TM  1-1520-240-10 8-2-6            15.   Upper boost actuator — Check for extended jam  indicators  and  exposed  piston  rods  for cleanliness. 16.   Forward transmission — Check for foreign ob- jects, cooler condition, and fluid level.. L 17.  Hydraulic compartment — Check as follows: a.   Condition   and   security   of   lines   and coolers. b.   No.1 flight control system accumulator for proper indication (see figure 2-15-3). * 18.   Forward rotor (left side) — Check same as aft rotor. 19.   Brake accumulator pressure — Check 600 to 1400 psi. * 20.   Pylon fairings, work platforms, and inspection panels — Check secure. * 21.   Top of fuselage — Check for foreign objects. CAUTION Failure to remove fuel vent covers may cause fuel tanks to collapse while in use under certain conditions. O 22.   Remove the fuel vent covers (3) (if installed) before using ERFS. 8-2-16.  Walk Around Check and Security Brief. * 1.   All access doors — Check secure. * 2.   Tie   downs,   locking   devices,   covers,   and ground cables — Removed and secured. NOTE The cockpit, forward transmission, flight con- trol, and avionics compartment soundproof- ing should be installed during normal aircraft operation to reduce noise levels in the crew and passenger areas and to aid in venting of transmission heat and fumes. * 3.   Cockpit,  forward  transmission,  and  forward cabin area soundproofing installed. * 4.   Crew/passenger briefing — Complete as re- quired. 8-2-17.  Before Starting Engines. 1.   Pedal  adjustment  —  Matched.  Check  that yaw pedals are adjusted equally and that ad- justment pins are in the same hole position. Uneven  pedal  adjustment  can  cause  droop stop pounding during engine start and ground operations. 2.   Shoulder  harness  locks  —  Check  operation and leave unlocked. * 3.   No.  1  and  No.  2  PDPs  —  Check  all  circuit breakers in and gang bar up. L* 4.   Overhead switches and control panels. Set as follows. O* a.   EAPS ENG 1 and ENG 2 FAN switches — OFF. DOORS — Close. * b.   EXT LTG switches — As required. c.   CPLT LTG switches — As required. d.   COMPASS switch — As required. e.   TROOP WARN switches — OFF. f.   HTG switches — As required. g.   W/S WIPER switch — OFF. h.   ELECT switches — OFF. * i.   LTG switches — As required. * j.   FUEL CONTR switches — Set as follows: (1)   XFEED switch — CLOSE. (2)   REFUEL STA switch — OFF. (3)   ALL FUEL PUMP switches — OFF. k. 712 START switches — OFF. l.   ENG COND levers — STOP. * m. 714A FADEC switches  — Check or set as follows: (1)   NR% switch — 100%. (2)    1 and 2 PRI/REV switches — PRI. (3)   B/U PWR switch — OFF. (4)   LOAD SHARE switch — TRQ. n.   INTR LTG switches — As required. o.   PLT LTG switches — As required. p.   ANTI-ICE switches — OFF. q.   HOIST switches — OFF. r.   CARGO HOOK switches — Set as fol- lows: (1)   MSTR switch — OFF. (2)   HOOK SEL switch — As required. (3)   EMERG  REL  ALL  switch  —  OFF. Cover down. s.   HYD switches — Set as follows: (1)   PWR XFER switches — OFF. (2)   FLT CONTR switch — BOTH.