Handling, Servicing & Maint.
Pilot's Flight Manual
7-14
Reissued: 16 Jan 2019
Vi sually in spect panel for cracks, scratches, gouges, and craz ing.
Press lightly on the side of each plas tic panel, just in board of the re -
tain ers for all plas tic pan els in can opy and door pan els, to check for
loose ness be tween plas tic pan els and re tain ers.
7-13. LAND ING GEAR DAMP ERS - IN SPEC TION
Four pop pet type ni tro gen charged hy drau lic units in the land ing
gear as sem bly dampen land ing shock and pre vent ground res o nance.
The damp ers are mounted be tween the he li cop ter centerframe sec -
tion and the land ing gear skids (two for each skid, left-and
right-hand sides). Ground res o nance and pos si ble de struc tion of the
he li cop ter may re sult if land ing gear damp ers are not func tion ing
prop erly. Per form the fol low ing check dur ing each Daily In spec tion
to en sure proper ex ten sion of damp ers.
Note:
En sure that the he li cop ter is in an empty-weight
con fig u ra tion (no pas sen gers or cargo aboard) but with
full fuel load.
Vi sually in spect land ing gear damp ers for leak age. Re place
damper if loss of hy drau lic oil is noted.
Ob serve stance of he li cop ter. If stance is nose down or if ex ten sion
of aft damp ers ap pears to be un usual, per form the fol low ing
checks.
Raise and lower the tailboom above and be low the nor mal at-rest
po si tion three times.
On the last cy cle, slowly lower the tailboom to an at-rest po si tion
and ob serve stance of he li cop ter. If stance of he li cop ter or ex ten -
sion of aft damp ers still ap pears un usual, per form the fol low ing
step.
Mea sure dis tance from shoul der of damper up per cap to top edge of
damper bot tom cap on all damp ers. Re place any damper mea sur ing
less than the di men sions in Ta ble 7-3.
This Document contains technical data subject to EAR. See WARNING and classifications on first page.
SCHWEIZER
Model 269C Helicopter
CSP Book 1 CSP-C-1.indd 168 8/4/19 12:46 PM