9-42
PTT motor
0
1
2
3
4
5
6
7
8
9
10
A
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 specification.
3.
Check the armature continuity. Replace if
out of specification.
Checking the brush
1.
Measure the length of each brush.
Replace the brushes if below specifica-
tion.
2.
Check the brush and circuit breaker for
continuity. Replace if there is no
continuity.
NOTICE:
Do not touch the
bimetal
b
, otherwise the operation of
the circuit breaker can be affected.
Motor commutator standard diameter
a
:
22.0 mm (0.87 in)
Wear limit: 21.0 mm (0.83 in)
f
e
e
B
d
a
Digital circuit tester: 90890-03174
Armature continuity:
b
c
d
e
Motor brush standard length:
9.8 mm (0.39 in)
Wear limit
a
: 4.8 mm (0.19 in)
b
c
e
d
a
b
Summary of Contents for F150B
Page 1: ...SERVICE MANUAL 6BM 28197 5L 11 F150B FL150B ...
Page 4: ......
Page 211: ...6 34 Vapor separator 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 311: ...8 32 Shimming regular rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T1 T2 ...
Page 351: ...8 72 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T2 T4 T1 ...
Page 448: ...A 1 MEMO ...
Page 451: ......
Page 452: ...Printed in China Jul 2008 0 6 1 ABE E_4 YAMAHA MOTOR CO LTD ...
Page 458: ......