Handling, Servicing & Maint.
Pilot's Flight Manual
Reissued: 16 Jan 2019 7-7
b. Vi sually in spect elec tro lyte level in all cells. Main tain bat tery
elec tro lyte level at bot tom of filler tube (3/16 inch above
plates) and add wa ter only when bat tery is at full charge.
c. Add dis tilled wa ter as re quired, and re check elec tro lyte level.
d. In stall filler caps.
7-6. JUMP START ING BAT TERY
CAU TION
It is not rec om mended to jump start a dead bat tery.
A dis charged bat tery is not air wor thy be cause it will
not have the nec es sary re serve ca pac ity to op er ate
the elec tri cal sys tem should the gen er ating sys tem
fail in-flight. Also, the fast re charge from the al ter -
na tor will dam age the bat tery and re sult in pre ma -
ture bat tery fail ure.
CAU TION
Use care when con necting elec tri cal jumper ca bles
and an aux il iary bat tery for starting the engine
when he li cop ter bat tery charge is low. Keep bat tery
ca bles away from the he li cop ter frame and com po -
nents, es pe cially the clutch con trol ca ble. Burn
dam age to the ca ble will re quire ca ble re place ment.
CAU TION
Bat teries give off a gas which is flam ma ble and ex -
plo sive. Keep open flames or elec tric sparks away
from bat tery. Do not smoke near bat tery. Bat teries
also con tain acid which can cause per sonal in jury,
par tic u larly to eyes. Protect your eyes, face and
other ex posed areas when working near a bat tery.
If an emer gency should re quire the he li cop ter to be jump started , the
fol low ing pro ce dure should be fol lowed.
SCHWEIZER
Model 269C-1 Helicopter
CSP book 2..indd 145 8/4/19 12:54 PM
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