Weil-McLain ULTRA 230 - Manual (Page 37)

37
Part number 550-100-029/0810
GAS
-
FIRED WATER BOILER SERIES 1 & 2
— Control supplement & Service guide
&IGURE Burner access and assembly (you must use the Maintenance Kit listed on page 33)
&IGURE Gradually tighten the nuts, repeating the sequence shown below until the torque reaches 50 inch-pounds (+/-
10 inch-pounds)
Boiler maintenance procedure
(continued)