Operation; Maintenance; Optional Accessories - Makita DSC121 Original Instructions Manual

OPERATION

WARNING:
The following types of cutting
may result in cutting dies or components break-
ing and flying off. Since this causes serious acci-
dents, they must never be performed.
— Cutting materials outside the cutting capac-
ity (see SPECIFICATIONS).
— Cutting with cutting dies that do not match
the size of the threaded rod.
— Cutting materials (round or square, etc)
other than threaded rods.
CAUTION:
When cutting, check the size of
the threaded rod and always use cutting dies that
match that size. If the sizes do not match, breakage
or damage to the cutting dies and breakdown of the
tool may occur.
► Fig.8: 1. Cutter head 2. Threaded rod 3. Cutting die
H (fixed die on the cutter head) 4. Cutting die
R (moving die on cutter rod)
1. Align the threads of the threaded rod to be cut with
the grooves of cutting die H on the cutter head.
NOTICE:
Failure to align the threads of the
threaded rod with the grooves on cutting die H
may result in chipping or damage of the cutting
die.
2. Pull the switch trigger. The cutter rod moves for-
ward and cuts the threaded rod.
3. After the cutting is complete, continue to hold the
switch trigger down. The cutter rod is brought to the full
forward stroke position.
4. Release the switch trigger. The cutter rod will
automatically return to the start position.
NOTICE:
Replace deformed or chipped cutting
dies immediately. Deformed or chipped cutting dies
create burrs. Also, they cause an excessive load on
the tool and may cause tool breakage.
NOTICE:
Do not cut threaded rods too short.
Cutting to a length shorter than the thickness of the
cutting dies (13 mm (33/64")) may chip or damage the
cutting dies.
► Fig.9: 1. Cutting die H 2. Threaded rod 3. Cutting
die R 4. Thickness of the cutting die (13 mm
(33/64")) 5. Cut length (13 mm (33/64") or
more)
NOTE: A cut threaded rod should fit into a nut without
any trouble. However, depending on the material or
precision (grade) of the threaded rod, it may be nec-
essary to remove burs from the starting points of the
threads with a file, etc. in order to fit the rod into a nut.
Quitting the cutting in the middle
If you want to stop the cutter rod mid-stroke and return
it to the start position, turn the return bulb knob coun-
terclockwise (1/2 turn) and loosen it. The cutter rod will
return to the start position.
► Fig.10: 1. Return bulb
Turn the return bulb knob clockwise to tighten it again to
cut as normal.
NOTICE:
Do not turn the return bulb knob any
further than necessary. Turning the return bulb
more than 1-1/2 times counter-clockwise may cause
an oil leak. Use caution, as low oil can cause the tool
to malfunction.

MAINTENANCE

CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
Refilling the oil when oil is low
Place the tool on the floor with the oil port facing up.
Always confirm that the tool is completely shut off with
the cutter rod in start position.
Loosen and remove the bolt on the oil port. If the oil is
low, refill to the maximum limit of the oil port with the
designated hydraulic oil, and then tighten the bolt. If oil
overflows, immediately wipe off any excess oil.
NOTE: Use only Makita Hydraulic Oil or JX Nikko
Nisseki Energy Super Highland #46 oil. Do not use
any other type of oil in this tool. Doing so may cause
deterioration of gaskets and other parts, resulting in
breakdown.
OPTIONAL
ACCESSORIES
CAUTION:
These accessories or attachments
are recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or attachment
for its stated purpose.
If you need any assistance for more details regard-
ing these accessories, ask your local Makita Service
Center.
• Cutting dies
• Makita genuine battery and charger
NOTE: Some items in the list may be included in the
tool package as standard accessories. They may
differ from country to country.
10 ENGLISH