Yamaha F30B 2018, Руководство по обслуживанию

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PTT motor
Removing the PTT motor
Before removing the reservoir cap, make
sure that the trim and tilt ram is fully ex-
tended. Otherwise, fluid could be expelled
forcefully from the PTT unit due to internal
pressure.
1. Drain:
• PTT fluid
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a. Fully extend the trim and tilt ram.
b. Remove the reservoir cap “1”, and then
drain the PTT fluid.
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Disassembling the PTT motor
1. Remove:
• Screw “1”
• Stator “2”
S ecure the end of the armature shaft using
a pair of pliers, and then remove the arma-
ture along with the motor base assembly.
Otherwise, the armature could separate
from the motor base assembly due to the
magnetic force of the stator “2” and dam-
age the brushes.
Checking the armature (PTT motor)
1. Check:
• Commutator
Dirty

Clean using 600-grit sandpaper
and compressed air.
2. Measure:
• Commutator diameter “a”
Below specification

Replace the arma-
ture.
1
Standard commutator diameter
17.60 mm (0.6929 in) (F30A,
F30BET, F30HA, F40A,
F40FET, F40HA)
Wear limit
16.60 mm (0.6535 in) (F30A,
F30BET, F30HA, F40A,
F40FET, F40HA)
2
1
1
a