Disassembling The Gear Pump - SELVA MARINE Blue Whale 250 EFI Service Manual

Disassembling the gear pump

1. Remove the manual valve 1, then gear
pump 2 and filters.
2. Remove the relief valve seal 3 and ball
4.
b
NOTE:
Before removing the relief valves, measure
and note the screw height a and screw
depth b.
6P23H11
3. Remove the bracket 5, then the balls 6.
4. Remove the gear housing 2 7, then the
shuttle pistons 8.
5. Remove the drive gear 9 and driven
gear 0, balls A, and pins B.
a
S6AL7771
Gear pump
1
2
3
4
5
6
7
8
9
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