Instruction Manual

Instruction Manual
D200126X012
2502 Controllers
February 2015
29
Note
Beam overtravel can jam the flapper against the nozzle if the following step is not performed.
3. Remove the flapper screw (key 93), lockwasher (key 84), and flapper (key 60). Invert the flapper so that the flapper
hook is on the opposite side of the beam from the nozzle (key 58), and secure with the lockwasher and screw.
4. Perform the calibration procedure and any other necessary part of the calibration sequence.
Parts Ordering
Whenever corresponding with your Emerson Process Management sales office about this equipment, always mention
the controller type number and the serial number found on the unit nameplate (figure 9). When ordering replacement
parts, also state the complete 11‐character part number of each required part as found in the following parts list.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Process Management should
not, under any circumstances, be used in any Fisher instrument. Use of components not supplied by Emerson Process
Management may void your warranty, might adversely affect the performance of the instrument, and could cause personal
injury and property damage.
Parts Kits
Description Part Number
Controller Parts Kit
Contains keys 12, 15, 21, 24, 38, 55, 57, 58, 60, 62, 63, 64,
77, 79, 84, 86, 87, 93, 101, and 187
Standard Temperature R2502X00L52
High Temperature R2502X00H52
Relay Replacement Kit
Contains keys 22, 43, and the relay assembly
Standard Temperature RRELAYX0L22
High Temperature RRELAYX0H22
Heat Insulator Parts Kit
Contains keys 35, 36, 37, 38, 39, 40, and 53 R2500XH0012
2500 Controller Cover Gasket Kit
Contains qty. 5 cover gaskets, key 21 R2500CVR012
Parts List
Key Description
Note
Part numbers are shown for recommended spares only. For part
numbers not shown, contact your Emerson Process Management sales
office.
Controller Common Parts
(figure 14)
1 Pilot Case Back, zinc
2502 and 2502C
2502F
2 Pilot Case Cover, aluminum
3 Door Handle, steel, pl
4 Door Handle Shaft (not shown),
stainless steel
5 Machine Screw, stainless steel
6 Washer Spring, stainless steel
7 Door Hook, steel, pl
8 Elastic Stop Nut, steel, pl