Miller 907684001, Owner'S Manual

Page: 76 / 92

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A complete Parts List is available at www.MillerWelds.com
OM-270536 Page 68
12-4. Blowing Out Inside of Unit
805497-A
!
Do not remove case when
blowing out inside of unit.
To blow out unit, direct airflow
through front and back louvers as
shown.
T25 Torx
Tools Needed:
12-5. Coolant Maintenance
805502-A
!
Disconnect input power be-
fore maintaining.
1 Coolant Filter
Unscrew housing to clean filter.
Changing coolant: Drain coolant by
tipping unit to the front, or use suc-
tion pump. Fill with clean water and
run for 10 minutes. Drain and refill
with coolant.
.
If replacing hoses, use hoses
compatible with ethylene gly-
col, such as Buna-N, Neo-
prene, or Hypalon. Oxy-acety-
lene hoses are not compatible
with any product containing
ethylene glycol.
1
Low Conductivity Coolant No. 043810**; Distilled Or Deionized Water
OK Above 32
°
F (0
°
C)
GTAW Or Where
HF* Is Used
Application
Coolant
*HF: High Frequency Current
**Coolant 043810, a 50/50 solution, protects to -37
°
F (-38
°
C) and resist algae growth.
NOTICE − Use of any coolant other than that listed in the table voids the warranty on any parts that come in contact with the coolant (pump,
radiator, etc.).
1-1/4
Gal