
8
FIG2
1.KLW4010N hydraulic power pump is designed for hydraulic torque wrench. There is a 2-way,
4-position Air control valve on the pump, port A is high pressure point, it can export the oil at the high
pressure, and port B is low pressure point which can return the oil at the low pressure.
(1)Please loosen the valve for adjusting pressure before operating.
(2)Please connect the air line and press the air input valve on the flank of the pump to make the
pump start working and oil exporting.
(3)Please press the working button on the controller and adjust the pressure unit the working
pressure reach to what you need, and then loosen the working button on the controller.
(4)When the desired pressure is reached, the motor stops working, and the pressure will keep the
same. when the pressure falls down, the motor starts to work again.
(5)When the motor is working, if you press the “off” button on the pump, the motor stops working,
the piston and pressure will also be stopped at the position when the motor stopped working, even
if the pressure fell, the motor would not work again.
(6)After operating, please press the rubber button on the top of the air control valve in order to
release the pressure in hoses and equipments, then you can take down the hose and cover the
Safety cap for the quick couplers.
OPERATION INSTRUCTIONS
TROUBLE SHOOTING GUIDE OF HYDRAULIC PUMP
T Ha ndle
Turn up the preasure
Lock ing Rin g
The pump can't be s tarted
The voltage isn't suitable
Chec k ed the input air, switc h and
distribution box and so on, and
connect the air.
Confirming whether the voltage
is s uitable for the pump's need
The power hasn't be connected
The system has no pres s ure
The quick coupler hasn't be
connected to the correct position Take down and reinstall it
No oil in the oil res ervoir 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 c oupler