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Page Title: REPLACEMENT OF TERMINAL BLOCK TB2. Continued
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TM 11-5820-890-30-5 4-38.  REPLACEMENT  OF  TERMINAL  BLOCK  TB2.  Continued ITEM ACTION REMARKS INSTALLATION e.  Terminal  block  TB2  (32) Using  cross  tip  screwdriver,  install  four retained  screws  (35),  Iockwashers  (23), and  flat  washers  (24)  securing  replace- ment  terminal  block  TB2  (32)  to  power control  chassis  (17). f.   Wires Using  flat  tip  screwdriver,  install  four  re- tained  screws  securing  shorting  bar  (39) and  terminal  lugs  (37)  with  tagged  wires to  terminal  block  TB2  (32).  Remove  wire tags. g. Rear access Hold  in  place  and  tighten  six  captive cover  (12) screws  (13)  securing  rear  access  cover (12)  to  power  control  chassis  (10). Using  torque  screwdriver,  torque  screws to  8  to  10  in-lb. These  were  removed  in step  d. These  were  removed  in step  c. This  was  removed  in step  b. See  figure  4-5. 4-39.  REPLACEMENT  OF  POWER  CONTROL  CHASSIS  O-RING  GASKET. Tools: Cross  tip  screwdriver Flat  tip  screwdriver Torque  screwdriver Soldering  kit Expendable  Supplies: Sealing   compound, Silicone   compound References: grade H Adhesive,   cyanoacrylate Solder Cotton  swabs Alcohol Figures  4-5,  4-10,  4-11,  4-12,  and  4-13  for  component  locations, Paragraph  4-40  for  removal  and  installation  of  bottom  cover. ITEM ACTION REMARKS REMOVAL a.  Mounting  adapter b.  Six  captive  screws  (13) and  rear  access  cover (12) c.   Terminal   lugs   (30) d.  Two  screws  (1)  and flat  washers  (2) Set  on  work  surface  with  left  side Using  flat  tip  screwdriver,  fully  loosen  six See  figure  4-5. captive  screws  (13)  securing  rear  access cover  (12)  to  power  control  chassis  (11). Remove  and  retain  rear  access  cover. Using  cross  tip  screwdriver,  remove  and See  figure  4-10. retain  screw  (29)  and  Iockwasher  (23) securing  terminal  lugs  (30)  to  electrical post (27) . Using  cross  tip  screwdriver,  remove  and See  figure  4-11. retain  two  screws  (1)  and  flat  washers  (2) securing  bottom  shelf  (3)  to  power  control chassis  (4). 4-137


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