
• Position manifold and tighten Manifold
nut 1/2 to 3/4 turns beyond hand tight.
• Retorque head screws again after
running for 10 minutes.
CPS6R
3.
Remove the shroud and fan.
4.
Use a wheel puller to remove the
dead-end plate and bearing from the
pump body; note the direction of the
bevel edge on the vane. Do not
damage the dowel pins between the
end plate and the body. Save the
bearing spacer on the dead-end of
the shaft for reassembly. Remove
the snap ring from the end plate.
Save the snap ring, belleville
springs, and washer for reassembly.
5.
Remove the bearing from the dead-
end plate.
6.
Check the exposed surfaces of the
rotor, body, and end plate for scoring.
If you find no scoring, you can perform a
Minor Rebuild to replace only the vanes
and the deadend bearing.
If you find severe damage, perform the
Major Rebuild.
Minor Rebuild
7.
Install the new vanes supplied with
the kit. Be careful to face the vane
bevels in the proper direction (as
noted in step 4).
8.
Place end plate over the shaft with
dowel pins aligned. Place bearing
spacer on dead end of shaft. Place
the new bearing in its bore in the
dead end plate. Be careful to press
only on the inner bearing race.
9.
Install and tighten the pump body
bolts. Install the belleville springs
with the washer between them, and
the snap ring.
Major Rebuild
7.
Remove the drive end cap, Use a
wheel puller to remove the drive-end
plate and bearing from the body. Do
not remove or damage the dowel
pins in the body. Save the deflector
and endplate gasket for reassembly.
8.
Place one of the new bearings in its
seat in the drive-end plate, then
place one of the shoulder rings on
the drive-end of the shaft. Using an
arbor press, press the bearing onto
the shaft. Be careful to press only on
the inner bearing race. Tighten the
pump body bolts.
9.
Install the new vanes supplied with
the kit. Be careful to face the vane
bevels in the proper direction (as
noted in step 4).
10. Perform step #8 from Minor Rebuild.
11. Install the belleville springs with the
washer between them, and the snap
ring. Install and tighten the pump
body bolts.
12. Apply a thread-lock adhesive and
start the drive-end cap into its thread
in the drive-end plate, but do not
tighten it.
13. Place a dial indicator against the
dead-end of the shaft to measure axial
movement. Tighten the drive-end cap
until the indicator shows .002”.
14. Clean and reinstall filters.