Checking The Gear Pump; Checking The Gear Pump Housing; Checking The Reservoir; Checking The Filter - SELVA MARINE Blue Whale 250 EFI Service Manual

BRKT

Checking the gear pump

1. Check the drive gear 1 and driven gear
2. Replace if damaged or excessive
worn.
2. Check the up-relief valve 3 and down-
relief valve 4. Clean if there is dirt or res-
idue.
3. Check the main valves 5, 6. Clean if
there is dirt or residue.
4. Check the absorber valves 7, 8. Clean
if there is dirt or residue.

Checking the gear pump housing

1. Check the gear pump housing. Replace if
scratched.

Checking the reservoir

1. Check the reservoir. Replace if cracked
or if there is corrosion.

Checking the filter

1. Check gear pump filters 1 and 2, and
shuttle piston filters 3. Clean if there is
dirt or residue.
7-35
Bracket unit

Assembling the gear pump

1. Install the drive gear 1 and driven gear
2, pins 3, balls 4, and shuttle pistons
5, 6 into the gear housing 1 7.
2. Install the gear housing 2 8.
3. Install the balls 9, manual release spring
0, and bracket A by installing the bolts
B, then tightening them to the specified
torque.
6P23H11