Fan Belt; Engine Assembly View; Air Cleaner Assembly View - Kubota U20-3 Workshop Manual

U20-3, U25-3 WSM

(4) Fan belt

Engine assembly view

(5) Air cleaner

Air cleaner assembly view

[1] Reassembling procedure
1) Tightening torque of fan flange bolt:
7.8~8.8N⋅m (0.8~0.9kgf⋅m)
Fit the fan in position, referring to the figure at
left.
2) Tightening torque of sensor (temperature):
62.7~72.5N⋅m (6.4~7.4kgf⋅m)
3) Tightening torque of alternator assembly
mounting bolt:
39.2~44.1N⋅m (4.0~4.5kgf⋅m)
4) Adjusting the V belt tension
Pressing the belt with a force of 58.8-68.6 N⋅m
(6~7 kgf⋅m), readjust the deflection to 7~9 mm.
[1] Reassembling procedure
1) Connect the hose (1, inlet) as shown at left.
* An out-of-spec angle may cause unusual
operating noise.
2) Parts list
No. Part name
1 Air cleaner, assembly
2 Base (air cleaner)
3 Nut
4 Air cleaner band
5 Hose (1, inlet)
6 Pipe band
7 Pipe band
8 Hose (2, inlet)
9 Pipe band
III-S-9
Engine (Service section)
Q'ty Remarks
1 (422)
1
2 M10×1.25 4T
1
1
1
1
1
1