Burner Access And Assembly; Nuts Tightening Sequence - Weil-McLain ULTRA ULTRA-105 Service Manual

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