Fisher 657 Sizes 80 Instruction Manual page 12

Type 657 Sizes 80 & 100
Key Description
5 Lower Diaphragm Casing, Yoke, &
Tie Rod Ass'y.
Size 100 w/group 1 springs
5H yoke boss
7 in. (178 mm) yoke boss
6 Spring
8 Cap Screw, pl steel
Size 80
w/o side-mtd handwheel (12 req'd)
w/o snubber
w/ snubber
w/side-mtd handwheel
Push-down-to-close valves (12 req'd)
w/o snubber
w/ snubber
Push-down-to-open valves
w/o snubber
(9 req'd)
(3 req'd)
w/ snubber
(9 req'd)
(3 req'd)
12
Part Number Key
9
40A2631X012
40A2631X022
See following tables
1A453324052
1A771132982
1A453324052
1A771132982
1A453324052
1B261224052
1A771132982
1H734732992
10
11
12
13
Description
Yoke
Size 80 (5 yoke)
Cast Iron
w/o side-mtd handwheel Std
w/lower boss tapped
w/ side-mtd handwheel Std
w/lower boss tapped
Steel
w/o side-mtd handwheel
w/side-mtd handwheel
Size 80 (5H yoke)
Cast Iron
w/o side-mtd handwheel Std
w/lower boss tapped
w/ side-mtd handwheel Std
w/lower boss tapped
Steel
w/o side-mtd handwheel
w/side-mtd handwheel, boss tapped
Size 100 w/group 2 springs
Steel
5H yoke boss
7 in. (178 mm) Yoke boss
Actuator Stem, pl steel
Size 80
w/o side-mtd handwheel
w/ side-mtd handwheel
Size 100
Group 1 springs
Group 2 springs
Spring Seat
Size 80
Cast Iron
Steel
Size 100, steel
Group 1 springs
Group 2 springs (2 req'd)
Adjusting Screw, steel
Size 80
Backup Plate, steel
Size 100
Part Number
3K407919042
3L921319042
3K664819042
3L921219042
3L448522012
3N364522012
18A5490X012
11B2276X012
16A9870X012
17A5125X012
18A5490X022
37A9080X012
40A2558X012
40A2559X012
1H745024102
1K503924102
31A1837X012
30A2603X012
1H733019042
1L448922012
20A2581X012
10A2604X012
1H733324392
10A2575X012