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TM 55-1520-228-BD
DRIVE TRAIN SYSTEM
PROCEDURAL STEPS:
1.
Clean damaged area with solvent.
2.
Close bullet hole with a plug and
hold in place with tape.
3. Secure plug in place with safety
wire.
NOTE
Because transmission is pressur-
ized, try to center safety wire
over plug.
4.
Fill transmission with oil.
5.
Inspect after every flight.
6.
Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
8-11. TAIL ROTOR GEARBOX, BULLET DAMAGE.
GENERAL INFORMATION: If a bullet strikes
the gearbox and exits and the gears do
not jam, bind, or lose lubricant, repair
may be deferred.
8-12
Small oil loss can be
LIMITATIONS:
tolerated. If aircraft is run for an
extended period of time with little or
no oil, gearbox will jam.
PERSONNEL/TIME REQUIRED:
. 1 Soldier
. 15 Minutes
MATERIALS/TOOLS REQUIRED:
. Solvent, Cleaner (item 7, Appx C)
. Rubber Sheet
. Tape, Army Green (item 50, Appx C)
or Equivalent
. Sealant (item 4, Appx C)
PROCEDURAL STEPS:
1.
Clean damaged area with solvent if
available. Place a rubber sheet 1/2
inch to 3/4 inch larger than hole under
green tape.
Alternatively, if rubber
sheet not available, place sealant under
tape.
2.
Close bullet hole with green Army
tape.
3.
Inspect after every flight.
4.
Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
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