13
05.07
7
PREVENTIVE AND CORRECTIVE MAINTENANCE
7.1 CLEANING/REPLACING
TENSION WHEEL
Removal
– Remove battery from tool.
– Release three sunk screws (104) and remove
cover (100) with ball bearing.
– Lift rocker lever (109) and remove tension wheel
(38).
– Clean the tension wheel with compressed air
(wear goggles).
– If the tension wheel teeth are covered with heavy
dirt, they must be carefully cleaned with the wire
brush supplied.
– Check tension wheel for worn teeth. If a few
teeth are broken, replace tension wheel (observe
rotating direction, see arrow).
Installation
– Install the parts in reverse order.
– Grease gear teeth of tension wheel
lightly
with
Klüber grease GBU Y 131 (Microlube).
– When mounting tension wheel lift rocker lever.
– Secure sunk screw (104) with Loctite 222.
7.2 CLEANING/REPLACING
TOOTH PLATE
Removal
– Remove battery from tool.
– Release sunk screw (47) and remove tooth
plate (46).
– Clean tooth plate with compressed air (wear
goggles).
– If the tooth plate teeth are covered with heavy
dirt, they must be carefully cleaned with the wire
brush supplied or a sharp tool.
– Check tooth plate for worn teeth, if necessary
replace tooth plate.
Installation
– Install the parts in reverse order.
– Secure sunk screw (47) with Loctite 222.
7.3 REPLACING CUTTING KNIFE
Removal
– Remove battery from tool.
– Release sunk screw (103) and cylinder screw
(153) and remove cover (146).
– Release cylinder screw (97) and remove cutting
knife (95) with fl anged bushing (96). Replace
cutting knife.
Installation
– Install the parts in reverse order.
– Before install cutting knife, check that the com-
pressing spring on top of knife is still mounted.
– Secure screw (153), (103) and (97) with
Loctite 222.
All preventive maintenance tasks can be performed
with a Phillips screw driver!
Fig. 20
47
46
Fig. 21
153
103
146
95
96
97
The tension wheel must not be cleaned
while it is rotating. There is a risk
breaking teeth!
Fig. 19 (2 = Tension wheel type for BXT 10)
104
38
100
1
109
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