4. BMU REMOVAL AND INSTALLATION
danger
When servicing the high voltage components, be sure to wear an insulating protective equipment to measure the high voltage (Refer to
PRECAUTIONS ON HOW TO USE THE HIGH-VOLTAGE VEHICLE
).
caution
When replacing the BMU, save the battery information before the drive battery removal (Refer to
SAVING AND WRITING BATTERY INFORMATION DATA
).
After replacing the BMU, perform the following operations.
Battery information writing (Refer to
SAVING AND WRITING BATTERY INFORMATION DATA
)
Vehicle specification writing (Refer to
VEHICLE SPECIFICATION WRITING
)
Required Special Tools:
MB992915: Electric insulation sheet
Removal steps
1.
Service plug box bus bar (C)
2.
Ground bolt
3.
Battery upper plate (D)
4.
Bus bar between battery modules (C)
5.
Bus bar between battery modules (D)
•
BMU connector connection
•
Cell voltage wiring harness connector connection
6.
Battery Management Unit (BMU) assembly
7.
Battery Management Unit (BMU) braket
8.
Battery Management Unit (BMU) lower plate
9.
Battery Management Unit (BMU)
INSTALLATION SERVICE POINTS
>>A<< BATTERY UPPER PLATE (D) INSTALLATION
1.
Install the battery upper plate (D), and temporarily tighten the battery upper plate (D) mounting bolts to the specified torque.
Tightening torque: 13 ± 2 N·m (115 ± 17 in-lb)
2.
Fully tighten the battery upper plate (D) mounting bolts to the specified torque..
Tightening torque: 15 ± 1.5 N·m (133 ± 13 in-lb)
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).)