Aligning The Lower Blade Guide; Replacing The Band Saw Tyre - Metabo BAS 317 Precision WNB Instructions D'utilisation Originales

ENGLISH
All bearings need to be readjusted after
every band saw blade change and/or
tracking adjustment.
Note: 
3
Periodically check all bearings for
wear, if necessary replace both guide
bearings at the same time.
Adjusting the thrust bearing
1. If necessary, align and tighten the
band saw blade.
2. Loosen fixing screw (80) of the
upper blade guide.
3. Align upper blade guide
4. Tighten the upper blade guide's fix-
ing screw.
5. Loosen the thrust bearing's (82) lock
screw (81).
82
81
6. Adjust thrust bearing position (dis-
tance thrust bearing - band saw
blade = 0.5 mm – if the band saw
blade is turned by hand, it must not
touch the thrust bearing).
7. Tighten the thrust bearing lock
screw.
Adjusting the guide bearings
1. Loosen knurled nut (84).
2. Set guide bearings (85) with the
knurled thumb screws (83) against
the band saw blade.
3. Turn band saw wheel by hand in a
clockwise direction several times to
bring the guide bearings in correct
position – both guide bearings
should just touch the band saw
blade.
4. Retigthen knurled nut (84) to lock
the knurled thumb screw (83).
26
8.4 Aligning the Lower Blade
Guide
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: 
3
Periodically check thrust bearings
and guide bearings for wear, if necessary
replace both guide bearings at the same
time.
Basic alignment
1. Open lower housing door and the
lower blade guard (86).
2. Loosen lower blade guide fixing
screw (87) with an open jaw wrench.
86
80
87
3. Adjust position of lower blade guide
until band saw blade is centred
between the guide bearings (91).
4. Tighten screw (87).
Adjusting the thrust bearing
83
84
85
1. Loosen the thrust bearing's lock
screw (88).
2. Adjust thrust bearing position (89)
(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 the thrust bearing lock screw
(88).
Adjusting the guide bearings
1. Loosen screws (90).
2. Set guide bearings (91) 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 – both guide bearings
should just touch the band saw
blade.
4. Tighten screws (90) again.
5. Close lower blade guard (86)
6. Close the lower housing door.
8.5
Periodically check band saw tyres for
wear. Replace only in pairs:
1. Remove band saw blade (see "Care
and Maintenance");
2. Lift band saw tyre with a small
screwdriver, then pull off the band
saw wheel.
88
3. Mount new band saw tyres and rein-
stall the band saw blade.
89
90
Replacing the Band Saw
Tyre
91