Parts Kits; Repair Kits; Mounting Kits; Parts List - Fisher 3660 Instruction Manual

3660 and 3661 Positioners
September 2015

Parts Kits

Repair Kits

Description
3660 w/0.2 to 1 bar
(3 to 15 psig) input
3660 w/0.4 to 2 bar
(6 to 30 psig) input
These kits contain keys 9, 26, 27, 28, 29, 43, 44, 45,
49, 95, and 97. Keys 43, 44, 45 and 49 are used for the
3660 with bypass only. An additional O‐ring is included
in kit R3660X00012, but is not used for the 3660.
3661
This kit contains keys 9, 26, 27, 28, 29, 43, 44, 45, 49,
95, and 97. Keys 43, 44, 45, and 49 are included in kit
R3660X00012, but they are not used for the 3661.
An additional O‐ring is also included in the kit for the I/P
converter outlet.
3660/3661 for Cover Assembly
This kit contains keys 6, 21, 24, 37, 96 and 97.

Mounting Kits

1250 and 1250R
Sizes 225 and 450
Clamp mounting
kit contains key numbers 64,
65, 66, 67, 68, 69, and 70
Center‐bolt mounting
kit contains key numbers 68,
69, 70, 71, and 72
1250 and 1250R
Size 675
Clamp mounting
kit contains key numbers 64, 65, 66, 67,
68, 69, 70, and 101 through 104
Center‐bolt mounting
kit contains key numbers 68, 69, 70, 71,
72, and 101 through 104
657 and 667
Sizes 30, 34, and 40
kit contains key numbers 69, 70, 82, 83, 84,
85, 86, 87, 88, 89, 90, 91, 92, and 93
Sizes 45 and 46
kit contains key numbers 70, 82, 83, 84, 85,
86, 87, 88, 89, 90, 91, 92, and 93
Sizes 50 and 60
kit contains key numbers 70, 82, 83, 84, 85,
86, 87, 88, 89, 90, 91, 92, and 93
3024C
kit contains key numbers 68, 69, 70,
71, and 72
34
Part Number
R3660X00012
R3660X00022

Parts List

Note
Contact your
R3660X00012
Ordering information.

Positioner Common Parts

R3660X0032
Key
1
2*
3
4*
21B3931X0A2
5
6
21B3932X0A2
7
8
9*
10
21B3931X0B2
11
12
21B3932X0B2
17
18
19
31B6741X0A2
31B6741X0B2 Note
Parts 19A through 19U are shown in figure 26.
31B6741X0C2
19A Pilot Shaft
19B Locknut
21B3932X0C2 19C Washer
*Recommended spare parts
Instruction Manual
Description
3024S
kit contains key numbers 64, 65, 66,
67, 68, 69, and 70
GX
kit contains key numbers 68, 69,
71, and 72
Emerson Process Management sales office
Description
Housing assembly, A03600
For 3660
For 3661
Valve assembly, A96061
Spring, 316 stainless steel
Restrictor assembly, aluminum (includes
filtration screen)
Damping screw, stainless steel
Calibration tool, aluminum
Cheese head screw stainless steel
(7 req'd for 3660;
13 req'd for 3661)
Cover plate assembly, aluminum
Flapper, A95052
Flapper spring, stainless steel
Cheese head screw, stainless steel (4 req'd)
Restrictor screw, stainless steel
Lever assembly, aluminum
Adjusting screw, stainless steel
Feedback lever assembly, stainless steel
Standard
For Baumann actuators
D101402X012
Part Number
21B3931X0C2
GE04613X0A2
for Part