Hobart Welding Products HANDLER OM-947 - Manual (Page 26)

OM-947 Page 22
SECTION 7 − MAINTENANCE &TROUBLESHOOTING
7-1. Routine Maintenance
! Disconnect power
before maintaining.
.
Maintain more often
during severe condi-
tions.
n = Check Z = Change ~ = Clean l = Replace
* To be done by Factory Authorized Service Agent
Reference
3 Months
l Damaged Or Unreadable Labels l Repair Or Replace
Cracked Weld Cable
~ Clean And Tighten Weld
Terminals
6 Months
OR
~ Inside Unit
7-2. Overload Protection
803 379-A
1 Supplementary Protector CB1
CB1 protects unit from overload. If
CB1 opens, unit shuts down.
Reset supplementary protector.
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.