ENSTROM 280FX OPERATOR’S MANUAL 8-9
Rev. 6
Report No. 28-AC-020 Feb 21/12
(1) Remove seat back and seat deck panel.
(2) Remove firewall panel located behind pilot seat.
(3) Remove and discard safety wire.
(4) Using a 1-inch socket, remove filter.
(5) Replace with new filter, lubricating seal with oil.
(6) Torque to 18-20 ft-lb and safety with .032” safety
wire.
(h) Cut open filter and inspect for excessive metal. If
metal is present, contact a qualified aircraft
mechanic for advice.
d. Draining – Engine Oil Coolers
(1) Refer to para. 8-5, step 2.b.(3) to drain the engine
oil coolers.
e. Servicing Engine Oil System
1) Ensure oil filter is installed, engine sump drain
plug is installed or drain valve closed, and engine
oil cooler drain hoses are installed.
(2) Add 8 quarts of oil to the engine sump (refer to
Table 8-1).
NOTE
Two (2) additional quarts of oil will be required
after the initial ground run because of the oil
filter, oil coolers, and lines in the lubrication
system.
(3) Secure filler cap and dipstick.
(4) Check all oil lines and components for evidence of
leaks during ground run.
(5) After ground run, add oil to “FULL” mark.
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