Handling, Servicing & Maint.
Pilot's Flight Manual
Reissued:
16 Jan 2019
7-9
tained, there should be no leak age or elec tro lyte
dam age to the struc ture or flo ta tion gear.
Mix one part bak ing soda to three parts wa ter.
CAU TION
DO NOT AL LOW SODA SO LU TION TO ENTER
BAT TERY CELLS.
Using mixed soda so lu tion, thor oughly flush af fected ar eas.
Rinse af fected ar eas with clear wa ter and wipe dry with clean cloth.
For ad di tional pro tec tion of floats, coat the float fab ric in the area
be hind the bat tery with DP-402 seal ant. (HH Let ter L-73 also pro -
vides this in struc tion.)
7-9. MAIN TRANS MIS SION - SER VIC ING
The trans mis sion trans mits power to the main and tail ro tor as sem -
blies. The trans mis sion is lo cated aft of the cabin sec tion along the
air craft cen ter line and has a self-con tained lu bri ca tion sys tem. Oil
quan tity is checked by view ing the sight gage or with a dip stick lo -
cated on the right-hand rear side of the trans mis sion. There are two
grad u a tions, FULL and LOW. A lock ing de vice is in cor po rated to
pre vent the dip stick from com ing out of the trans mis sion dur ing
flight. Oil is added to the trans mis sion through a filler port above
and/or for ward of where the level is checked. The port in cor po rates
an over cen ter ramp or safety wired cap to pre vent loss of oil.
Main trans mis sion oil ca pac ity: 3 U.S. quarts, to tal
Rec om mended Lu bri cants
SAE HD90 J2360, MIL-L-2105 or MIL-PRF-2105 ap proved for
use at -18°C (0°F) to 43°C (110°F).
SAE HD80 J2360, MIL-L-2105 or MIL-PRF-2105 ap proved for
use at -29°C (-20°F) to 4°C (40°F).
Fill ing - Main Trans mis sion
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 163
8/4/19 12:46 PM
