TP-7070 7/18 75Section 3 Scheduled Maintenance
Service Schedule, continued
Action
System—Component Visually Inspect Check Change Clean Test Interval
DC Electrical System
Battery charger operation, charge rate X Monthly
Battery electrolyte level (not necessary with AGM
batteries)
X Monthly
Battery specific gravity, charge state (not necesary with
AGM batteries)
X Monthly
Clean and tighten battery terminals X X Quarterly
Recharge after engine start X Monthly
Remove corrosion, clean and dry battery and rack X X Monthly
Tighten DC electrical connections X 6 Months
AC Electrical System
General Inspection X Weekly
Circuit breakers, fuses[
X X R X X Monthly
Safety and alarm operation X X 6 Months
Tighten control and power wiring connections X Yearly
Transfer switch main c ontacts[
X X Yearly
Wire abrasions where subject to motion X X Quarterly
Wire-cable insulation breakdown X X 3 Years or 500 Hrs.
Engine and Mounting
General inspection
D
Weekly
Air cleaner service
D D
2 Years or 3000 Hrs.
Bolt torque
D D
3 Years or 500 Hrs.
Lines and hoses
D
R 4 Years or 2000 Hrs.
Injector pump, fuel lines, and injectors
D D D
2000 Hrs.
Valve clearance
D
See the Engine O/M.
Viscous damper
D
Turbocharger
D D
Water pump
D D
Remote Control System, etc.
Compartment condition X X Weekly
Remote control X Monthly
Run generator set X Monthly
Alternator
General inspection X Weekly
Bearing condition ] ] ] ]
Yearly
Exciter ] ] ] ]
Yearly
Rotor and stator ] ] ]
Yearly
Voltage regulator ] ] ] ]
Yearly
Measure and record resistance readings of windings
with insulation tester (Meggerr, with SCR assembly or
rectifier disconnected) ]
]
Yearly
Blow dust out of alternator*] ] ]
2Years
General Condition of Equipment
Any condition of vibration, leakage, unusual noise,
excessive temperature, damage, or deterioration
X X X Weekly
Ensure that system is set for automatic operation X Weekly
Interior of equipment room or outdoor weather housing X X Weekly
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.
] Alternator service must be performed by an authorized Kohler service representative.
Meggerr is a registered trademark of Biddle Instruments.
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