Yamaha F150B, Service Manual

Page: 408 / 458

9-43
BRKT
Bracket unit
3. Check the motor base and bearing.
Replace the PTT motor assembly if the
motor base is cracked or damaged, or if
the bearing is pitted or if there is
rumbling.
Assembling the PTT motor
• Do not reuse the oil seal and O-rings,
always replace them with new ones.
• Do not allow grease or oil to contact the
commutator of the armature.
1. Install a new oil seal
a
into the motor
base
b
.
2. Install the brush springs
c
and brushes
d
,
e
.
3. Install a new O-ring
f
. NOTICE: Do not
touch the bimetal
a
, otherwise the
operation of the circuit breaker can be
affected.
4. Connect the PTT motor lead (B/W: Black/
White) and lead (B: Black), and then
tighten the screw
g
.
5. Push the brushes
d
and
e
into the
holders, and then install the armature
h
.
6. Install the stator
i
, and then tighten the
screws
j
. NOTICE: Hold the end of
the armature shaft with a pair of pliers,
and then install the armature together
with the motor base assembly,
otherwise the armature could separate
from the motor base assembly due to
the magnetic force of the stator
i
and
damage the brushes.
7. Install the rubber seals
b
and lead
holder
c
, and then tighten the screw
k
.
a
b
c c
d
e
f
a
g
B/W
B
d
h
e
c
b
b
k
j
j
i