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2. Cut down the depth gauge using a flat file in a way
that the depth gauge is positioned 0.64 mm (0.025
inch) lower than the leading edge of the cutter.
3. Once cut back, grind the tip of the depth gauge
round.
IMPORTANT
Be sure that the depth gauge is not cut back
too far, as doing so will result in a faster
deterioration of the cutter.
Guide bar care
1. When work using the pruner is finished for the day,
0.64mm
remove the guide bar and saw chain from the pruner.
Depth gauge
2. Remove any wood chips or other particles attached
Depth gauge setting
to the groove of the guide bar or in the oil hole. Be
particularly certain that no particles are clogging the
oil hole.
80°
3. Remove wood chips and other particles around the
oil discharge hole and around the sprocket on the
Side plate filing angle
main unit of the pruner.
Oil discharge holes
(also on the reverse side)
IMPORTANT
• When installing the guide bar, occasionally
switch it to the top and bottom to prevent
uneven wear and to extend the life of the
guide bar.
• If the oil discharge hole becomes clogged by
wood chips or other particles the pruner
could seize up.
Inspection of sprocket
1. Inspect the sprocket to ensure that the screw is not
loose or that it is not worn out.
Sprocket
Worn condition
55°
Top plate
cutting angle
30°
Top plate filing angle
0,3 mm or more
Side plate filing angle
2. If the sprocket is worn by 0.3 mm or more, as shown
in the diagram below, replace the sprocket.
Continuing to use the pruner with the sprocket in
such a condition will shorten the life of the saw
chain.
Sprocket
Gear case
Gear case
1. Remove the gear case from the shaft assembly.
2. Remove the grease plug and prepare some lithium-
type grease.
Sprocket
3. Inject enough grease (about 10g) so that some of it
spills out through the spline hole, to which the drive
shaft is inserted.
Gear case
General Cleaning and Tightening
The Pruner will provide maximum performance for
many, many hours if it is maintained properly.
− US-25 −
Top plate filing angle
(also on the reverse side)
Oil discharge holes
(also on the reverse side)
0,3 mm or more
Worn condition
Grease plug
0,3 mm or more
Worn condition
Grease plug
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