Hale 2CBP - Manual (Page 53)

Maintenance and Repair
Booster Pumps
Sec V- 17
o
Apply a generous coating of PAC-EASE
Rubber Lubricant Emulsion (or equal) to the
outside of the stationary seat.
o
Slide the stationary seat over the pump
shaft and fit the stationary seat of the
mechanical seal into the pump head.
o
Push the stationary seat into the pump
head bore using a soft clean pusher tube.
The stationary seat must be seated in the
pump head.
o
Clean the pump shaft with alcohol
swabs.
o
Apply a generous coating of PAC-EASE
Rubber Lubricant Emulsion (or equal) to the
seal diaphragm. Without touching the
carbon seal ring, push the carbon seal ring,
diaphragm, and retainer onto the shaft with
the pusher tube.
o
Keep the shaft well lubricated and verify
the carbon seal ring seats against the
stationary seat. If binding occurs, apply
additional lubricant. Slide the spring and
cupwasher (supplied with the seal) onto the
shaft.
5. Insert the impeller key in pump shaft then
install rear impeller, center bearing, front
impeller and bearing washer.
6. Apply Loctite™ 640 to pump shaft threads.
Secure impellers in place using the impeller
nut. Torque the impeller nut to 125 ft lbs (169
Nm).
7. Apply a light coat of grease to the pump
head gasket and align the gasket on the
pump head.
8. Lift the lower pump body into place and
secure with screws through pump head. (DO
NOT TIGHTEN SCREWS).
9. Apply a light coating of grease to the pump
body gasket and align the gasket on the
Figure 5-12: 2CBP Pump