Product Manual

Owner’s Manual for Mobile Generator 45
Maintenance
a. During initial operation of a new or rebuilt engine with Break-In Plus, change the oil and filter between 100–500 hours.
b. If not using John Deere Plus 50 II engine oil, the interval must be decreased to every 250 hours.
c. Actual service should take place when the dash indicator light comes on or as indicated by the diagnostic gauge.
d. Increased inspections required under dusty or damp conditions. See
Trailer Wheel Bearings for more information.
Basic Maintenance Schedule
Item Daily
Every 500
Hr/12 Mo
Every
1,500 Hr
Every
2,000
Hr/24 Mo
Every
3,000 Hr/
36 Mo
Every
4,500 Hr/
36 Mo
Every
4,500 Hr/
60 Mo
Every
6,000 Hr/
72 Mo
As
Required
Check engine oil level 
Check engine coolant level 
Check fuel level 
Drain water from fuel filters 
Check air cleaner dust valve
restriction indicator gauges

Inspect engine compartment 
Check tire pressure 
Service fire extinguisher 
Service battery 
Inspect wheel bearings
d

Change engine oil and replace oil
filter
a, b

Check coolant pump weep hole 
Check open crankcase vent
(OCV) system

Replace fuel filter elements 
Check automatic belt tensioner
and belt wear

Check cooling system 
Pressure test cooling system 
Check engine speeds 
Check engine mounts 
Check engine electrical ground
connection

Change OCV filter
c

Check crankshaft vibration
damper

Adjust engine valve clearance 
Test glow plugs for continuity 
Change DEF dosing unit filter 
Change crankshaft vibration
damper

Flush and refill cooling system 
Test thermostats 
Drain water from fuel filters when
alarm sounds

Add coolant 
Clean DEF tank 
Pre-start cleaning guide 
Service air cleaner filter elements 
Clean diesel particulate filter 
Replace alternator/fan belt 
Check fuses 
Replace after-treatment DEF tank
header suction screen

Grease axles and jacks 