TM 5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 terminals of a 3 phase generator set is correct, serious damage or injury could be done to connected equipment   and   to   personnel   as   a result  of  reversed  motor  rotation  or excessive current surges. b. Apparatus.          A     phase     sequence     (rotation) indicator   as   described   and   illustrated   in   MIL- HDBK-705,  Method  116.1  or  a  3  phase  motor whose direction of operation in relation to phase sequence is known shall be required. c. Procedure. (1) Connect  the  generator  set  load  terminals to the applicable test apparatus for one of the    set    3    phase    voltage    connection. Recheck  the  connections  to  ensure  that L₁,  L₂,  and  L₃  of  the  generator  set  age connected    to    L₂,    and    L₃    of    the    test apparatus respectively. (2) Start   and   operate   the   generator   set   at rated   voltage   and   frequency.      The   set indicating  instruments  shall  be  sufficient indication of output voltage and frequency. (3) Close the circuit interrupter and determine the direction of phase sequence (rotation) by observing the indicator, or by noting he direction of rotation if a 3 phase motor is used.  Record results. (4) Repeat steps (a) through (d) above for all other 3 phase voltage output connections of the generator set. (5) Phase  sequence  can  also  be  checked  by placing  PHASE  SEQUENCE-BUSS-OFF- GEN   switch,   located   on   the   generator panel,  to  the  GEN  position  and  the  1-3-2 lamp should illuminate. (6) Place the AC PWR CKT BKR, located on the  generator  panel,  to  the  close  position and the PHASE SEQUENCE-BUSS-OFF- GEN switch to the BUSS position.  The 1- 3-2 lamp should illuminate. d. Results.      The   phase   sequence   (rotation)   as indicated  by  the  test  shall  be  checked  against the requirements of table 16-1. 16-24.  MAXIMUM POWER TEST. a. General.    The  maximum  power  of  a  generator set   is   a   function   of   the   ambient   conditions (temperature  and  altitude)  and  the  mechanical condition  of  the  engine  at  any  particular  time. See  table  16-1  for  test  parameters  for  various altitudes. b. Apparatus.    Instrumentation  for  measuring  load conditions,  field  voltage  and  current,  pressures and   temperatures   shall   be   as   described   and illustrated in MIL-HDBK-705. c. Procedure. CAUTION This procedure subjects the generator set to a severe overload which may be damaging if maintained  for  too  long  a  period of time. (1) Preparation for test. (a) Connect the load and instrumentation  in  accordance  with the  applicable  figure  of  MIL-HDBK- 705, Method 205.1, paragraph 205.1.10 for one voltage and frequency. (b) Install appropriate thermocouples to measure the following temperatures: 1.   Engine    coolant    (engine    outlet and inlet). 2.   Exhaust gas(es)(the exhaust manifold(s) shall be drilled 16-20