Fisher 3660 Instruction Manual page 36

3660 and 3661 Positioners
September 2015
Figure 24. Fisher 3660 Positioner Assembly (continued)
A
A
C
51B3944‐F
Key Description
38* Output gauge (optional)
Dual scale
2/
0 to 2 Kg/cm 0 to 30 psig
2/
0 to 11 Kg/cm 0 to 160 psig
Triple scale
0 to 2 bar/0 to 0.2 MPa/0 to 30 psig
0 to 11 bar/0 to 1.1 MPa/0 to 160 psig
39* Instrument gauge (optional for 3660 Only)
Dual Scale
2/
0 to 2 Kg/cm 0 to 30 psig
2/
0 to 4 Kg/cm 0 to 60 psig
Triple scale
0 to 2 bar/0 to 0.2 MPa/0 to 30 psig
0 to 4 bar/0 to 0.4 MPa/0 to 60 psig
40 Anti‐seize sealant
(not furnished with positioner)
36
B
B
VIEW A‐A
WITHOUT COVER
Part Number
11B4036X042
11B4036X062
11B4036X012
11B4036X032
11B4036X042
11B4036X052
11B4036X012
11B4036X022
C
Key Description
Note
Keys 41 through 49 and key 79 apply to 3660 with bypass valve only.
Refer to figure 23.
41 Bypass body assembly, aluminum
42 Bypass lever assembly, plastic
43* O‐ring, EPDM
44* O‐ring, EPDM
45* O‐ring, (2 req'd)
46 Retaining ring, stainless steel
47 Cheese head screw, (2 req'd)
48 Lubricant, silicone sealant
(not furnished with positioner)
49* O‐ring, EPDM (3 req'd)
50 Lubricant, silicone sealant
(not furnished with positioner)
*Recommended spare parts
Instruction Manual
D101402X012
SECTION B‐B