BorMann PRO BBS4010 Mode D'emploi page 14

EN
Maintenance
Brush inspection (Fig. 22)
If the machine is new, check the carbon brushes after the first 50 operating hours or if a new brush has been mounted. After the initial check, check every 10
operating hours.
If the carbon is worn down to a length of 6 mm, or the spring or the shunt wire is burnt or damaged, both brushes must be replaced. If the brushes are found
to be usable after removal, they can be reinstalled.
1. To service the carbon brushes, open both locks (as shown in figure 22) counterclockwise.
2. Then remove the carbon brushes.
3. Re-insert the carbon brushes in reverse order.
Replacing the saw band (Fig. 7-11)
Attention: Disconnect the mains plug before carrying out any maintenance work.
1. Rotate the tightening lever for the saw band (13) in a clockwise direction up to the stop, in order to relieve the saw band tension (see Figure 7).
2. Turn the metal band saw over and place it down on a workbench or table like this.
3. Loosen the Phillips screws (a) and remove the saw band guard (9) (left/right) by sliding to the left or right.
4. Start to remove the saw band at the top part of the saw band guard (14) and continue right around the drive unit of the saw band (16). When removing the
saw band, the tension may be relieved and the saw band may jump off.
SAW BANDS ARE SHARP. WEAR PROTECTIVE GLOVES WHEN HANDLING THEM.
5. Check the guide rollers (18) and remove all coarse chips that may be in here. Jammed chips may prevent the guide rollers (18) from turning and lead to flat
spots.
6. Rubber belts (17) are located on the pulleys (13). The rubber belts should be checked for looseness or damage when changing the saw band. Wipe chips off
the rubber belts (17).
7. Position the saw band (11) such that the teeth are on the base and are angled in the direction of the workpiece stop (10), as shown in Figure 9.
8. Slide the saw band (11) into the guide rollers (18), as shown in Figure 10.
9. Hold the saw band (11) in the guide rollers (18) and place it around both drive units (16).
10. Tension the saw band (11) using the tightening lever for the saw band (13).
11. Push the saw band guard (left/right) (9) back onto the metal band saw and screw it tight again.
12. Attention! Do not operate the metal band saw without the saw band guard!
13. Switch the metal band saw on and off a few times, to ensure that the saw band is sitting correctly.
CAUTION: Maintain physical distance from the saw band area during this test.
Service information
With this product, it is necessary to note that the following parts are subject to natural or usage-related wear and are conisdered as consumables:
• Carbon brushes
• Saw bands
Note that these may not be included in the scope of delivery.
Spare parts and accessories can be obtained from authorised service centres.
TRANSPORTATION & STORAGE
Transportation
Transport the metal band saw by holding it with both hands by the handles (1) and (8).
Carry the machine on the saw table (21) with the metal band saw mounted to the saw table.
Storage
Store the device and its accessories in a dark, dry and frost-free place , away from children. The optimum storage temperature is between 5 and 30 ˚C.
Store the power tool in its original packaging with the operating manual.
Cover the electric tool to protect it from dust or moisture.
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