Kohler 8E - Electrical System

TP-6277 10/03 Troubleshooting 33
Engine (Continued)
Problem Possible Cause Corrective Action
Operates erratically
Air intake clogged Clean the backfire flame arrestor
p
y
Stale or bad fuel Replace the fuel
Fuel pump vapor lock Allow the unit to cool and attempt restart
Clogged fuel filter Replace the fuel filter
Faulty spark plug(s) Replace the spark plug(s)
Governor adjustment incorrect Adjust the governor controller
Overheats
Inadequate cooling Check the coolant level
Thermostat inoperative Replace the thermostat
Sea strainer clogged Clean the sea strainer
Air intake clogged Clean the backfire flame arrestor
Unit is noisy
Exhaust system leak Inspect the exhaust system for leaks and repair
them
Exhaust system not securely installed Check for loose parts and tighten them
Broken or damaged vibromounts Check vibromounts for cracks
No installation clearance (unit hits craft
structure or compartment)
Check and increase clearances
No compartment sound insulation Install approved insulation
Excessive vibration engine/generator (internal
imbalance)
See an authorized Kohler service
distributor/dealer
Loose or vibrating sheet metal Check shrouds
4.2 Electrical System
Problem Possible Cause Corrective Action
Battery will not charge
Loose or corroded connections Clean and tighten connections
y
g
Sulfated or worn-out battery Check the electrolyte level and specific gravity
(batteries with filler caps only). Replace if
necessary
Inoperative battery charging system See an authorized Kohler service distributor/dealer
Battery charging fuse blown Replace the fuse. If fuse blows again see
an authorized Kohler service distributor/dealer
Starter cranks slowly
Low battery output Check the electrolyte level and specific gravity
(batteries with filler caps only). Replace if
necessary
Lube oil viscosity too heavy Use correct viscosity oil
Loose or corroded wiring Clean and tighten loose connections
High starter current draw Rebuild or replace the starter
Battery cables undersized See Installation Section—Electrical Systems
Starter does not work
Loose or corroded connections Clean and tighten loose connections
correctly
Low battery output Check electrolyte level and specific gravity
(batteries with filler caps only). Check battery
voltage. Replace if necessary
Inoperative starter solenoid Replace the starter solenoid
Inoperative start/stop switch Replace the switch
Inoperative wiring Check the wiring