Desa EL-7 098031J, LNT-2 100089-08, EL-7 100089-07, 100089-06, 100089-08 User Manual

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LNT-2: 076728K, 099178H, 100089-06, 100089-08, & 107709-01 EL-7: 075762J, 098031J, 099039J, 100089-04, 100089-05,
Pole Saw: 104316-04 (8"), 106890-01(10") Pole Saw Assembly: 104317 (8"), 106821 (10")
IMPORTANT: Read and understand this manual before assembling or operating this chain saw. Improper use of saw can cause severe injury. Keep this manual for future reference.
Make certain you read and un­derstand all pages 2 and 3. Improper use of this chain saw can cause severe injury or death from fire, electri­cal shock, body contact with moving chain, or falling wood.
1. Read and understand this owner’s manual before operating chain saw.
2. Watch what you are doing. Use com­mon sense. Do not operate saw when you are tired.
3. Use chain saw for cutting wood only. Do not use chain saw for purpose not intended. Do not use for cutting plas­tic, masonry, etc.
4. Only well-instructed adults should op­erate chain saw. Never allow children to operate chain saw.
5. Use only electrical voltage noted on model plate of chain saw.
6. Use only extension cords marked for outdoor use. See page 8 for extension cord requirements.
7. Do not operate chain saw
• while under the influence of alcohol,
medication, or drugs
• in rain or in damp or wet areas
• where highly flammable liquids or
gases are present
• if saw is damaged, adjusted wrong,
or not fully and securely assembled
• if trigger does not turn saw on and off.
Chain must stop moving when you release trigger. Have faulty switch replaced by authorized service center.
• while in a hurry
• while in tree or on a ladder unless
trained to do so
8. Wear snug-fitting clothes when oper­ating chain saw. Do not wear loose clothing or jewelry. They can get caught in moving saw chain.
9. Wear the following safety gear when operating chain saw.
• heavy-duty gloves (wear rubber
gloves when working outdoors)
Safety Warnings
• steel-toed safety footwear with non­skid soles
• eye protection such as safety glasses, goggles, or face screen
• safety hard hat
• ear mufflers or ear plugs
• hair covering to contain long hair
• face or dust mask (if working in dusty areas)
10. Before cutting, always provide the fol­lowing:
• clear work area
• secure footing
• planned retreat path from falling tree
11. Inspect tree before cutting down. Make sure there are no dead limbs or branches that may fall on you.
12. To reduce the risk of electric shock, this saw has a polarized plug (one blade is wider than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet of your extension cord, reverse the plug. If it still does not fit, a polarized extension cord will be necessary. Do not change the plug in any way.
1. Stay alert. Use common sense while operating chain saw.
2. Keep work area clean. Cluttered areas invite injuries.
3. Be aware of extension cord while op­erating chain saw. Be careful not to trip over cord. Keep cord away from chain and operator at all times.
4. Keep children, animals, and bystand­ers away from chain saw and extension cord. Only chain saw user should be in work area.
5. Do not cut down a tree unless you are trained or have expert help.
6. If two or more persons perform buck­ing and felling operations at the same time, provide plenty of distance be­tween operations. Provide distance of at least twice the height of tree being felled.
7. Secure wood you are cutting by using clamps or chocks.
8. Grip chain saw firmly with both hands. Never operate chain saw with one hand. Never use hand guard as handle.
9. Keep finger off trigger until ready to make cut.
10. Before starting chain saw, make sure chain is not touching anything.
11. To guard against electrical shock, avoid body contact with grounded objects such as pipes, fences, and metal posts.
12. Keep all parts of body away from chain when saw is running.
13. Do not force chain saw while cutting. Apply light pressure. It will do the job better and safer at the rate for which it was intended.
14. Cut small brush and saplings with ex­treme care. Slender material may catch in chain and be whipped toward you. This could also pull you off balance.
15. When cutting limb or tree trunk that is under tension, use extreme caution. Be alert for wood springing back. When wood tension is released, limb could spring back and strike operator caus­ing severe injury or death.
16. Carry chain saw from one place to an­other
• with saw stopped and unplugged
• by holding front handle (never use
hand guard as handle)
• with finger off trigger
• with guide bar and chain to rear
WARNING: Some dust created by power sanding, sawing, grind­ing, drilling, and other construc­tion activities contains chemicals known (to the state of California) to cause cancer, birth defects, or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints
• crystalline silica from bricks
and cement and other masonry products
• arsenic and chromium from
chemically-treated lumber
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equip­ment, such as those dust masks that are specially designed to filter out microscopic particles.
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WARNING: Kickback may oc­cur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut. Tip contact in some cases may cause a lightning fast reverse re­action, kicking the guide bar up and back towards the operator. Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator. Either of these re­actions may cause you to lose control of the saw which could result in serious injury to user.
Kickback Safety Devices On This Saw
This saw has a low-kickback chain and reduced kickback guide bar. Both items reduce the chance of kickback. Kickback can still occur with this saw.
Properly install front hand guard. This item can reduce injuries from kickback. Follow assembly instructions on page 6. Do not remove front hand guard. Do not replace front hand guard with substitute.
The following steps will reduce the risk of kickback.
• Use both hands to grip saw while saw is running. Use firm grip. Thumbs and fingers must wrap around saw handles.
•Keep all safety items in place on saw. Make sure they work properly.
• Do not overreach or cut above shoulder height.
• Keep solid footing and balance at all times
• Stand slightly to left side of saw. This keeps your body from being in direct line with chain.
• Do not let guide bar nose touch anything when chain is moving (see Figure 1).
90° Quadrant
Figure 1 - Kickback Hazard Example: Do Not Let Nose of Guide Bar Touch Object While Chain is Moving
•Never try cutting through two logs at same time. Only cut one log at a time.
• Do not bury guide bar nose or try plunge cut (boring into wood using guide bar nose).
•Watch for shifting of wood or other forces that may pinch chain.
• Use extreme caution when reentering a previous cut.
• Use low-kickback chain and guide bar supplied with this chain saw. Only re­place these parts with chains and guide bars listed in this manual.
• Never use dull or loose chain. Keep chain sharp with proper tension.
• Do not hand sharpen chain on automatic chain sharpening (Fast Sharp) models.
Do Not Let Guide Bar Touch Here
Saw Maintenance and Kickback Safety
Follow maintenance instructions in this manual. Proper cleaning of saw and chain and guide bar maintenance can reduce chances of kickback. Inspect and maintain saw after each use. This will increase the service life of your saw. proper sharpening, risk of kickback can increase with each sharpening.
Even with
1. Unplug chain saw from power source
• when not in use
• before moving from one place to an­other
• before servicing
• before changing accessories or at­tachments, such as saw chain and guard
2. Inspect chain saw before and after each use. Check saw closely if guard or other part has been damaged. Check for any damage that may affect operator safety or operation of saw. Check for align­ment or binding of moving parts. Check for broken or damaged parts. Do not use chain saw if damage affects safety or operation. Have damage repaired by authorized service center.
3. Maintain chain saw with care.
• Never expose saw to rain.
• Keep chain sharp, clean, and lubri-
cated for better and safer performance.
• Follow steps outlined in this manual
to sharpen chain.
•Keep handles dry, clean, and free of
oil and grease.
• Keep all screws and nuts tight.
• Inspect power cord often. If dam-
aged, have repaired by authorized service center.
• Never carry chain saw by power cord.
• Never yank power cord to unplug it.
• Keep power cord from heat, oil, and
sharp edges.
• Inspect extension cords often and
replace if damaged.
4. When servicing, use only identical re­placement parts.
5. When not in use, always store chain saw
• in a high or locked place, out of
children’s reach
• in a dry place
• in a carrying case or with scabbard
over guide bar
Keep this manual for reference. It is your guide to safe and proper operation of this chain saw.
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Bucking Process of cutting a felled tree or
log into lengths.
Felling Process of cutting down a tree. Felling Cut Final cut when felling a tree.
Make this cut on opposite side of tree from notching cut.
Front Handle Located at front of saw body. Front Hand Guard Shield between front
handle and guide bar. Protects left hand while using saw.
Guide Bar Metal bar that extends from saw
body. The guide bar supports and guides chain.
Guide Bar Nose Tip or end of guide bar. Kickback Quick backward and upward
motion of guide bar. Kickback may occur when tip of guide bar touches an object while chain is moving. The guide bar will kick up and back towards operator.
Limbing Process of cutting limb(s) from a
felled tree.
Low-Kickback Chain Chain that reduces
chance of kickback as required by ANS B175.1.
Normal Cutting Position Stance used while
making bucking and felling cuts.
Notching Cut Notch cut in tree that directs
fall of tree.
Oiler Control System for oiling guide bar
and chain.
Power Head Chain saw without chain and
guide bar. Also known as saw body.
Pushback (Kickback, Pinch) Rapid
pushback of chain saw. Pushback may oc­cur if chain along top of guide bar is pinched, caught, or contacts a foreign object.
Rear Handle Handle located at rear of saw
Reduced Kickback Guide Bar Guide bar
that reduces chance of kickback.
Replacement Chain Chain that complies
with ANS B175.1 when used with a specific saw. It may not meet ANS requirements when used with other saws.
Saw Chain (Chain) Loop of chain having
cutting teeth for cutting wood. The motor drives chain. The guide bar supports chain.
Spiked Bumper (Spike) Pointed teeth at
front of saw body beside guide bar. Keep spiked bumper in contact with wood when felling or bucking. It helps maintain posi­tion of saw while cutting.
Sprocket Toothed wheel that drives chain. Switch Device that completes or interrupts
electrical circuit to motor of saw.
Switch Linkage This device connects switch
to trigger. It moves switch when you squeeze trigger.
Switch Lockout Device that reduces acci-
dental starting of saw.
Trigger Device that turns saw on and off.
Squeezing trigger turns saw on. Releasing trigger turns saw off.
Trimming (Pruning) Process of cutting
limb(s) from a living tree.
Undercut An upward cut from underside of
log or limb. This is done while in normal cutting position and cutting with top of guide bar.
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Rear Handle
Rear Hand Guard
Power Cord
Front Hand Guard
Saw Chain
Sprocket Cover
Oil Level Sight Hole (located on saw body, hidden by front handle)
Guide Bar Nose
Guide Bar
1. Remove all items from carton.
2. Check all items for any shipping dam­age. If you find any damage or if any parts are missing, promptly inform dealer where you bought chain saw.
Front Handle
Motor Housing
Figure 2 - Electric Chain Saw
Switch Lockout
Oil Cap With Squeeze Bulb
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Some models are pre assembled. As-
sembly is not needed on these models. See Saw Chain Tension Adjustment, page 7.
WARNING: Cutting edges on chain are sharp. Use protective gloves when handling chain.
IMPORTANT: Do not clamp chain saw in vise during assembly.
The plastic hardware bag should include:
• two guide bar bolts
• two guide bar nuts
• one Phillips-head tapping screw
• automatic chain sharpener (Fast Sharp models only)
1. Lay chain out flat.
2. Install front hand guard onto saw body.
Do this by pressing two mounting stand­outs on hand guard into hex-shaped holes in saw body (see Figure 3).
3 Insert tapping screw through hand
guard and into saw handle. Tighten screw firmly.
4. Turn adjusting screw counterclockwise
(see Figure 4). Continue to turn adjust­ing screw until adjusting block is to rear of adjusting plate.
5. Install guide bar onto saw body. Place
rear of guide bar between adjusting plate and sprocket support.
justing block into oval adjusting hole on guide bar.
6. Line up holes on sprocket support with
center slot on guide bar and holes in saw body.
7. Insert guide bar bolts through front
hand guard, saw body, center slot of guide bar, and sprocket support. Attach guide bar nuts to guide bar bolts.
finger tight only. Make sure adjust­ing block is in oval adjusting hole on guide bar.
Make sure to insert ad-
Tighten guide bar nuts
8. Place chain around drive sprocket, then along top groove of guide bar and around guide bar nose.
Make sure cutting edges of chain are facing the right direction. Position chain so
CAUTION: Do not place chain on saw backwards. If chain is backwards, saw will vibrate badly and will not cut.
cutting edges on top of guide bar face guide bar nose (see Figure 3).
9. Adjust saw chain tension. Follow steps under Saw Chain Tension Adjustment,
Tapping Screw
Guide Bar Bolts
Mounting Stand-Outs
Figure 3 - Assembling Guide Bar, Chain, and Hand Guard
Adjusting Block
Front Hand Guard
Towards Guide Bar Nose
page 7.
Cutting Edge
Cutting Edge
Drive Sprocket
Adjusting Plate
Adjusting Screw
Sprocket Support
Saw Chain
Guide Bar
Adjusting Hole
Guide Bar Nuts
Figure 4 - Part Locations For Assembling Guide Bar
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WARNING: Unplug chain saw from power source before adjust­ing saw chain tension.
WARNING: Cutting edges on chain are sharp. Use protective gloves when handling chain.
WARNING: Maintain proper chain tension always. A loose chain will increase the risk of kickback. A loose chain may jump out of guide bar groove. This may injure operator and damage chain. A loose chain will cause chain, guide bar, and sprocket to wear rapidly.
For pre-assembled models, the saw
chain tension is properly set at factory. A new chain will stretch. Check new chain after first few minutes of operation. Allow chain to cool down. Follow steps below to readjust saw chain tension.
1. Before adjusting chain, make sure guide bar nuts are only finger tight (see Figure 3, page 6). Also make sure adjust­ing block is in oval adjusting hole on guide bar (see Figures 3 and 4, page 6).
2. Turn adjusting screw clockwise until all slack is out of chain (see Figure 5).
There should be no gap between side links of chain and bottom of guide bar (see Figure 6).
3. Wearing protective gloves, move chain around guide bar. Chain should move freely. If chain does not move freely, loosen chain by turning adjusting screw counterclockwise.
4. After chain tension is correct, tighten guide bar nuts firmly. If not, guide bar will move and loosen chain tension. This will increase the risk of kickback. This can also damage saw. chain will stretch. Check new chain after first few minutes of operation. Allow chain to cool down. Readjust chain tension.
Figure 5 - Turning Adjusting Screw
Guide Bar Nuts
Guide Bar
Incorrect Tension
Figure 6 - Saw Chain Adjustment
A new
Guide Bar
Correct Tension
1. Remove oil cap.
2. Fill oil tank with SAE #30 motor oil.
For temperatures below 30°F, use SAE #10 oil. For temperatures above 75°F, use SAE #40 oil.
3. Replace oil cap at once. Tighten oil cap firmly for good seal. This will avoid oil seepage from tank.
4. Wipe off excess oil.
It is normal for oil to seep when saw is not in use. Empty oil tank after each use to prevent seepage.
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WARNING: Read and under­stand this owner’s manual be­fore operating this saw. Make certain you read and understand all
Safety Warnings
3. Improper use of this chain saw can cause severe injury or death from fire, electrical shock, or body contact with moving chain, or falling wood.
Use proper extension cords with this saw. Use only extension cords marked for out­door use. The cord must be marked with suffix W or W-A following the cord type designation.
Use proper sized cord with this saw. Cord must be heavy enough to carry current needed. An undersized cord will cause volt­age drop at saw. Saw will lose power and overheat. Follow cord size requirements listed below.
Cord Length AWG Cord Size
Models LNT-2: 076728K, 099178H, 100089-06, & 100089-08; Pole Saw Assy 104317 &106821; Pole Saw 104316-04 (8") & 106890 (10")
25 feet 16 AWG
50 feet 16 AWG 100 feet 16 AWG 150 feet 14 AWG
, pages 2 and
Keep cord away from cutting area. Make sure cord does not catch on branches or logs during cutting. Inspect cords often. Replace damaged cords.
The extension cord may come undone from the power cord during use. To avoid this, make a knot with the two cords as shown in Figure 7 below.
Extension Cord
Figure 7 - Tying Extension Cord and Power Cord in Knot
Chain Saw Power Cord
Always check oil level before using saw. To oil chain, press squeeze bulb on oil cap. Do not attempt to operate the oiler while cutting with the saw. Oil will feed onto guide bar and chain. Press squeeze bulb on oil cap at least once before each cut. Check oil level often by looking at oil sight level hole. Oil sight level hole is on left side of saw, be­tween front handle and front hand guard.
1. Connect saw to extension cord. Con­nect extension cord to power supply.
2. Make sure section of log to be cut is not laying on ground. This will keep chain from touching ground as it cuts through log. Touching ground with moving chain will dull chain.
3. Use both hands to grip saw. Always use left hand to grip front handle and right hand to grip rear handle. Use firm grip. Thumbs and fingers must wrap around saw handles (see Figure 9).
4. Make sure your footing is firm. Keep feet apart. Divide your weight evenly on both feet.
5. When ready to make a cut, press in switch lockout with right thumb and squeeze trigger (see Figure 9). This will turn saw on. Releasing trigger will turn saw off. Make sure saw is running at full speed before starting a cut.
6. When starting a cut, place moving chain against wood. Hold saw firmly in place to avoid possible bouncing or skating (sideways movement) of saw.
7. Guide saw using light pressure. Do not force saw. The motor will overload and can burn out. It will do the job better and safer at the rate for which it was intended.
8. Remove saw from a cut with saw run­ning at full speed. Stop saw by releas­ing trigger. Make sure chain has stopped before setting saw down.
9. Practice until you can maintain a steady, even cutting rate.
Cord Length AWG Cord Size
25 feet 16 AWG
50 feet 16 AWG 100 feet 14 AWG 150 feet 12 AWG
Models EL-7: 075762J, 098013J, 099039J, 100089-04, 100089-05, & 100089-07
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Figure 8 - Pressing Squeeze Bulb on Oil Cap to Oil Chain
Switch Lockout
Figure 9 - Switch Lockout and Trigger Location
+ 16 hidden pages