Bedienungsanleitung Metabo BAS 500 (Seite 10 von 56) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Schwedisch, Norwegisch)

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5 Band Saw Setup

Blade Speed Change

To change the cutting speed, the V-belts must be changed

on the pulleys as shown in the table inside the lower

wheel housing door.

For an easy belt change a quick-action tensioning device

is provided, actuated by the handwheel (20) at the lower

right hand side of the wheel housing.

● Adjust the cap nut of the stop to set the table exactly

square with the blade.

● After the stop is adjusted, stick the rip fence scale (89)

to the rip fence carrier (201).

Cutting Height Setting

The upper blade guide should always be

set as close as possible against the

workpiece. To adjust, loosen the ratchet

lever and set the height with the handwheel

(27). Tighten ratchet lever after setting.

Ratchet lever operation:

To unlock the catch pull lever, it then can swivel freely.

To adjust bolt, release lever to engage catch and loosen/

tighten bolt as required.

Saw Blade Changing/Setting

This band saw is supplied with a general purpose

woodcutting blade (stock-no. 090 900 0394), installed

and set.

To change the blade start with removing the rip fence

carrier (201). Then slacken the blade tension by turning

the handwheel (16) on top of the machine housing

counter-clockwise, open both doors and swing the blade

guard out of the way. Remove blade from machine.

Install new blade and tension lightly. Turn upper band

saw wheels by hand to check tracking. The blade must

run in the centre of the wheels or else it may jump off. If

necessary, adjust tilt of upper band saw wheel with

starknob setting screw (28) at the rear of the upper wheel

housing.

If a blade of different width is installed, the guide bearing

of the upper blade guide and the pilot pins of the lower

blade guide must be adjusted so that the teeth are just

running clear of the pilot pins/guide bearings.

Blade Guiding

The blade guides of this band saw model BAS 500

provide for an exact guiding and lateral support of the

saw blade. When using narrow blades a firm guiding by

the upper blade guard is especially important. Ensure

the guide bearings (21) and the thrust bearing (76) are

set closely (to within 0.5 mm) against the blade.

The lower blade guide supports the back of the blade

with a small thrust bearing. Loosen the knurled thumb

screw (78) to adjust the thrust bearing position. Tighten

the thumb screw again. Thus the blade guide keeps the

blade from waving.

For wide band saw blades (from 13 mm/1/2 in.) the guide

bearings should not be used as, due to increased friction,

considerable heat is generated which may damage the

bearings. Retract guide bearings fully to clear the blade.

A wide blade is also thicker and strong enough to keep

it from waving.

4 Blade Speed Selection

This band saw can be set to four different cutting speeds

for best possible cutting results in different materials.

The cutting speed most suitable for the material to be cut

should be determined by making trial cuts in scrap

material.

Depending on the type of blade used and material to be

cut, the following recommendations are given:

a) 68/82 m/min - certain low-carbon steel, gas

aerated concrete blocks

b) 175/211 m/min - NF-metals and most plastics

c) 375/450 m/min - hardwood, certain plastics

and NF-metals

d) 967/1160 m/min - all species of wood

For this purpose four 1/2" holes are provided in the

machine's base. Locations as per drilling pattern shown

above.

Drilling pattern for anchor bolts.

533

593

601

370

300

430

Adjusting table flatness

● Due to the necessity of changing the band saw blade,

the band saw table has an aperture in its front half. In

order to maintain the flatness of the table in this area,

set screws 241 and counter nuts 240 are installed on

the guide extrusion 201.

● Adjust table flatness with the two set screws 241.

For a firm stand and vertical stability the saw must be

bolted to the floor.

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Metabo BAS 500 Seite 10

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