Kohler 20-2250 kW Operation page 23

Service Schedule, continued
System—Component
AC Electrical System
Controller lamp test
General Inspection
Circuit breakers, fuses[
Wire abrasions where subject to motion
Safety and alarm operation
Tighten control and power wiring connections
Transfer switch main contacts[
Voltage-sensing device/relay adjustment[
Wire-cable insulation breakdown
Engine and Mounting
General inspection
Governor operation, lubricate moving parts
Air cleaner service
Choke, carburetor adjustment
Governor oil (mechanical governor only)
Ignition components
Injector pump and injector flow rate, pressure,
spray pattern
Valve clearance
Bolt torque
Remote Control System, etc.
Compartment condition
Remote control
Run generator set
Alternator
General inspection
Rotor and stator
Bearing condition
Exciter
Voltage regulator
Measure and record resistance readings of
windings with insulation tester (Meggerr, with
SCR assembly or rectifier disconnected)
Blow dust out of alternator*
General Condition of Equipment
Any condition of vibration, leakage, noise,
temperature, or deterioration
Ensure that system is set for automatic operation
Interior of equipment room or outdoor weather
housing
D Follow procedures and frequencies indicated in the engine manufacturer's maintenance manual.
If not indicated, follow this service schedule. Some items may not apply to all generator sets.
R Replace as necessary.
X Action.
* Service more frequently if operated in dusty areas.
[ Do not break manufacturer's seals or internally inspect these devices.
Meggerr is a registered trademark of Biddle Instruments.
TP-6161 1/12
Action
Visually Inspect Check
X
X
X X
X X
X
X
X
D
X
D
D D
D
D
D
D
D
D
D
X
X
X
X X
X X
X X
X
X X
X
X
Change Clean Test
R
R X X
X
X
D
X
D
D
D
D
X
X
X
X
R
X
X
X
D
X
X
Section 3 Scheduled Maintenance
Interval
Weekly
Weekly
Monthly
Quarterly
Six Months
Yearly
Yearly
Yearly
3 Years or 500 Hours
Weekly
Monthly
Six Months
Six Months
Yearly
Yearly
Yearly
3 Years or 500 Hours
3 Years or 500 Hours
Weekly
Monthly
Monthly
Weekly
Yearly
Yearly
Yearly
Yearly
Yearly
2 Years or 300 Hours
Weekly
Weekly
Weekly
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