M977 Through M985 General Operating Procedures (Cont)
2-15.1. OPERATE DRAIN PLUG.
A drain plug is located under operator seat and crew
seat on newer vehicles.
Remove Drain Plug.
Pull up on lever (1).
Remove drain plug (2) to drain any liquid from floor of cab.
b. lnstall Drain Plug.
Push drain plug (2) in opening on cab floor.
Press down on lever (1) to secure drain plug (2).