Revision: 2
Date: 11-15-19
VASHON AIRCRAFT RANGER R7 MAINTENANCE MANUAL
5.7.20-9
BATTERY
The battery is a 12 Volt Lithium Iron Phosphate battery. It is sealed and has built-in circuitry to
prevent excessive discharge or damage due to overcharging. Inspect annually for physical
condition and cleanliness. For an up to date or more in depth inspection, please visit the
manufacturer’s manual (
https://earthxbatteries.com/wp-
content/uploads/2019/08/ETX_Manual_111017_X.pdf
).
Required Tools:
No special tools are required for this operation.
Parts Required:
No parts are required at this time.
Level of Maintenance:
Heavy Maintenance.
Certification Required:
Please see Table 5.4.3 in Section 5.4.
(1)
REMOVAL
(a)
Remove the engine top cowl as described in Section 5.7.9.
(b)
Disconnect the battery negative cable, then the positive cable.
(c)
Remove the battery hold-down bar and then remove the battery.
(2)
INSPECTION
(a)
Inspect the battery and terminals for condition and corrosion. Ensure battery
terminals are torqued to correct values.
(b)
Test fault indicator by touching the battery’s fault with
output to ground and checking
if the internal battery LED/ Battery indicator on the EFIS appears.
(3)
CHARGING
NOTE
Charging should be conducted in an environment cooler than 140°F (60°C and
30°C) and not in direct sunlight.