Makita BHS630 Technical Information page 13

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[4] ADJUSTMENT
Following two kinds of adjustment screws are used in this product.
1. M6x8 Hex socket head set screw for adjusting Accuracy of 90 degrees .
2. M5x8 hex socket head set screw for adjusting Accuracy of Parallel of Base to saw blade
See the following drawing in Fig. 17.
Fig. 17
2. M5x8 Hex socket head set screw
for adjusting accuracy of parallel
of Base to saw blade
[4]-1. Adjusting Accuracy of 90 degree cut
Mounting Saw blade to the machine, set the machine to the lowest possible position to obtain the max. cut depth.
But, do not attach Battery to the machine.
Adjust accuracy of 90 degree cut as drawn in Fig. 18.
Fig. 18
Apply triangular rule as per the illustration
and adjust the accuracy of right angle by turning
M6x8 Hex socket head set bolt with hex wrench,
until the two sides of the adjusting jig fit to Base
and saw blade completely.
[4]-2. Adjusting Accuracy of Parallel of Base to Saw blade
Mounting Saw blade to the machine, set the machine to the lowest possible position to obtain the max. cut depth.
But, do not attach Battery to the machine.
Adjust accuracy of parallel of Base to saw blade as drawn in Fig. 19.
Fig. 18
1. Loosen M5x8 Hex socket head set screw
with Hex wrench a little bit.
2. Apply square to the machine as per the
illustration.
3. Adjust by moving the rear side of base,
until the Square fits both to the saw blade
and the front edge of base.
Base
1. M6x8 Hex socket head set screw
for adjusting accuracy of 90 degree
of Base to saw blade
Triangular rule or 1R208
M5x8 Hex socket
head set screw
Rear side
of Base
Hex wrench
M6x8 Hex socket
head set bolt
Square
Saw blade
Front edge of
Base
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