Type 2390 and 2390B Note To recheck, turn the scale to the AUTO position and confirm the 0 (zero) !13 mVdc (millivolts dc) Hall-effect sensor output. If the output is 30 mVdc or greater, the flexure strips may be damaged and require replacement. The transmitter should be in the mounting position with vent plug on the bottom.
Key 11* 12*
15
16* 17 18
16. Re-install the funnel plate. 17. Re-install the funnel plate screws and tighten.
19
18. Slide the adapter ring onto the mounting studs. 20
19. Re-install the transmitter according to the appropriate Installation procedures. 21
20. Recalibrate the transmitter as described in the “Calibration” section.
22 23 24
Parts Ordering
25*
When corresponding with the Fisher Controls sales office or sales representative about this equipment, always mention the transmitter serial number. When ordering replacement parts, refer to the part number of each required part as found in the following parts lists.
28*
30 31 32
Repair Kits Flexure strips for Type 249 (includes four of key 85) Cover O-rings (includes keys 8 and 9) Alignment Tool Tool Kit (Type 2390)
27*
R2390 X00032 R2390 X00022 1N10323 G012 5N10477 X012
33
Parts List
34
Type 2390 and 2390B Liquid Level Transmitters (figures 21, 22, and 23)
35
Key 1
3 8* 9* 10*
26
Description Part Number Housing, A03600 aluminum alloy casting The housing is not field replacable. Send the unit to a Fisher service center for housing replacement. Adaptor Ring, A03600 aluminum alloy casting 1N10160 G012 O-Ring, nitrile 1V3657 X0012 O-Ring, nitrile 1N10121 G012 O-Ring, nitrile 1F1139 G0012
36 37
41 42
Description Sensor Assembly, stainless steel Lever Assembly, aluminum Type 2390 (inch) Type 2390B (metric) Set Screw, stainless steel (not shown) Used with flameproof Type 2390B only, Analog Output Meter Assembly, 4!20 mA Aperture (used with meter only), aluminum Machine Screw (used with meter only) Stainless steel (2 req’d) Type 2390 Type 2390B Machine Screw, stainless steel Type 2390 (3 req’d) Type 2390B (4 req’d) Cap Screw, stainless steel (2 req’d) Type 2390 Type 2390B Machine Screw, stainless steel (4 req’d) Type 2390 Type 2390B Potentiometer Shaft Extension Stainless steel (2 req’d) O-Ring, nitrile (2 req’d) Cover Plate, aluminum Potentiometer Shaft Coupling, silicone rubber (2 req’d) Potentiometer Assembly (Zero), includes key 25 20K ohm (R28) For Type 2390 or intrinsically safe 2390B For 2390B w/LCIE flameproof approval Potentiometer Assembly (Span), includes key 25 20K ohm (R35) For Type 2390 or intrinsically safe 2390B For 2390B w/LCIE flameproof approval Wire Assembly, copper (red wire) Wire Assembly, copper (blue wire) Wire Assembly (2 req’d), copper (black wire) Type 2390 Type 2390B Barrier Strip, Type 2390 Type 2390B flameproof Intrinsically safe Polarity Marker Type 2390, fiber (+ and !) Type 2390B, plastic (+) Polarity Marker Type 2390B only, plastic (!) Twist Guard Type 2390B only Wire Retainer (internal earthing terminal) Type 2390, zinc pl steel Flameproof 2390B, nickel pl brass Not used on intrinsically safe 2390B Nameplate Screwed Gland, plastic Intrinsically safe Type 2390B only
* Recommended spare part.
Part Number 1N10074 G022 2N10086 X012 2N10086 X022
1N10110 G012 1N10111 G012 1N10117 G012
1N10313 G012 1N10312 G012 1N10183 G012 1N10364 G012 1N10307 G012 1N10306 G012 1N10185 G012 1N10119 G012 1N10122 G012 1H2926 G0012 1N10123 G012
1N10124 G012
1N10126 G012 1N10126 G022
1N10319 G012 1N10319 G022 1N10199 G012 1N10199 G022 1N10194 G012 1N10135 G012
1H2904 06992 1N10243 G022 1N10243 G012 1H3105 06992 1N10245 G012 1N10246 G012 1N10244 G012 16A2821 X012 1N10136 G012 !!!
11B3870 X012