Doesn't take much to pull apart, but a vise and a big wrench is a big help. There are springs and shims in side that can be replaced depending on result of pop test. You might want to do a purge first. I paid $12 for the test, $20 each for new nozzles. And I recommend replacing those washers. Cleaning consists of pulling apart, and spraying with brake cleaner.

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83 SD

84 CD