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16
OPERATION
WARNING:
Always wear appropriate eye, hearing, hand,
foot and body protection to reduce the risk of injury when
operating this unit. Wear head protection. Use a full face
shield when needed. Refer to the
Safety
section for
appropriate safety equipment information.
WARNING:
Make sure the chain oil reservoir is full
before operation. Check the oil level constantly so that it
does not drop below half full. The saw chain must be
continuously coated with oil to function properly.
WARNING:
Always check the chain tension and adjust as
necessary before beginning operation. Refer to
Adjusting the
Chain Tension
in the
Maintenance
section.
WARNING:
Do not expose power tools to rain or wet
conditions.
CHECKING THE BATTERY CHARGE LEVEL
1. Press the charge meter button (Fig. 17).
2. One or more of the charge meter lights should illuminate (Fig. 17).
The number and color of the lights will indicate the current
battery charge level:
• 3 Green Lights = 66 - 100% Charge
• 2 Green Lights = 33 - 66% Charge
• 1 Green Light = 1 - 33% Charge
• 1 Red Light = 0% Charge
3. If the red light illuminates, charge the battery before any further use.
NOTE:
While in use, lithium-ion batteries provide power with
minimal power fade. When the battery is fully discharged, it will
immediately cut power to the unit and require charging.
Fig. 17
Charge Meter Button
0%
1% - 33%
33% - 66%
66% - 100%
USING THE CHAIN BRAKE
In emergency situations, the saw chain can also be stopped by
engaging the chain brake. The chain brake can be activated
intentionally by pushing the front hand guard / chain brake lever
forward. It can also be activated if the operator’s hand strikes the
front hand guard / chain brake lever during kickback.
Testing the Chain Brake
Always test the chain brake before using the unit.
1.
Set the unit on a flat, level surface.
2. Make sure the front hand guard / chain brake lever is pulled
back in the disengaged position (Fig. 16).
3. Grip the unit firmly with both hands. Refer to
Holding the Unit
in
the
Operation
section.
4. Start the unit. Refer to
Starting Instructions
.
5. While the unit is running, engage the chain brake by pushing the
front hand guard / chain brake lever forward with the left hand
(Fig. 16). The chain should stop moving abruptly. If it does not,
have the unit serviced by an authorized service center.
6. Stop the unit. Refer to
Stopping Instructions
.
7. Pull the front hand guard / chain brake lever back to the
disengaged position.
WARNING:
Always activate the chain brake slowly and
deliberately. Keep the saw chain from touching anything.
Do not let the chain saw tip forward.
Fig. 16
Engaged
Disengaged
Chain Brake Lever /
Front Hand Guard
Summary of Contents for RM4040
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