Instruction Manual
D103292X012
C1 Controllers and Transmitters
March 2017
43
Figure 22. Typical Reverse Acting Fisher C1 Assembly (continued)
(Refer to figure 26 for the Front View of the Case & Cover Assembly)
PROPORTIONAL-ONLY CONTROLLER
NOTE:
KEYS 11, 21, 29 ARE NOT SHOWN
GE28280-B
E1070
RELAY ASSEMBLY
SUBASSEMBLY (KEY NOS.
SHOWN IN FIGURE 24 OR 25)
SPRING-OUT CLEANING WIRE
Key Description
16* Connecting Link
(1)
, Bourdon tube instruments only
Std., 18-8 SST
16 Connecting Link, Bourdon tube w/optional travel stop,
18-8 SST
17 Lockwasher, steel pl (2 req'd)
Use w/optional Bourdon tube travel stop
18 Machine Screw, steel pl (2 req'd)
Use w/optional Bourdon tube travel stop
19* Relay Gasket
(1)
Std Temp, chloroprene
Hi Temp, silicone
Key Description
20* O-Ring
(1)
, nitrile
21* Gasket
(1)
, chloroprene, (not shown)
22 Mounting Screw for reset restriction valve
1/4-20 UNC, steel pl (not shown)
23* Control Tubing Assembly, 304 SST
For Bourdon tube instruments
w/o process pressure gauge
Std.
Oxygen Service
w/process pressure gauge
1. This part is included in the Controller Repair Kit.
*Recommended spare parts
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