Wren KLW4120, Operation And Maintenance Manual

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5
FIG2
1
.
The first tank filled with standard of clean hydraulic oil, hydraulic oil should be used GB32# ( winter
) or 46# ( summer ), when filling the hydraulic oil to hydraulic pump on oil tank oil window shows the
warning line, immediately stop charging, while tightening the fuel tank at the top of the gas hole
cover.
2.Cxamination and connect the oil inlet and the oil return rubber hose. Check the tubing and pump
body, between the tubing and work between mechanical joint is intact, tightly.
3.Check and connect the main power line, check the power lines and various electrical components,
is in good condition. Such as: pressure gauges, electrical, automation of electrical control box, to
prevent damage in transit.
4.The power switch, press the switch of the motor, so that the whole pumping station in a work
situation automatic running 2-3minutes. At this time, pumping station is the internal internal air, at
the same time please watch whether the motor running, the pump body has no abnormal noise or
vibration.
5.After the above preparations, such as was not found to have any abnormal phenomenon is the
basic work of pumping station is normal. The handle is manually operated button press, repeated
several times in the air discharged high pressure hose.
6.press the manual button time to observe the pressure gauge pointer is upward, otherwise the
pressure pump station work is not normal, please check the troubleshooting.
7.Press the manual button, regulating the regulator valve to the set pressure.
OPERATION INSTRUCTIONS
TROUBLE SHOOTING GUIDE OF HYDRAULIC PUMP
T Ha ndle
Turn up the preasure
Locking Rin g
The pump can't be started
The voltage isn't suitable
Checked the switch and distribution
box and so on, and connect the
power.
Confirming whether the voltage
is suitable for the pump's need
The power hasn't be connected
The system has no pressure
The quick coupler hasn't be
connected to the correct position
Take down and reinstall it
No oil in the oil reservoir
Fill in oil
Not enough oil in the oil reservoir
Fill in oil
If the system has a throttle and
hand single-direction valve, please
check if the valve are open
Open the throttle and hand
single-direction valve, and
make sure the system is a circle
After reinstalling the quick
coupler,the system has no
pressure
The quick coupler can't be connected
to the correct position, which causes
no pressure in the system
Take down the quick coupler, check
if the boll is elastic with a rod, if it can't
move, please knock it with a hammer to
eliminate the mist hydraulic oil
Leakage in the quick coupler The o ring and escape have worn out Replace the quick coupler