Hale 2CBP - Manual (Page 49)

Maintenance and Repair
Booster Pumps
Sec V- 13
Do not damage the pump shaft.
4. Remove the gasket material from the mating
surfaces of the pump head and gearbox.
5. Remove the oil seal and mechanical seal
seat from the pump head.
6. Inspect and clean all components according
to the Cleaning and Inspection Guidelines
above.
Reinstall CBP Pump Head
1. Use a press to install a new oil seal in the
pump head.
2. Apply general-purpose grease to the gasket
and align gasket on the pump head.
3. Install the pump head on the gearbox. Do
not damage the oil seal or pump shaft.
4. Apply Loctite™ 242 (or equal) and install the
6 cap screws to secure the pump head to
the gearbox. Tighten capscrews to 40 ft-lb
(54 Nm).
5. Install the mechanical seal as described
above.
6. Install impeller and pump body as previously
described.
CBP GEARBOX
Remove and
Disassemble CBP
Gearbox
1. Remove the
pump and gear-
box assembly
from apparatus as
described above.
2. Place the pump and gearbox on a work
stand.
3. Remove the pump body, impeller, and pump
head as described previously.
4. If the pump is equipped with a water mani-
fold, remove the 5/16-18 UNC cap screws
and remove the water manifold and gasket
from the gearbox.
If the pump is not equipped with a water
manifold, remove the 5/16 - 18 X 1/2"
capscrews, lockwashers, gearbox cover, and
gasket.
5. Remove the bearing cover from upper
portion of gearbox opposite pump.
6. Use a drift punch to begin pushing the pump
shaft assembly from the gearbox housing
towards the pump side. Be careful not to
lose the pump gear key in the gearbox.
7. Remove the 306W bearing, pump gear,
pump gear key, and 208M bearing from the
pump shaft or gearbox housing.
8. Remove the oil seal from the drive shaft then
remove the retaining ring.
9. Remove the 1/2 - 13 x 1/2" set screw from
gearbox housing.
Figure 5-8
Figure 5-9