. A complete Parts List is available at www.MillerWelds.com

SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

! Disconnect power before maintaining.

. Maintain more often during severe conditions.

n = Check

Z = Change

~ = Clean

Δ = Repair

l = Replace

* To be done by Factory Authorized Service Agent

 

 

Every 3 Months

nl Labels

n~ Weld Terminals

Every 3 Months

nΔ lCables And Cords

Every 6 Months

~:During heavy service, clean monthly.

6-2. Fuse F1

Tools Needed:

3/8 in

! Turn Off power before open- ing rear access door.

 

1 Fuse F1 (See Parts List For

1

Rating)

Fuse F1 protects control transform- er from overload. If F1 opens, weld output and fan motor stops. Re- place F1.

Close and secure access door.

Ref. ST-800 101-C

OM-222 Page 23

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Image 31
Miller Electric 402 Maintenance and Troubleshooting, Routine Maintenance, Fuse F1, Disconnect power before maintaining