Hobart Handler 190 - Section 7 − Maintenance; Routine Maintenance; Overload Protection; Drive Motor Protection

TM-260 273 Page 26 Handler 190
SECTION 7 − MAINTENANCE
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
802 441
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.