b
7. Operation procedures
7.1 Caution in operation
Warning
(1) Before letting the fluid into the product, check that there will be no possibility of danger if the
fluid flows into the ends of piping
.
*
The hot fluid, if spouted out, may scald your skin.
*
The fluid outflow may cause physical damage.
8. Maintenance procedures
8.1 Periodic self-inspection
*For part numbers, refer to “3. Dimensions, weights, and structure”
Warning
When overhauling or inspecting the product, be sure that the product and piping internal
pressures have been released to the atmosphere.
When the fluid is hot, cool the product down until it can be touched by bare hand.
*The residual pressure in the product or piping may lead to injury or burn.
Perform a self-inspection once a year on following items.
(1) Abnormalities on body [1] and receiver [2].
(2) Slackness or abnormalities on bolt [5]
(3) External leakage
If any abnormalities are found in the self-inspection, refer to “8.2 Troubleshooting” and replace the product
or parts.
8.2 Troubleshooting (See Figure 1 or 2)
Trouble
Cause
Remedy
Fluid leaks out
of the product.
Leak from gasket [4] between
body [1] and [2].
Replace gasket [4]. (Refer to 8.3)
Leak from plug [6].
Remove plug [6], replace plug and seal tape and re-
assemble.
Condensate is
not separated.
Fluid velocity in the pipe is too
high.
Review and follow velocity on Table 1.
Nozzle [3] is damaged.
Replace the product. (Nozzle and baffle plate cannot
be detached from the product.)
Baffle plate [7] is damaged. (for
150A only)
Damage
or
abnormalities
on
appearance of
the product.
Body [1] or receiver [2] has
abnormalities.
Replace the product. (Body or receiver cannot be
replaced separately.)
Bolt [5] is loose or has
abnormalities.
Detach all the bolts [5] and replace gasket [4]. (Refer
to 8.3)
Replace the bolts if they have abnormalities.
(Use replacement bolt from Yoshitake.)
Refer to “8.3 Caution in disassembly and assembly” and “8.4 Disassembly procedures” when replacing
parts.
