System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1Page 6-18 Rev. 6TVS2 Replacement1. When installing new TVSs, cut the leads to 0.75 +0.00/-0.10 inches on both sides.2. Crimp and solder each of the TVS banded side (cathode) leads to their specific sockets (refer toFigure 6-9), and insert into the 4-pin connector with sockets.3. Install heat shrink around the four TVSs – this will help to hold them in place during the followingsteps.4. Solder the un-banded end of the TVS assembly together as shown in Figure 6-10 onto a length of18 AWG wire. Attach a terminal lug onto the wire end.5. Carefully remove heat shrink installed in Step 3 from the TVS ensuring not to cut the insulation onthe wire under the heat shrink.6. Attach an appropriately sized section of heat shrink to cover the soldered TVS leads and four TVSpieces. A second appropriately sized (larger) section of heat shrink should then be attached toshrink over the 4-pin connector with sockets and back over the four TVSs. These two pieces ofheat shrink should overlap along the entire length of the TVSs.7. Mate the four-pin connector together.8. Reconnect the power end of the assembly to the power bus9. Reconnect the ground end of the assembly to ground.10. Perform a polarity check per Section 6.8.2.1.Figure 6-9. Detail of TVS Pin Assembly0$;62&.(7&217$&7&5,03$1'62/'(5
