Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Hydraulic system (Service section)
IV-S-45
[2] Mounting and dismounting the pump
2) Reassembling procedure
1. Hydraulic adaptor mounting direction and angle.
Mount it as shown at left.
CAUTION:
There should be no close contact with other parts in the hose line.
2. Tightening torque of hydraulic adaptor:
G3/8 49.0~53.9N⋅m(5.0~5.5kgf⋅m)
No. Part No. Part name Q'ty Remarks
1
RB411-6111Δ Pump assembly 1 U20-3 EU(blue)(611)
RB511-6111Δ Pump assembly 1 U25-3 EU(yellow)
2 01133-61230 Bolt 2 M12×1.25 7T
3RB411-6317Δ Flange (suction) 1
4 04811-10440 O-ring 1
5 01123-61020 Bolt 4 M10×1.5 7T
6 RB201-63881 Elbow pipe joint (F3x2-T1) 1 P2
7 68311-64321 Straight pipe joint 1 P4
8RB511-6398Δ T pipe joint (3-3-3) 1 P1
9RB511-6399Δ Elbow pipe joint (3-4-25) 1 P1
10 RB511-6397Δ Hydraulic hose (5/8) 1
11 RB511-6396Δ Plug (G1/2, hose) 1
12 RB511-6394Δ Cushion (plug) 1
13 68551-51251 Cushion 2
14 RB511-6395Δ Collar 2
15 04015-60100 Plain washer 2
16 01133-61025 Bolt 2
17 PR201-6181Δ Pipe joint (L. G3/8-03/8) 1 P3
18 RG908-8644Δ ADAPTER 2 R1/7 P1⋅P2
04810-00140 O-ring for 3/8
Identification of pumps
Color of nameplate
U20-3 EU
U25-3 EU
Blue
Yellow
[Note]
Both the U20-3 EU and U25-3
EU have side branches.
Filter
Nameplate
U20-3 EU: Blue
U25-3 EU: Yellow

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English