Carrying Tool; Sharpening The Saw Chain - Makita GCU01 Manual De Instrucciones

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Carrying tool

Before carrying the tool, always apply the chain
brake and remove the battery cartridge from the
tool. Then attach the guide bar cover. Also cover
the battery cartridge with the battery cover.
Fig.30
► 1. Guide bar cover 2. Battery cover
MAINTENANCE
CAUTION: Always be sure that the tool
is switched off and the battery cartridge
is removed before attempting to perform
inspection or maintenance.
CAUTION: Always wear gloves when
performing any 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.

Sharpening the saw chain

Sharpen the saw chain when:
Mealy sawdust is produced when damp
wood is cut;
The chain penetrates the wood with diffi-
culty, even when heavy pressure is applied;
The cutting edge is obviously damaged;
The saw pulls to the left or right in the wood.
(caused by uneven sharpening of the saw
chain or damage to one side only)
Sharpen the saw chain frequently but a little each
time. Two or three strokes with a file are usually
sufficient for routine resharpening. When the saw
chain has been resharpened several times, have it
sharpened in our authorized service center.
1
2
Sharpening criteria:
WARNING: An excessive distance
between the cutting edge and depth gauge
increases the risk of kickback.
1
3
Fig.31
► 1. Cutter length 2. Distance between cutting
edge and depth gauge 3. Minimum cutter
length (3 mm (1/8"))
All cutter length must be equal. Different cutter
lengths prevent the saw chain from running
smoothly and may cause the saw chain to break.
Do not sharpen the chain when the cutter
length has reached 3 mm (1/8") or shorter.
The chain must be replaced with new one.
The chip thickness is determined by the
distance between the depth gauge (round
nose) and the cutting edge.
The best cutting results are obtained with
following distance between cutting edge
and depth gauge.
Chain blade 90PX : 0.65 mm (0.025")
Chain blade 91PX : 0.65 mm (0.025")
Fig.32
The sharpening angle of 30° must be
the same on all cutters. Different cutter
angles cause the chain to run roughly and
unevenly, accelerate wear, and lead to
chain breaks.
Use a suitable round file so that the proper
sharpening angle is kept against the teeth.
Chain blade 90PX : 55°
Chain blade 91PX : 55°
19
ENGLISH
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30
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55
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