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6.8 Reassembly
Assemble the unit using the same procedure as used for dismantling it, but in reverse order.
1. Standard torque for fastening the respective bolts are as follows:
Part
Bolt for Spring Housing / Pilot Body
Pilot Valve Seat
Pilot Screen Holder
Bolt for
Pilot Body / Main Body
Bolt for Pilot Body / Pilot Cover
Bolt for
Pilot Cover / Main Body
Bolt for
Main Body / Trap Body
(COS only)
Bolt for
Trap Body / Trap Cover
(COS only)
Main Valve Seat
Bolt for
Main Valve Seat
Bolt for
Float Cover
(COS only)
Trap Valve Seat
(COS only)
Cover Plug
(COSR only)
Bolt for
Cover / Main Body
(COSR only)
Sizes 125 and 150 mm (5" and 6") available for COSR only
Note: If a torque greater than that recommended is applied, the COS/COSR or components
may be damaged.
If drawings or other special documentation were supplied for the product, any torque given
there takes precedence over values shown here.
Connection Size Distance Across Flats Tightening Torque
mm
(inch)
All
All
All
15 – 40
(
– 1 )
/
/
1
1
2
2
50
(2)
65 – 150
(2
– 4)
/
1
2
65, 80
(2 , 3)
/
1
2
100, 125
(4, 5)
150
(6)
15 – 40
(
– 1 )
/
/
1
1
2
2
50 – 80
(2 – 3)
100
(4)
15 – 40
(
– 1 )
/
/
1
1
2
2
50 – 80
(2 – 3)
100
(4)
15, 20
(
,
)
/
/
1
3
2
4
25
(1)
32, 40
(1 ,1 )
/
/
1
1
4
2
50
(2)
65, 80
(2 , 3)
/
1
2
100, 125
(4, 5)
150
(6)
15, 20
(
,
)
/
/
1
3
2
4
25 – 40
(1 – 1 )
/
1
2
50 – 100
(2 – 4)
15, 20
(
,
)
/
/
1
3
2
4
25 – 40
(1 – 1 )
/
1
2
50 – 80
(2 – 3)
100
(4)
15, 20
(
,
)
/
/
1
3
2
4
25
(1)
15 – 25
(
– 1)
/
1
2
32, 40
(1 , 1 )
/
/
1
1
4
2
50 – 80
(2 – 3)
100, 125
(4, 5)
150
(6)
̶ 21 ̶
mm
(inch)
N ・ m
17
(
)
40
/
21
32
19
(
)
70
/
3
4
24
(
)
40
/
15
16
17
60
(
)
/
21
32
19
(
)
70
/
3
4
17
(
)
60
/
21
32
19
(
)
70
/
3
4
24
(
)
150
/
15
16
36
300
(1
)
/
3
32
17
60
(
)
/
21
32
19
(
)
70
/
3
4
24
(
)
150
/
15
16
17
(
)
60
/
21
32
19
(
)
70
/
3
4
24
150
(
)
/
15
16
36
(1
)
100
/
3
32
41
(1 )
125
/
5
8
60
(2 )
250
/
3
8
70
(2 )
300
/
3
4
13
30
(
)
/
1
2
17
(
)
40
/
21
32
22
(
)
70
/
7
8
8
(
)
7
/
5
16
10
(
)
10
/
3
8
13
(
)
20
/
1
2
11
10
(
)
/
7
16
13
( )
15
/
1
2
17
(
)
40
/
21
32
19
( )
55
/
3
4
41
(1 )
250
/
5
8
46
350
(1
)
/
13
16
17
(
)
60
/
21
32
17
(
)
60
/
21
32
19
( )
70
/
3
4
24
(
)
150
/
15
16
36
(1
)
300
/
3
32
1 N ・ m ≈ 10 kg ・ cm
(lbf ・ ft)
(29)
(51)
(29)
(44)
(51)
(44)
(51)
(110)
(220)
(44)
(51)
(110)
(44)
(51)
(110)
(73)
(92)
(185)
(220)
(22)
(29)
(51)
(5)
(7)
(15)
(7)
(11)
(29)
(40)
(185)
(260)
(44)
(44)
(51)
(110)
(220)
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