Nissan Leaf. Instruction — part 478
LI-ION BATTERY
EVB-195
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• If adhesive cutting particles enter the battery pack, clean (use of air blow is prohibited) when
assembling so that no particles remain on the battery module, bus bar, and high-voltage har-
ness.
• Operation must be performed by 2 persons. Be careful that the battery pack upper case does not
contact the battery module.
INSTALLATION
1. To remove remaining adhesive on the battery pack upper case and battery pack lower case , use a
scraper (B), and cut so that the surface is smooth, leaving approximately 1 – 2 mm (0.04 – 0.08 in) of
adhesive behind.
CAUTION:
• Because airtightness leakage is likely to occur, cut the seal in such a way that burrs are not pro-
duced.
• Be careful not to damage the paint sealant.
- If the paint sealant on a straight section is damaged in excess of the limit, the battery pack lower
case must be replaced. If the paint sealant damage is less than the limit, repair by applying
primer (adhesive primer: 999MP-43533PP).
- If the paint sealant damage on a corner is damaged, repair by applying primer (adhesive primer:
999MP-43533PP).
NOTE:
• Leave 1 – 2 mm (0.04 – 0.08 in) of adhesive so that the battery pack coating surface and paint sealant
are not damaged.
• Sharpen the blade of the scraper.
2. Repair scratches to the battery pack upper case by the following procedure.
a. Protect the seal with masking tape .
NOTE:
If primer surfacer (anti-corrosion primer) contacts the seal, the
adhesive strength is reduced.
b. Spray primer surfacer (anti-corrosion primer) (B) into the cracks
in the battery pack upper case.
Paint sealant damage limit:
Continuous length of undamaged section:
: 210 mm (8.27 in) or more
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EVB-196
< UNIT DISASSEMBLY AND ASSEMBLY >
LI-ION BATTERY
3. Install a carabiner (A) onto the bracket of the battery pack upper
case.
NOTE:
This is to provide a handle for use after the adhesive is applied
and prevent adhesive from adhering to the operator's hands.
4. Apply dam rubber (KA390-0059U) on the inside of the old adhesive on the battery pack lower case.
WARNING:
To prevent electric shock, wear insulated protective gear.
CAUTION:
If dam rubber is already applied there, replace it with new dam rubber.
NOTE:
Apply the dam rubber so that adhesive does not enter the inner side. If the adhesive enters the inner side,
then the next time the battery pack is disassembled, the windshield cutter may not be able to reach the
adhesive and removing the battery pack upper case may be difficult.
5. Apply adhesive (999MP-57302NP) to the battery pack lower case as shown in the figure.
WARNING:
To prevent electric shock, wear insulated protective gear.
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C
: 10 mm (0.39 in)
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LI-ION BATTERY
EVB-197
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CAUTION:
• Because there is a risk of airtightness leakage, apply the adhesive so that there are no seams or
overlaps.
• Complete installation of the battery pack upper case before the adhesive surface hardens. The
adhesive begins to harden in as little as 12 minutes. [Humidity: 80%, Temperature: 35
°C (95°F)]
• Before installing the battery pack upper case, check that there are no locations of insufficient
adhesive. If there is insufficient adhesive, correct the location. (If the adhesive height is lower
than the height of the dam rubber, then the amount of adhesive is insufficient.)
• Do not apply too much adhesive as doing so may make work difficult the next time the battery
pack upper case is removed.
NOTE:
A
: 5 mm (0.20 in)
B
: 10 mm (0.39 in)
: Old adhesive
: Dam rubber
E
: 50 mm (1.97 in) or more
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EVB-198
< UNIT DISASSEMBLY AND ASSEMBLY >
LI-ION BATTERY
• For applying the adhesive in a triangle, cut the end of the nozzle as shown in the figure.
6. Grasp the carabiner installed in Step 3, and install the battery pack upper case while visually aligning the
alignment holes on the battery pack upper case and battery pack lower case .
WARNING:
To prevent electric shock, wear insulated protective gear.
CAUTION:
• Operation must be performed by 2 persons. Be careful
that the battery pack upper case does not contact the bat-
tery module.
• Moving the upper case after it is installed makes airtight-
ness leakage more likely. Therefore, position the upper
case carefully.
Nozzle inner diameter (A) : Approx. 5 mm (0.20 in)
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