TM 55-1905-222-14
2-9.9.1 Selective Methods Required for Backdriving.
a.
Start the engine and operate the marine transmission in neutral at normal fluid pressures for a
minimum of five minutes, doing this once every eight hours. Maintain the backdnven marine
transmission's oil level at the full mark on the dipstick.
b.
In the case of an inoperable engine where pressure lubing the transmission is not possible, plug the
dipstick tube and fill the unit with oil. Then, before backdnving, drain the oil down to full oil level.
Repeat this process every eight hours.
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