Ryobi TR31 User Manual download pdf (Page 11)

Page 11

DIRECTION OF FEED AND THRUST

See Figures 8 and 9.

The trimmer motor and cutter revolve in a clockwise direc-

tion. This gives the tool a slight tendency to twist (in your

hands) in a counterclockwise direction, especially when the

motor starts.

Because of the extremely high speed of cutter rotation during

a “proper feeding” operation, there is very little kickback to

contend with under normal conditions. However, should the

cutter strike a knot, hard grain, foreign object, etc. that would

affect the normal progress of the cutting action, there will be

a slight kickback — sufficient to spoil the trueness of your cut

if you are not prepared. Such a kickback is always in the

direction opposite to the direction of cutter rotation.

To guard against such a kickback, plan your setup and

direction of feed so that you will always be thrusting the tool

— to hold it against whatever you are using to guide the cut

— in the same direction that the leading edge of the cutter is

moving. In short, the thrust should be in a direction that keeps

the sharp edges of the cutter continuously biting straight into

new (uncut) wood.

EXTENSION CORDS

The use of any extension cord will cause some loss of power.

To keep the loss to a minimum and to prevent tool

overheating, use an extension cord that is heavy enough to

carry the current the tool will draw.

A wire gage size (A.W.G.) of at least 16 is recommended for

an extension cord 100 feet or less in length. When working

outdoors, use an extension cord that is suitable for outdoor

use. The cord's jacket will be marked WA.

CAUTION:

Keep extension cords away from any trimming area and

position the cord so that it will not get caught on lumber,

tools, etc., during trimming operation.

WARNING:

Check extension cords before each use. If damaged

replace immediately. Never use tool with a damaged cord

since touching the damaged area could cause electrical

shock resulting in serious injury.

OPERATION

TRIMMER FEED

DIRECTION

BIT

ROTATION

TRIMMER FEED

DIRECTION

TRIMMER FEED

DIRECTION

TRIM END

GRAINS FIRST

THRUST

FEED

GUIDE

FEED

GUIDE INSIDE

GUIDE OUTSIDE

THRUST

Fig. 9

Fig. 8

GUIDE

BIT

ROTATION

1 ... 10 11 12 13 14 15 16

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Ryobi TR31 User Manual Page 11

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