A-3
INSTALLATION
COOL ARC
®
40
A-3
LYING DOWN (HORIZONTAL):
Carefullyadd2gallons(7.6liters)ofcoolantthrougha
funnelintothecoolantreservoirfillhole.
AvOID SPILLING COOLANT INTO THE LOUvERS
ON THE TOP OF THE COOLER.
Thecooleris"FULL"whenthecoolantliesjustbelow
the coolant reservoir opening with the cooler in the
upright(vertical)position.
NOTE: DO NOT ADD MORE THAN 2 GALLONS
(7.6 LITERS) OF COOLANT INTO THE RESER-
vOIR.
The fill cap contains a pressure release air
hole, which must not be blocked by overfilling the
reservoirwithcoolant.
Be certain to replace the reservoir fill cap when the
reservoir is full. Simply press on the inside center of
thefillcapuntilthecapsnapsintoplace.Operationof
the COOL ARC
®
40 without the fill cap in place can
cause poor cooling efficiency, evaporation loss of
coolantandreducedproductlife.
COOLANT "IN" AND "OUT" CONNECTIONS
The fittings located on the back center of the COOL
ARC
®
40 are two female
5/8-18 left-hand threaded
fittings.
(CGA Style) These mate with water hoses
typicallyusedintheweldingindustry.
Refer to Figure 1.
WATER OR COOLANT LINE CONNECTIONS TO THE
COOL ARC
®
40
Taketheconnectornutofthewaterhoseandcheckif
thethreadofthemaleconnectornutmatchesthe5/8-
18lefthandfemalethreadinthefittingonthebackof
theunit.
For all Lincoln products and those with a connector
nutonthewaterhosethatmatewiththefittingsonthe
backoftheCOOLARC
®
40:
(Reference FIG. 1)
Taketheaccessory"InLET"hose
(coloredortaggedblueonmosthoses)andthreadit
intothecoolant"OUT"fittinglocatedontherightside
ofthebackofthecooler.Securetheconnectornutof
the hose tightly into the fitting with a wrench so that
leaking does not occur. Then take the accessory
"OUTLET" hose (colored or tagged red on most
hoses)andthreaditintothecoolant"In"fittinglocated
ontheleftsideofthebackofthecooler.Again,tightly
securetheconnectornutofthehoseintothefittingof
the cooler with a wrench to insure that no leaking
occurs.
NOTE: BE CERTAIN THAT NO LEAKS EXIST
WHEN THE COOLER IS TURNED ON. A LEAK
WILL DEPLETE RESERvOIR vOLUME, CAUSING
POOR COOLING PERFORMANCE AND REDUCING
GUN OR TORCH LIFE.
If the connector nut on a water hose does not mate
with the fittings on the back of the COOL ARC
®
40,
orderthefollowing:
(See Parts Lists for Item’s below)
(2)Connectornuts
(2)nipplesfor3/16"I.D.hose
(2)HoseClamps
FIGURE 1
InletandOutletHoseConnectionDiagram
COOLANT
IN
COOLANT
OUT
FROM
HEAT
SOURCE
(RED)
TO
HEAT
SOURCE
(BLUE)
