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728444 Rev. 11/02
5-1
•–Refer to break-in services for initial change.
+ – More often under dusty or dirty conditions and during hot weather.
X – Torque after first 50 hours also.
Y – Torque after first 2 hours of operation.
XX – Check monthly or every 200 hours, whichever comes first.
Z – Perform initial hydraulic filter change after 50 hours, at same time initial engine
break-in adjustments are performed.
A – See Engine Manual. Refer to Engine Owner’s Manual for recommendations and
other maintenance items.
B – 4200/4400/4420/4600 change after first 35 hours of operation. Refer to Engine
Owner’s Manual for recommendations and other maintenance items.
C – 4200/4400/4420/4600 tractors only.
D – 4300/4500 tractors only
E – Use oil with a rating equivalent to CD or higher
F – Inspect every 100 hours and replace if worn or cracking is noticed. Otherwise,
replace every 1000 hours or 2 years whichever comes first.
G – Do not clean filter element. Replace with a new one.
H – Check hydraulic and fuel line hoses for any cracks or leaks.
I – Trash & clipping buildup around engine could cause a fire. Keep engine
compartment and muffler area clean.
NOTE: After completing maintenance cycle (1000
hours), repeat cycle.
Introduction
WARNING: Unless specifically required, DO
NOT have engine running when servicing or
making adjustments to tractor. Engage neutral
lock levers and parking brake. To prevent
carbon monoxide poisoning, be sure proper
ventilation is available when engine must be
operated in an enclosed area. Read and observe
safety warnings in front of manual.
Regular maintenance is the best prevention for costly
downtime or expensive, premature repair. The following
pages contain suggested maintenance information and
schedules which the operator should follow on a routine
basis.
MAINTENANCE AND ADJUSTMENTS
AC
F
ABE
D
H
D
AD
AD
A
AD
1
2
3
4
2
21
14
8
7
19
9
10
15
17
18
20
22
20
11
12
16
6
19
5
Maintenance Locator Chart
1. PTO Shaft 17. Radiator Cap
2. U-Joint Grease Zerks (2) 7. Battery Location 12. Oil Dipstick (diesel units) 18. Oil Cooler
3. PTO Spline Grease Zerk 8. Air Filter & Service Indicator 13. Oil Fill Location 19. Drive Tire
4. Hydraulic System Filter 9. Oil Filter (gas units) 14. Fuel Filter (gas units) 20. Rear Tire
5. Hydraulic Reservoir 10. Oil Dipstick (gas units) 15. Fuel Filter (diesel units) 21. Pump Clutch Mount Grease Zerk
6. Fuel Gauge & Filler Cap 11. Oil Filter Location (diesel units) 16. Coolant Recovery Tank 22. Tail Wheel Pivot
INTERVALS (HOURS)
MAINTENANCE SCHEDULE
SERVICE AT INTERVALS INDICATED
Check coolant level Every 8 hours
Visually inspect tractor for loose hardware
and/or damaged parts Daily
Visually inspect tires Daily
Check oil level, engine Every 4 hrs.
Check radiator screen Every 4 hrs.
Clean air filter intake screen Every 4 hrs.
Check fuel level Every 8 hrs.
Check air cleaner service indicator+ Every 8 hrs.
Lube rear wheel axle Every 8 hrs.
Visually inspect radiator core+ Every 40 hrs.
Lube rear wheel bearings (2) Every 40 hrs.
Lube PTO spline Every 50 hrs.
Tighten hub bolts on wheels (Y)(X) Every 50 hrs.
Check oil level, hydraulic XXXXXXXXXX
Lube PTO U-joints (2) XXXXXXXXXX
Check alternator belt tension XXXXXXXXXX
Check pump belt tension & condition XXXXXXXXXX
Check steering lever tension XXXXXXXXXX
Change engine oil and filter +* XXXXXXXXXX
Lube pump clutch mount XXXXXXXXXX
Check governor oil level XXXXXXXXXX
Check fuel & hydraulic hoses XXXXXXXXXX
Check alternator & governor belt tension XXXXX
Lubricate throttle, governor & choke linkage XXXXX
Check grommets and ball joints
on steering linkage (XX) XXXXX
Adjust idle mixture & speed X X
Change fuel filter + X X
Replace spark plugs X X
Clean hydraulic filler cap X X
Clean radiator core + X X
Change hydraulic filter (Z) and oil + X
Change radiator coolant X X
Check steering shock absorbers X X
1000
900
800
700
600
500
400
300
200
100
13
G
I