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von 37
V 07.17
Service Manual BXT3-13/16/19
ENGLISH
4
Preventive maintenance work (wear parts)
WARNING
Unexpected startup during maintenance work, injuries possible.
Always remove the battery before performing cleaning or preventive and corrective maintenance
work.
4.1
Replacing tension wheel, tooth plate and knife
4.1.1
Replacing the tension wheel
Dismantling
►
Remove battery from tool. Remove four cylinder scr-
ews Torx (4), strap guide rear (5) and side cover (3).
►
Carefully pull out tension wheel (1).
►
Remove ball bearing (2) from tension wheel.
WARNING
Wear
eye
protection
when
cleaning
with
compressed
air!
►
Clean tension wheel (1) with compressed air.
► In the case of heavy soiling of the toothing: Carefully
clean tension wheel with enclosed wire brush (6).
►
Check tension wheel for worn teeth. If teeth are worn,
replace tension wheel.
Attention
The tension wheel must not be cleaned
while it is rotating. Risk of tooth breakage!
Fitting
►
Fitting is performed in reverse order. Observe the direction of rotation of the tension wheel, see arrow.
►
Lightly lubricate the inner teeth of the tension wheel with Klüber grease GBU Y 131 (Microlube).
►
Tighten cylinder screws Torx (4) with a torque of 1.0 Nm.
4.1.2
Replacing the toth plate
Dismantling
►
Remove battery from tool.
►
Remove counter-sunk screw Torx (1).
►
Lift rocker lever towards the handle, remove tooth plate
(2).
WARNING
Wear
eye
protection
when
cleaning
with
compressed
air!
►
Clean tooth plate (2) with compressed air.
► In the case of heavy soiling of the teeth: Carefully cle
-
an tooth plate with enclosed wire brush (3).
►
Check tooth plate for worn teeth. If several teeth are
worn, replace tooth plate.
Fitting
►
Fitting is performed in reverse order. Secure counter-sunk screw (1) with Loctite 222.
►
The tooth plate (2 ) must sit freely movable in the rocker.
►
Tighten counter-sunk screw Torx (1) with a torque of 1.0 Nm.
!
1 2
3 4
5
6
BXT3-19
1
2
3