REMOVAL AND INSTALLATION


caution
  • If the main battery is replaced, the "preliminary application" is required before replacement. (For the details, contact Mitsubishi Motors dealer.) If the main battery is replaced without approval by the "preliminary application", it is excluded from the scope of the warranty. Be careful.
  • After replacing the main battery, use the M.U.T.-III to reset the main battery capacity estimation information and control information.(Refer to .)
danger
  • When servicing the high-voltage system parts, be sure to wear the specified protection equipment and disconnect the service plug to interrupt the high-voltage supply (Refer to ).
  • Do not disassemble any main battery other than those described in this manual.
Pre-removal operation
  • Removal of front floor cover A, B (Refer to GROUP 51 - Under Cover .)
  • Floor duct removal (Refer to GROUP 55 - Duct .)

 Post-installation operation
  • Floor duct installation (Refer to GROUP 55 - Duct .)
  • Installation of front floor cover A, B (Refer to GROUP 51 - Under Cover .)




Removal steps
<<A>>
1.
 Rubber boot connection

>>D<<
 2.
 Service hole lid


3.
 O-ring
<<B>>
 >>C<<
 4.
 Main battery cable connection

>>C<<
 5.
 O-ring


6.
 Earth cable connection




Removal steps

>>D<<
 7.
 Service hole lid


8.
 O-ring
<<C>>
 >>C<<
 9.
 Quick charging cable connection


10.
 O-ring


11.
 Connector connection




Removal steps

>>B<<
 12.
 Floor frame plate
<<D>>
 >>A<<
 13.
 Main battery assembly


14.
 (Earth cable)

REMOVAL SERVICE POINTS

<<A>> RUBBER BOOT DISCONNECTION



Disengage the hook of the rubber boot and push it out of the vehicle (towards under the vehicle).

<<B>> MAIN BATTERY CABLE DISCONNECTION

1.Remove the inner cable mounting bolts (2 locations).
2.Remove the outer cable mounting bolts (2 locations).
3.Pull out the cable from the main battery.

<<C>> QUICK CHARGING CABLE DISCONNECTION

1.Remove the inner cable mounting bolts (2 locations).
2.Remove the outer cable mounting bolts (2 locations).
3.Pull out the cable from the main battery.

<<D>> MAIN BATTERY ASSEMBLY REMOVAL
1.Attach the removed work hole lid and O-ring to the main battery so that no water, foreign material, etc. enter the inside of the main battery.


2.Use the following special tools and 2 wood blocks (100 x 100 x 1500 mm).
(1) Remove the handle of the EV battery cart (special tool: MB992336) and set the wood blocks.
(2) When the vehicle is lowered with the lift using the above special tool (MB992336), if the lower stopper lock does not work, use the EV battery lifting cart (special tool: MB992659) instead.
note For how to use the EV battery lifting cart in detail, refer to the provided "Operation Manual".
3.With the main battery installed on the vehicle, remove the mounting bolts (2 at front and 2 at rear of the main battery).
4.Loosen the remaining mounting bolts (6 locations).

5.Lower the vehicle with the lift until just before the bottom of the main battery contacts the wood block.
6.Remove all the mounting bolts on the main battery.

7.
caution Be careful of damage due to wiring harness caught or hooked.
Raise the vehicle with the lift and remove the main battery.


8.
danger
  • Store the main battery on a place with no risk of wetting.
  • Do not bring the main battery close to fire or heat it to 60°C or more.
Cover around the air outlet of the main battery (computer unit portion) with a vinyl sheet or others so that no water, foreign material, etc. enter the inside of the main battery.




9.When moving the removed main battery with a crane or others, use the EV battery sling tool kit (special tool: MB992343) to sling it up in accordance with the following procedure.

  • EV battery sling tool kit (MB992343)

    • Eye bolts (MB992344 x 4)
    • EV battery sling belts (MB992345 x 2)
    • Washers (MF450156 x 8)
    • Hexagon nuts (MU001480 x 4)
note For how to use the EV battery sling belt in detail, refer to the provided "Operation Manual".
(1) Mark the centre of the EV battery sling belt (MB992345) and positions 275 mm right and left from the centre.
note The marking is intended for alignment of the EV battery sling belt and eye bolt.
(2) Install the eye bolts (MB992344), washers (MF450156) and nuts (MU001480) onto the positions (2 each at the right and left) on the main battery as shown in the figure.
(3) Pass the EV battery sling belt through the eye bolts and align the marks on the EV battery sling belt to the eye bolt positions.
(4) Bind 2 EV battery sling belts together and sling up the main battery with a crane or others.

INSTALLATION SERVICE POINTS

>>A<< MAIN BATTERY ASSEMBLY INSTALLATION


1.Install the EV battery guide (special tool: MB992327) onto the 2 main battery installation positions on the vehicle.

2.
caution Be careful of damage due to wiring harness caught or hooked.
Lower the vehicle with the lift while checking the relative positions of the EV battery guide installed on the vehicle and installation hole for the main battery.
3.Temporarily tighten the main battery mounting bolts other than those for the EV battery guide installation.
4.Remove the EV battery guide from the vehicle and temporarily tighten the mounting bolts.
5.Tighten all the mounting bolts to the specified torque.
Tightening torque: 115 ± 37 N·m

>>B<< FLOOR FRAME PLATE INSTALLATION
1.Remove the sealant adhering to the floor frame plate mounting bolts, main battery, and vehicle.
2.Apply the sealant to the threads of the floor frame plate mounting bolts.
Sealant: ThreeBond 1324N
note After applying the sealant, immediately install the mounting bolts.
3.
caution After installing the part, do not apply oil or water on the sealant applied area or activate the electric motor unit until a sufficient time (1 hour or longer) has passed.
Tighten the floor frame plate mounting bolts to the specified torque.
Tightening torque: 20 ± 4 N·m

>>C<< O-RING INSTALLATION/CABLE CONNECTION
1.Apply the specified grease to the O-ring and install it to the cable.
Grease: Niglube RM
2.Install the cable onto the main battery.
3.Install the outer cable mounting bolts and inner cable mounting bolts in this order and tighten them to the specified torque.
Tightening torque: 7.0 ± 3.0 N·m

>>D<< WORK HOLE LID INSTALLATION
1.Temporarily tighten each mounting bolt on the work hole lid.

2. Using the torque wrench (special tool: MB992295), tighten 2 mounting bolts at the centre to the specified torque respectively.
Tightening torque: 4.2 ± 1.2 N·m
3. Using the special tool, tighten the remaining mounting bolts to the specified torque respectively.
Tightening torque: 4.2 ± 1.2 N·m