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OM-249 498 Page 29
SECTION 7 − MAINTENANCE &TROUBLESHOOTING
7-1. Routine Maintenance
! Disconnect power
before maintaining.
. Maintain more often
during severe conditions.
n = Check Z = Change ~ = Clean l = Replace
* To be done by Factory Authorized Service Agent
Reference
Every
3
Months
l Unreadable Labels ~ Weld Terminals l Damaged Gas Hose nl Weld Cables
nl Cords nl Gun Cables
Every
6
Months
OR
~ Drive Rolls ~ Inside Unit
7-2. Overload Protection
250 653-A
1 Supplementary Protector
CB1/Power Switch
CB1 protects unit from overload. If
CB1 opens, unit shuts down.
Reset supplementary protector/
power switch.
CB1 also turns unit on and off.
1
7-3. Drive Motor Protection
Drive motor protection circuit protects drive motor from overload. If drive motor becomes inoperative, release gun
trigger and wait until protection circuit resets allowing drive motor to feed wire again.