Desa 107624-01 Log Supported On One End, Log Supported On Both Ends, TRIMMING A TREE Pruning

OPERATING CHAIN SAW

Continued

Log Supported On One End

1.Make Þrst cut on underside of log (see Figure 15). Use top of guide bar to make this cut. Cut 1/3 through diameter of log. This cut will keep sec- tion from splintering when cut.

2.Make second cut directly above Þrst cut. Cut down to meet Þrst cut. This cut will keep log from pinching guide bar and chain.

Log Supported On Both Ends

1.Make Þrst cut from above log (see Figure 16). Cut 1/3 through diameter of log. This cut will keep section from splintering when cut.

2.Make second cut on underside of log, directly under Þrst cut. Use top of guide bar to make this cut. Cut up to meet Þrst cut. This will keep log from pinching guide bar and chain.

TRIMMING A TREE (Pruning)

WARNING: Avoid kickback. Kick- back can result in severe injury or death. See Kickback, pages 4 and 5, to avoid risk of kickback.

2nd Cut

1st Cut

Figure 15 - Bucking Log When Log Is Supported On One End

1st Cut

WARNING: Do not operate chain saw while

¥in a tree

¥on a ladder or any other unstable sur- face

¥in any awkward position

You may lose control of saw causing severe injury.

WARNING: Do not cut limbs higher than your shoulders.

CAUTION: Seek professional help if facing conditions beyond your ability.

Trimming a tree is the process of cutting limbs from a living tree. Make sure your footing is Þrm. Keep feet apart. Divide your weight evenly on both feet. Follow directions below to trim a tree.

1.Make Þrst cut six inches from tree trunk on un- derside of limb. Use top of guide bar to make this cut. Cut 1/3 through diameter of limb (see Figure 17).

2.Move two to four inches farther out on limb. Make second cut from above limb. Continue cut until you cut limb off.

3.Make third cut as close to tree trunk as possible on underside of limb stub. Use top of guide bar to make this cut. Cut 1/3 through diameter of stub.

4.Make fourth cut directly above third cut. Cut down to meet third cut. This will remove limb stub.

2nd Cut - Pruning Cut (to avoid pinching)

4th Cut - Final Stub Cut

6"

(15 cm)

2" to 4"

(5 a 10 cm)

1st Cut - Pruning Undercut (to avoid splintering)

ENGLISH

2nd Cut

Figure 16 - Bucking Log When Log Is Supported On Both Ends

3rd Cut - Stub Undercut (to avoid splintering)

Figure 17 - Cutting A Limb

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107705-01 15 12/16/03, 4:07 PM