Hydraulic Pump; Manual Steering Model; Power Steering Model - Kubota B1220 Workshop Manual

B1220, B1620, B1820, WSM

3. HYDRAULIC PUMP

[1] MANUAL STEERING MODEL

[2] POWER STEERING MODEL

The hydraulic pump is composed of the casing (1),
cover (3), side plate (4), and two spur gears (drive gear
(2) and driven gear (5)) that are in mesh.
Hydraulic pump is driven by the fuel camshaft.
Maximum displacement is as follows.
[B1220]
Displacement
8.4 L/min.
Approx. 3100 min
2.2 U.S.gals/min.
(rpm)
1.8 Imp.gals/min.
[B1620 and B1820]
Displacement
14.1 L/min.
Approx. 2800 min
3.72 U.S.gals/min.
(rpm)
3.10 Imp.gals/min.
(1) Casing
(2) Drive Gear
(3) Cover
The hydraulic pump is composed of the casing (1),
cover (5), side plate (4), and two spur gears (drive gear
(3) and driven gear (2)) that are in mesh.
Hydraulic pump is driven by the fuel camshaft.
Maximum displacement is as follows.
[Hydraulic Pump (for Power Steering)]
Displacement
7.9 L/min.
Approx. 2800 min
2.1 U.S.gals/min.
(rpm)
1.7 Imp.gals/min.
[Hydraulic Pump (for 3P)]
Displacement
13.1 L/min.
Approx. 2800 min
3.46 U.S.gals/min.
(rpm)
2.88 Imp.gals/min.
(1) Casing
(2) Driven Gear
(3) Drive Gear
(4) Side Plate
(5) Cover
8-M6
HYDRAULIC SYSTEM
Engine Speed Condition
-1
At no load
Engine Speed Condition
-1
At no load
(4) Side Plate
(5) Driven Gear
9Y1210272HYM0007US0
Engine Speed Condition
-1
At no load
Engine Speed Condition
-1
At no load
A : Pump for 3 Point Hydraulic
System
B : Pump for Power Steering
9Y1210272HYM0008US0
KiSC issued 07, 2011 A
(EU)