8
5
Operation
5.1
Supplying coolant to the tank
When adding or replenishing coolant, please proceed from the front [coolant supply port]
●
Matters need attention in supplying coolant to the tank
Touching any live electrical parts can cause fatal electric shocks or
severe burns.
To avoid casualty accident, please observe the following precautions.
Prior to performing the work, make sure to turn off power at the power box (customer
procurement) and also at this product.
NOTE
*
Make sure to wipe up any spilt coolant on the welding power source or on this unit.
Such spilt water causes malfunction of the products.
*
Make sure to connect hoses (fingertip joint) completely (until it clicks).
Poor connection may cause water leakage or air suction, which, as a result, causes
malfunction or pump failure.
（
1
）
Once the coolant splashes on the unit or the product, it may cause malfunction
，
please wipe off the
drops immediately.
（
2
）
When connecting the coolant pipe, make sure it is reliable and tight.
（
3
）
If the coolant pipe connection is not reliable, it will leak or suck in air, resulting in poor operation and
pump failure.
（
4
）
When the connection is reliable, there will be a sound of "click"
●
Procedure:
Prepare 9 liters of coolant
（
a
）
About the coolant in Chapter 5;
（
b
）
9 liters : To supply coolant to the tank.
（
c
）
About 1 liter : To refill the tank after starting the
operation as some water will be needed to fill the pipe
conduit for the torch or the like.
Remove the tank from the unit.
Removal method of coolant tank
（
a
）
Open the front panel
.
（
b
）
As shown in the figure on the right
，
Remove t he qui ck p lug connectors of
○
1
and
CAUTION
：
○
2
to t he
coolant tank in sequence
Please note that residual coolant drips when disconnecting
fingertip joints
○
2
（
c
）
Pull the water tank toward.
,please use cotton yarn to absorb.
*
Keep the tank in a horizontal position until the tank is
set back to the unit after completion of coolant supply.
Unscrew the lid of the tank, and then supply
the coolant.
*
Make sure to supply coolant up to the
“
COOLANT
LEVEL
Min.” indicator or above.Screw the lid of the tank after water has supplied.