Johnson-level-tool-mfg RAS-1 Manuale Utente Scaricare il pdf (Pagina 23)

STEP 3. BOTTOM OR TAIL PLUMB CUT: Measure down the

topofthevalleyrafterfromtheSEATPLUMBMARKand

markthetaillength(inourexample:2'8-7/8").Besureto

add the miter allowanceinthemeasurement,ifused(see

Figure 13). Make the bottom plumb mark with the square

in the normal manner.

STEP 4. RAFTER PATTERN CUTS: To make the top and

bottomcuts,tiltthesawat45°(seeFigure13).Alsomake

theseatmitercuts.Nowchangethesawtiltto90°forthe

horizontal seat cut. You may want to check for proper ﬁt

and use this rafter as a pattern for the other valley rafters.

FIG. 12 View of Valley Rafter Layout.

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Johnson-level-tool-mfg RAS-1 Manuale Utente Pagina 23