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FGX-OM-N027-B
②
-2 Set the tightening bolt to the hole and tighten it properly. (Fig. C)
③
-3 Tighten bolt. (Fig D)
Fig. C Position for V band bolt for tightening
Fig. D Final condition of the tightening of V
Warning Mount V band securely in the correct position.
Incorrect mounting leads to unexpected accidents such as the V band loosening or coming off.
7
[Restart and air release]
①
Check opening/closing of the valve of piping and confirm that connecting parts are completely sealed when restarting the product after
replacing the element.
②
When restarting the product, release air by opening the air release valve on the upper part.
2-1) Sealing part replacement
When the replacement timing of sealing parts (O ring and holder assembly) has come, replace them with
new parts.
(Refer to P8 “Replacement of the element” and P10 “Replacement of the holder assembly”
）
[Replacement timing of sealing parts] When any deterioration or swelling occurs.
When leakage occurs
1 year after starting operation.
O-ring
[Part number for replacement] FGF-KT01 (FGFS1
□
: Seal material NBR)
FGF-KT02 (FGFL1
□
: Seal material FKM)
[Replacement of O ring] Replace O ring following
steps [1] and [5] to [7] of P8 “1-2) Element replacement procedure”
(When only O ring is replaced, steps [2] to [4] are unnecessary. )
Holder Assembly
[Part number for replacement ] FGF-KT03 (FGFS1
□
: Seal material NBR)
FGF-KT04 (FGFL1
□
: Seal material FKM)
Check the model number on the model number label for ordering parts. Select the part number
which is suitable for specified model number.
[Replacement of the holder assembly] Replace the holder assembly following steps
①
to
②
of P11 “2-2) Holder
assembly replacement procedure”.
2-2) Holder assembly replacement procedure
①
Remove old holder assembly
②
Put the new holder assembly in the case with the holder slanted. (Fig. 6-1)
Mount the holder assembly so that the projection is facing upwards. (Fig. 6-2)
Caution Mount the holder assembly in the correct position and direction. Incorrect mounting leads to sealing failure.
Fig. 6-1. Holder assembly replacement
Mounted part
Fig. 6-2. Holder assembly
mounting direction
Projection---Face upward
Hole
Tightening bolt
Tightening bolt
Contact closely
Holder
O ring
Holder assembly
