Makita LB1200F Manual De Instrucciones página 15

1. Loosen bolt C, and adjust bearing holder, so that guide bearing
is positioned 1 or 2 mm from bottom of blade. (Fig. 38 - 40)
2. Loosen bolt A, and adjust thrust bearing to a position of
0.5 mm from rear of blade.
3. Loosen bolt B, and adjust guide bearing to a position 0.5 mm
away from blade.
Align the lower blade guide (Fig. 41)
The lower blade guide consists of:
- a thrust bearing (supporting the band saw blade from the rear).
- two guide bearings (providing lateral support).
These parts need to be readjusted after every band saw blade
change or tracking adjustment:
Note:
Periodically check thrust bearings and guide bearings for wear, if
necessary replace both guide bearings at the same time.
• Open lower cover door and the lower blade guard.
• Loosen hex bolt, move the entire lower blade guide, and adjust
the guide bearing to a position of 1 or 2 mm from bottom of
individual blade.
Adjusting the thrust bearing
1. Loosen bolt A.
2. Adjust thrust bearing position (distance thrust bearing - band
saw blade = 0.5 mm — if the band saw blade is turned by
hand, it must not touch the thrust bearing).
3. Tighten bolt A.
Adjusting the guide bearings (Fig. 42)
1. Loosen bolt B.
2. Set guide bearing against the band saw blade.
3. Turn the band saw wheel by hand in a clockwise direction
several times to bring the guide bearings in correct position.
Loosen bolt A, and adjust thrust bearing to a position of
0.5 mm from rear of blade. Both guide bearings should JUST
TOUCH the band saw blade.
4. Tighten bolt B again.
5. Close lower blade guard.
6. Close the lower cover door.
Aligning the saw table at right angles to the band
saw blade (Fig. 43 & 44)
1. Raise upper blade guide fully (see "Operation").
2. Check band saw blade tension (see "FUNCTIONAL
DESCRIPTION").
Turn the handle clockwise to tilt the table in an anticlockwise
direction, and turn the handle anticlockwise to tilt the table in a
clockwise direction.
3. Loosen lock lever.
4. Using a try square, set the table at right angles to the blade by
turning the handle to adjust the table, and tighten the lock lever
again.
5. Adjust limit stop screw until it touches the saw housing.
OPERATION (Fig. 45 & 46)
Danger:
To reduce the risk of personal injury as much as possible, the
following safety recommendations should be observed when
operating the saw.
CAUTION:
• Do not touch the saw blade when cutting.
• During saw operation, wear safety glasses, but do not wear
gloves.
• Cut only one work piece at a time.
• Always hold the work piece down on the table.
• Do not jam any work pieces.
• Do not try to slow the band saw blade down or stop it by pushing
the work piece against the saw blade from the side.
• When straight cutting against the fence use a push stick.
• If the type of work requires, use the following:
- pushing stick — if distance rip fence - band saw blade
 150 mm;
- work support — for long stock, which would otherwise fall off
the table on completion of the cut;
- dust collector;
- when cutting round stock, firmly secure material as shown in
diagram.
- a suitable guide for firm support when cutting thin stock layed
on edge.
- gloves for handling the saw band and rough material.
• Before starting work, check to see that the following are in proper
working order:
- band saw blade;
- upper and lower blade guard.
• Replace damaged parts immediately.
• Assume correct work position (the band saw blade's teeth must
point towards the operator).
Sawing
WARNING:
Risk of kickback (work piece is caught by the band saw blade and
thrown against the operator.)
Do not jam any work piece.
• Select rip fence and table tilt for the type of cutting operation to
be carried out.
• Set upper blade guide 3 mm above the work piece.
Note:
Always make a trial cut in a piece of scrap to verify settings, correct
if necessary before cutting the work piece.
• Place work piece on the saw blade.
• Plug in.
• Start saw.
• Cut work piece in a single pass.
• Switch off if no further cutting is to be done immediately
afterwards.
• Use separately retailed sub table.
Saw table tilt (Fig. 47)
CAUTION:
When bevel-cutting with the table inclined, place the guide on the
lower part of the table.
After loosening the lock lever the saw table tilts steplessly through
45º against the blade.
Turn the handle clockwise to tilt the table in an anticlockwise
direction, and turn the handle anticlockwise to tilt the table in a
clockwise direction.
Connecting to vacuum cleaner (Fig. 48 & 49)
Cleaner operations can be performed by connecting the tool to
Makita vacuum cleaner or dust collector.
If a dust extractor is fitted to the large opening collector, rearrange
dust collector to ensure it has a large opening.
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