Yamaha F225F, Service Manual

Page: 529 / 576

9-50
PTT gear pump
0
1
2
3
4
5
6
7
8
9
10
A
10. Install the ball
v
, valve support pin
u
,
and spring
w
, and then install the valve
lock screw
x
.
A
Down-relief valve
B
Up-relief valve
TIP:
• Install the valve lock screw
s
and valve
lock screw
x
to the depth
d
and height
e
that were measured before removing them.
• If installing new parts, install them accord-
ing to the preceding reference data.
11. Install the filter
y
to the seal
z
.
12. Install the filters
A
, the spacers
B
, new
O-rings
C
, and the gear pump assembly
D
.
13. Install the seal
z
and plate
E
, and then
tighten the gear pump bolts
F
to the
specified torque.
14. Install a new O-ring
G
, the manual valve
H
, and the circlip
I
, and then tighten the
manual valve
H
to the specified torque.
15. Install the PTT motor. See “Installing the
PTT motor” (9-43).
16. Check the hydraulic pressure. See
“Checking the hydraulic pressure” (9-33).
TIP:
If the hydraulic pressure is out of specifica-
tion, adjust the relief lock screws to adjust the
pressure.
Installation depth
d
(reference data):
1.07–1.27 mm (0.042–0.050 in)
Installation height
e
(reference data):
1.95–2.45 mm (0.077–0.096 in)
p
x
w
u
t
v
r
s
q
A B
x
s
d
e
Gear pump bolt
F
:
7 N·m (0.7 kgf·m, 5.2 ft·lb)
Manual valve
H
:
2 N·m (0.2 kgf·m, 1.5 ft·lb)
C
F F
F
E
y
z
D
B
C
B
A
G
H
I
A