
12
PUMP REASSEMBLY SEQUENCE
Warning:
Hazardous Voltage
Disconnect all power to the pump before servicing or
working on it. Make sure that the power is locked out and
that pump cannot accidentally start.
NOTE: See Table IV for torque specifications.
Step 1. Install the four rubber stack
compression spacers in the pump head.
Step 2. Install the O-ring in the groove in
the pump base.
Step 3. Align the notch in the bearing with
the threaded hole in the base and press the
bearing into the base. Make sure it goes in
straight and does not deform.
Step 4A. Install the Allen screw that secures
the bottom bearing in the base. Tighten it to
6 ft.- lbs. torque.
Step 4B. If you removed the staybolts at
disassembly, grease the threads and reinstall
them now, tightening them to 75 ft.-lbs.
torque.
Step 5. Align the hole in the bottom plate
with the pin on the base and install the stack
on the base.
Step 6. Install the sleeve in the base.
Step 7. Lubricate the O-ring and install it in
the groove in the pump head.
Step 8. Install the pump head on the pump
and seat it with a rubber mallet. The vent
plug must be over the discharge port in the
pump base.
Step 9. Lubricate the threads and install the
staybolt nuts and washers on the pump head.
Cross-tighten them to 75 ft.-lbs. torque.