Emerson Fisher 3710 Instruction Manual page 47

Instruction Manual
D101728X012
Figure 31. Fisher 3710 Components and Subassemblies (continued)
3710 WITH GAUGES
V
ADD LUBE
42B7272 SHT 3 OF 3
Key Description
28 Action block
29* Action block gasket
30* Input module assy
Includes summing beam assy and flexure
31* O‐ring
For use between input module assy and
positioner base plate
32 Zero adjustment pivot
(1)
33 Washer (metric)
For zero adjustment pivot
*Recommended spare parts
1. Also recommended as a spare if metric
fasteners are not available at the installation site.
3710 WITH STANDARD LOW‐PROFILE INDICATOR
3710 WITH TIRE VALVES
Key Description
(1)
34 Retaining ring (E‐clip) (metric)
For zero adjustment pivot
Note
Two zero adjusters (key 35) are required: one for the zero adjustment
locknut and one for the zero adjustment knob.
35 Zero adjuster(2 req'd)
36* Cam
Rotary Valves, std 90 deg rotation
Sliding‐Stem Valves
(1)
37 Cam locknut (hex/metric)
3710 and 3720 Positioners
September 2017
47