Tools Required
J 45000 Seal Remover
Notice: Do not position the pump assembly on the inlet face. Damage to the inlet
face may cause the pump assembly to become inoperative.
Notice: Do not remove the pressure relief valve assembly from the pump assembly.
The threads of the valve are coated with a locking sealant. Reinstalling a
valve that has been removed may cause the valve to leak or become loose.
- Position the
pump assembly on an arbor press so that the pump drive shaft end is face-down
and the pump assembly is resting on its outer diameter rim face.
- Center the arbor press over the pump end cover.
- Using the arbor press, apply a light load to the pump end cover
in order to relieve the load on the end cover retaining ring.
- Using a small punch, push the end cover retaining ring inward
through the access hole on the pump housing.
- While the retaining ring is held in, use a small screwdriver to
remove the retaining ring from the pump assembly.
- Remove the punch and release the arbor press load from the pump
end cover.
- Using both hands, grasp
the pump assembly and lightly tap the shaft end on a wooden block until
the pump end cover comes out of the pump housing.
- Remove the pump end cover, pressure plate and pressure plate spring
as a unit from the pump housing.
- Using a small screwdriver,
remove the pressure plate and spring from the pump end cover.
- Remove the O-ring seal from the pump end cover. Discard
the O-ring seal.
- Remove the drive shaft,
cam ring, thrust plate, and rotor as a unit from the pump housing.
- Remove the cam ring from
the rotor.
Notice: Do not reuse the drive shaft retaining ring after removing it. Reusing
the retaining ring may damage the fluid pump.
- Remove the drive shaft retaining ring. Discard the retaining
ring.
- Remove the rotor and thrust plate from the drive shaft.
- Remove the 2 cam
ring dowel pins from the pump housing.
- Remove the inner O-ring
seal from the pump housing. Discard the O-ring seal.
Notice: Use care when removing the seal in order to prevent damage to the pump
housing.
- Using the J 45000
, remove the pump drive shaft seal from the pump housing.
Discard the seal.
- Remove the outer O-ring
seal and the outer white square-cut seal from the pump housing. Discard
the seals.