Technical Data; Changing The Carbon Brushes; General Maintenance - Fein BLS 2.5 Reparaturanleitung

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1. Technical Data

Order Reference
Type
Input
Output
Current type
Cutting speed approx.
Incisions strokes
Weight
Safety Class
Cutting capacity:
2
Steel up to 400 N/mm
2
Steel up to 600 N/mm
Steel up to 800 N/mm 2
Alu up to 250 N/mm 2
Radius of smallest curve approx.
2. Maintenance
Please note that electrical tools should only be repaired, ser-
viced and checked by qualified electricians, since repairs car-
ried out improperly can place the user at serious risk (BGVA2).
Check tests have to be carried out according to DIN VDE 0702-1.
After repair the regulations laid down in German Industrial
Standard DIN VDE 0701 Part 1 / 9.00 must be complied with.
Only use original FEIN spare parts. Please read safety
instructions No. 3 41 30 054 06 1 thoroughly!
The relevant German Industrial Insurers' accident prevention
regulations or equivalent must be complied with when starting
up, using and servicing the machine.
Correct usage of technical tools is as stipulated by the German
Technical Equipment Safety Act.

2.1 General maintenance:

Check connection lead (180) for damage!
Blow out the motor with dry compressed air.
Check the carbon brushes (see section 2.2).
Maintenance intervals:
2.1.1
After approx. 300 operating hours:
2.1.2 Clean the machine. Blow out or brush out the brush
holder and insulated parts. Grease roller bearings.
(see table on page 4).
2.1.3 Renew gear grease. Please only use FEIN special grease
according to table on page 4.
2.1.4 Renew grease for plunger lubrication (see table on
page 4).
1 88 50 295 06 7 X 01.03
All manuals and user guides at all-guides.com
7 230 26
BLS 2.5
350 W
210 W
1 ~
3-6 m/min
1500/min
2.1 kg
II q
2.3 mm
2.0 mm
1.6 mm
3.0 mm
20-30 mm
Depending on the type of duration of use, but at the
latest after 6 months of operation:
2.1.5 Clean the machine thoroughly. Wash out the ball
bearings and gear with a cleaning agent and add fresh
lubricant (see page 4).
Warning: Only dry clean electrical parts!
Damage due to improper handling, overloading or normal
wear are excluded from the warranty. We assume warranty
for faulty material or craftsmanship.

Changing the carbon brushes

2.2
If the carbon brushes have worn down to a length of
7 mm, they must be replaced with new ones. When
checking the carbon brushes, ensure that they move
freely in the brush holder.
Only use original FEIN carbon brushes.
Allow the new carbon brushes to run in for 15 minutes
without load.
Exchanging the mains cable
2.3
Remove screws (160,170). Take off cover (150).
Remove cable clamping piece (130) and screws (140).
Loosen mains cable from the terminals. Fit the new
mains cable in reverse sequence.
3. Disassembling the machine
3.1 Remove the power plug from the mains receptacle!
Dismantling the motor
3.2
3.2.1 Loosen screws (160,170) and take off cover (150).
3.2.2 Take out carbon brushes (80). Loosen screws (90)
and take off carbon holders (70) with distributor for
plug-in connections (75).
3.2.3 Loosen screws (660) and sealing ring (670) with
ass. shear head.
3.2.4 Loosen screws (640) and take intermediate bearing
(330) with assembled armature (250) out of motor
housing (10). Pay attention to sealing (340).
3.2.5 Press armature (250) out of intermediate bearing
(330).
3.2.6 Draw grooved ball bearing (380) out of intermediate
bearing.
3.2.7 Pull 2 grooved ball bearings (300) off armature (250).
3.2.8 Loosen and remove switch (100).
3.2.9 Remove air conducting ring (60) and screws (50) then
take out pole housing (40).
7 230 26/BLS 2.5
9