Yuchai YC135, Руководство по эксплуатации и обслуживанию

Страница: 175 / 183

175
TROUBLE MAIN CAUSE SOLUTION
•
Alternator broken.
•
Contact assistant service.
•
Alternator faulty.
•
Contact assistant service.
The lamps are dark
when the engine is
running.
•
The electric loop is trouble.
•
Check the loop, connect and
repair.
•
Hydraulic oil is cold.
•
Operate with hydraulic
equipments to increase the
oil temperature. Every part of the
hydraulic system work
too slow.
•
The hydraulic pump speed is
too low.
•
Contact assistant service.
•
Oil circuit is blocked.
•
Contact assistant service.
•
Hydraulic oil filter is plugged.
•
Clean or replace the filter.
•
Oil pump is worn.
•
Contact assistant service.
•
Oil radiator is blocked.
•
Clean.
•
Main safety valve and over
load valve or over fall valve
pressure is too high.
•
Contact assistant service.
The temperature of the
hydraulic oil is too high.
•
Oil is too dirty.
•
Drain the oil and refill.
•
Leakage between oil tank
and pump.
•
Check and tighten pipe
connection.
•
There is water in hydraulic
oil.
•
Replace oil.
Hydraulic oil is
emulsified or there is
foams in the oil.
•
Oil level is too low.
•
Refill.
•
Safety valve is broken.
•
Contact assistant service.
•
Oil level is too low.
•
Refill.
Oil pressure is too low or
no pressure.
•
Hydraulic pump is damaged.
•
Replace the pump.
•
Hydraulic pump is damaged.
•
Replace the pump..
•
Main safety valve pressure is
low.
•
Contact assistant service.
•
Oil level is too low.
•
Refill.
•
Oil intake filter is plugged.
•
Clean the intake filter.
•
Gaskets damaged.
•
Replace gaskets.
Every cylinder or motor
work difficulty or can’t
work.
•
Pilots are damaged and
result in oil leakage.
•
Repair or replace the
damaged pilot.
Both travel units don’t
work.
•
Oil mixed in the slewing
joints central.
•
Contact assistant service.
One of the travel unit
doesn’t work.
•
Travel unit is damaged.
•
Contact assistant service.
•
Crawler is too tightly or
loosen.
•
Adjust crawlers tension.
•
Capability of the Oil pump
lowered.
•
Contact assistant service.
Abnormal travelling.
•
Crawler frame is damaged.
•
Repair or replace.