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4. adding coolant to radiator, 5. connecting the battery, 6. connecting to weld output terminals – Hobart Welding Products ARCSTAR OM-487 User Manual

Page 19

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OM-487 Page 15

4-4.

Adding Coolant To Radiator

ST-801 939-C / Ref. ST-187 602-A

Y

Stop engine and let cool.

.

Check coolant level according
to Section 4-3 before starting
this procedure.

If coolant level is below bottom of
radiator filler neck, add coolant as
follows:

1

Thermostat Housing Plug

Remove thermostat housing plug.
Add coolant to radiator until coolant
is at bottom of filler neck and cool-
ant trickles out of thermostat hous-
ing plug hole. This ensures all air is
purged from the system.

Reinstall plug and radiator cap.
Check coolant level in recovery
tank (see Section 4-3).

Engine coolant is a mixture of water
and ethylene glycol base anti-
freeze. A solution of 50% antifreeze
and 50% water must be used in this
engine. Do not use 100% antifreeze
or severe damage will occur.

Full

Capacity: w/Overflow

Tank 6.9 qt (6.5 L)

Tools Needed:

8 mm

1

4-5.

Connecting The Battery

Ref. ST-801 965 / Ref. ST-187 602-A / Ref. S-0756-D

+

3/8, 1/2 in

Y

Connect negative (–)
cable last.

Tools Needed:

4-6.

Connecting To Weld Output Terminals

Y

Do not connect to CC and CV
terminals at the same time.

1

Work Weld Output Terminal

2

Stick/TIG (CC) Weld Output
Terminal

3

Wire (CV) Weld Output
Terminal

For MIG welding, connect work
cable to Work terminal and wire
feeder cable to Wire (CV) terminal.

For Stick/TIG welding, connect
work cable to Work terminal and
electrode holder cable to Stick/TIG
(CC) terminal.

3

2

1