Check power to safety interlock system .
solenoid up front by boom bucket pedals.
Seat switch can be jumped to override it temporarily.
I have one of these 785 best machine I ever owned.
Check suction intake screen under seat a vertical standpipe with a 7/8 hex on top unscrew and pull screen out.
It feeds charge pump and gets clogged often. Machine won't move fast and cavitation noise will occur in cold weather especially.
I run 10w-30 motor oil since 1994 over 7000 hours no major issues.
On my you tube channel "Mitzvos Golem." Has videos of it with hammer .
