Miller 028042108, Owner'S Manual

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OM-270223 Page 11
SECTION 6 − MAINTENANCE & TROUBLESHOOTING
6-1. Routine Maintenance
!
Disconnect power
before maintaining.
= Check = Change = Clean = Replace
* To be done by Factory Authorized Service Agent
Reference
Every
3
Months
NOTICE − Clean coolant filter. Severe condi-
tions may require more frequent cleaning (con-
tinuous use, high/low temperatures, dirty envi-
ronment, etc.). Failure to properly clean cool-
ant filter voids pump warranty.
Coolant Filter
Every
6
Months
Cracked Parts Change Coolant (If Using
Water)
Replace Unreadable Labels
Every
12
Months
Change Coolant
6-2. Coolant Maintenance
956172191_7-A
!
Disconnect cooler plug from
welding power source recepta-
cle before maintaining.
!
Dispose of used coolant ac-
cording to national, state, and
local codes. Do not pour down
drain.
1 Cooler Side Panel
2 Coolant Level Indicator
3 Coolant Filter
Unscrew housing to clean filter and
housing.
Changing Coolant
Drain coolant by tipping unit forward.
Fill with clean water and run for 10 min-
utes. Drain and refill.
NOTICE − If replacing hoses, use
hoses compatible with ethylene glycol,
such as Buna-n, Neoprene, or Hy-
palon. Oxy-acetylene hoses are not
compatible with any product contain-
ing ethylene glycol.
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2
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