Handling, Servicing & Maint.
Pilot's Flight Manual
7-4
Reissued: 16 Jan 2019
Re move ground wire.
Note
: Al low five min utes for fuel to set tle be fore per -
form ing next step.
Ro tate open fuel tank drain valve le ver or as re quired fuel strainer
drain valve. Al low suf fi cient time (about 8 to 10 sec onds) for
drain age to elim i nate all for eign ma te rial.
WARN ING
VI SU ALLY CHECK FUEL TANK DRAIN VALVE
FOR A FULLY CLOSED CON DI TION.
Vi sually check all fuel lines, fit tings, and com po nents for ev i dence
of fuel leak age.
Note:
Fuel leak age will show as a stain on lines, fit -
tings, and com po nents.
Drain ing - Fuel Sys tem
WARN ING
PRIOR TO DEFUELING, EN SURE EN GINE IS
OFF, RO TOR SYS TEM IS STATIC AND ALL
ELECTRICAL POWER IS RE MOVED FROM HE -
LI COP TER.
DO NOT FUEL OR DEFUEL HE LI COP TER IN -
SIDE ANY HAN GAR OR BUILD ING. STATIC
DIS CHARGE CAN IG NITE FUEL VA PORS RE -
SULT ING IN EX PLO SION AND FIRE.
Ac com plish fuel drain ing with the he li cop ter as level as pos si ble.
The fuel sys tem may be defueled in two ways:
1. Defuel through the filler port, us ing a pump.
2. Defuel by open ing the fuel sys tem drain valves.
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 158 8/4/19 12:46 PM
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