Piper Navajo PA-31 Service Manual page 752

PIPER NAVAJO SERVICE MANUAL
NOTE
Make sure the battery is installed with the correct polarity on
the correct electrical strap.
c. Replace the battery box cover and secure with the appropriate screw.
d. Place the relay on the left side of the battery box and secure with the two bolts and
nuts.
e. Connect the battery leads previously removed to their correct terminals on the
battery box.
f. Tilt battery box toward front of nose cone and slide into its correct position in front
of the forward baggage compartment.
g. Connect wire from fuse to wire from under forward baggage compartment floor.
h. Connect the drain and vent hoses and secure with hose clamps previously removed at
nose cone skin.
i. Insert and secure four screws through the flanges on the corner of the battery box.
j. Position the forward panel of the forward baggage compartment and secure with
screw type fasteners.
k. Close forward baggage compartment door.
11-80. BATTERY BOX CORROSION PREVENTION. The following check for corrosion
within the battery box should be performed at least every 30 days:
a. Open the clamp at bottom right rear corner of the battery box and drain off any
electrolyte that may have overflowed into the box.
b. Check terminals, connections, and inside of battery box for corrosion.
c. If corrosion is present in step b above, remove battery and battery box from aircraft.
(Refer to Paragraph 11-78.)
d. Corrosion effects may be neutralized by applying a solution of baking soda and
water mixed to the consistency of thin cream.
CAUTION
Do not allow soda solution to enter battery.
Repeat application until all bubbling action has ceased.
e. Wash battery and box with clean water and dry.
f. Flush all battery box hoses and vents with clean water and dry.
g. As necessary, paint the battery box with an acid resistant paint.
h. Reinstall battery and battery box into aircraft. (Refer to Paragraph 11-79.)
i. Close battery box drain tube clamp.
Reissued: 10/12/79
ELECTRICAL SYSTEM
4D2