ENSTROM F-28F/280F SERIES MAINTENANCE MANUAL
Rev.
8
MM-8-28
Sep
20/17
(j)
Disassemble valve assembly (13), if required, as follows: (Figure 8-12, View B)
NOTE:
Do not disassemble this unit unless damage or wear has occurred to valve (19).
1
Remove nuts (15) and washers (16).
2
Remove valve pistons (17) and valve springs (18) from shaft (20).
3
Carefully press shafts (20) from piston (19).
3. Oleo Strut Inspection
(a) Inspect the oleos for damage, leakage, proper extension, and freedom of
movement.
(b) When the strut is disassembled inspect in accordance with Table 8-1.
4. Oleo Strut Assembly (See Figure 8-12)
(a) Assemble piston assembly (13), if required, as follows: (See Figure 8-12, View B)
1
Carefully press shafts (20) into the piston (19).
CAUTION:
If excessive pressure is used to press shafts into the piston, damage to the
valve area of the piston can result.
2
Install valve pistons (17) and springs (18) on the shafts.
3
Install washers (16) and nuts (15).
4
Adjust the valve and spring length to 1.60” ± .010”. Measurement is taken from
the inner base of the piston (19) to the outboard edge of the valve piston (17).
See Figure 8-12, Valve Setting Dimension.
UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED
Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.