-13
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■EPDT-292■
Trouble
Cause
Remedy
Leakage of steam to
external area of the
product.
Leakage from gasket [3]
between body [1] and cover
[2].
Replace gasket [3]. (See Fig. 8.4.4.)
Leakage from gasket [7]
between vent valve seat [5]
and cover [2].
Replace gasket [7]. (See Fig. 8.4.4.)
Leakage from gasket [11]
between cap [10] and cover
[2].
Replace gasket [11]. (See Fig. 8.4.4.)
Leakage from square head
plug [14].
Remove square head plug [14], replace
seal tape with a new one and fit the plug
again.
8.4 Disassembly/assembly methods
8.4.1 Warning and caution for disassembly/assembly (See Fig. 8 for the numbers inside
the brackets [ ]).
Warning
1. Be sure to release internal pressure of the product, pipes and devices completely and cool down
the product before disassembly and inspection. Do not touch the product by bare hands until it is
cooled down completely.
* Failure to follow this notice may cause injury or burn by residual pressure.
Caution
1. Use a container to receive condensate that flows out when performing disassembly.
* Failure to follow this notice may stain peripheral devices by condensate.
2. Confirm that seats including inlet valve P [6], vent valve P [4] and vent valve seat [5] are free from
scratches, dents and stains. Clean if stained. Replace scratched, dented parts.
* They may cause malfunction.
3. In assembly, fit parts firmly and tighten bolts evenly and diagonally to prevent uneven torque.
* Loose fitting and uneven tightening may cause malfunction or external leakage.
4. Be sure to use specified parts to repair the product. Never remodel the product.
*
Failure to follow this notice may cause scalds or injury due to breakage of the product, blowout of
steam or condensate, or abnormal behavior
.
5. Replace gaskets with new ones at the time of assembly.
* They are consumables. Using old one, replaced gaskets again may cause external leakage.
