Ryobi RBS904 Mode D'emploi page 16

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and hex nuts.
notE: it may be necessary to countersink hex nuts and
washers on bottom side of mounting board.
■ Mount saw to board using holes in saw base as a
template for hole pattern. Locate and mark the holes
where the band saw is to be mounted.
■ Follow the last three steps in the section Mounting
Band saw to workbench, shown above.
MountinG tHE saw taBlE
See Figures 5, 7.
■ Remove the d-nut, washers, and wing screw on the
saw table.
■ Standing at the front of the band saw, slide the saw
table past the blade and through the slot moving from
the right side of the saw table to the left.
■ Holding the saw table with your left hand while pulling
the angle adjustment knob away from the saw frame,
align the teeth on the saw table bracket into the teeth
on the angle adjustment knob. Release the knob.
■ Fit the pins on the frame into the slots of the saw table
bracket.
■ Insert the washer on the threaded end of the table
lock lever. Tighten the saw table to the saw frame by
turning the table lock lever clockwise.
■ Attach the d-nut, washers, and wing screw to the saw
table.
notE: the wing screw goes below the saw table.
installinG ExtEnsion support
See Figure 6.
■ Insert the tubes of the extension support into the holes
in the saw base from the rear.
■ Align the holes on the tubes and those on the saw
base.
■ Insert locking bolts and tighten with washers and hex
nuts.
sQuarinG tHE saw taBlE to tHE BlaDE
See Figures 8 - 9.
■ Turn the lock knob counterclockwise to unlock the
blade guide assembly. Turning the blade guide
adjustment knob clockwise, raise the blade guide
assembly as far as it will go. Turn the lock knob
clockwise to retighten.
■ Place a small combination square on the saw table
beside the blade.
■ Loosen the table lock lever and rotate the angle
adjustment knob to tilt the saw table up or down to
align table 90° to blade (0° position). Retighten the
table lock lever.
PT DA SV FI NO RU
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■ Turn the adjusting bolt until the bolt just touches the
saw housing.
■ Check squareness of the saw table to the blade. Make
readjustments if necessary.
■ Set scale indicator to zero and tighten screw with a
phillips screwdriver.
notE: always make a test cut to insure the squareness of
the blade prior to beginning any new project. If not square,
it may be necessary to loosen the screws under the saw
table to make the adjustment (mitre slot must be parallel to
the saw blade). Once square, retighten screws.
aDJustinG BlaDE tEnsion
See Figures 10-11.
■ Switch off the saw.
■ Before using the band saw, turn the blade tension knob
on the top of the saw clockwise to engage tension.
■ Note: adjustments of blade tension can be made at
anytime.
■ Pluck the back straight edge of the saw blade like a
guitar string while turning the tension knob.
Sound becomes higher pitched as tension increases.
Never increase blade tension so tight as to completely
compress the spring. When completely compressed, the
spring can no longer act as a shock absorber.
Too much tension may cause the blade to break. Thicker
workpieces require higher tension; maximum tension is
not needed for all cuts. Too little tension may cause the
blade to slip on the wheels.
tracKinG tHE BlaDE
See Figure 11.
Adjust blade tension properly before making tracking
adjustments. Check that blade guides do not interfere
with the blade. Blade gullet (the deepest part of the blade
tooth) should be in the centre of the tire.
to adjust:
Disconnect from power. Open front covers by unscrewing
the cover locking screw. Watch the blade's position on the
upper tire as, by hand, you slowly turn the upper wheel
clockwise. If the blade moves away from the centre of the
tire, the tracking must be adjusted.
if the blade has moved left or right of centre:
■ Turn the blade tracking knob (clockwise if blade has
moved left; counterclockwise if blade has moved right)
while turning the wheel by hand until the blade moves
back and rides in the centre of the tire.
■ Check the position of the blade on the lower tire. The
blade should be completely on the tire (gullet of the
blade teeth in the centre). If not, adjust the tracking
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