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Disassembly / Reassembly (to reassemble, follow procedures in reverse)
Part & No.
VA VAS
Cover Bolt 5
◯
−
Cap Nut 12
−
◯
Cover 2
−
Union 11
−
Cover
◯
−
Gasket 4
Union
−
Gasket 14
Set Screw 8
◯
−
Valve Seat
◯
−
Retainer 7
Valve Seat
Holder 7
−
Valve Seat 6
◯
Valve Seat
−
Gasket 13
Float 3
◯
Snap Ring 10
◯
Float Guide 9
◯
"O" indicates which models contain which part
Model
(Size mm / in)
N·m
VA1
35
VA3
35
VA4
80
200
VA5
VAS
50
/
/
(20 - 15 /
-
)
3
1
4
2
VAS
80
/
(40 - 25 / 1
- 1)
1
2
If drawings or other special documentation were supplied for the product, any torque given there
takes precedence over values shown here.
Disassembly
Remove with a socket wrench
◯
Remove, being careful not to
scratch the gasket sealing
◯
surface
Remove carefully, being careful
not to scratch the sealing surfaces
◯
Remove with a screwdriver
Remove being careful not to
scratch or deform
Remove with a socket wrench
◯
Remove together with valve seat
retainer / holder, being careful not
◯
to scratch sealing surfaces
Remove if damaged
◯
Remove, being careful not to
◯
scratch the polished surface
Remove with appropriate pliers
◯
Remove without misshaping
◯
Tightening Torque and Distance Across Flats
Cover Bolt / Cap Nut
Torque
Distance Across Flats
(lbf·ft)
mm
(26)
17
(26)
17
(59)
24
(150)
36
(37)
55
(59)
75
Consult the table of tightening
torques and tighten to the proper
torque
Make sure there are no pieces of
the old gasket left on the sealing
surfaces and reattach
Replace with a new gasket if
damaged; make sure there are no
pieces of the old gasket left on the
sealing surfaces of the body
Consult the table of tightening
torques and tighten to the proper
torque
Reattach together with the valve
seat
Consult the table of tightening
torques and tighten to the proper
torque
Replace with a new a valve seat if
warped or damaged
Replace with a new gasket if
damaged
Insert, being careful not to scratch
or misshape
Insert securely into groove
Insert, being careful not to
misshape
Set Screw / Valve Seat Holder
Torque
(in)
(lbf·ft)
N·m
/
(
)
(0.22)
21
0.3
32
/
(
)
(0.37)
0.5
21
32
/
(
)
(0.59)
15
0.8
16
/
(1
)
6
3
32
/
(2
)
5
20
32
(3)
35
̶ 8 ̶
Reassembly
Distance Across Flats
mm
+
+
+
+
(4.4)
(15)
(
17
(26)
(1
27
1 N·m 〜 〜 10 kg· cm
(in)
+
+
+
+
/
)
21
32
/
)
1
16
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Table des Matières
