Coolant Filter Replacement (Without Coolant Flush) - Lincoln Electric FineLine 170HD Operator's Manual

FineLine 170HD Plasma System

6.2 Coolant Filter Replacement (without Coolant Flush)

Important: When handling coolant, wear nitrile gloves and safety glasses.
Remove primary power to the Power Supply.
Use a Torx T30 screwdriver to loosen the four screws on the right side of the
Power Supply that secure the coolant filter access panel. Remove the coolant
filter access panel.
Unscrew the filter housing (turn to the left) and then carefully remove it from the
Power Supply. Minimize spilled coolant. Wipe up any spilled coolant.
Remove the dirty coolant filter cartridge from the housing and replace with new
coolant filter cartridge part number KP4730-1.
Re-install the filter housing into the Power Supply and tighten by hand (turn to
the right). Wipe up any spilled coolant.
Replace the coolant filter access panel and then tighten the four screws.
Apply primary power to the Power Supply.
Press the Coolant On button on the FineLine UI > Status Screen > Diagnostics.
Coolant will begin circulating through the system.
Allow the coolant to circulate until the flow value stabilizes between 1.2 and 1.5
GPM as displayed on the FineLine UI > Status Screen.
Press the Coolant Off
button to stop coolant
flow (FineLine UI >
Status Screen >
Diagnostics).
End of procedure.
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Coolant Filter
Inside Housing
Page 92 of 132
BK8053-000111 Rev D
Access Panel
Removed
Figure 18: Coolant Filter Replacement