VEVOR Two Stroke Chainsaw

This document contains the original instructions. Please read all manual instructions carefully before operating. VEVOR reserves the right to interpret its user manual. The appearance of the product is subject to the item you received. VEVOR will not provide further notification for any technology or software updates on its products.

Operating Precautions

! WARNING!

• Ensure the chain and sprocket are correctly adjusted before operating the pruner. Never attempt chain adjustment with the engine running.
• Always ensure the cutting attachment is properly installed and firmly tightened before operation.
• Never use a cracked or warped guide bar; replace it with a serviceable one and ensure it fits properly.
• Never smoke or light fires near the pruner. Keep the pruner away from excessive heat. Engine fuel is highly flammable and fire can lead to serious personal injury or property damage.
• If a saw blade binds in a cut, shut off the engine immediately. Push the branch or tree to ease the bind and free the blade.
• Ensure there are no missing or loose fasteners, and that the stop switch and throttle controls are functioning correctly.
• Always move the unit to a place well away from fuel storage or other flammable materials before starting the engine. Use caution when handling fuel. Move the pole pruner at least 3 meters (10 feet) from the fueling point before starting the engine.
• Ensure good ventilation when operating the pruner. Fumes from engine exhaust can cause serious injury or death. Never run the engine indoors! Before starting the engine, ensure the saw chain is not contacting anything.
• Do not operate the pole pruner with the muffler removed.
• When cutting a limb under tension, be alert for spring back to avoid being struck by the moving limb.
• Always stop the engine immediately and check for damage if you strike a foreign object or if the machine becomes tangled. Do not operate with broken or damaged equipment.
• Stop the machine immediately if it suddenly begins to vibrate or shake. Inspect for broken, missing, or improperly installed parts or attachments.
• Never transport the pruner or set it down with the engine running. An engine running could be accidentally accelerated, causing the chain to rotate.
• Ensure the chain cover is in place when transporting and storing the pruner.
• When carrying by hand, the chain should be pointing backward.

Parts List

Diagram description: A line drawing displays the components of the VEVOR Two Stroke Chainsaw. Key parts include the Engine (1), Extension rods (2), Lower pole (3), Guide bar (4), Saw chain (5), Handle (6), Harness (7), Guide bar cover (8), Fuel mixing container (9), Multi tool (10), Funnel (11), Assembly wrench (12), and Screwdriver (14).

Installation Steps

1. Step 1: Connect the extension rod to the switch rod, aligning the direction as shown in the figure.
2. Step 2: After connecting the pole, you will hear a sound and the latch will pop up. Press down on the latch and tighten the adjacent handle to secure the pole.
3. Step 3: Locate the head of the pole saw and unscrew the screw on the plastic part.
4. Step 4: Insert the chain into the guide bar, aligning the chain with the sprocket, and ensure the limit positions on the guide plate are aligned.
5. Step 5: Install the chain cover back and tighten the nut, paying attention to the pointed edge of the chain facing forward, as shown in the figure.
6. Step 6: Find the chain adjustment hole to adjust chain tightness. Vigorously move the chain and control the distance between the middle guide teeth and the guide bar to about half, ensuring it does not exceed the slot. Push the chain forward by hand to check for smooth movement. If it is difficult to push, the chain is too tight and requires adjustment.
7. Step 7: Assemble the pole saw rod with the connecting rod.
8. Step 8: (Repeat of Step 2) After connecting the pole, you will hear a sound and the latch will pop up. Press down on the latch and tighten the adjacent handle to secure the pole.
9. Step 9: Place the black silicone sleeve on the pipe, then install the P-shaped handle. Install the handle parallel to the ground, as shown, and tighten the four fixing screws.
10. Step 10: Align the shoulder strap with the hole and fasten them.
11. Step 11: Finally, check if the assembled machine screws are tightened.

Using the Unit Without the Upper Tube

If the lower tube assembly is long enough, you can use it without the upper tube depending on the working condition. Operate as follows:

1. Follow the "disassembling the pole sections" section to remove the upper tube/coupler assembly from the gear case.
2. Follow the "assembling the pole sections" section to assemble the gear case onto the lower tube assembly.

Diagram description: A schematic shows the pole saw components: Bar and Chain, Lower Tube, Handle Grip, Hanger, Strap, Ignition Switch, and Throttle Trigger.

Filling the Fuel Tank

WARNING! Always minimize the risk of fire when handling fuel!

• Always allow the pruner to cool before refueling.
• Wipe all spilled fuel and move the pruner at least 3 meters (10 feet) from the fueling point before restarting.
• Never smoke or light any fires near the pruner or fuels.
• Never place any flammable material near the engine muffler.
• Never operate the engine without the muffler and spark arrestor in place and properly functioning.
• Never operate this machine if fuel system components are damaged or leaking.

1. Place the pruner on a flat, level surface.
2. Clear any dirt or debris from around the fuel filler cap.
3. Remove the fuel cap and fill the fuel tank with a clean, fresh fuel mixture.
4. Install and firmly tighten the fuel cap.
5. Wipe up any spilled fuel from the power head before restarting.

Startup Steps

1. Add chain oil to the oil pot of the high branch saw. NOTE: The capacity of the chain oil tank is 150 milliliters.
2. Mix oil and petrol at a ratio of 1:40. (The document also shows Chinese characters indicating "Engine Oil", "Two-stroke", and a brand/model name, along with a measuring cup.)
3. Mix the engine oil and gasoline well.
4. Open the oil can and add the mixed oil.
5. Press the primer bulb several times to push the oil through the pipe (two-stroke engine oil gasoline).
6. Close the air cleaner cover upwards.
7. Push back to turn on the switch. (To turn off the machine, push forward to close the switch). The switch has "START" and "STOP" positions.
8. Pull the starter firmly until the machine starts.
9. Open the air cleaner cover downwards immediately after the machine starts.
10. When the machine starts, it will vibrate and run for 5-10 seconds.
11. Press and hold the latch and switch.
12. The unit cannot be used until the oil is removed from the chain.

Engine Running-in Requirements

Early Stage: For a new fuel chain saw engine, internal components may not be perfectly smooth, and fit clearance might not be precise. Using a higher lubricating oil ratio of 25:1 can create a thicker oil film, providing better lubrication and extending engine life. This ratio is recommended for the first three uses.

Later Stage: After the engine has been used for a period and components are well run-in, excessive lubricating oil is not needed. Using a ratio of 40:1 can reduce oil consumption while maintaining lubrication performance.

Restarting After (Starting Cold Engine)

Control positions (cold engine):

1. Set the throttle trigger to "fast idle" as follows:
• Depress and hold the throttle lockout lever.
• Squeeze and hold the throttle trigger.
• Depress the throttle lock button.
• While holding the throttle lock button, release the throttle trigger and throttle lockout lever.
• Release the throttle lock button.
2. IMPORTANT: Engine ignition is controlled by a two-position START-STOP switch, typically labeled "I" for START and "O" for STOP.
3. Slide the ignition switch to the "I" (start) Position.
4. Prime the engine by depressing the carburetor primer bulb four or five times. You should be able to see fuel inside the bulb.
5. Choke the engine by moving the choke lever up to the "closed" position.

Restarting After (Starting Warm Engine)

1. Set the throttle trigger to "fast idle" (refer to Step 1 above).
2. Slide the ignition switch to the "I" (START) position.
3. Move the choke lever down to the "open" position.

Spark Plug Maintenance

Inspect the spark plug every 25 hours or before long-term storage (over 30 days) if usage has been low. Clean or replace with a new one if necessary.

1. Disconnect the spark plug connector (A13).
2. Loosen the spark plug (A14) counter-clockwise using the multi tool (10) and remove it carefully.
3. Check the spark plug (A14) for damage and wear. The electrode color should be light-brown.
4. Remove debris from the electrode with a soft wire brush; avoid heavy cleaning.
5. Dry the spark plug with a soft cloth if it is wet from fuel.
6. Check the spark plug gap; it should be 0.7 – 0.8 mm.
7. Replace with a new spark plug if the electrode or insulation is damaged.
8. When replacing the spark plug, screw it in hand-tight first, then lightly tighten it with the multi tool (10).

WARNING! Do not over-tighten the spark plug to avoid any damage!

Harness

The harness (A16) helps the operator carry the product.

1. Attach the securing clip (A18) to one of the loops (A15).
2. Place the harness (A16) over the left shoulder, crossing the chest and back. The securing clip (A18) must be located at the right hip.
3. Ensure the product's position is properly balanced.
4. Adjust the harness length so the securing clip (A18) is approximately 15 cm below your waist.

WARNING! Always attach the product to the harness. Do not carry it only with your hands!

In case of emergency, hold the front handle (A27) with the left hand and pull the rope (7) with the right hand. The metal locking bar will release from the securing clip automatically due to the product's weight.

Saw Chain and Guide Bar

Pole Saw

WARNING! Always wear gloves during assembly!

Assemble the guide bar (4) and saw chain (5) before operation.

1. Chain and Guide Bar Assembly

1. Use only a guide bar (4) and saw chain (5) according to the technical data of the pole saw.
2. Place the product on a suitable flat surface with the side cover (C2) facing upwards.
3. Unscrew the retaining nut (C3) counter-clockwise using the assembly wrench (12) and remove the side cover (C2).
4. Spread the saw chain (5) with cutting edges pointing in the direction of rotation. Slide the saw chain (5) into the groove around the guide bar (4). Ensure the saw chain (5) is installed in the correct direction of rotation.
5. WARNING! The direction of the saw chain 'cutters' must match the symbol and arrow on the guide bar!
6. Use the screwdriver end of the multi tool (10) to turn the chain tension screw (C9) counter-clockwise, moving the tension pin (C8) to the left. Turning the screw clockwise moves the tension pin (C8) to the right.
7. Align the saw chain (5) and guide bar (4) assembly with the drive sprocket (C4) and mounting bolt (C6). Lay the saw chain (5) around the drive sprocket (C4), then lower the guide bar (4) to install it to the mounting bolt (C6). Ensure the tension pin is inserted into the upper hole on the guide bar (4).
8. The saw chain movement is indicated by the arrow. Ensure the saw chain (5) is properly placed over the sprocket wheel (C15) of the guide bar (4).
9. Refit the cover (C2), fitting the rear first, then the front. Ensure the pin is located in position. Slightly tighten the remaining nut (C3) using the assembly wrench (12). Do not tighten the nuts completely, as saw chain tensioning is required first.

NOTE: The saw chain (5) has not yet been tensioned. Tension the chain as described under "Saw chain tensioning". After operating the product for approximately 1 hour, adjust the chain tension again.

9) Adjust the angle of the guide plate. Press the orange circular button to adjust the angle of the guide plate. The adjustable angle is 90°.

Saw Chain Tensioning

Always check the saw chain tension before use, after the first few cuts, and regularly during use (approximately every five cuts). New chains can lengthen considerably during the initial break-in period; the interval between future adjustments will lengthen quickly.

WARNING! Disconnect the spark plug connector before adjusting saw chain tension!

The cutting edges of the saw chain are sharp! Always wear protective gloves when handling the chain!

Always maintain proper chain tension! A loose chain increases the risk of kickback and can jump out of the guide bar groove, potentially injuring the operator and damaging the chain, guide bar, and sprocket. Tensioning the chain too tightly will overload the engine and cause damage. Insufficient tension can cause chain derailing. A correctly tightened chain provides the best cutting characteristics and prolonged working life. Chain life depends on sufficient lubrication and correct tensioning.

1. Place the product on a suitable flat surface.
2. Lift the tip of the guide bar (4) and hold it there while adjusting the tension.
3. Screw the tension screw (C9) clockwise or counter-clockwise to adjust the tension pin (C8) / guide bar (4) until the chain 'tie straps' are just touching the bottom edge of the guide bar.

3. Tension Test

1. Check the chain tension by lifting the saw chain (5) with one hand against the product's weight. The correct chain tension is achieved when the saw chain can be lifted by approximately 2 - 4 mm from the guide bar (4) in the center.
2. Adjust the tension if the chain saw is too loose or tight.
3. Pull the saw chain (5) along the top of the guide bar (4) by hand from one end to the other, several times. The chain should feel tight but still move freely.

Chain Lubrication

WARNING! The product is not filled with oil. It is essential to fill the product with oil before using it! Never operate the product without chain oil or with an empty oil tank, as this will result in extensive damage!

Never operate the bar and chain without lubrication oil! Operating the product dry or with too little oil will decrease cutting efficiency, shorten product life, and cause rapid wear to the chain and bar from overheating. Insufficient oil is evident by smoke or bar discoloration. Adequate lubrication of the saw chain during cutting operations is essential to minimize friction with the guide bar. Your product is equipped with an automatic oiling system that delivers the proper amount of oil to the bar and chain.

1. Place the product on a stable, level surface with the oil tank cap (C11) facing upward. It is recommended to place a non-flammable sheet under the product.
2. Unscrew and remove the oil tank cap (C11), then add suitable lubricant into the tank. Environmentally-friendly chain oil specifically intended for this product is recommended.
3. NOTE: Use a proper oil funnel with a filter to prevent debris from entering the tank and to avoid spillage or overfilling.
4. Recommended oils: Use motor oil SAE#10W-30 all year round, or SAE#30 in summer and SAE#10 in winter, or if the trees have excessive sap.
5. Do not overfill; leave approximately 5 mm of space to the lower edge to allow the lubricant to expand.
6. Wipe up any spilled lubricant with a soft cloth and refit the oil tank cap (C11).
7. NOTE: Always dispose of lubricant, used oil, and contaminated objects in accordance with local regulations.
8. Check the oil level prior to start-up and regularly during operation.

5. Checking Lubrication

NOTE: Perform the following test before operating your product. This product is equipped with an automatic oiling system.

Checking the lubrication requires starting the product. Before checking, the product must be fully assembled, and all instructions must have been read.

1. Check the chain lubrication before each use.
2. Ensure the guide bar (4) and the saw chain (5) are in place when checking the oil delivery.
3. Start the engine, keep it running, and check if the chain oil is delivered as shown in the figure.
4. Turn the adjustment screw (C7) of the oiler on the bottom of the product to adjust the chain oil flow using the multi tool (10).

Safety Operation

This machine is designed specifically for cutting branches. Never use it for other purposes, such as cutting stones, metals, plastics, or other hard objects. Using it for purposes other than cutting branches may damage the machine or cause serious injury.

Preparations

• Wear suitable protective clothing and equipment (refer to the "Safety Precautions" section).
• Choose the best work position for safety against falling objects (branches, etc.).
• Start the engine.
• Put on the strap.

Never stand directly underneath the branch you are cutting – be wary of falling branches. Note that a branch may spring back after it hits the ground.

Cutting Sequence

To allow branches a free fall, always cut the lower branches first. Prune heavy branches (large diameter) in several controllable pieces.

Working Position

Hold the control handle with your right hand and the shaft with your left hand. Your left arm should be extended to the most comfortable position. The shaft should always be held at an angle of 60° or less.

Typical Applications

Standard Cut:

The most convenient working position is at a tool angle of 60°, but any other angle may be used to suit the situation.

Cutting Above Obstacles:

Thanks to the unit's long reach, it is possible to prune branches that overhang obstacles such as rivers or lakes. The tool angle in this case depends on the position of the branch.

Cutting on a Work Platform:

The unit's long reach enables cutting to be performed next to the trunk without the risk of the work platform damaging other branches. The tool angle in this case depends on the position of the branch.

Working Techniques

Relieving Cut:

To avoid tearing the bark, kickback, or pinching the bar when pruning thick branches, always start by performing a relieving cut (1) on the underside of the branch. To do this, apply the cutting attachment and pull it across the bottom of the branch as far as the bar nose. Perform the cross-cut (2).

Flush-Cutting Thick Branches:

If a branch diameter is more than 10 cm (4"), first perform an undercut (3) and cross-cut at a distance (A) of about 25 cm (10") from the final cut. Then carry out the flush-cut (4), starting with a relieving cut and finishing with a cross-cut.

Spare Parts/Replacement Parts

The following parts of this product may be replaced by the consumer. Spare parts are available at an authorized dealer or through customer service.