Maintenance Program Checklist.pdf

PDF 128 KB Posted

Attached to
Intermediate Warranty Services- Permanent Generators
Solicitation number
ITN 591 260000000037 1
Issued by
Michigan

About this file

This Maintenance Program Checklist document outlines service specifications for engine-driven generator maintenance programs in support of Michigan's Intermediate Warranty Services for Permanent Generators contract opportunity. The document presents two tiered maintenance levels designed to ensure generator reliability and compliance with industry standards. Level 1 maintenance includes one scheduled annual visit encompassing comprehensive inspections of batteries and chargers, engines, generators, fuel systems, and control panels, supplemented by regular annual maintenance tasks such as oil and filter changes, valve lash adjustments, spark plug replacements, and air filter changes. Level 2 maintenance provides two scheduled visits per year with identical inspection components, with one visit incorporating the full annual maintenance procedures outlined in Level 1. Both programs specify additional maintenance services performed on a three-year cycle, including engine coolant replacement, battery changes, and block heater hose changes, with costs charged on a time-and-materials basis.

The checklist includes a Load-Banking Option that provides practical generator output testing under realistic operational circumstances to ensure compliance with NFPA-110 standards for emergency and standby power systems. Load bank testing incrementally increases kilowatt loads while recording readings at 15-minute intervals, removing carbon buildup from exhaust ports and valves while identifying electrical component deficiencies without interrupting generator capabilities. This testing methodology ensures generators operate reliably at full-rated load capacity, addressing a critical requirement for permanent generator systems. The document establishes comprehensive inspection criteria across multiple generator subsystems and provides flexibility through tiered service levels and performance-based testing options to accommodate varying customer maintenance needs and operational demands.

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Level 1 Maintenance Program Checklist One scheduled visit per year which includes, but is not limited to:

Battery and Charger Inspection of:

o Fluid Level o Voltage o Cable & Connections o Charger output

Engine, Inspection of:

o Oil Pressure o Cranking Voltage o Safety Shutdowns and Pre-Alarms o Crankcase Blow-by o Lube Level o Spark Plugs o Leaks o Abnormal Noise or Vibration o Alternator Output

Generator Inspection of:

o Exciter o Stator o Brushes & Holders o Collector Rings o AC Windings

Fuel System Inspection o Flex Fuel Lines o Leaks

Control Panel Inspection o Voltage Regulator o Engine Monitors o Wiring & Relays o Indicator Bulbs o Connections

Regular Maintenance - Annually o Change Engine Oil & Oil Filter o Change Fuel Filter (As needed – Additional Charge) o Adjust Valve Lash o Lubricate Generator Bearings o Replace Spark Plugs (As needed - Additional Charge) o Change Air Filter (As needed – Additional Charge)

Regular Maintenance – Every 3 Years o Replace Engine Coolant (Additional Charge – T&M) o Change Batteries (Additional Charge) o Change Block Heater Hoses (Additional Charge – T&M)

Level 2 Maintenance Program Checklist Two scheduled visits per year which include, but is not limited to:

Battery and Charger Inspection of:

o Fluid Level o Voltage o Cable & Connections o Charger output

Engine, Inspection of:

o Oil Pressure o Cranking Voltage o Safety Shutdowns and Pre-Alarms o Crankcase Blow-by o Lube Level o Spark Plugs o Leaks o Abnormal Noise or Vibration o Alternator Output

Generator Inspection of:

o Exciter o Stator o Brushes & Holders o Collector Rings o AC Windings

Fuel System Inspection o Flex Fuel Lines o Leaks

Control Panel Inspection o Voltage Regulator o Engine Monitors o Wiring & Relays o Indicator Bulbs o Connections

One of the scheduled visits will also include:

Regular Maintenance - Annually o Change Engine Oil & Oil Filter o Change Fuel Filter (As needed – Additional Charge) o Adjust Valve Lash o Lubricate Generator Bearings o Replace Spark Plugs (As needed - Additional Charge) o Change Air Filter (As needed – Additional Charge)

Regular Maintenance – Every 3 Years o Replace Engine Coolant (Additional Charge – T&M) o Change Batteries (Additional Charge) o Change Block Heater Hoses (Additional Charge – T&M)

ENGINE-DRIVEN GENERATOR MAINTENANCE PROGRAMS

LOAD-BANKING OPTION

Load Bank testing is a practical method of testing the generator’s output under realistic circumstances. Providing on-demand power is the essential directive for a generator. Exercising at less than 100% full-rated load can cause generator systems to run less reliably over time. Load bank testing rids the exhaust ports and valves of carbon and cylinder-bore buildup, as well as reveals frail electrical components. This can be performed without disabling or interrupting the generator’s capabilities. This is normally a process for customers in which we incrementally increase the kW load and record several different readings on a 15-minute interval. Load bank testing will ensure that your generator complies with the industry code requirement of NFPA-110, Standard for Emergency and Standby Power Systems.

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