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Disassembly/Reassembly (to reassemble, follow procedures in reverse)
Part & No.
Spring Pin 12
Screen 14
Spring Guide 19
Overexpansion Spring 9
Valve Seat 7
Valve Seat Gasket 8
Screen Holder 29
Screen Holder
Gasket 28
Screens 14 & 27
Part Name & No.
Cap Nut 16
Cover 2
Connector Bolt 30
Valve Seat 7
Screen Holder F46 (all connections and sizes) 29
Screwed,
Screen
Socket Welded
Holder
(F32) 29
Flanged
NOTE: - Coat all threaded portions with anti-seize.
- If drawings or other special documentation were supplied for the product, any torque
given there takes precedence over values shown here.
10.1 Separating/Attaching Trap and Connector Bodies
1.
Loosen and remove the connector bolts, remove the entire trap unit from the connector body
and take it to a repair area where it can be supported in a vise during disassembly.
2. A When reinstalling the original trap:
a. Using a small screwdriver, remove the old gaskets from their housings in the trap body,
then clean the housings.
b. New connector gaskets must be installed.
c. To facilitate assembly and prevent loosening of the gaskets, apply a small amount of
suitable adhesive at 120˚ intervals around the outer edge of the gaskets.
d. Holding the trap body so that the gasket housings are horizontal, place the gaskets into
the housings.
2. B When installing a replacement trap:
a. Be sure to remove all protective seals, making sure the connector gaskets are still in place
after having removed their seal.
b. Before installation, scrape the mounting surface of the connector body clean using a soft
tool.
3.
Align the bottom edge of the trap body with that of the connector body (see Fig. A), making
sure the gasket housings on the trap body align with the corresponding recesses in the
connector body. Maintaining the proper alignment, close the tops together until the two
faces are flush, making sure that connector gaskets remain in position.
4.
Insert the connector bolts and finger-tighten, keeping
trap and connector bodies flush. Tighten the connector
bolts to the proper torque.
During Disassembly
Remove from the valve stem only
if damaged
Remove without bending
Remove from the trap body
Remove from the trap body
Remove with a socket wrench,
being careful not to scratch the
sealing surfaces
Remove and clean sealing
surfaces
Use a socket wrench to
remove
Remove the gasket and
clean the sealing surface
Remove without bending
Tightening Torque and Distance Across Flats
1
/
15, 20 mm (
",
2
25 mm
( 1")
1
/
15 – 25 mm (
" - 1")
2
― 13 ―
During Reassembly
Replace with new if damaged
Reinsert without bending
Reinsert with proper orientation
Reinsert
Consult the table of tightening torques
and tighten to the proper torque; be
careful not to scratch seating surfaces
Replace with a new gasket; coat
surfaces with anti-seize
Coat threads with anti-seize, then
tighten to the proper torque
Replace with a new gasket, apply anti-
seize to both surfaces
Insert without bending
Torque
N . m
(lbf . ft)
35
(26)
250
(185)
39
(28)
30
(22)
100
(73)
3
/
")
60
(43)
4
150
(110)
60
(43)
Figure A
Distance Across Flats
mm
(in)
15
/
24
(
)
16
13
/
46
(1
)
16
9
/
14
(
)
16
3
/
19
(
)
4
3
/
30
(1
)
16
7
/
22
(
)
8
1
/
38
(1
)
2
7
/
22
(
)
8
1 N . m
〜 〜
10 kg ・ cm
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