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However, signifi cantly reduced battery usage time may
be recovered by repeatedly charging and using the
batteries two to fi ve times.
If the battery usage time is extremely short despite
repeated charging and use, consider the batteries
dead and purchase new batteries.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
TROUBLESHOOTING
Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult
your dealer or the Hitachi Authorized Service Center.
1. Power tool
Symptom
The motor sounds but the
saw chain...
○ does not move
○ does not move freely
Poor sharpness
Chain oil
○ is slow-fl owing
○ does not come out
(seizes up)
Battery cannot be
installed.
Possible cause
The chain brake may be activated.
The saw chain tension is excessive.
Saw chain comes out of the sprocket.
Inside the side case...
→ sawdust is jammed
→ foreign matter is trapped
In the guide bar groove...
→ sawdust is jammed
→ oil does not fl ow
The saw chain...
→ is worn out or the blade is broken
→ is rusted
The direction of the saw chain is reversed,
Saw chain tension is loose.
Lack of chain oil in the tank.
Chain oil spout is clogged.
Attempting to install a battery other than
that specifi ed for the tool.
SELECTING ACCESSORIES
The accessories of this machine are listed on page 21.
Important notice on the batteries for the Hitachi
cordless power tools
Please always use one of our designated genuine
batteries. We cannot guarantee the safety and
performance of our cordless power tool when used
with batteries other than these designated by us, or
when the battery is disassembled and modifi ed (such
as disassembly and replacement of cells or other
internal parts).
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
Release by pulling the brake lever toward
you.
Check the saw chain tension, and if it is
too tight, loosen the tension.
Remove the side case, and check the saw
chain is properly engaged on the sprocket.
Remove the side case and clean the chain
cover.
Clean the guide bar groove and the oil
hole.
Make sure there is oil in the oil tank, and
replenish as required.
Sharpen the saw chain.
If the wear or breakage is very severe,
replace with a new saw chain.
Re-attach ensuring the correct direction.
Check the saw chain tension and tighten
if it is loose.
Replenish with chain oil.
Clean the chain oil spout.
Please install a multi volt type battery.
18
Remedy
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