Handling, Servicing & Maint.
Pilot's Flight Manual
Reissued:
16 Jan 2019
7-11
trail ing edge of the blade. Ser vice the damp ers with a thor ough vi -
sual check and main tain a proper oil level.
Rec om mended Lu bri cants
Hy drau lic Oil, Pe tro leum base
MIL-H-5606
MIL-H-6083 (al ter nate)
Po si tion main ro tor blade for con ve nient view of damper liq uid
level plug win dow, col lec tive down, he li cop ter level, cy clic for -
ward and to right with fric tion locked.
Note: Po si tion blades by ro tat ing the tail ro tor drive
shaft by hand un til blade to be checked is par al lel with
can opy slat and on right side of he li cop ter.
Vi sually check oil level in win dow.
Note: Damper oil res er voir is full when oil level ap -
pears half-full in win dow. Oil level 1/8 inch above
half-full mark is al low able max i mum. Any fluid vis i ble
in win dow is al low able min i mum pro vided damper is
not leak ing. Add oil ac cord ing to list ing be low.
Cut lockwire and re move damper filler plug.
Re move damper vent screw.
Using oil can, add re quired amount of oil.
Vi sually check for proper oil level in win dow.
In stall damper vent screw.
In stall damper filler plug and lockwire.
Vi sually check damper as sem blies and com po nents for oil leaks
and ob vi ous dam age.
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 165
8/4/19 12:46 PM
