vertical mixing in digester tank

Landia Chopper Pump MPTK-I 150 30.2 HP 1800

same as: PMP05

maintenance schedule from manual
for more info read the operations and maintenance manual
Bill disassembling plumbing above pump 06
if pipe above pump 6 gets clogged, it is possible to hook it up to a vaccum truck and suck it out.
coupling between pump and upper valve