Table of Contents
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How to use this manual
Manual format
The format of this manual has been designed to make service procedures clear and easy to under-
stand. Use the following information as a guide for effective and quality service.
• Parts are shown and detailed in an exploded diagram and are listed in the component list (see 1
in the following figure for an example page).
• The component list consists of part names and quantities, as well as bolt and screw dimensions
(see 2 in the following figure).
• Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant and
the lubrication points (see 3 in the following figure).
• Tightening torque specifications are provided in the exploded diagrams (see 4 in the following fig-
ure), and in the related detailed instructions. Some torque specifications are listed in stages as
torque figures or angles in degrees.
• Separate procedures and illustrations are used to explain the details of removal, checking, and
installation where necessary (see 5 in the following figure for an example page).
TIP:
For troubleshooting procedures, see Chapter 4, "Troubleshooting."
LOWR
Lower unit
Lower unit
1901
·
·
·
9 N
m (0.9 kgf
m, 6.6 ft
Ib)
M A
1
3
2
3
4
5
5
6
·
·
·
9 N
m (0.9 kgf
m, 6.6 ft
Ib)
·
·
·
37 N
m (3.7 kgf
m, 27.3 ft
Ib)
No.
Part name
1
A
d
u j
t s
n i
g
n
t u
2
L
o
k c
n
t u
3
D
o
w
l e
4
C
h
e
k c
c s
e r
w
5
G
a
k s
t e
6
D
a r
n i
c s
e r
w
7
W
a
s
h
r e
8
B
o
t l
9
A
n
o
d
e
1
0
S
p
e
c
l a i
w
a
s
h
r e
1
1
B
o
t l
1
2
B
o
t l
1
3
T
i r
m
a t
b
1
4
L
o
w
r e
u
n
t i
1
5
S
p
a
c
r e
1
6
P
o r
p
l l e
r e
1
7
C
l l o
r a
8-1
2
3
4
34 N
·
m (3.4 kgf
·
m, 25.1 ft
·
Ib)
16
20
19
18
518
17
14
15
D
LT
LT
572
13
9
7
10
LT
LT
8
11
12
572
Q'ty
Remarks
1
1
2
1
2
Not reusable
1
4
× 35 mm
4
M
1
0
1
1
Not reusable
× 35 mm
1
M
6
× 18 mm
1
M
6
1
1
1
1
1
5
Safety while working / How to use this manual
1
LOWR
Lower unit
G
2
1
TIP:
Do not reuse a shim if deformed or
scratched.
3. While holding the special service tool 3,
strike the tool to check that the taper
roller bearing outer race is installed prop-
erly.
1
3
3
2
Driver rod LL 3: 90890-06605
Bearing outer race attachment 4:
90890-06625
TIP:
If a high-pitched metallic sound is produced
when the special service tool is struck, the
taper roller bearing outer race 2 is installed
properly.
4. Install a new needle bearing 5 to the
specified depth a.
8-17
5
6
b
c
a
7
7
4
G
Driver rod SL 6: 90890-06602
Bearing depth plate 7: 90890-06603
Needle bearing attachment 8:
90890-06615
Depth a: 185.0–186.0 mm (7.28–7.32 in)
TIP:
• Face the identification mark b on the nee-
dle bearing toward the water pump side.
• Install the stopper c onto the driver rod 6
at the specified depth a.
5. Heat the installation area of the taper
roller bearing outer race in the lower
case using a gas torch, and then install
the sleeve 9, the original pinion shims
0, and a new taper roller bearing outer
race A. NOTICE: When heating the
lower case, heat the entire installation
area evenly. Otherwise, the paint on
the lower case could be burned.
0-4
0
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