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Milwaukee 3004-20 Manual Del Operador página 8

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9. Ensure the chain is properly set in the guide bar
groove around the entire guide bar.
10. Loop the chain around the drive hub and fit the
bar around the guide bar bolt.
11. Install the chain cover.
12. Use the adjustment tool to rotate the chain ten-
sioning screw to increase tension (clockwise) until
the chain is snug around the guide bar.
• The tension is correct when the chain snaps back
after being pulled 1/8" (3 mm) away from the
guide bar. No sag should be visible in the chain.
• Do not over-tension the chain - excess tension
will cause excessive wear and will reduce the
life of the chain and could damage the bar.
• New chains could stretch and loosen during
initial use. NOTE: Remove battery pack and
check chain tension frequently during the first
two hours of use.
13. Tighten the guide bar nut securely.
Chain Oil
Always remove battery pack before
WARNING
changing or removing accessories.
Fill oil reservoir with chain oil (not
NOTICE
provided) before starting the pruning
saw and when tank is less than 1/4 full. Failure
to oil the chain will cause damage to the bar and
chain.
Guide
Drive
Bar Bolt
Hub
Check oil level frequently and fill the oil reservoir after
each full battery discharge. Use a high quality chain
oil. The oil will keep the saw chain and guide bar
properly lubricated. Never run the saw without chain
oil. Keep the reservoir more than 1/4 full to ensure
sufficient oil is available for the job. Always lightly oil
the chain when storing to prevent rust. Always empty
the oil tank when storing to prevent leakage.
NOTE: It is recommended to use a vegetable-based
chain oil when pruning trees. Mineral oil may harm
trees. Never use waste oil, automotive oil, or very
thick oils. These could damage the pruning saw.
Filling the Oil Reservoir
1. Remove the battery pack.
2. Place the saw on a flat, firm surface, blade side down.
3. Unscrew the oil cap.
4. Carefully fill reservoir with chain oil.
5. Tighten oil cap securely.
6. Repeat as needed during use.
7. Periodically check that the saw chain is lubricat-
ing correctly:
a. With a full reservoir, hold the pruning saw with
the tip of the guide bar pointing at a light-colored
surface
b. Run the pruning saw for approximately 30
seconds.
c. An oil line should become visible on the light
surface.
d. If not, remove and clean the guide bar thor-
oughly. Ensure the guide bar sprocket (at the
tip) rotates freely.
e. If the lubrication system still does not work
properly, contact a MILWAUKEE service facility.
Transporting Saw
Before transporting, always:
1. Remove the battery pack
2. Place the cover over the guide bar.
OPERATION
Never cut near power lines, electric
DANGER
cords, or other electric sources. If
bar and chain jams on any electrical cord or line,
DO NOT TOUCH THE BAR OR CHAIN! THEY CAN
BECOME ELECTRICALLY LIVE AND VERY DAN-
GEROUS. Continue to hold the pruning saw by
the insulated grasping surfaces or lay it down
and away from you in a safe manner. Disconnect
the electrical service to the damaged line or cord
before attempting to free the bar and chain from
the line or cord. Contact with the bar, chain,
other conductive parts of the pruning saw, or live
electric cords or lines will result in death by
electrocution, electric shock, or serious per-
sonal injury.
Read and understand all instruc-
WARNING
tions. Failure to follow all instruc-
tions listed below may result in electric shock,
fire and/or serious personal injury.
To reduce the risk of injury, always wear proper
eye protection marked to comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
• Guard Against Kickback which can result in
severe injury or death. See Important Safety
Instructions "Guard Against Kickback", to avoid
the risk of kickback.
8

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