Hobart Welding Products OM-945 Welding System User Manual


 
OM-945 Page 29
8-4. Overload Protection (Robin-Powered Units)
802 342 / Ref. 802 353-G
! Stop engine. Disconnect nega-
tive () battery cable.
. 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 output.
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 is no/low
weld and generator power output.
Press button to reset breaker.
2 Fuse F6 (See Parts List)
F6 protects the engine wiring system.
If F6 opens, the engine does not
crank. If F6 opens while the engine is
running, the engine stops.
Replace fuse if open. Reinstall cover
before operating.
. If a fuse or circuit breaker opens,
it usually indicates a more serious
problem exists. Contact a Factory
Authorized Service Agent.
3/8 in
1
2
Tools Needed:
8-5. Servicing Optional Spark Arrestor (Robin-Powered Units)
Ref. 801 682-A / Ref. 802 353-A
! 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
1
Tools Needed: