Generator 1000-Hour / Annual Service Procedure

Major service - diesel generator (stationary and portable)

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1000-HOUR / ANNUAL (MAJOR) SERVICE

Estimated duration: 4 - 6 hours • Frequency: every 1,000 engine hours or annually

Carry-forward: This service includes all 500-hour tasks. Complete the 500-hour service procedure first, then perform these additional items. See maptrack.com/templates/generator-500-hour-service

Equipment Details

# Service Action (1000-Hour / Annual Additional Items) Type Done Notes
Cooling System
1Drain, flush and replace coolantDRAIN/FILL
Engine
2Check/adjust injectors or send for testingADJUST
3Check/adjust valve clearancesADJUST
4Inspect turbocharger for play and oil leaksINSPECT
5Inspect starter motor and solenoidINSPECT
Air Intake
6Replace inner air filter elementREPLACE
Fuel System
7Drain and clean fuel tankDRAIN
8Replace fuel lines (if deteriorated)REPLACE
Electrical
9Full electrical insulation resistance test (megger)TEST
10Inspect and service circuit breakerINSPECT
11Inspect and test all gauges, sensors and sendersINSPECT
Mechanical
12Full vibration analysisTEST
Exhaust System
13Inspect exhaust silencer and rain capINSPECT
Compliance / Records
14Annual compliance check (if applicable)CHECK
15Update generator log bookCHECK

Fluid Specifications (General Guide)

SystemType / GradeApprox. Capacity
Engine oil15W-40 CI-4 / CK-48 - 20 L (depending on size)
Coolant50/50 ethylene glycol10 - 25 L (full system replacement)
GreaseEP2 lithium complexAs required

Specifications are general guidelines for typical diesel generators (stationary and portable). Always refer to the manufacturer's service manual for your specific make and model. Capacities vary by generator size and configuration.

Parts / Consumables Required (1000-Hour / Annual Additional)

#Part / ConsumablePart NumberQtyReady
1All 500-hour parts (see 500-hr checklist)-
2Inner air filter element1
3Coolant (full system replacement)10-25 L
4Fuel lines (if replacing)As req.
5Rags, drip tray, waste oil container-

Notes / Defects Identified

Next Service Due

Technician

Supervisor / Workshop Manager