Datasheet

3) Bracket assembly, panel mount
Applicable model
Process
Assembly 1) Mount the parts to the bracket (panel).
2) Settle the bracket (panel) with set nut.
Nominal Tightening torque
See check item for tightening torque. AR20K-B 34/38 AR20K-B 2.0±0.2 N ・ m
Set nut knurling surface shall face the bracket. AR25K-B 40/42 AR25K-B 2.5±0.2 N ・ m
AR30K-B 52/55 AR30K-B 3.5±0.3 N ・ m
AR40K-B 52/55 AR40K-B 4.0±0.4 N ・ m
Assembly 1) Mount the product to the bracket.
4) Square embedding type pressure gauge
Applicable model
Process
Disassembly
1) Remove the pressure gauge cover.
2) Remove the pressure gauge.
Assembly 3) Ensure "O" ring is mounted to the pressure gauge.
4) Mount the pressure gauge.
5)
Mount the pressure gauge cover.
Rotate two set screws clockwise with cross
pointed driver to set screws temporary. Then settle
them with tightening torque in check item.
Cross pointed
driver
Tightening torque ：
0.6±0.05 N ・ m
Mount "O" ring to the pressure gauge if the ring fall
off.
－
AR50K-B
AR60K-B
(Bracket
assembly)
Two mounting screws are tightened by hexagon
spanner for holding.
AR20K-B
AR25K-B
AR30K-B
AR40K-B
－ －
Mate the bracket (panel) concave and the bonnet
convex to mount the bracket.
Rotate the set nut clockwise with a hook spanner
to settle the parts to the bracket (panel).
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
Rotate the pressure gauge cover 15 degree
counterclockwise to pull out the pressure gauge
cover.
－
Procedure Tools Check item
Procedure Tools Check item
When mounting with bracket, set nut tightened
manually is adequate fir general used.
Hexagon spanner
Nominal ： 5
Reference tightening torque ：
2.6 N ・ m
Hook spanner
－ －
Rotate two set screws counterclockwise with cross
pointed driver to remove the pressure gauge and
two set screws.
Cross pointed
driver
Presence of "O" ring
5)
Mount the pressure gauge cover.
5) Round type pressure gauge
Applicable model
Process
Disassembly
1) Remove the pressure gauge.
Nominal ：
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
Assembly
2)
3) Mount the pressure gauge.
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
Spanner
Hold the pressure gauge on the spanner flat with a
spanner, and rotate it clockwise to mount the
circular pressure gauge.
See Check item for tightening torque of pressure
gauge.
12 3 ～ 5 N ・ m
12
－
AR20K-B
AR25K-B
AR30K-B
AR40K-B
AR50K-B
AR60K-B
Spanner
Hold the pressure gauge with a spanner on the
spanner flat. Then, rotate the gauge
counterclockwise to remove the gauge.
Rap the pressure gauge thread with the seal tape
leaving 1.5 to 2 threads from the end.
－
－
Wrap seal tape leaving 1.5
to 2 threads.
－
Insert the pressure gauge mating two detent of the
pressure gauge and holes for them so that the
arrow of the pressure gauge cover comes upper
right. Rotate the pressure gauge cover 15 degree
opposite to the arrow to mount the pressure
gauge.
Procedure Tools Check item
11