9-64
9
2.
Measure the commutator diameter
a
.
Replace the armature assembly if below
specification.
3.
Measure the commutator undercut
b
.
Replace the armature if below specifica-
tion.
4.
Check the armature for continuity.
Replace the armature assembly if out of
specification.
5.
Check the bearing. Replace the armature
assembly if damaged.
Checking the brush
1.
Measure the length of each brush.
Replace if below specification.
Assembling the PTT motor
• Do not reuse an oil seal or O-rings,
always replace it with new one.
• Do not apply grease or oil to the com-
mutator of the armature.
1.
Install a new oil seal
1
.
PTT motor commutator standard diameter:
16.3 mm (0.64 in)
Wear limit: 14.9 mm (0.59 in)
Commutator standard undercut
b
:
1.3 mm (0.05 in)
Wear limit: 0.6 mm (0.02 in)
a
b
b
c
d
e
Armature continuity:
c
d
e
f
Motor brush standard length
a
:
7.5 mm (0.30 in)
Wear limit
b
: 5.1 mm (0.20 in)
Driver rod L3
2
: 90890-06652
Needle bearing attachment
3
:
90890-06617
b
a
1
2
3
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: ......