ARMY TM 9-6115-672-14 AIR FORCE TO 35C2-3-444-32 MARINE CORPS TM 09244A/09245A-14 5-8   TABLE 5-1.  DIRECT SUPPORT TROUBLESHOOTING (CONTINUED) Not OK   Not OK   OK   OK   GENERATOR SET FAILS TO GENERATE SUFFICIENT VOLTAGE Generator set fails to generate sufficient voltage. Check for low engine speed.  Refer to   TM 9-2815-260-24. Refer to TM 9-2815-260-24. Test generator main stator (see para. 5.10.7). Replace defective components. Test power potential transformer (see para. 5.8.6). Replace power potential transformer (see para. 5.8.6). Not OK