Hobart Welding Products OM-945 manual Overload Protection Kohler-Powered Units

Models: OM-945

1 64
Download 64 pages 15.1 Kb
Page 36
Image 36

9-4. Overload Protection (Kohler-Powered Units)

Tools Needed:

3/8 in

1

2

YStop engine.

.If the unit is extremely over-

loaded, weld and generator pow- er will stop. Turn unit off and re- start to reset the generator protection circuit and restore weld and generator power out- put.

If the rated output of the unit is ex- ceeded, engine speed may vary rapidly until the weld or generator power load is reduced.

1Circuit Breaker CB4 (See Parts List)

CB4 protects the generator excitation circuit. If CB4 opens, there will be no/low weld and generator power output.

Press button to reset breaker.

2 Fuse F6 (See Parts List)

F6 protects the engine wiring harness. If F6 opens, the engine does not crank. If F6 opens while the engine is running, the engine stops.

Replace fuse if open. Reinstall panel before operating unit.

. If a fuse or circuit breaker opens,

it usually indicates a more seri- ous problem exists. Contact a Factory Authorized Service Agent.

Ref. 801 221-B / Ref. 802 353-G

9-5. Servicing Optional Spark Arrestor (Kohler-Powered Units)

Y Stop engine and let cool.

1 Spark Arrestor Screen

Clean and inspect screen. Replace spark arrestor if screen wires are broken or missing.

1

Tools Needed:

1/4 in

Ref. 801 695-A / Ref. 802 339-A

OM-945 Page 32

Page 36
Image 36
Hobart Welding Products OM-945 manual Overload Protection Kohler-Powered Units