Kubota B1620 Workshop Manual

STEERING
B1220, B1620, B1820, WSM
7-S20
(EU)
(2) Manual Steering Controller Body [If Equipped]
Bearing and Bearing to Worm Shaft Contact Area
1. Inspect the lower and upper ball bearing and race for roughness
or pitting. If damaged, replace bearing and race.
2. Inspect the lower and upper bearing to worm shaft contact area
for pitting or roughness. Replace parts as necessary.
9Y1210272STS0029US0
Sector Shaft
1. Inspect the sector shaft to steering gear box and side cover
contact areas for wear or scoring.
2. Inspect the teeth area and pitman arm spline for cracks,
chipping or excessive wear. Replace the sector shaft as
necessary.
3. Check the side cover bush and steering gear box bush cracks
or damage. Replace the side and steering gear box.
9Y1210272STS0030US0
Ball Nut
1. Thoroughly clean the worm shaft (2) and ball nut (3). Turn the
ball nut on the shaft, feeling for roughness, binding or sticking.
2. Check the return guide (1) for damage.
3. Inspect the ball nut teeth for excessive wear or roughness.
NOTE
• Do not remove the ball nut from the worn shaft. The two
parts are replaced as a unit only.
9Y1210272STS0031US0
(1) Return Guide
(2) Worm Shaft
(3) Ball Nut
KiSC issued 07, 2011 A

Kubota B1620 Specifications

General

Engine Type	Diesel
Cylinders	3
Fuel Type	Diesel
Hydraulic System Type	Open center
Drive	4WD
3-Point Hitch Category	Category I