Burnham FREEDOM - Page 25

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6) Uselockingbandsprovidedtojoinadjacentsectionsofnon-cuttablepipeaswellasttings.Themaleendoftheterminal
sectionandothercuttablesectionsmustbeheldtothefemaleendoftheadjoiningpipewithatleastthree#10x1/2”
sheetmetalscrews.Drilla1/8"holethroughbothouterpipestostartthisscrew.Use a drill stop or other means to
ensure that the drill bit does penetrate more than 3/8” into the outer pipe. Do not use a sheet metal screw longer
than 1/2”.
7) Theonlystraightpipethatcanbecutistheterminalsectionandthe19-1/2”section(P/N101142-01)andthe80/125
straightriser(P/N101163-01).Tocutthispipe:
a) Cutpipefromthemaleend.Aftermarkingthedesiredlengthoftheouterpipe,removetheplasticinnerpipeby
pullingitoutfromthefemaleend.
b)Cuttheouter pipe onlyatthepointmarkedinStep(b)usingaviationshears,ahacksaw,oranabrasivewheelcutter.
Becarefultocutthepipesquare.De-burrthecutendwithaleoremorycloth.
c)Cuttheplasticinnerpipesothatitwillprotrude3/8”beyondtheouterpipewhenreinstalledintheouterpipe.Usea
netoothhacksaworaPVCsawtocuttheplasticpipeandbecarefultocutthepipesquare.De-burrthecutedgeof
theplasticpipewithale,razorblade,ornesandpaper.
d)Reinstalltheinnerpipe.
8) InstalltheterminalasoutlinedinStep(4)above.Dimension“L”describedinStep4isthedistancefromtheexterior
surfaceofthewalltotheendofthelastpieceofpipeinsidethebuilding.
Figure 7.22: Cutting Outer Pipe
Figure 7.23: Cutting Inner Pipe