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OM-945 Page 39
Trouble Remedy
Erratic power output at generator pow-
er ac receptacles.
Check fuel level.
Check engine speed and adjust if necessary (see Section 8-7 or 9-7).
Check receptacle wiring and connections.
Have Factory Authorized Service Agent check brushes and slip rings.
C. Engine
Trouble Remedy
Engine will not crank. Check fuse F6, and replace if open (see Section 8-4 or 9-4).
Check battery voltage.
Check battery connections and tighten if necessary.
Check plug PLG4 and plug PLG8 connections.
Have Factory Authorized Service Agent check Engine Control switch S2.
Engine will not start. Check fuel level.
Check battery voltage.
Check battery connections and tighten if necessary.
Check oil level (see Section 5-2 or 5-3).
Check low oil pressure shutdown switch (see Parts List for location).
Have Factory Authorized Service Agent check fuel shutoff solenoid FS1.
Engine starts, but stops when Engine
Control switch returns to Run position
Check oil level.
C
ontrol switch returns to Run position.
Check and refill crankcase with proper viscosity oil for operating temperature, if necessary.
Check low oil pressure shutdown switch (see Parts List for location).
Engine stopped during normal
operation
Check fuel level.
operation.
Check oil level (see Section 5-2 or 5-3).
Check fuse F6, and replace if open (see Section 8-4 or 9-4).
Check low oil pressure shutdown switch (see Parts List for location)
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check voltage regulator and connections according to engine manual.
Have Factory Authorized Service Agent check fuel shutoff solenoid FS1.
Battery Discharges between uses. Clean battery, terminals, and posts with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check voltage regulator and connections according to engine manual.
Engine idles, but does not come up to
weld speed.
Have Factory Authorized Service Agent check field control board PC1, and current transformer CT1.
Engine speed varies rapidly under
heavy generator power load.
Reduce generator power load at ac receptacles.
Unstable or sluggish engine speeds. Readjust throttle linkage if necessary. Check throttle solenoid TS1 for smooth operation.
Check oil level. Oil level should not exceed Full mark on dipstick. Fuel pump will operate erratically if
crankcase is overfilled.
Tune-up engine according to engine manual.
Engine does not return to idle speed. Remove weld and generator power loads.
Check throttle linkage for smooth, non-binding operation.
Have Factory Authorized Service Agent check current transformer CT1, Engine Control switch S2,
throttle solenoid TS1, and field control board PC1.