Weil-McLain SlimFit Manual page 114

SlimFit
™
commercial condensing gas
Maintenance
Figure 106
Cleanout plate nut tightening sequences
114
-
fired water boiler
(continued)
— Boiler Manual
Gradually tighten the cleanout
plate nuts in the sequence shown
in Figure 106 until torque reaches
18 N-m/160 in-lbs/13 ft-lbs.
If the tightening is not done using
this top-to-bottom, center out
method, the plate could buckle,
allowing a flue gas leakage.
Part number 550-100-116/0713