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Body, Cover
Gaskets
Air Vent Strip
Screen
Float
Orifice
Disassembly / Reassembly (to reassemble, follow procedures in reverse)
Part & No.
Cover Bolt 8
Remove with a socket wrench
Cover 2
Remove carefully; take care to
prevent any damage to the float,
which may fall out when the cover
is removed
Cover Gasket 7
SS1NL/SS1VL:
Remove if damaged
SS1NH/SS1VH:
Remove gasket and clean sealing
surfaces of cover and body
Float 3
Remove, being careful not to
scratch its polished surface
Screen 6
Remove the 2 screws with a Philips
(with Screws 10
screwdriver, then remove the
and Washers 11)
screen without bending
Connector 13
Remove connector
Air Vent strip 9
Remove the screw with a Philips
(with Screw 10
screwdriver, then remove the air
and Washer 11)
vent strip without bending
Orifice 4
Remove with a socket wrench
Orifice Gasket 5
Remove gasket and clean sealing
surfaces
Note: Do not change the
position of the float
guides. Tight sealing
cannot be guaranteed
if the float guides have
been moved out of
position.
Cover Bolt 8
N . m
(lbf . ft)
mm
(33)
45
17
If drawings or other special documentation were supplied for the product, any torque given there
takes precedence over values shown here.
Parts Inspection Procedure
Check inside for damage, dirt, grease, oil film, rust or scale
Check for warping or damage
Check for damage
Check for clogging, corrosion or damage
Check for deformation, damage, oil film or water inside
Check for rust, scale, oil film, wear or damage
Disassembly
Figure A
Connector
Tightening Torque and Distance Across Flats
Orifice 4
N . m
(lbf . ft)
(in)
(
)
21
/
(15)
20
32
̶ 10 ̶
Reassembly
Coat threads with anti-seize and
tighten to the proper torque
Make sure the sealing surfaces are clean
and then reattach; be careful not to bend
the float guides (SS1VL/SS1VH only);
(Fig. A)
Replace with a new gasket if worn or
damaged
Replace with a new gasket, do not apply
anti-seize
Place inside the body (or on the cover), being
careful not to scratch its polished surface
Remove any scale build-up on the surface and
then reassemble (Fig. B); tighten screws to the
proper torque.
Reinstall connector
Reinstall air vent strip without bending;
tighten screw to the proper torque
Coat threads with anti-seize and
tighten to the proper torque
Apply anti-seize to both sides and
replace with a new gasket
Cover Gasket
Float Guides
Screen
Screw &
Washer
N . m
mm
(in)
(
)
1
/
13
0.3
2
Figure B
Screw 10
(lbf . ft)
mm
(in)
(0.22)
+
+
〜 〜
1 N . m
·
10 kg
cm
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