ENSTROM 280FX OPERATOR’S MANUAL
10-1-19
FAA Approved: Mar 26/12
Rev. 6
Report No. 28-AC-020
Feb 21/12
7. Install left and right take-up assemblies.
8. Install long “V” belt to each spreader (lower to right
spreader) and adjust tension.
9. Inspect system and perform operational check.
10. Make log book entry: “Dry dispersal system installed;
helicopter approved for restricted category operations
only”.
10-1-21. Dry System Removal
1. Reverse steps 1 through 10.
10-1-22. To Return Helicopter to Normal Category
1.
Remove wet or dry dispersal system per above
instructions.
2. Cap electrical plugs, fasten ends to rail or cross tube with
tape or bundle ties.
3. Fasten clutch cable to cross tube.
4. Tape “V” belt to jackstrut.
5. Inspect helicopter.
NOTE
Possible deterioration of rubber parts and
corrosion of helicopter structure may occur when
certain dispersants are used. Inspection intervals
and cleaning procedures should be modified to
prevent damage.
6. Make log book entry: “Wet/Dry dispersal system removed
except for allowed provisions remaining on helicopter.
Helicopter approved for normal category operations”.
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