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Disassembly / Reassembly (to reassemble, follow procedures in reverse)
Part & No.
Union Nut 3
Hold the trap body with one
hand and unscrew the union
nut with a pipe wrench;
remove the body downward
The cover can be left
Cover 2
connected to the piping if
enough space is available to
inspect it from below
Screen 5
Remove the screen from the
body
Cover Gasket 6
Remove the gasket
Float 4
Remove carefully; do not
scratch its surface
Valve Seat
Using a hex wrench, remove
Holder 9
the valve seat holder and
the valve seat together
Holder Gasket 8
Remove the holder gasket
Remove from valve seat
Valve Seat 7
holder
Guard Bushing 14
Unscrew by hand
Snap Ring 12
Remove with snap ring
pliers
Plunger 13
Pull out from valve seat
holder
Plunger O-ring 11
Carefully remove plunger
O-ring
Coil Spring 10
Remove from plunger
Tightening Torque T
and Distance Across
Union Nut 3
Valve Seat holder 9
Guard Bushing 14
* Diameter
During Disassembly
Flats D
̶ 10 ̶
During Reassembly
Hold the trap body against the cover from
below with one hand and hand tighten the
union nut with the other hand; then tighten it
to the proper torque (see torque table below)
Insert the screen into its groove in the rim on
the body
Replace only if found to be deformed or
damaged
Carefully insert the float; do not scratch its
surface
Tighten to the proper torque (see torque
table below)
Replace only if found to be deformed or
damaged
Replace only if found to be worn or
damaged
Hand tighten guard bushing
Reinstall with snap ring pliers
Insert into valve seat holder
Replace only if found to be deformed or
damaged; coat with heat-resistant grease
Reinstall onto plunger
JA3D
T
N
m
mm (in)
(lbf
ft)
•
•
20
(15)
80*
5
(3.7)
14
Hand tighten
〜 〜
1 N
m
10 kg
•
D
(
3
/
)
3
16
(
9
/
)
16
̶
cm
•
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