17
172-65443A-01 (CV-COS) 17 Nov 2014
Parts Inspection
When parts have been removed, use the following table to inspect the parts and
replace any that are found to be defective.
Inspection Item
Gasket(s): check for warping and damage
(Graphite gaskets MUST be replaced if disassembled)
Stuffing Box V-rings: check for warping or damage
Valve Plug & Stem, Valve Seat: check for damage or scratches
Separator screen: check for clogging and corrosion
Trap Valve Seat: check for scratches, dents, etc.
Float: check for scratches, dents, etc.
Table of Tightening Torques
15 mm (
1
/
2
in) 20 mm (
3
/
4
in)
25 mm (1 in) 40 mm (1
1
/
2
in) 50 mm (2 in)
Part
Torque
N·m
(lbf·ft)
Dist.
Across
Flats
mm (in)
Torque
N·m
(lbf·ft)
Dist.
Across
Flats
mm (in)
Torque
N·m
(lbf·ft)
Dist.
Across
Flats
mm (in)
Torque
N·m
(lbf·ft)
Dist.
Across
Flats
mm (in)
Torque
N·m
(lbf·ft)
Dist.
Across
Flats
mm (in)
Bolts and Nuts for
Stem Bracket Plates
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
Guide Bushing
(Valve Bonnet Section)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
Bolts for Flange
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
50
(37)
19
(
3
/
4
)
Valve Seat
100
(73)
30
(
13
/
16
)
100
(73)
30
(
13
/
16
)
125
(92)
36
(1
13
/
32
)
250
(185)
50
(1
31
/
32
)
300
(220)
60
(2
3
/
8
)
Bolts for Main Body
and Trap Body
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
70
(51)
19
(
3
/
4
)
Bolts for Float Cover
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
10
(7)
10
(
3
/
8
)
10
(7)
10
(
3
/
8
)
20
(15)
13
(
1
/
2
)
Trap Valve Seat
10
(7)
11
(
7
/
16
)
10
(7)
11
(
7
/
16
)
15
(11)
13
(
1
/
2
)
15
(11)
13
(
1
/
2
)
40
(29)
17
(
21
/
32
)
Bolts for Trap Cover
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
60
(44)
17
(
21
/
32
)
70
(51)
19
(
3
/
4
)
Nut for Actuator
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
(1 N·m
≈
10 kg·cm)