Thermo Pride OD6FA072D48R Installation And Operation Manual page 53

TURN T-HANDLE
COUNTER-CLOCKWISE
TO LOOSEN & REMOVE
PLUG ASSEMBLY
Figure 24: Heat Exchanger Clean-Outs
Fig. 25: Recommended method and device for cleaning inside of heat exchanger.
CLEAN-OUT PLUG ASSEMBLY
T-HANDLE
(PART OF CLEAN-OUT PLUG ASSEMBLY)
50
HEAT EXCHANGER CLEAN-OUT
ACCESS (TUBE)