Hobart Welding Products OM-945 Welding System User Manual


 
OM-945 Page 32
9-4. Overload Protection (Kohler-Powered Units)
Ref. 801 221-B / Ref. 802 353-G
Y Stop 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.
1 Circuit 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.
3/8 in
Tools Needed:
2
1
9-5. Servicing Optional Spark Arrestor (Kohler-Powered Units)
Ref. 801 695-A / Ref. 802 339-A
Y Stop engine and let cool.
1 Spark Arrestor Screen
Clean and inspect screen. Replace
spark arrestor if screen wires are
broken or missing.
1/4 in
Tools Needed:
1