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5-11  RELAYS  K3-K6  MAINTENANCE
5-12 PERMISSIVE PARALLELING RELAY MAINTENANCE. - TM-9-6115-660-13P_179

TM-9-6115-660-13P Power Plant Diesel Engine Driven 1-Ton Trailer Mounted (With Racks) 3Kw 60 Hz AN/MJQ-42 Manual
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TM  9-6115-660-13&P TEST 1. Repeat removal step above. 2. Refer to figure 5-16 and check continuity of relay coil between pins X1 and  X2. Figure 5-16. Relay K3-K6 Schematic. WARNING Dangerous  voltage  exits  on  live  circuits.  Always  observe  precautions  and never  work  alone.  Failure  to  observe  this  warning  could  result  in  severe personal injury or death. 3. Attach 24 VDC power source across pins X1 and X2 of relay and check continuity of relay contacts before and after relay is energized as listed in table 5-4. Table  5-4.  Relay  Operation RELAY  STATUS CONTINUITY BETWEEN  PINS Power  NOT  Applied I A2 and A3 B2 and B3 Power  Applied I A1 and A2 B1 and B2 NO  CONTINUITY BETWEEN  PINS Al and A2 B1 and B2 A2 and A3 B2 and B3 4.  If  all  multimeter  indications  are  correct,  perform  installation  procedures. 5.  If  any  multimeter  indication  is  not  as  listed  in  table  5-4  perform  installation  with  new  relay. INSTALLATION Install relay (3, figure 5-15) in relay socket (4) and secure with two washers (2) and screws (1). 5-27







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