Hand-thread the thumbscrews into the front cover's threaded inserts. Tighten by hand only — the cover seal is drawn tight by the unit's vacuum, not by mechanical force. Overtightening can strip the cover insert.
VANIMAN Dust collector front covers across the Vanguard, Voyager, and Van-i-Vac series. Not interchangeable with the V6 cover hardware.
Genuine VANIMAN OEM part — Mfg #2984. Compatibility with non-VANIMAN equipment is not guaranteed; consult VANIMAN or your authorized dealer before purchase if used outside the typical scope.