Disassembling and assembling the waterproof casing
1 – expansion clamp;
2 – lid (from two parts);
3 – seal of the waterproof casing (put on the flange)
Disassembly
1. Unscrew the windshield wiper.
2. After unscrewing the upper part of the expansion clamp 1 by several turns, remove the expansion clamp.
3. Remove the cover parts.