61U5H11
7-40
9
8
7
6
5
4
3
2
1
PTT motor
c
C
9
Do not pull the PTT motor leads out from
the stator.
9
Do not touch the bimetal
a
, otherwise
the operation of the circuit breaker can
be affected.
Checking the PTT motor
1.
Check the commutator. Clean with 600 –
grit sandpaper and compressed air if
dirty.
2.
Measure the commutator diameter.
Replace the armature if below specifica-
tion limit.
3.
Measure the commutator undercut
b
.
Replace the armature if below specifica-
tion limit.
4.
Check the armature for continuity.
Replace if not shown as below chart.
6G480220
a
Commutator standard
diameter
a
:
22.0 mm (0.87 in)
Wear limit:
21.0 mm (0.83 in)
6F680180
b
Commutator standard
undercut
b
:
1.35 mm (0.053 in)
Wear limit: 0.85 mm (0.033 in)
6S370140
c
d
e
Armature continuity
Commutator segments
c
Continuity
Segment
c
–
No continuity
Armature core
d
Segment
c
–
No continuity
Armature shaft
e
61U5H11_07_1 06.2.13 1:24 PM Page 43
Содержание E115A
Страница 1: ...115B SERVICE MANUAL 61U 28197 5H 11 140B E115A E115A 115B 140B ...
Страница 4: ......
Страница 79: ...61U5H11 4 18 9 8 7 6 5 4 3 2 1 MEMO ...
Страница 136: ...POWR 5 55 61U5H11 Power unit MEMO ...
Страница 159: ...61U5H11 6 22 9 8 7 6 5 4 3 2 1 Shimming Shimming 6G46090E T3 M3 M4 M1 M2 T1 T2 F R P ...
Страница 255: ......
Страница 256: ...YAMAHA MOTOR CO LTD Printed in Japan Oct 2005 1 2 1 E_1 Printed on recycled paper E115A 115B 140B ...