Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 418

PIPER CHEROKEE WARRIOR SERV I C E M A N U A L
11-51. CLEANING BATTERY. (WARRIOR III)
a. Remove all accumulated contamination from the battery exterior with a stiff bristle brush. (Do not
use a metal brush or abrasive materials.) Wipe exterior of battery and interior of manifold, including manifold
top cover, with a cloth saturated with a solution of bicarbonate of soda mixed - one part soda to twenty parts of
water. (Check that cell plugs are tight - do not allow soda solution to enter any cells.)
b. Wash entire battery with clear water and dry thoroughly.
c. Clean battery shelf, hold down supports, connectors and cable ends with a soda solution followed
by clear water. Dry entire area and component parts thoroughly. Apply fresh acid resistant paint if required.
d. Check battery vent tubes for obstructions.
11-52. BATTERY INSTALLATION. (WARRIOR III) (Refer to Figure 11-43.)
a. Check battery and battery shelf are clean and free of acid.
b. Position battery on battery shelf.
c. Install and secure battery vent tubes.
d. Install battery cover.
Do not tighten battery cover hold down bolts more than 10
inch-pounds.
e . Secure battery and battery cover with two each 84316-02 insulators, AN970-3 washers, and
A N 3 -73A bolts.
Always remove the ground cable first and install last to prevent
accidental short circuiting or arcing.
f. Connect ground cable to negative battery terminal and secure.
g. Connect positive cable to positive battery terminal and secure.
h. Secure engine cowl.
11-53. BATTERY CHARGING. (Gill Model G-243) (WARRIOR III)
The National Electric Code forbids charging batteries installed in aircraft or within 10 feet of fuel tank
areas. The battery must be removed from the aircraft for charging. Further, an aircraft battery should not be
allowed to deteriorate to the point where safety of flight is jeopardized. The batteries emergency capacity
should be sufficient to power the essential bus for a minimum of thirty minutes.
a. Remove cell plugs and ensure that vents in plugs are open and that vent valves operate freely.
b. Check that the electrolyte level in each cell is at the bottom of the split ring.
c. A hydrometer check of each cell should be accomplished. (Refer to "Hydrometer Reading and
Battery Charge" in this chapter.)
If charging is necessary wear eye protection - don't take
chances. Also make sure the charging area is well ventilated.
If central air conditioning is used, the battery charging area
should be vented to the outside air to prevent hydrogen gasses
from being circulated throughout the building.
Added: February 28, 1995
CAUTION
CAUTION
CAUTION
2F11
Island Enterprises
ELECTRICAL SYSTEM