11-18. BATTERY.
11-19. BATTERY DESCRIPTION. The battery is located forward of the firewall on the right side of the
airplane. Access to the battery is gained by releasing the cowl fasteners and lifting up the engine cowl. The
battery is enclosed in a thermoplastic box. (Refer to Figure 11-17.).
11-20. SERVICING BATTERY. The battery should be checked for fluid level, but must not be filled above the
baffle plates. A hydrometer check should be performed to determine the percent of charge in the battery. All
connections must be clean and tight.(Refer to Table XI-IV.).
TABLE XI-IV. HYDROMETER READING AND BATTERY CHARGE PERCENT
11-21. REMOVAL OF BATTERY.
a. To gain access to the battery lift the right engine cowl
b. Loosen and remove four cam locks from battery box lid and remove lid.
c. Disconnect the battery cables.
—NOTE—
Always remove the ground cable first and install last to prevent
accidental short circuiting or arcing.
d. Lift the battery from the box.
Hydrometer Reading
Percent of Charge
1280
100
1250
75
1220
50
1190
25
1160
Very little useful capacity
1130 or below
discharged
THIS SPACE INTENTIONALLY LEFT BLANK
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
ELECTRICAL SYSTEM
2D10