WARNING
239.475
Figure 6-24.—Inserting new O-ring and CO2 cylinder.
weight. Discard and replace the cylinder if its scale
weight is 2 grams less than its stamped minimum
weight.
By using the cylinder thread chaser die, figure
6-23, you turn the thread chaser to the full extent
of the threads on the CO2 cylinder to cut free any
excessive cadmium plating covering the threads.
Insert new O-ring and turn the CO2 cylinder
into inflator body as far as hand twisting
permits. See figure 6-24.
Battery Replacement, LPU-23/P
(Series) and LPU-24/P (Series)
To replace batteries, proceed as follows:
Remove the sensor plug cap with a standard
box wrench.
BATTERIES MAY EXPLODE IF RE-
CHARGED OR IF THEY ARE DIS-
POSED OF IN A FIRE.
Remove the old batteries and discard them.
CAUTION
NEVER REPLACE ONE BATTERY;
ALWAYS REPLACE THE PAIR.
Remember to record the date of manufacture
and the date of installation of new batteries on
the Aviation Crew Systems History Card.
NOTE: Batteries have a total life of 2 years
from the date of manufacture. Do not
install batteries if their total life expires
prior to the next scheduled calendar
inspection.
Install batteries in accordance with figure 6-20.
WARNING
ENSURE THAT THE SENSOR PLUG
CAP IS TORQUED TO THE CORRECT
VALUE.
On FLU-8A/P only, torque the sensor plug
cap to 5 in-lb using 17/32-inch socket and torque
wrench.
6-35
