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To reset, release the trigger. Under extreme circumstances, the
internal temperature of the battery pack could raise too much. If
this happens, the fuel gauge will flash until the battery pack cooled
down. After the lights go off, the work may continue.
Transporting Lithium Batteries
Lithium-ion batteries are subject to the Dangerous Goods Legislation
requirements.
Transportation of those batteries has to be done in accordance with
local, national and international provisions and regulations.
The user can transport the batteries by road without further
requirements.
Commercial transport of Lithium-Ion batteries by third parties is
subject to Dangerous Goods regulations. Transport preparation and
transport are exclusively to be carried out by appropriately trained
persons and the process has to be accompanied by corresponding
experts.
When transporting batteries:
Ensure that battery contact terminals are protected and insulated to
prevent short circuit.
Ensure that battery pack is secured against movement within
packaging. Do not transport batteries that are cracked or leak.
Check with forwarding company for further advice.
WORKING INSTRUCTIONS
ASSEMBLY
Assembling saw chain and guide bar
WARNING!
If any parts are damaged or missing do not
operate the machine until the parts are replaced. Failure to
heed this warning could result in serious personal injury.
Make sure to remove the battery. Wear gloves!
1. Remove the bar mounting nuts using the combination wrench
provided.
2. Remove the drive sprocket cover.
3. Put the chain in the correct direction onto the bar and make sure
that the drive links are aligned in the bar groove.
4. Attach the bar to the chain saw and loop the chain around the
drive sprocket.
5. Replace the drive sprocket cover and bar mounting nuts.
6. Finger-tighten the bar mounting nuts. The bar must be free to
move for chain tension adjustment.
7. Adjust the chain tension. Refer to the "Adjusting chain tension"
section.
8. Hold the tip of the guide bar up and tighten the bar mounting nuts
securely.
WARNING!
The saw chain is sharp. Always wear
protective gloves when performing maintenance to the chain.
Adjusting the chain tension
Remove the battery pack before you do any work on the chain saw.
To increase the chain tension, turn the chain tensioning screw
clockwise and check the chain tension frequently. To reduce the
chain tension, turn the chain tensioning screw counterclockwise and
check the chain tension frequently.
The chain tension is correct when the gap between the cutter in the
chain and the bar is about 6,8 mm. Pull the chain in the middle of the
lower side of the bar downwards (away from the bar) and measure
the distance between the bar and the chain cutters. Tighten the bar
mounting nuts by turning it counter clockwise.
Note: 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. Remove battery pack and check chain tension frequently
during the first two hours of use. The temperature of the chain
increases during normal operation causing the chain to stretch.
Check the chain tension frequently and adjust as required. A chain
tensioned while warm may be too tight upon cooling. Make sure
that the chain tension is correctly adjusted as specified in these
instructions.
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OPERATION
Adding the chain lubricating oil
WARNING! Never work without chain lubricant. If the saw chain
is running without lubricant, the guide bar and the saw chain
can be damaged. It is essential to frequently check the oil level
in the oil level gauge and before starting to use the chain saw.
Keep the reservoir more than ¼ full to ensure sufficient oil is
available for the job.
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 chain saw.
Clear surface around the oil cap to prevent contamination.
Unscrew and remove the cap from the oil tank.
Pour the oil into the oil tank and monitor the oil level gauge.
Put the oil cap back on and tighten it up. Wipe away any spillage.
Holding the chain saw
Always hold the chain saw with your right hand on the rear handle
and your left hand on the front handle. Grip both handles with the
thumbs and fingers encircling the handles.
Starting the chain saw
Before starting the chain saw, you should install the battery pack in
the chain saw and make sure the chain brake is in run position by
pulling the chain brake lever/hand guard toward the front handle.
Checking and operating the chain brake
Engage the chain brake by rotating your left hand around the front
handle. Allow the back of your hand to push the chain brake lever/
hand guard toward the bar while the chain is rotating rapidly. Be sure
to maintain both hands on the saw handles at all times.
Reset the chain brake back into the run position by grasping the
top of the chain brake lever/hand guard and pulling toward the front
handle until you hear a click.
WARNING! If the chain brake does not stop the chain
immediately, or if the chain brake will not stay in the run
position without assistance, bring the chain saw to an
MILWAUKEE service station for repair prior to use.
TRANSPORTATION AND STORAGE
Always lightly oil the chain when storing to prevent rust. Always
empty the oil tank when storing to prevent leakage.
Stop the machine, remove the battery, and allow it to cool before
storing or transporting.
Clean all foreign materials from the machine. Store the machine in
a cool, dry, and well-ventilated place that is inaccessible to children.
Keep away from corrosive agents, such as garden chemicals and
de-icing salts. Do not store outdoors.
Fit the guide bar cover before storing the machine or during
transportation.
For transportation in vehicles, secure the machine against
movement or falling to prevent injury to persons or damage to the
machine.
CLEANING
Clean dust and debris from openings. Keep handle clean, dry
and free of oil or grease. Use only mild soap and a damp cloth to
clean, since certain cleaning agents and solvents are harmful to
plastics and other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated cleaning
solvents, ammonia and household detergents containing ammonia.
Never use flammable or combustible solvents around tools.
MAINTENANCE
WARNING! Use only Milwaukee accessories and Milwaukee
spare parts. Failure to do so can cause possible injury, contribute to
poor performance, and may void your warranty.
Use only Milwaukee accessories and Milwaukee spare parts. Should
components need to be replaced which have not been described,
please contact one of our Milwaukee service agents (see our list of
guarantee/service addresses).
ENGLISH
WARNING! Servicing requires extreme care and knowledge
and should be performed only be a qualified service technician.
For service, we suggest you bring the machine to your nearest
MILWAUKEE service station for repair. When servicing, use only
identical replacement parts. WARNING! Remove the battery before
adjustment, maintenance or cleaning. Failure to do so could result in
serious personal injury. You may only make adjustments or repairs
described in this manual. For other repairs, contact the authorised
service agent.
Consequences of improper maintenance may cause the chain brake
and other safety features to not function correctly, thus increasing
the potential for serious injury.
Keep your chain saw professionally maintained and safe. •
Sharpening the chain safely is a skilled task. Therefore, the
manufacturer strongly recommends that a worn or dull chain is
replaced with a new one, available at your MILWAUKEE service
agent. The part number is available in the product specification table
in this manual.
Follow instructions for lubricating and chain tension checking and
adjustment.
After each use, clean the machine with a soft dry cloth.
Remove any chips, dirt and debris in the battery bay.
Check all nuts, bolts, and screws at frequent intervals for security
to ensure the machine is in safe working condition. Any part
that is damaged should be properly repaired or replaced by an
MILWAUKEE service station.
Replacing the guide bar and saw chain
Wear protective gloves.
1. Remove the bar mounting nuts using the combination wrench
provided.
2. Remove the drive sprocket cover.
3. Put the new chain in the correct direction onto the bar and make
sure that the drive links are aligned in the bar groove.
4. Attach the bar to the chain saw and loop the chain around the
drive sprocket.
5. Replace the drive sprocket cover and bar mounting nuts.
6. Finger-tighten the bar mounting nuts. The bar must be free to
move for chain tension adjustment.
7. Adjust the chain tension. Refer to the "Adjusting chain tension"
section.
8. Hold the tip of the guide bar up and tighten the bar mounting nuts
securely.
WARNING! A dull or improperly sharpened chain can cause
excessive motor speed during cutting which may result in
severe motor damage.
WARNING! Improper chain sharpening increases the potential
of kickback.
WARNING! Failure to replace or repair a damaged chain can
cause serious injury.
WARNING! The saw chain is sharp. Always wear protective
gloves when performing maintenance to the chain.
Inspecting and cleaning the chain brake
Always keep the chain brake mechanism clean by lightly brushing
the linkage free from dirt.
Always test the chain brake performance after cleaning.
Refer to "Checking and operating the chain brake" section in this
manual for additional information.
Maintenance schedule
Daily check
Bar lubrication
Before each use
Chain tension
Before each use and frequently
Chain sharpness
Before each use, visual check
For damaged parts
Before each use
For loose fasteners
Before each use
Chain brake function
Before each use Inspect and
clean
Guide Bar
Before each use
Complete saw
After each use
Chain Brake
Every 5 hours of operation
Replacement parts (Bar and chain)
Manufacturer
MILWAUKEE
Chain
4932479820
Guide Bar
4932480172
Chain must be fitted with bar from the same manufacturer according
to above combinations.
Exploded view
If needed, an exploded view of the tool can be ordered. Please
state the Article No. as well as the machine type printed on
the label and order the drawing at your local service agents or
directly at: Techtronic Industries GmbH, Max-Eyth-Straße 10,
71364 Winnenden, Germany.
ENGLISH
OREGON
90PX052
144MLEA041
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