Yamaha F50A - Checking the Gear Pump; Assembling the Gear Pump

62Y3A11
7-66
1
2
3
4
5
6
7
8
I
Checking the gear pump
1. Check the drive gear
1
, driven gear
2
,
and shaft
3
for damage or excessive
wear. Replace if necessary.
Assembling the gear pump
1. Install the drive gear
1
, driven gear
2
,
shaft
3
, and pins
4
into the gear pump
housing
5
.
2. Install the balls
6
into the gear pump
housing
5
.
3. Install the down-main valve
7
and up-
main valve
8
.
4. Install the gear pump cover
9
.
5. Install the shuttle pistons
0
into the gear
pump cover
9
.
6. Install the balls
A
into the gear pump
cover
9
with the manual release spring
B
.
7. Install the gear pump bracket
C
by
installing the bolts
D
, then tightening
them to the specified torque.
8. Install the down-relief valve
E
, up-relief
valve
F
, and filter
G
.
9. Install the relief valve bracket
H
by
installing the bolts
I
, then tightening
them to the specified torque.
Gear pump bracket bolt
D
:
5.3 N·m (0.53 kgf·m, 3.8 ft·lb)
Relief valve bracket bolt
I
:
5.3 N·m (0.53 kgf·m, 3.8 ft·lb)
Gear pump