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Maintenance Level 1 Level 2 Level 3 Level 4 Level5
Tasks Recom- Task Required Task Required Task Task Required Task
mended Comp. to be done Comp. to be done Comp. Required Comp. to be done Comp.
to be done (Date- 3 months/ (Date- Semi- (Date- to be done (Date- Bi- (Date-
monthly/ Initials) Break-in Initials) annually/ Initials) Annually/ Initials) annually/ Initials)
10 hrs. 30 hrs. 50 hrs. 100 hrs. 250 hrs.
10. Check the engine
accessory drive
belts and fan
coupling device
if equipped for
correct tension,
wear, weather
cracking, and
damage. Replace
as necessary.
11. Check the engine
valve clearance.
Adjust as
necessary.
12. Visually inspect
the unit looking
for leaks, wear or
damage, loose
connections or
components, and
corrosion. Correct
as necessary.
13. Test the engine
and transfer
switch safety
devices. Correct
and/or adjust as
necessary.
14. Initiate an
automatic start
and transfer of
the unit to site
load and exercise
it for at least 1
hour looking for
leaks, loose
connections or
components, and
abnormal
operating
conditions.
Correct as
necessary.
15. Replace the
engine
accessory
drive belts.
16. Check gearbox
oil level (if
equipped).
17. Change gearbox
oil (if equipped).
11-3
Standby Generator Sets
Service Schedule
SrvSchd001 Rev. A 09/05