Kubota L3902 User Manual

7. Bleed the fuel system.
(See Bleeding the fuel system on page 127)
IMPORTANT :
• If the water separator and/or fuel filter is not
kept in good condition, the supply pump and
injector may be damaged earlier than
expected.
SERVICE EVERY 600 HOURS
1. Adjusting the front axle pivot
WARNING
To avoid personal injury or death:
• Be sure to stop the engine and remove the
starter key before checking the front axle pivot.
If the adjustment of front axle-pivot pin is not correct,
vibration in the front wheel may occur causing vibration
in the steering wheel.
1. Loosen the lock nut, and screw-in the adjusting
screw until seated.
2. Tighten the adjusting screw with an additional 1/6
turn.
3. Retighten the lock nut.
(1) Adjusting screw
(2) Lock nut
SERVICE EVERY 800 HOURS
1. Changing the front axle case oil
WARNING
To avoid personal injury or death:
• Be sure to stop the engine and remove the
starter key before changing the front axle-case
oil.
1. To drain the used front axle-case oil, remove the
right and left drain plugs and filling plug at the front-
axle case and drain the front axle-case oil
completely into the oil pan.
2. After draining, reinstall the drain plugs.
3. Gently pour new oil through the filling port.
Required quantities of front axle-case oil are written
in the following table. Make sure to pour the
specified amounts. If front axle-case oil overflows
before pouring any of the specified amounts, wait a
couple of minutes and try again.
(See LUBRICANTS, FUEL, AND COOLANT on
page 96)
Front axle case oil capacity
4.5 L
(4.8 U.S.qts.)
4. After filling, reinstall the filling plug.
5. Operate the machine a few minutes in order for the
front axle-case oil to flow through the front-axle
case.
6. Remove the oil level-check plug and check to see if
the front axle-case oil flows out of its port.
(1) Check plug (2) Filling plug
(1) Drain plug
7. If the front axle-case oil does not flow out, add the
front axle-case oil from the filling port until it flows
out of the oil level-check port.
8. Reinstall and tighten the oil level-check plug and
the filling plug.
PERIODIC SERVICE SERVICE EVERY 600 HOURS
120
L3302,L3902

Kubota L3902 Specifications

General

Engine Horsepower	37.5 HP
Cylinders	3
Drive	4WD
3-Point Hitch Category	Category I
Hydraulic System Type	Open Center
Engine Type	Diesel
PTO Horsepower	30.8 HP
Displacement	111.4 cu. in. (1.826 L)
Transmission Type	Gear shift or HST
Number of Gears	8F / 8R (Gear Shift)
Fuel Tank Capacity	11.9 gal (45 L)
Length	121.1 in (3076 mm)
Width	55.1 inches
Height	91.7 in (2329 mm)
Tire Size (Front)	7-16
Tire Size (Rear)	11.2-24