Xilin CDDR, Руководство по эксплуатации, Страница: 33 / 60

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1 Adjustment methods of safety valve pressure
The pressure of safety valves has already been
adjusted when the truck is ex-factory. Users shall
not adjust the pressure at will. Otherwise it will
bring danger to the truck’s hydraulic system and
safety. If the oil pressure is not in accordance
with specified value, please ask the professional
personnel to adjust according to the test methods
stipulated in the JB/T3300 standards as well as
the following methods:
1 Screw out high pressure oil tube and install
pressure meter with capacity over 20Mpa at
the high pressure oil outlet.
2 Press lifting operation button to measure the
system pressure. The stipulated system pressure
is 11.5Mpa for truck with rated load of 2000KG
and 13.5 Mpa for truck with rated load of
2500KG.
3 If oil pressure is not in accordance with the
specified value, please loosen locknuts of the
overflow valves. Turn pressure screw left and
right until the pressure reaches the specified
value. When the screw is turned clockwise, the system pressure increases. While the screw is turned
counter-clockwise, the system pressure
decreases.
4 After the adjustment, please screw down the locknuts.
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Common fault signal and troubleshooting
1230 controller fault code and diagnosis list
LED
CODE
1311 DISPLAY EXPLANATION POSSIBLE CAUSE
1,2 motor speed encoder
The speed sensor signal
can’t be detected.
1 Incorrect or ineffective speed sensor
wiring.
2 Controller defective.
Motor Failsafe
The motor speed is not in
the normal scope.
Speed sensor malfunction.
2 The electromagnetic brake of motor is
not loosened completely.
3 Insufficient braking torque.
4 P,I setting improper
5 Failsafe delay too short
1,3 Motor Overcurrent Motor overcurrent 1 Incorrect motor wiring
2 Controller defective.
Motor Output Fault Controller output abnormal 1 Incorrect motor wiring
2 Controller defective.
Locknut
Pressure adjusting