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SONARtrac

™ Rework Instruction 

RI00007 Rev: 

02

 

 
 

 

Subject: Procedure for 
Replacement of Foundation 
Fieldbus Board P/N 20924 

Page 1 of 13

 

CiDRA Corporate Services 

50 Barnes Park North 

Wallingford, CT 06492 

Tel. 203-265-0035 

Fax. 203-294-4211 

www.cidra.com 



 

The following procedures provide the list of tools, materials, and procedures for 
replacing the P/N 20924 Foundation Fieldbus Electronics Board assembly. 

Procedure A

 on the following pages should be used if the transmitter is installed in a 

location that is not suitable for electronics rework.   

Procedure B

 on the following pages can be used if the transmitter is installed in an 

environment that is suitable for rework of electronic assemblies. 

In all cases, carefully read the entire document prior to starting replacement. 

If there are any questions or comments please contact CiDRA Customer Support. 

 

 

Document Change History 

 

Date 

Revision 

Changed By 

ECO # 

Description of Change 

25Jul08 01 

Griffin / 

Markoja 

08-0066 Initial 

Release 

3Nov08 

02 

Markoja 

08-0066A

Change standoff length from 3” to 2” 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Содержание SONARtrac 20924

Страница 1: ...following pages should be used if the transmitter is installed in a location that is not suitable for electronics rework Procedure B on the following pages can be used if the transmitter is installed...

Страница 2: ...0007 Rev 02 Subject Procedure for Replacement of Foundation Fieldbus Board P N 20924 Page 2 of 13 CiDRA Corporate Services 50 Barnes Park North Wallingford CT 06492 Tel 203 265 0035 Fax 203 294 4211 w...

Страница 3: ...installed in a location that is not suitable for electronics rework Tools Required Qty P N Description Recommended Tools 1 Phillips Head Screw Driver 2 Qty P N Description 1 Flat Head Screw Driver 2mm...

Страница 4: ...move 4ea chassis screws Note screws are captive 3 5 Remove ground wire from CTBA 3 6 Remove transmitter chassis from transmitter enclosure OR 3 7 Remove power cables from terminal board 3 8 Remove inp...

Страница 5: ...doffs to chassis screws 5 Stand chassis on the standoffs 6 Remove the lower display chassis screw on each side of the display chassis 7 Loosen upper display chassis screw 1 2 turn on each side of the...

Страница 6: ...1 www cidra com 12 Disconnect ribbon cable jumpers J 3 and J 4 from the Fieldbus Interface Board Assembly FIBA and slide the connectors through the slot on the FIBA 13 Lay the CTBA on the work bench 1...

Страница 7: ...move the Fieldbus Board from connector J5 30 pin connector and J5 B 2 pin connector Figure 5 FBIA Screw Removal 19 Carefully install the new Fieldbus Board as follows 20 Align the J5 and J5 B connecto...

Страница 8: ...stall Cable P N 20931 to J3 second 29 Install J1 and J2 cables 30 Reinstall the CTBA using 5ea 6 32x5 16 screws Tighten screws to recommended torque of 12in lbf 31 Tilt display chassis forward 32 Reco...

Страница 9: ...d in an environment that is suitable for rework of electronic assemblies Tools Required Qty P N Description Recommended Tools 1 Phillips Head Screw Driver 2 Qty P N Description 1 Flat Head Screw Drive...

Страница 10: ...ds to use appropriate ESD personal grounding protection Be sure to retain all hardware for reassembly 1 Remove power from the transmitter using onsite specific lockout tagout safety procedures 2 Open...

Страница 11: ...cidra com 6 Remove the 6ea 6 32x5 8 screws from the Fieldbus Interface Board Assembly FIBA Figure 3 Removing FIBA mounting screws 7 Carefully lower the FIBA down and free from beneath the display ass...

Страница 12: ...h Wallingford CT 06492 Tel 203 265 0035 Fax 203 294 4211 www cidra com 8 Remove the 4ea 4 40x1 4 socket head cap screws from the Fieldbus board Figure 5 Removing Fieldbus board mounting screws 9 Caref...

Страница 13: ...ard 11 Put Loctite 242 on the threads of the 4ea 4 40x1 4 socket head cap screw threads 12 Install the 4ea screws and tighten to recommended torque of 5in lbf 13 Carefully reinstall the FIBA in to loc...

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