BT REFLEX RR B7-8C - 15.5.3 Inspection; 15.5.4 Assembling; 15.6 Maintenance

Valid from serial number T-code
713962- 403-414, 669-671, 716-718
Order number Date
218920-040 2005-06-01
© BT Europe AB Service Manual REFLEX RR B/E, RR B/E CC 15- 19
Travel brake system – 3100.2
Maintenance
15.5.3 Inspection
• Check the thickness of the discs.
The nominal thickness of a new disc = 2.0 mm
Wear limit = 1.4 mm
• When replacing discs. Replace all inner and outer discs at the same
time. Not individually.
• Also check that the discs are flat and that the splines or cut-outs are
not damaged.
• Check the magnet coil’s electrical resistance. Nominal 47.7 Ohm at
20
o
C
NOTE!
The resistance measurement can be performed with the brake/wheel
in the truck.
15.5.4 Assembling
• Clean the parts carefully.
NOTE!
Clean only with a wire brush and dry cloth.
• Assemble the brake in the reverse order.
• Connect the brake to 48 V D.C.
• Check the play between the end plate and pressure plate (brake ap-
plied). Adjust the play if necessary.
15.6 Maintenance
The brake is included as a checkpoint in the truck’s maintenance chart,
for intervals see the maintenance chart section P2.
Maintenance comprises inspection and adjustment of the play between
the pressure plate and end plate, wear and the magnet coil’s resistance
and cleaning.
• Cleaning and inspection/adjusting of the play shall be carried out
every 1000 operating hours.
• Check for wear and the magnet coil’s resistance shall be carried out
every 3000 operating hours.
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