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Instruction Manual
D200126X012
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
mention the controller type number and the serial number found on the unit nameplate (figure 9).
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should
not, under any circumstances, be used in any Fisher instrument. Use of components not supplied by Emerson Automation
Solutions may void your warranty, might adversely affect the performance of the instrument, and could cause personal
injury and property damage.
Parts Kits
Description
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
High Temperature
Relay Replacement Kit
Contains keys 22, 43, and the relay assembly
Standard Temperature
High Temperature
Heat Insulator Parts Kit
Contains keys 35, 36, 37, 38, 39, 40, and 53
2500 Controller Cover Gasket Kit
Contains qty. 5 cover gaskets, key 21
Emerson sales office
or Local Business Partner about this equipment, always
Part Number
R2502X00L52
R2502X00H52
RRELAYX0L22
RRELAYX0H22
R2500XH0012
R2500CVR012
Parts List
Key
Description
Note
Contact your Emerson sales office or Local Business Partner for Part
Ordering information.
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
2502 Controllers
June 2017
29
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