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Generac Power Systems 004992-0, 004992-1, 37kW NG, 40kW LP Owner's Manual Page 23

Liquid-cooled, prepackaged standby generator.
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Maintenance
Tasks
1. Disable the unit from
operating per the first page
warning.
2. Check the engine oil level.
Adjust as necessary.
3. Check the engine coolant
level. Adjust as necessary.
4. Check the engine coolant
thermal protection level.
Correct as necessary.
5. Check the natural gas
delivery system on gas
engine driven units.
Tighten connections as
necessary.
6. Check the air inlets and
outlets for debris. Clean as
necessary.
7. Check the battery
electrolyte level if
accessible. Adjust as
necessary.
8. Check the battery posts,
cables, and charger for
loose connections,
corrosion, and proper
operation. Correct as
necessary.
9. Check the unit wiring for
loose connections,
corrosion, and damage.
Correct as necessary.
10. Check the engine
accessory drive belts for
wear, weather cracking,
and damage. Replace as
necessary.
11. Visually inspect the unit
looking for leaks, wear or
damage, loose connections
or components, and
corrosion. Correct as
necessary.
12. Test the engine and
transfer switch safety
devices. Correct and/or
adjust as necessary.
Level 1
Recom-
Task
mended
Comp.
to be done
to be done
(Date-
3 months/
monthly
Initials)
Section 4 — Maintenance
Guardian 40kW Liquid-cooled Generators
Level 2
Level 3
Required
Task
Required
Comp.
to be done
(Date-
Break-in
Initials)
annually
Level 4
Task
Comp.
Required
Semi-
(Date-
to be done
Initials)
Annually
Generac
®
Power Systems, Inc. 21
Task
Comp.
(Date-
Initials)

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Guardian 004992-0, Guardian 004992-1

Comments to this Manuals

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Latest comments:
  • Byron Woodall Aug 03, 2016 11:25:
    does generac ever have any cold solder joints in their circuit boards n the 4992-1 gen-set 40KW unit.
  • ROBERTO Dec 09, 2014 06:23:
    (1)COOLANT LEVER SENSOR GENERATOR KOHLER WITH JOHN DEERE ENGINE 4-CYLINDER​;

    KOHLER 37KW
    MODEL​# 40ROZJ61
    S​ERIAL# 368864

    EN​GINE SERIAL# CD4039D228​041
    ENGINE FAMILY# 4039DF

    MY EMAIL IS LTBP.ROBER​TO@GMAIL.C​OM