Yamaha F400A 2022 - Removing the PTT Unit; Checking the PTT Motor Electric Current When the Relief Valve Operates

9-46
PTT unit
Removing the PTT unit
When removing or installing the PTT unit
with the power unit or upper case assembly
installed, make sure to suspend the out-
board motor.
1. Remove:
• PTT unit
a. Connect the battery jumper leads to
the PTT motor lead “a” to fully tilt the
swivel bracket up, and then support it
using the tilt support lever “1”.
b. Push in the pin “1” past the upper
mount shaft “2”, and then remove the
shaft.
c. Connect the battery jumper leads to
the PTT motor lead “a” to fully retract
the PTT rams.
d. Remove the holder, and then pull the
PTT motor lead inward to remove it
from the hole in the clamp bracket.
e. Remove the PTT unit.
When removing or installing the PTT unit,
do not hold the PTT unit using the tilt cylin-
der. Otherwise, the pipe could break, caus-
ing PTT fluid to leak.
Checking the PTT motor electric
current when the relief valve operates
1. Check:
•PTT fluid level
a. Place the PTT unit in an upright posi-
tion.
b. Connect the battery jumper leads to
the PTT motor lead “a” to fully extend
the PTT rams.
Ram PTT motor lead Battery
Extend
Blue (L) (+)
Green (G) (–)
G
a
1
L
1
2
Ram PTT motor lead Battery
Retract
Green (G) (+)
Blue (L) (–)
L
G
a
GL
a