TP-6844 1/13 Section 4 Troubleshooting 59
Starts hard Low battery voltage Check battery voltage during
cranking.
Charge battery. Replace battery if
necessary.
O/M
Check battery charger
connections and power
connection to the generator set.
Tighten loose connections. W/D Section 7
Air cleaner clogged Check for a dirty air cleaner
element.
Replace element. O/M
Fuel mixture
adjustment
incorrect
Use oxygen sensor to check fuel
mixture.
Adjust fuel mixture. Section 5.8
Spark plug(s) Check spark plug condition and
gap.
Replace or regap spark plug(s). O/M
Spark plug wire(s) Check spark plug wires and
connections.
Tighten connections. Replace
spark plug wires if damaged.
Engine S/M
Ignition
components (spark
control or ignition
module)
Test ignition components
according to instructions in the
engine service manual.
Replace ignition components if
necessary.
Engine S/M
Insufficient fuel
pressure
Check fuel pressure to the
generator set. Verify adequate
fuel pressure and pipe size for the
generator set plus all other gas.
Contact fuel supplier to replace
fuel supply lines with larger pipe
and replace gas meter if fuel
pressure is insufficient.
Section 5.8.2
Output Shorted Check wiring and load. Remove short circuit.
Engine problem Troubleshoot the engine. See engine service manual. Engine S/M
Noisy
operation
Exhaust system
leaks
Check silencer and connections
for leaks.
Replace gaskets and exhaust
system components as necessary.
—
Engine not running
smoothly
See “Erratic operation,” this table. See “Erratic operation,” this table. —
Broken or
damaged
vibromount(s)
Inspect vibromounts. Replace as necessary. Section 6
Loose or vibrating
sheet metal/
housing
Check for loose screws and rivets. Retighten screws; replace rivets. —
Exhaust piping or
air inlets/outlets not
securely installed
Inspect for loose parts. Secure loose parts as necessary. —
Excessive
engine/generator
vibration
Check rotor, crankshaft, bearing,
etc. (disassembly of engine and/or
alternator may be required).
Check, rotor, crankshaft, bearing,
etc. (disassembly of engine and/or
alternator may be required).
Section 6
Engine S/M
High engine speed Check settings. Return to factory settings.
Overheats Inadequate cooling Inspect engine and enclosure for
air intake obstructions.
Clear any air intake obstructions. O/M
Air cleaner clogged Check for a dirty air cleaner
element.
Replace air cleaner element. O/M
Problem Possible Cause Test Corrective Action Reference
W/D = Wiring Diagram(s) (Section 7) Engine S/M = Engine Service Manual
I/M = Generator Set Installation Manual O/M = Generator Set Operation Manual
S/S = Generator Set Specification Sheet
To Next Page
Loading...
