Aligning The Riving Knife; Saw Storage; Maintenance; Saw Blade - Metabo BKS 400 Plus Original Operating Instructions

– Saw blades have to be installed
in such way that they do not wob-
ble or run out of balance and can-
not work loose during operation.
7. Attach the outer blade collar (74).
– BKS 450 Plus 5.5 DNB:
The two driver lugs on the outer
blade collar must extend into the
two cut-outs in the saw spindle.
– BKS 400 Plus 4.2 DNB:
The two driver lugs on the inner
blade collar must extend into the
two cut-outs in the outer blade
collar.
A
Danger!
– Do not extend the tool for tight-
ening the arbor bolt.
– Do not tighten the arbor bolt by
hitting the wrench.
8. Screw the arbor bolt (72) on the
saw blade mount into the saw spin-
dle (left-hand thread!) and tighten.
Hold outer blade collar (74) with ring
spanner to counter.
9. Install the protective cover (76) on
the chip case. To do so, carry out
the following steps:
– Insert the protective cover.
– Screw in the hexagon nuts (75)
on the protective cover (76).
76
75
9.2

Aligning the riving knife

3
Note: BKS (pre-assembled)
The riving knife has already been
aligned to the saw blade in the factory.
However, it is still necessary to check
the distance from the riving knife to the
saw blade and if necessary align the
knife at regular intervals.
To align the riving knife:
Remove the protective cover (78)
•
from the chip case. To do so, carry
out the following steps:
– Remove the hexagon nuts (77)
from the protective cover and
store.
– Take off the protective cover,
guide it out through the bottom
and store.
78
77
Adjusting the distance from the
riving knife to the saw blade
The distance between the saw blade's
outer edge and the riving knife shall be
between 3 and 8 mm.
The riving knife must project over the
saw table at least as far as the saw
blade does.
80
79
ENGLISH
1. Loosen the Keps nut (79) on the riv-
ing knife carrier one full turn.
2. Adjust the distance from the riving
knife to the saw blade.
3. Adapt the riving knife height to the

saw blade.

3
Note:
When tightening the Keps nut make
sure the two lugs (80) on the counter-
part of the riving knife carrier are run-
ning in the tracks of the riving knife car-
rier.
4. Tighten the Keps nut.
After aligning re-install the protective
cover on the chip case.
9.3

Saw storage

A
Danger!
Store saw so that
– it cannot be started by unauthor-
ised persons and
– nobody can get injured.
A
Caution!
Do not store saw unprotected out-
doors or in damp environment.
9.4

Maintenance

Before switching ON
– Carry out a visual inspection to de-
termine whether the distance be-
tween the saw blade and the riving
knife is 3 to 8 mm.
– Carry out a visual inspection to de-
termine whether the saw blade is
lined up with the riving knife.
– Check to ensure the power cable
and plug are undamaged. Have de-
fective parts replaced by an electri-
cian.
After switching OFF
Check whether the saw blade keeps
running for more than 10 seconds after
switch-off. If so, contact a certified ga-
rage!
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