TM  5-6115-585-34 NAVFAC  P-8-623-34 TO-35C2-3-455-2 TM-05684C/05685B-34 Table 6-3. AC Output Control BOX Wiring  Harness  (MEP-003A  Only)  (Cont) Marking Length Wire  No. Gauge Color in Inches Terminal  Lugs X29A16 16 black 19.5 MS25036-153 X30A16 16 black 14 MS25036-153,  MS25036-107 X30B16 16 black 15 MS25036-107,   MS25036-108 X30C16 16 black 32 MS25036-153,  MS25036-107 X31A16 16 black 7 MS25036-107,  MS25036-153 X31B16 16 black 22 MS25036-107 X32A16 16 black 16 MS25036-153,   MS25036-108 X33A16 16 black 14.5 MS25036-153,  MS25036-153 X34A16 16 black 17 MS25036-153 X34A16 16 black X36A16 19 MS25036-153 16 black 28 X37A16 16 MS25036-153,  MS25036-153 black 28 MS25036-153,  MS25036-153 X38A16 16 black 25 MS25036-153,  MS25036-153 X39A16 16 black 26 MS25036-153 X40A16 16 black 21 MS25036-153 X47A16 16 black 22 MS25036-107,  MS25036-153 X48A16 16 black 20.5 MS25036-107,  MS25036-153 X49A16 16 black 16 MS25036-107,  MS25036-153 X76A16 16 black 16 MS25036-153,   MS25036-108 X77A16 16 black 34 MS25036-153 X31F16 16 black 35 MS25036-107,  MS25036-153 (4) AC Voltmeter(M5) (18, figure 8-3). Tag and disconnact 6-6.   VOLTAGE   REGULATOR. two  leads  from  meter.  Remove  three  screws,  nuts,  and  lock- washers  attaching  meter  to  control  panel  and  remove  meter. a.   Test,   on   Equipment. d.  Meters  (replace) (1)   Operate   set   at   rated   load   and   adjust   output (1)  Frequency  Meter(M3)  (16,  figure  6-3).  Position  meter voltage   as   follows: in control panel and attach with three screws, Iockwashers, and (a)   Refer   to   figure   6-5   (or   6-5.1)   and   turn nuts.  Connect  the  two  electrical  leads  and  remove  tags. adjustment   screw   on   resistor   R15   (or   R16)   counter- (2)  Frequency  Transducer  (A3)  (56,  figure  6-3).  Position clockwise    until    voltage    becomes    unstable. transducer to back of control cubicle and attach with four screws (54) and nuts (55). Connect the four electrical Ieads and remove tags (3)  Percent  Current  Meter  (M4)  (17,  figure  6-3).  Position meter on control panel and attach with three screws, Iockwashers and  nuts.  Attach  the  two  electrical  leads  and  remove  tags. NOTE Voltage   instability   will   be   most   evident   im- mediately   following   application   or   removal   of the   load. (b)   Turn   screw   on   R15   (or   R16)   clockwise (4) AC Voltmeter (M5) (18, figure 6-3). Position meter on control panel and attach with three screws, Iockwashers, and nuts. Attach the two electical leads and remove tags. 6-5. GENERATOR  SET  WIRING  HARNESS. a.  Remove  (see  figure  6-2).  Refer  to  figure  6-2  and  remove wiring  harness  at  terminal  boards  and  connectors.  On  ASK  equipped generators,  refer  to  Operator  and  Organizational  Maintenance Manual and remove cover assembly. to  reach.  stability. (c)   Turn   screw   on   R15   (or   R16)   clockwise two  additional  turns. (2)   Operate   Generator   Set   at   120   volts,   single phase   load   at   25%,   50%,   75%and100%   load. (3)   If   L1   to   L3   voltage   deviates   more   than   5% over   the   load   range,   voltage   regulator   is   defective. b.   Inspect   (see   figure   6-3). b. Repair. Replace wires and terminals as needed. See table 6-2. (1)   Drop   the   control   box   panel   (28)   by   loosening fasteners   (9)toexpose   the   voltage   regulator   (39). c.  Install  (see  figure  6-2).  Refer  to  figure  6-2  and  install  wiring harness at terminal boards and connectors. On ASK equipped (2)   Visually   inspect   the   voltage   regulator   for   poor generators,  refer  to  the  Operator  and  Organizational  Maintenance Manual and install cover assembly. connection   or   burned   or   open   components   or   cracked circuit    board. 6-8 Change  6