Nissan Micra K11 silhouetteK11

REAR WINDOW DEFOGGER - Filament Repair

EL-119prose procedure
Continued from EL-118

Filament Repair

Repair Equipment

  1. 1
    Conductive silver composition (Dupont No. 4817 or equivalent)
  2. 2
    Ruler 30 cm (11.8 in) long
  3. 3
    Drawing pen
  4. 4
    Heat gun
  5. 5
    Alcohol
  6. 6
    Cloth

Repairing Procedure

  1. 1
    Wipe broken heat wire and its surrounding area clean with a cloth dampened in alcohol.
  2. 2
    Apply a small amount of conductive silver composition to tip of drawing pen.
    Shake silver composition container before use.
  3. 3
    Place ruler on glass along broken line. Deposit conductive silver composition on break with drawing pen. Slightly overlap existing heat wire on both sides [preferably 5 mm (0.20 in)] of the break.
    Heat-wire (filament) repair illustration. Shows a broken heat wire with a 'Break', a ruler placed along the broken line, and a drawing pen depositing conductive silver composition. Overlap dimensions of 5 mm (0.20 in) marked on each side of the break. Unit: mm (in).
    BE540
  4. 4
    After repair has been completed, check repaired wire for continuity. This check should be conducted 10 minutes after silver composition is deposited.
    Do not touch repaired area while test is being conducted.
    Continuity check of repaired point with a tester (ohmmeter) connected across the repaired filament section. Label 'Repaired point' with arrow to the repaired filament.
    SEL012D
  5. 5
    Apply a constant stream of hot air directly to the repaired area for approximately 20 minutes with a heat gun. A minimum distance of 3 cm (1.2 in) should be kept between repaired area and hot air outlet. If a heat gun is not available, let the repaired area dry for 24 hours.
    Heat gun directing hot air at the repaired point on the rear window defogger to dry the silver composition. Labels 'Repaired point' (with X mark) and 'Heat gun'.
    SEL013D
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