Checking The Gear Pump; Checking The Gear Pump Housing; Checking The Valve Seal; Assemble The Gear Pump Housing - SELVA MARINE Kingfish 25 Service Manual

Checking the gear pump

1. Check the operation of the gear pump
shafts. Replace the gear pump assembly
if the shafts do not turn smoothly.

Checking the gear pump housing

1. Check the gear pump housing. Replace if
corroded or cracked.

Checking the valve seal

1. Check the valve seal and absorber valve
pins. Replace if damaged.
2. Check the main valves and shuttle pis-
3. Check the valve support pin, relief valve,
K
J
I
4. Check the manual valve and spring.
H
G
Checking the lter
1. Check the lters. Clean if there is dirt or

Assemble the gear pump housing

Lubricate the parts with ATF Dexron
assembly.
• Do not use a rag when assembling the
PTT unit because dust and particles
inside the PTT unit can lead to poor per-
formance.
• Do not reuse an O-ring, always replace it
with a new one.
1. Install new O-rings 1 and 2 to the relief
2. Install a new O-ring 4 to the valve sup-
3. Install a new O-ring
ton. Replace if damaged.
valve seal, and spring. Replace if dam-
aged.
Replace if damaged.
residue.
valve 3 .
port pin 5 , and then install the valve sup-
port pin 5 into the relief valve 3
6 to the valve lock
screw 7
II during
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