Sears 358.356090-3.7/20 manual Bucking, Through the log and finish with a 2/3 cut on, 2ND CUT

Page 16

C.BUCKING

Bucking is the term used for.cutting a fallen tree to the desired log size.

1. IMPORTANT POINTS

a.Cut only one log at a time.

b.Cut shattered wood very carefuilyl Sharp pieces of wood could be flung toward the

operator.

c.Use a sawhorse to cut small logs. Never allow another person to hold the log while cut- ting and never hold the log with your leg or foot.

d.Give special attention to logs under strain to prevent the saw from pinching. Make the first cut Onthe compression side to relieve the

WARNING!

Never turn the sawupside down to undercut, The saw cannot be controlled in this position.

1ST CUT PRESSU RE SIDE

..--_

stress on the log. (Figure 31)

e.Do not cut in an area where logs, limbs and roots are tangled such as in a blown down area. Drag the logs intoa clear area before cut-

ting by pulling out exposed and cleared togs

....................................................7 first: .............................................................................................................................................

f."_Make the first bucking cut 1/3 of the way

. through the log and finish with a 2/3 cut on

the opposite side. As the log is being cut, it will tend to bend. The saw can become

.... ' pinched or hung in the log if you make the first

cut deeper than 1/3 of the diameter of the log.

2.TYPES OF CUTTING USED Figure 32.

--Overcutting - begin on the top side of the log with the spur against the log: exert light pressure downward.

m Undercutting - begin on the under side of the log with the top of the saw against the log; exert

light pressure upward. During undercutting,

the saw will tend to push back at you. Be pre-OVERCUT

pared for this reaction and hold the saw firmly to maintain control.

WARNING!

If saw becomes pinched or hungin a log, don'ttry to force it out. You could lose control of the saw re-

sulting in personal injury and/or damage to the

saw. Stop the saw and driveawedge ofplastic, wood orlight alloy into the cut until'saw can be re- moved easily. Figure 33. Do not use a Steel or iron wedge to avoid kickback and chain damage,

3. BUCKING--WITHOUT A SUPPORT

a.Overcut with a 1/3 diameter cut.

b.Roll log over and finish with an ovemut.

. BUCKING -- USING ANOTHER LOG AS A SUPPORT (Figure 34):

WARNING!

Do not stand on the log being cut. The cut portion will roll down hill.

a.In areaA:

1.) Undercut 1/3 of the way through the log.

2.) Finish With an overcut.

2ND CUT

Figure 31 _ ......

UNDERCUT

Figure32

WEDGE USED TO

HOLD CUT OPEN

/

i

/

Figure 33

b.In area B:

1.) Overcut, 1/3 of the waythrough the log.

2.) Finish with an undercut.

ANOTHER

- - .'_?: --__

LOG AS A SUPPORT

" _

 

Figure 34

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Image 16
Contents Operators manual Contents SpecificationsSafety Rulesand Precautions Know Your SAWPlan Ahead Guard Against KickbackHandle Fuel with Caution Operate Your SAW SafelyMaintain Your SAW in Good Working Order Carry Your SAW SafelyIntroduction Know Your Chain SAWState and Local Ordinance Requirements Preparing Your SAW for USE Geeing Ready Read Your 0PERATOWS ManualUc1 Chain Tension Do not USEAutomotive OIL Gasoline Containing AlcoholBAR and Chain OIL Important PointsUsing Your SAW Starting ProcedureControl Devices Starting InstructionsControlling Kickback Using the Power Sharpsystem Model Power SharpknobAutomatic Sharpening Inspect Cutters for Grinding Marks TOP View of Cutter Replace or Remove Stone Andcarrier Assembly Hand FilingUnderstand Reactive Forces Tree Felling TechniquesPlan Your Sawing Operation CARE- Fully in Advance Felling Small Trees -- Less than 6 in Diameter Do not CUTFelling Large Trees m 6 Diameter Or MoreBucking Through the log and finish with a 2/3 cut onBUCKING--WITHOUT a Support 2ND CUTDebranching PruningUSE Commonsense Third PruningcutMaintenance Guide BAR and ChainMaintain Rounded Corner Depth Gauge Guide BAR Worn Grooves File Edges Correct SquareCooling and Exhaust System Heat Shield MufflerStarter Rope Repair and Replacement Spark PlugChampion CJ-8Y Spark Plug MEDIUM--dChain Wear on Drive Sprocket OuterUide Plate NutsCarburetor Adjustments LOW Speed Mixture AdjustmentAIR Filter GJCOUNTER-VIBE Vibration SystemMaintenance Accessories When your ,saw is to be stored for over 30 days alwaysStorage Key Pad Catalog No DescriptionTrouble Shooting Chart SwitchMaintenance Chart ==iPage 2336 Qty Description AssemblyIncl. # + ++.o+ Pad No Qty Description Qty. DescriptionQty Description Pa No 35102 Valve-Throttle 3511943 \ Drum & Sprocket Assembly 24399 Qty Description STD5t1003 Screw-BracketThrust Washer 25925 Bearing Clutch34 ¸¸ Maintenance Quick ReferenceFuel and OIL Starting the EngineSears