Datasheet

6) Pressure gauge adaptor assembly, Plug assembly
Applicable model
Process
Disassembly
1) Remove the plug.
Nominal ：
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
2) Remove the pressure gauge adaptor.
Assembly
3)
4) Mount pressure gauge adaptor.
5) Mount plug assembly.
Nominal ：
Tightening torque ：
AR20K-B AR20K-B
AR25K-B AR25K-B
AR30K-B AR30K-B
AR40K-B AR40K-B
AR50K-B AR50K-B
AR60K-B AR60K-B
7) Check valve assembly
Applicable model
Process
Disassembly
1)
Remove the check valve cover.
Procedure Tools Check item
See Check item for tightening torque of two
screws.
Cross pointed
driver
（ Torque driver ）
See Check item for tightening torque of two
screws.
Cross pointed
driver
Procedure Tools Check item
Tightening torque ：
0.6 ± 0.05 N ・ m
Confirm pressure gauge adaptor has "O" ring. If
not, mount "O" ring.
－ －
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
Spanner
－
Insert the hexagon spanner to hexagon hole of
hexagon plug. Rotate the plug counterclockwise to
remove the plug.
Insert hexagon spanner into hexagon hole on the
plug and rotate clockwise to fix the plug.
－
Spanner
4
4 0.6±0.05 N ・ m
Rotate two screws clockwise by Phillips driver to
fix pressure gauge adaptor.
Rotate two set screws counterclockwise with cross
pointed driver to remove the pressure gauge and
two set screws.
Disassembly
1)
Remove the check valve cover.
2)
Assembly
3)
4)
5) Mount the check valve cover.
Insert convex of the check body assembly into two
"O" ring mounting holes on the main body
respectively.
－
Orientation of check valve
body assembly
Rotate two screws clockwise by cross pointed
driver to fix check valve cover.
Cross pointed
driver
（ Torque driver ）
Tightening torque ：
0.6 ± 0.05 N ・ m
See Check item for tightening torque of two
screws.
－
At this time, confirm two "O" rings are mounted in
place on the main body.
－ －
Confirm body has ゛ O" ring (2pcs). If not, mount
"O" ring.
Rotate two set screws counterclockwise with cross
pointed driver to remove the check valve cover
and two set screws.
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
－
Remove check vavle body assembly from main
body.
Cross pointed
driver
－
12