12
low.
valve
3. Settle
the
troubleshooting
of the hydraulic
system.
Hydraulic
part
of
hydraulic
system
and
machine
can
not
work
（
carriage,
tool
arm
and jaw
）
1. Rotation
direction
of
the
hydraulic oil pump
motor is not correct.
2. Thermal
over-load protective
device break
3. 24V fuse broken
1. Exchange
fuse in the plug;
2. Connect the
thermal over load
protector
3. Change fuse
The other technical troubleshooting should be
setled by the professional technicians authorized
！
Maintenance
The operators should always clean and
maintenance the machine.
The operators should maintenance the
equipments in reference to the methods described
in the instruction manual provided by the
manufacturer.
Before clean and maintenance, you should cut off
the power/pneumatic supply .
Mechanical maintenance
Periodically clean the chuck and carriage and
lubricate carefully with gun.
Check the oil level of the hydraulic power unit. Add
the wear resistance hydraulic oil with the viscosity
required.
Transportation
The requirement to the rope or the methods to
hoist, see the Fig15 of this manual.
Note
：
Pull out the power plug and keep well the power
cord if long time no use of machine.
Repair
No matter which troubleshooting, handle as per
the methods listed on P12. The other
troubleshooting should be handled by the
professional personnel or contact with the dealer
or the manufacturer..
Remind
：
After the troubleshooting
happens and need repair, provide
the following information
A model of machine; B series number; C detail of
troubleshooting
Knowledge and note for the
repair and maintenance
Before any maintenance and repair, you should
cut off the power supply and air source to prevent
the accident to the operator of equipment and
the person responsible for the equipment should
periodically check and survey.
１
. The power supply must be grounded reliable.
２
.The oil cup of the air regulator should be filled
with the oil periodically and the oil feeding should
be adjusted. When the pneumatic part active for
4times, one drop of oil will be feed.
３、
You should secure the air supply pressure to
be 8-10bar
，
or the machine can not operate
normally.
４ 、
Hydraulic power unit should use the
wear-resistant hydraulic oil N46. You should not
adopt the hydraulic oil of different chemical.
Change the hydraulic oil one time for the total time
to use the hydraulic oil reaches 600—800hours to
DTM590
DUNLOP GARAGE EQUIPMENT
