3
.
Front axle assembly
.............
3-1 Front axle assembly (YM155D
.
YM135D)
................
3-2
Front axle assembly (YM155. YM135)
.
3-3 Front axle assembly (YM155D.
.
YM135Dl
...............
3-4
Differential device assembly (YM155D
.
YM135D. front axle)
..........
4
.
Center pin assembly
.............
4-1 For YM155D
&
YM135D
.......
4-2 For YM155
&
YM135
.........
5
.
Brake drum assembly
.............
6
.
Hydraulic system assembly
..........
6.1 Cylinder head assembly
.........
62 Lifting shaft.
lift
arms.
liff
crank.
hydraulic piston rod assembly
.....
6-3 Control valve assembly
.........
6-4
Hydraulic control fork. hydraulic
control lever assembly
.........
6-5 Auto-return rod. operator's seat
bracket assembly
............
6-6 Slow return valve assembly
.......
n
6-7 Lift arm assembly
............
68
Operational precaution polnts
.....
...........
XI1 . Tractor adjustments
141
XI
II
.
Tractor trouble-shooting
........
142
1
.
Engine and related items
...........
143
2
Electrical system
...............
145
3
.
Brake system
.................
745
4
.
Clutch and related item
...........
746
5
.
Transmission and related items
.......
147
6
.
P.T.O.
and related items
...........
147
7
.
Hydraulic system
...............
148
8
.
Steering and suspension system
.......
149
XIV . Regular inspections
...........
150
.......
XV . Tightening torque ratings
151
XVI
.
Maintenance equipment and tools
.
.
153