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branches with a single cut.
First, check which way the branch bends. Then make a cut from the inside of the bend and finish
cutting on the opposite side. Be careful, the branch being cut may spring back.
When trimming tree branches, always cut downward to enable free fall of cut branch. However,
sometimes undercutting the branch from the bottom may be helpful.
Be very careful when cutting a branch that may be under stress. Such branch may spring aside
and hit the operator.
Do not cut branches when climbing up the tree. Do not stand on ladder, platforms, logs or positions
that may cause loss of balance and control over the chain saw. Do not cut above level of your
shoulders. Always hold the chain saw with both hands.
4.19. Safe work with chain saw.
Never use the chain saw during rain and in moisture. Whenever the extension cord is damaged,
remove its plug from mains socket immediately. Never use damaged power cord. All parts should
be assembled properly and fulfill requirements that ensure safe chain saw operation. Any damaged
protective part should be repaired or replaced immediately.
5. Operation and maintenance.
Unplug the power cord from the mains socket before commencing any activities related to
installation, adjustment, repair or maintenance.
5.1. Storage.
Pay special attention to keep the ventilation holes of the engine casing pervious.
Clean plastic parts with mild detergent and a sponge.
You can proceed with maintenance actions only described within this instruction manual. Any other
action can be carried out only by authorized service.
Do not make any changes in chain saw construction.
When not in use, chain saw should be stored clean, on flat surface, in dry place and beyond reach
of children.
5.2. Guide bar and saw chain.
Check condition of the guide bar and chain every 5 hours of the saw operation.
Loosen and unscrew the guide bar fixing nut (12).
Remove the casing and disassemble guide bar (9) and chain (8).
Clean oil holes and groove in the guide bar (9).
Lubricate tip chain wheel of the guide bar (10) through the hole located on the guide bar tip.
Check condition of the chain (8).
5.3. Chain sharpening.
Pay attention to cutting tools. Cutting tools should be sharp and clean, it allows efficient and safe
operation. Operating the saw with blunt chain causes quick wear of the chain, guide bar and driving
chain wheel, and breaking the chain in the worst case. That is why it is important to sharpen the chain
on time.
Chain sharpening is a complex operation. Sharpening the chain by yourself requires use of special
tools and skills. It is recommended to entrust sharpening the chain to qualified persons.
All faults should be repaired by service workshop authorized by the RAIDER.
6. Environmental protection.
Summary of Contents for RD-ECS25
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