Dust covers are always lost or cracked for these, as well as the 115d, 117d, 512, etc. Anyway here's a list of compatible dust covers which may be helpful:
Use Part No. PXB-007
This TT is amazing, really, and is another example of the fact that the Japanese gear from the late-1970's was made for budget-minded folks with high standards. Properly set-up, this deck sounds great, and with the Ortofon Super OM10 i have on it, it plays through anything and sounds great! 100% manual and belt-driven. No auto-return. The 45-adapter hole on the plinth holds a second head-shell, in case you want a deep-groove cartridge, or whatever, on hand.