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2016-07-22
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40 | Start Line WBE 260 | Faults
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12.4 Self-inspection
1.
Press T-key. Displays light up one after the other,
from left to right. After the system test of the LEDs,
[ ][POS][ ] appears on the display screen.
2.
Rotate tires until LED starts to flash. If the single
tooth on the flange shaft passes the sensor, the
display screen shows [ ][POS][ 0 ].
3.
With each round, [ 0 ] appears once in the right-
hand window. When rotated in the opposite direc-
tion, the ALUS LED starts to flash.
i
The self-test program tests the position sensor and
checks that the LED is functioning normally.
12.5 Structure and setting of pressure
sensor
1.
Unfasten nuts 2, 3, 4 and 5.
2.
Unfasten nut 1, unscrew and remove vertical rod.
3.
Remove or replace pressure sensor for checking
purposes.
4.
Place the measuring sensors longitudinally on the
vertical rod and transversely on the horizontal rod.
The positive terminals on both measuring sensors
should point downwards.
5.
After connecting horizontal and vertical rods, screw
vertical rod into iron beam 1-1.5 cm.
6.
Visually check to ensure that flange shaft and ma-
chine body are perpendicular. If necessary, use nut 2
or 3 to adjust its position.
7.
Tighten nut 4 by hand, then tighten for one half turn.
Then tighten nut 5 with a wrench.
8.
Tighten nut 2 by hand, then tighten for one half turn.
Then tighten nut 3 with a wrench.
9.
After installation, use an iron wire to short-circuit
connector on pressure sensor to discharge it.
12.6 Adjusting the belt tension
1.
Remove the cover panel.
2.
Unfasten motor screw, turn motor until belt tension
is OK, at which point it should be possible to press
down belt by up to 4 mm.
3.
Retighten motor screw then install cover.
12.7 Changing the fuse
i
Install two fuses in the power supply board and
always replace them after every malfunction.
i
Before maintenance on the pressure sensor, the ma-
chine must be powered down because the computer
PCB may otherwise burn out during removal of the
sensor head. After maintenance work on the pres-
sure sensor, perform an endurance test.
i
If the size of the clamped tire exceeds 15", bridge
pins 1 and 4 on the computer PCB. Let the machine
run continuously in extended automatic operating
mode for about 15 minutes. Then turn off the power
for about 30 minutes. Then switch the machine back
on again. Perform the endurance test 5 times or
more.
