SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 6 / 377

GEN
INFO
General information
1-1
6P23H11
How to use this manual
1
Manual format
The format of this manual has been designed to make service procedures clear and easy to under-
stand. Use the information below 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 figure below for an example page).
• The component list consists of part names and quantities, as well as bolt and screw dimensions
(see
2
in the figure below).
• Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant and
lubrication point (see
3
in the figure below).
• Tightening torque specifications are provided in the exploded diagrams (see
4
in the figure below
for an example), 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 figure below for an example page).
NOTE:
For troubleshooting procedures, see Chapter 9,
“ Troubleshooting. ”
LOWR
Lower unit
6-5
62Y5A11
Lower unit
No. Part name Q’ty Remarks
1 Lower unit 1
2 Plastic tie 1
Not reusable
3 Hose 1
4 Check screw 1
5 Gasket 2
Not reusable
6 Dowel pin 2
7 Bolt 4 M10 40 mm
8 Drain screw 1
9 Grommet 1
10 Bolt 1 M10 45 mm
11 Bolt 1 M8 60 mm
12 Thrust washer 1
13 Propeller 1
14 Washer 1
15 Washer 1
16 Cotter pin 1
Not reusable
17 Propeller nut 1
18 Trim tab 1
LOWR
Lower unit
6-19
62Y5A11
Removing the drive shaft
1. Remove the drive shaft assembly and
pinion, and then pull out the forward
gear.
Disassembling the drive shaft
1. Install the pinion nut 1 , tighten it finger
tight, and then remove the drive shaft
bearing
2 using a press.
CAUTION:
• Do not press the drive shaft threads a
directly.
• Do not reuse the bearing, always
replace it with a new one.
Disassembling the forward gear
1. Remove the taper roller bearing from the
forward gear using a press.
CAUTION:
Do not reuse the bearing, always replace
it with a new one.
2. Remove the needle bearing from the for-
ward gear.
CAUTION:
Do not reuse the bearing, always replace
it with a new one.
Bearing inner race attachment
3
:
90890-06639
Bearing separator 1 : 90890-06534
Stopper guide plate
2
: 90890-06501
Stopper guide stand
3
:
90890-06538
Bearing puller
4
: 90890-06535
Bearing puller claw 1
5
:
90890-06536
S62Y6740K
Drive shaft holder 4
1
: 90890-06518
Pinion nut holder
2
:
New: 90890-06715
Current: 90890-06505
S68S6360J
1
2
5
2
3
4
1