Space-Ray LTU 160/100-N7 Installation And Operation Instructions Manual page 27

5. For LTS225-250 Models, join the first two body sections as illustrated below.
a) Join the tube flanges of the body sections together with the gasket in between. Loosely attach the
heater body sections together with the ¼-20 screws and locknuts provided. DO NOT fully tighten the
screws and locknuts yet!
b) Tighten the screws and locknuts using the sequence shown. The screws and locknuts should be
tightened a little bit at a time (the same way you would secure the lug nuts to a car wheel).
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Form #43155010
Dec 2017