Model 8210/8250 Maintenance Manual Section 7. Component Procedures
Electrical Components Lithium-Ion Battery
Publication: 1146945/001, Revised: 25 Sep 2018 7-61
Cooling Fan
Cooling Fan Removal
Perform the following steps to remove the
Cooling Fan.
1. If equipped with the optional keypad,
press the red OFF ( O ) key. Place the Main
ON/OFF Switch in the OFF position.
Disconnect the battery connector from the
truck.
2. Remove the top cover. See “Top Cover
Removal” on page 7-49.
3. Remove the front cover. See “Front Cover
Removal” on page 7-50.
4. Unplug the cooling fan from the connector.
5. Unscrew the four cooling fan screws
mounting the fan to the lithium-ion
battery.
Figure 7-76. Fan Mounting Screws
6. Remove the cooling fan and all related
hardware.
Cooling Fan Installation
Perform the following steps to install the cooling
fan.
1. Align the cooling fan to the four mounting
screw holes on the lithium-ion battery.
2. Guide the four screws into the fan and into
the lithium-ion battery,
3. Place the four cooling fan spacers on the
screws once the screws are guided all the
way through.
4. Screw the four cooling fan mounting
screws.
5. Install fasteners. Torque fasteners to
0.9 ft. lb. (1.2 Nm).
6. Connect the cooling fan to the cooling fan
connector inside the lithium-ion battery.
7. Install the front cover. See “Front Cover
Installation” on page 7-50.
8. Install the top cover. See “Top Cover
Installation” on page 7-49.
9. Reconnect the battery connector. Place the
Main ON/OFF Switch in the ON position.
If equipped with the optional keypad, enter
your PIN-key code and then press the
green ON ( | ) key.
10. Test the operation of the truck.
SBX Cable Assembly
Figure 7-77. BMC Component Locations
SBX Cable Assembly Removal
Perform the following steps to remove the SBX
Cable Assembly. Refer to Figure 7-77.
1. If equipped with the optional keypad,
press the red OFF ( O ) key. Place the Main
ON/OFF Switch in the OFF position.
Disconnect the battery connector from the
truck.
2. Remove the top cover. See “Top Cover
Removal” on page 7-49.
Property of American Airlines