ENSTROM F-28F/280F SERIES MAINTENANCE MANUAL
Rev.
4
MM-4-26
Jun
21/12
G. Remove the fuel nozzle and install the fuel cap.
NOTE
Because of cross-feeding which occurs during refueling, it may be necessary
to add fuel to the first fuel tank refueled to obtain the required fuel quantity.
H. Remove the ground wire.
4-5. Draining – Fuel System
WARNING
In the event of a major spillage of fuel, all powered equipment must be
shut down. All personnel should leave the vicinity and be positioned to
prevent any sources of possible ignition from entering the area. The
appropriate authorities should be notified to contain and disperse the
spill.
A. Open the filler cap on the right fuel tank.
B. Remove the fuel from the fuel tanks using a suitable pump or siphon and containers.
C. Drain the remaining fuel from the tanks and lines into suitable containers using the
tank sump drain valves and the gascolator drain valve.
D. Reinstall the filler cap on the right fuel tank.
4-6. Engine Oil System
(Figure 4-1, View C and View D)
4-7. Servicing – Engine Oil System
NOTE
Refer to Table 4-1 for system capacity and approved oils.
A. Visually check the oil level on the dip stick.
B. Remove the filler cap from the fill tube.
C. Add oil as required to bring the oil level to the 8 quart mark.
NOTE
Normal operating oil level is between 6 and 8 quarts.
D. Secure the dip stick and filler cap.
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