Yanmar 3JH3E - 3-5 Disassembly

Chapter 9 Electrical System
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3,4JH3(B)(C)E
3-5 Disassembly
• 1) The
Magnetic
switch's 8 mm nut
2)
The 6
mm
Bolts (2)
•
3)
Magnetic
switch
4)
_The·4
mm
Screws
(2)
5)
The
5
mm
Through Bolts
(2)
• 6)
The
Rear
Covee
7)
Thrust
Washer
•
8}
The
Brush
Holder
9)
Yoke
10)
Armature
• 11)
Center
Bracket
(A)
12)
Gear
Case
.._
13)
Shift
Lever
14)
Dust
Cover
15}
Internal
Gear
.._ 16)
Planet
Gear
(3)
•
17)
The Pinion
Stopper
clip
18)
Pinion
Stopper
• 19)
Pinion
•
20)
E
Ring
21)
washer
(2)
22)
Center
Bracket
(p)
_.
23) Pinion Shatt
• :
Disassembly
reference
exhibit
is
provided
Magnetic
Switch
Oust
cover
(Adjusting
washer)
Adjust
clearance
".€
"
to washer
thickness (ie 0.5, 0.8
mm}
Resistance value (at
2o·q
Serres
Coil:
0.340
"M,B"
T ermina! Nut
(j)
7.35-9.81
N·m
J
2
Bolts
6
mm
(j)5.9-8.3
N•m
Shunt
Coil:
0.72Q
4--,,,_~
®00
t I
I
11
9 10
Armature
Commutator dia. : 29128
mm
Depth
ot
insulating
mold
(0.5-0.8/0.2
mm)
Shaft
bend:
less
than
0.1
mm
I
B
7
6
I
Brush
Holder
15
1
o&l
I
4
I
Screws
4
mm
®1.7-2.3
N·m
Brush
Length:
16/12
mm
Brush
spring
tension:
14.6-17.8 N
Clearance "
i "
between
Pinion's
front
edge and pinion stopper : 0.3-1.5
mm
q;
:
N·m
Printed in Japan
HINSH1-H80-09
Unit :
mm
(Standard
"New"
I
limit
"Used")
Fig. 4. Exhibit of dissembled parts
9-11