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Page Title: Figure 4-19. Junction box, partially removed
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Figure 4-19. Junction  box, partially removed. 4-51.  Testing Refer   to   schematic   wiring   diagram   and   test components   for   continuity   after   disconnecting leads. Check coils of armature relays for continuity then actuate the coil with a 24 volt dc source and check   across   contacts   that   should   be   closed   ac- cording  to  the  schematic  wiring  diagram.  Check circuit  breaker  in  open  and  closed  position. 4-52.  Disassembly a. General.  Disassembly   is   limited   to replacement   of   individual   components.   Tag   and disconnect  leads  from  component  to  be  removed. b.  Heater  and  Compressor  Motor  Relays.  To remove  the  heater  and  compressor  motor  relays refer  to  figure  4-20  and  remove  relays  as  follows: (1)  Remove  four  screws  (1),  nuts  (2),  and washers  (3).  Remove  compressor  motor  relay  (4). (2)  Follow  same  procedure  to  remove  heater relay   (5). c. Condenser Fan Relay.  Refer to figure 4-20 and remove  relay  as  follows: (1)   Remove   two   screws   (6)   from   side   of junction   box.   Remove   relay   and   bracket   from junction   box. (2) Remove three nuts (7) and flat washers (8) to  separate  bracket  (9)  from  condenser  fan  relay (10). 4-30

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