REAR WINDOW DEFOGGER - Filament Repair
EL-119prose procedureFilament Repair
REPAIR EQUIPMENT
- 1Conductive silver composition (Dupont No. 4817 or equivalent)
- 2Ruler 30 cm (11.8 in) long
- 3Drawing pen
- 4Heat gun
- 5Alcohol
- 6Cloth
REPAIRING PROCEDURE
- 1Wipe broken heat wire and its surrounding area clean with a cloth dampened in alcohol.
- 2Apply a small amount of conductive silver composition to tip of drawing pen.
- 3Place 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.
- 4After repair has been completed, check repaired wire for continuity. This check should be conducted 10 minutes after silver composition is deposited.
- 5Apply 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.
NOTE
Shake silver composition container before use.
CAUTION
Do not touch repaired area while test is being conducted.