beautypg.com

Section 6 − maintenance &troubleshooting, 1. routine maintenance, 2. overload protection – Hobart Welding Products HANDLER 125 AND H-9B GUN OM-947 212 149D User Manual

Page 24: 3. drive motor protection

background image

OM-947 Page 20

SECTION 6 − MAINTENANCE &TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

3 Months

Replace

unreadable

labels.

Repair or

replace

cracked

weld cable.

Clean and

tighten weld

terminals.

6 Months

Blow out or

vacuum inside.

During heavy

service, clean

monthly.

Or

6-2. Overload Protection

803 379-A

1

Supplementary Protector CB1

CB1 protects unit from overload. If

CB1 opens, unit shuts down.
Reset supplementary protector.

1

6-3. 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.

See also other documents in the category Hobart Welding Products Tools: