Maintenance
22 Owner’s Manual for Stationary Industrial Generators
4.3 — Maintenance Level 1A
One Time at 50 Hours / 3 Months. These maintenance tasks must be performed by a trained/qualified service techni-
cian. Comply with all safety notices contained in the Owner’s Manual. Some of these tasks require the use of the appli-
cable engine service manual.
Qualified Service Technician Maintenance Tasks.
Perform these tasks in addition to the regularly scheduled Monthly maintenance tasks
Requires approximately 2.5 hours per unit.
Task Completed
Date/Initials
1.
Disable the unit from operating per the procedure found in the owner’s manual.
2. Check engine valve clearance (valve lash) as specified in the engine service manual.
NOTE: This is NOT required for engines with hydraulic lifters. Check the engine service man-
ual.
3. Change the engine oil.
4. Change the oil filter(s).
5. Check the engine accessory drive belts and fan coupling device (if equipped) for correct ten-
sion, wear or abrasion, deterioration, or damage. Correct as necessary.
6. Check all hoses, piping, and connections (intake, exhaust, coolant, block heater, fuel and fil-
ters, oil lines and filters) for tightness, leaks, deterioration or damage. Correct as necessary.
7. Check wiring connections (at MLCB, customer connections, control terminal strips, battery,
etc) for loose connections, corrosion or damage. Correct as necessary.
8. Return the unit to operational condition and test. Place the unit in automatic and open the ser-
vice disconnect to force the unit to start and transfer to the load. Exercise the unit against the
load for 15 minutes, visually inspecting for leaks, loose connections or components, and any
abnormal operating conditions. Record the unit voltage, frequency, kW and kVA while running.
Restore utility power and monitor transfer to utility, cool-down and shutdown. Correct any dis-
crepancies.
Voltage: Frequency: kW: kVA:
9. If the control has alarm and/or event or run logs, record the alarm and event logs to a history
file for the unit.
10. Return the unit to operational condition.
Date inspection Completed: Unit hour Meter Reading:
Technician/Authorized Operator signature signifying inspection complete:
Record any oil or coolant added and notes about any discrepancies found and corrective action taken.
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