Generac
®
Power Systems, Inc.
19
Section 4 — Maintenance
Guardian Liquid-cooled 40 kW Generator
4.12 SERVICE SCHEDULE
ATTENTION: It is recommended that all service work
be performed by your nearest Generac/Guardian Authorized Dealer.
SYSTEM/COMPONENT
PROCEDURE
FREQUENCY
X = Action
Inspect
Change
Clean
W = Weekly
R = Replace/Adjust as Needed
M = Monthly
* = Notify Dealer
Y = Yearly
if Repair is Needed.
H = Hours
FUEL
Fuel lines and connections*
X
EVERY 3 M
LUBRICATION
Oil level
X
M
Oil
X
FIRST 9 H,
EVERY 150 H / 6 M
Oil filter
X
FIRST 9 H,
EVERY 150 H / 6 M
Oil line leakage*
X
100 H
COOLING
Engine cooling system*
X
M
Coolant
X
Y
Enclosure louvers
X
X
W
EXHAUST
Exhaust system
X
EVERY 3 M
Retorque Exhaust Manifold*
X
FIRST 100 H AND
EVERY 800 H
BATTERY
Charge and condition
X
R
X
EVERY 3 M
FAN BELT
Tension and condition*
X
R
EVERY 3 M
ENGINE
Retorque cylinder head*
X
FIRST 100 H AND
EVERY 800 H
Retorque intake manifold*
X
FIRST 100 H AND
EVERY 800 H
Starter motor*
X
R
EVERY 500 H
DC alternator*
X
R
EVERY 500 H AND Y
Air cleaner*
X
R
EVERY 500 H
Compression*
X
EVERY 800 H
Valve clearance*
X
R
EVERY 800 H
Governor*
X
R
Y
Safety devices*
X
R
EVERY 6 M
Spark plugs
X
R
500 H AND Y
Ignition system*
X
R
EVERY 3 M
GENERAL
Overall condition
X
X
M
Exercise system
W
COMPLETE TUNE-UP*
TO BE COMPLETED BY A GENERAC/
Y
GUARDIAN AUTHORIZED DEALER
