SEP 2012 R66 Maintenance Manual Chapter 96 Electrical System Page 96.3
96-10 Battery
NOTE
Refer to Concorde Battery Corporation's Owner/Operator's
Manual, and Instruction for Continued Airworthiness for battery
maintenance procedures.
CAUTION
B237-7 battery (standard; forward and aft) weighs 42 lb and
B237-8 battery (alternate; aft only) weighs 52 lb including
electrolyte. Carefully remove/install battery using handle
provided to prevent injury.
CAUTION
To minimize risk of electrical discharge: When disconnecting
battery, disconnect negative (ground) cable from battery first,
then the positive cable. When connecting battery, connect
positive cable to battery first, then the negative (ground) cable.
A. Disconnecting and Removing Battery
1. Turn BATTERY switch OFF. Refer to Section 6-70.
a. Forward battery: Hinge forward left seat forward and remove F003-11 insulation.
Remove hardware securing F748-1 (battery) cover assembly and remove cover.
b. Aft battery: Open baggage compartment door. Remove hardware securing G248-1
(baggage compartment) cover and remove cover.
2. Remove hardware securing negative (ground) cable to battery negative terminal.
3. Slide nipple away from battery positive terminal and remove hardware securing positive
cable to battery positive terminal. Carefully remove battery.
B. Installing and Connecting Battery
1. Turn BATTERY switch OFF.
2. a. Forward battery: Hinge forward left seat forward; carefully install B237-7 battery.
b. Aft battery: Open baggage compartment door. Refer to Figure 96-1.
i. If B237-7 battery was removed and B237-8 battery is being installed: Remove
hardware securing G131-1 shim to G249-1 tray and remove shim. Install
hardware securing shim to G131-2 plate as shown. Verify security. Carefully
install B237-8 battery.
ii. If B237-8 battery was removed and B237-7 battery is being installed: Remove
hardware securing G131-1 shim to G131-2 plate. Install hardware securing shim
to G249-1 tray as shown. Verify security. Carefully install B237-7 battery.
iii. If the battery being installed is the same part number as the battery that was
removed: Verify security, proper orientation, and installation of G131-1 shim and
G131-2 plate. Carefully install battery.
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