Disassembling The Gear Pump; Checking The Gear Pump; Checking The Valve Seal - SELVA MARINE Wahoo 15 Service Manual

Disassembling the gear pump

1. Remove the manual valve 1, manual
release pins 2, relief valve seals 3, and
balls 4.
1
3
2. Remove the gear housing bolts 5, and
then remove the gear pump housing 6,
plate 7, and filters 8.
3. Remove the shuttle pistons 9.
9
9
4. Remove the down-main valve 0, up-
main valve A, balls B, dowels C, drive
gear D, and driven gear E.
6AG3J11
7
3
2
4
S6AG7071
6
8
7
5
S6AG7150
Power tilt gear pump (power tilt model)
E
D
0

Checking the gear pump

1. Check the drive gear and driven gear.
Replace if damaged or excessively worn.
2. Check the gear pump housing. Replace if
scratched.

Checking the valve seal

1. Check the valve seals 1, and absorber
valve pins 2. Replace if damaged.
2
2
2. Check the main valves 3. Replace if
damaged.
3
3. Check the manual valve and spring.
Replace if damaged.
A
1
C
B
C
2
S6AG7170
7
3
4
7
1
5
1
6
S6AG7185
7
3
8
9
S6AG7180
7-38