Technical data

13773-001
12-10
Page 6 30 Nov 2000
Whenever an air pressure specification is called out, but not defined as
loaded or unloaded, it should be considered as unloaded.
Always service tires in a warm environment, this will keep the valve stem
from freezing and eliminate the possibility of leaks through the valve core.
After inspecting or adjusting tire pressure, always inspect the valve core for
leaks before reinstalling the valve cap.
Always install a valve cap to prevent contaminates from entering the valve
core.
(b) With the parking brake set and wheel chocks in position, remove the inspection plugs from
the wheel pants to gain access to the valve stems.
(c) Release parking brake and remove the wheel chocks.
(d) Move the airplane until the valve stem is accessible through the inspection hole. Place
wheel chocks in position.
(e) Remove the valve cover cap and verify tire pressure using an accurate gage.
(f) Add compressed air to the tire as required until the air pressure is at the recommended
pressure. If the tire is currently over inflated, push in on the valve core and release some
air until the correct pressure is obtained.
Note: Nose Wheel Tire Pressure (Loaded) - 40 psi (275.6 kPa)
Main Landing Wheel Tire Pressure (Loaded) - 62 psi (427.2 kPa)
(g) Verify that the valve core isn’t leaking, and install the valve cover cap.
(h) Repeat the above steps for the remaining tires.
(i) Install the inspection plugs into the wheel pants.
(j) Reset parking brake and place the wheel chocks into position.
E. Battery System
Two batteries are used on this airplane for energy storage. Battery 1 is located in the engine compart-
ment on the forward right side of the firewall and is the only battery which the electrolyte level can be
adjusted. Access to the battery can be accomplished by removing the upper engine cowling. With the
exception of the electrolyte level check on battery 1, there are no on-airplane replenishing require-
ments for the batteries. Battery 2 is located just aft of bulkhead 222 and is considered a maintenance
free battery. Proper battery charging procedures for both types of batteries, and the replenishing of
electrolyte for battery 1, along with other pertinent information can be found in Chapter 24. (Refer to
24-30)
(1) Battery Electrolyte Level Check (Battery 1)
(a) Remove engine cowling. (Refer to 71-10)
WARNING:
Always wear a face shield and remove all jewelry before servicing the
battery. Metal objects may fuse to electrical connections and cause
severe burns. Acid should never be added unless the electrolyte has
been lost by spillage, because the acid does not evaporate. When it is
necessary to add acid, the battery should be fully charged, on charge
and gassing freely. Specific gravity then may be adjusted by adding
acid or distilled water, or drawing off electrolyte.
(b) Remove cover retaining bolts and cotter pins. Remove the cover.