TM 55-1520-240-23-1
1-54
SERVICE TRANSMISSION OIL SYSTEMS (Continued)
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SERVICE FORWARD TRANSMISSION
CAUTION
Under normal conditions, transmission
shall be serviced with only one
type of oil (E253, E254.1, or
E254). Oil (E254) must be used for
temperatures below -25 F (-32 C).
In an emergency, if one type of oil is
in the transmission but not available,
the other type may be used. If
the two types of oil are mixed, the
transmission oil system shall be
drained and serviced as soon as
possible, but no later than 6 hours,
after transmission operation with
mixed oils.
NOTE
If transmission has been operated
within the past 30 minutes, wait
30 minutes prior to servicing
transmission.
NOTE
Restencil all transmissions as required
to correctly identify lubrication oil to
be used after servicing.
1.
Open forward transmission fairing right work
platform (1) (Task 2-2).
2.
Open oil filler cap (2).
2.1.
Inspect filler screen (Task 6-37.1).
3.
Add oil (E253, E254.1, or E254) through filler (3)
until oil level in sight gauge (4) is at FULL. Use
funnel.
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