![](/images/new-backgrounds/1311076/311076125x1.webp)
6.Disconnect leads X2 and X3 (braided copper strap) from the negative capaci- tor bank buss bar using a 1/2 in. open end wrench. See Figure F.7.
FIGURE F.7 — LOCATION OF
LEADS X2 AND X3.
NEGATIVE
CAPACITOR
BANK BUSS
BAR
8.Use a commercial SCR tester or con- struct the tester circuit shown in Figure F.8. One
a.Test the voltage level of the battery. Short leads (A) and (C). Close switch
FIGURE F.8 — SCR TESTER CIRCUIT
AND SCR CONNECTIONS.
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LEADS X2 AND X3
CONNECTION
7. Separate leads X2 and X3 from the negative capacitor bank buss bar. Be sure there is no electrical contact.
NOTE: DO NOT DISASSEMBLE THE SCR
RECTIFIER HEAT SINK ASSEMBLY.