6-6
6
Checking the fuel pump
1.
Connect the special service tool
1
to the
fuel pump inlet
a
.
2.
Block the fuel pump outlets
b
using rub-
ber plugs
2
, and then apply the speci-
fied positive pressure. Check that there is
no air leakage.
3.
Apply the specified negative pressure
and check that there is no air leakage.
4.
Connect the special service tool
1
to a
fuel pump outlet
b
and block the other
fuel pump outlet with rubber plug
2
.
5.
Apply the specified positive pressure and
check that there is no air leakage.
Disassembling the fuel pump
1.
Remove the cover
1
, diaphragm
2
, and
fuel pump body 2
3
.
2.
Align the slot
a
in fuel pump body 1
4
with the hole
b
in the plunger
5
by turn-
ing fuel pump body 1
4
.
3.
Remove the pin
6
by pushing the
plunger and diaphragm.
Vacuum/pressure pump gauge set
1
:
90890-06756
Specified positive pressure:
50.0 kPa (0.50 kgf/cm
2
, 7.3 psi)
Specified negative pressure:
30.0 kPa (0.30 kgf/cm
2
, 4.4 psi)
OUT
OUT
I N
50
0
a
b
1
2
OUT
OUT
I N
1
0
-
100
-
30
Specified positive pressure:
50.0 kPa (0.50 kgf/cm
2
, 7.3 psi)
OUT
OUT
I N
1
b
2
50
0
1
2
3
4
5
a
b
Содержание Kingfish 25
Страница 1: ...YAMAHA MOTOR CO LTD F4A F4 Goldfish 4 Kingfish 25 SERVICE MANUAL...
Страница 4: ......
Страница 20: ...0 15 GEN INFO General information MEMO...
Страница 45: ...1 25 SPEC Specification MEMO...
Страница 65: ...2 19 TECH FEA Technical features and description MEMO...
Страница 81: ...3 17 RIG GING Rigging information MEMO...
Страница 215: ...7 67 POWR Power unit MEMO...
Страница 229: ...LOWR Lower unit 8 11 0 A...
Страница 242: ...8 24 8 Shimming Shim location T1 T2 T3 T3 A3 B3 42 5 T1 T2 24 0 24 0 B2 A1 A2 B1 Drive shaft and lower case Shimming...
Страница 259: ...LOWR Lower unit 8 41 5 Install new O rings C and D Ball bearing attachment B 90890 06633 A G B C D...
Страница 392: ...A Appendix Wiring diagram A 1 How to use the wiring diagram A 1...
Страница 394: ......
Страница 395: ......