OM-284794 Page 36
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Complete Parts List is available at www.MillerWelds.com
8-2. Blowing Out Inside Of Unit
Do not remove case when blowing
out inside of unit.
To blow out unit, direct airflow through front
and back louvers as shown.
8-3. Coolant Maintenance
Coolant Specifications
Application GTAW or where HF (high frequency current) is used
Coolant
(3 gal)
Low Conductivity Coolant 043810
l 50/50 solution
l Protects to –37°F
(–38°C)
l Resists algae growth
Distilled or dionized water okay above 32°F (0°C)
NOTICE – Use of any coolant other than those listed in the table voids the warranty on any
parts that come in contact with the coolant (pump, radiator, etc.).
Disconnect input power before
maintaining.
1 Coolant Filter
Unscrew housing to clean filter.
Changing coolant: Drain coolant by tipping
unit to the front, or use suction pump. Fill
with clean water and run for 10 minutes.
Drain and refill with coolant.
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If replacing hoses, use hoses compati-
ble with ethylene glycol, such as
Buna-N, Neoprene, or Hypalon. Oxy-
acetylene hoses are not compatible
with any product containing ethylene
glycol.
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