TM 10-3930-664-24 NOTE When  performing  the  following  test, the  backup  alarm  switch  (installed  in Port C) must be removed to measure the  pressure  at  Port  C  and  to  attach the  gauge  to  Port  M.    Place  the  plug removed   from   Port   M   into   port   C during   the   forward   clutch   pressure test. 7. Connect   pressure   gauge   to   each   port   listed below and record each oil pressure. Transmission must be shifted to operate corresponding  clutch.    Engine  idle  shall  be  400 to 600 rpm. a. Port C = Reverse b. Port E = 2nd gear c. Port F = 3rd gear d. Port K = 1st gear e. Port M = Forward 8. All clutch pressure readings must be within 5 psi of each other.  No reading may be less than 185 psi. 9. Apply   Loctite   to   threads   of   nine   transmission cover   screws.      Install   top   transmission   cover using screws and washers. 10. Close  hood  assembly.    Ensure  handle  is  fully engaged. FOLLOW-ON MAINTENANCE: Disconnect STE/ICE tester (para.  2-13) Raise tow bar and lock in position (para. 2-126) END OF TASK 2-267