Craftsman 315.220381 User Manual download pdf (Page 43)

OPERATION

BASIC OPERATION OF THE RADIAL

ARM SAW

A radial arm saw can be used for straight-line cutting

operations such as cross cutting, ripping, mitering,

beveiing, compound cutting, and resawing. It can

make dado or molding cuts with special attachments.

This saw is designed to cut wood and wood composi

tion products only.

The three-prong plug must be plugged into a match

ing outlet that is properly installed and grounded

according to all local codes and ordinances. Improper

connection of the equipment can result in electric

shock. Check with an electrician or senrice personnel

if you are unsure about proper grounding. Do not

modify the plug; if it will not fit the outlet, have the

correct outlet installed by a qualified electrician. Refer

to the Electrical page of this manual.

TYPES OF CUTS

See Figure 35.

The radial saw makes cross cuts parallel with the arm

(across the grain), and rip cuts square to the arm (with

the grain). Each can be made with the blade vertical

or beveled. Instructions for making each kind of cut

are given later in this section.

A WARNING: All blades and cutting accessories

must be rated for at least 5,000 rpm to prevent

possible injury.

CROSS CUTS

Cross cuts are made parallel to the arm. The blade is

pulled along the Ien0h of the radial arm with the wood

secured.

There are several types of cross cuts. A cross cut

shows 0* on the miter scale (ann straight) and O’ on

the bevel scale (blade straight). A miter cut \s made

with the radial arm angled and the blade straight. A

bevei cut is produced with the arm straight and the

blade angled.

A final type of cross cut is the compound cross cut

Both the arm and the blade are angled. Be thoroughly

familiar with making cross cuts, bevel cuts, and miter

cuts before trying a compound miter cut.

Note: In cross cuts, the blade teeth point down as

they strike the wood. In rip cuts, the teeth point

up as they strike the wood.

VV WARNING: NEVER make a cross cut with the

short edge of the wood parallel to the fence. Kick

back is likely to occur, causing the workpiece to

be thrown back at you. Treat such a workpiece

as a rip cut.

RIP CUTS

In rip outs, the yoke is rotated 90’ left or right and

locked in place. The wood must ride firmly against the

rip fence. There are two orientations of rip cuts - the

in-rip and the out-rip. The in-rip position provides

better visibility. Out-rip cuts can also be made with the

blade beveled.

In an in-rip cut, the yoke is rotated to the left, which

puts the blade in between the column and the motor.

The wood Is fed from the right hand side.

In an out-rip cut, the blade is in front of the motor, and

the wood is fed from the left. Out-rip cutting is recom

mended only when the blade is set 12 in. or more

from the fence.

iV WARNING: Always make sure the blade guard

and anti-kickback pawrfs are in place and working

properly when making rip cuts to avoid possible

injury.

A WARNING: Always use a pushstlck with small

pieces of wood, and also to finish the cut when

ripping a long narrow piece of wood, to prevent

your hands from getting close to the blade.

BIPCUT

CRUFTSMUir RADIAL SAW 315.220381

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Craftsman 315.220381 User Manual Page 43

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