Yamaha F225F, Service Manual

Page: 521 / 576

9-42
PTT motor
0
1
2
3
4
5
6
7
8
9
10
A
2. Check the motor base assembly for
continuity. Replace if there is no
continuity.
Sb: Sky blue
Lg: Light green
3. Check the motor base assembly.
Replace the motor base assembly if the
base is cracked or damaged.
Assembling the PTT motor
• Do not reuse a bearing, oil seal, or O-
ring, always replace it with a new one.
• Do not apply grease or oil to the commu-
tator of the armature.
1. Install a new oil seal
a
.
2. Install the brushes
b
and springs
c
.
3. Install a new bearing
d
to the specified
depth.
4. Install a new bearing
e
to the specified
depth
b
.
Motor brush standard length
a
:
11.5 mm (0.45 in)
Wear limit
b
: 4.5 mm (0.18 in)
Motor base assembly continuity:
Terminal
c
–Terminal
e
Terminal
c
–Terminal
g
Terminal
e
–Terminal
g
Terminal
d
–Terminal
f
Terminal
d
–Terminal
h
Terminal
f
–Terminal
h
b
a
Sb
Lg
c
d
e
f
g
h
Depth
a
(reference data):
20.10 mm (0.79 in)
a
c
c
b
b c
b
b
c
c
b
d
a
d