ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0053 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
HIGH PRESSURE PUMPS
WARNING
An appropriate lifting device and two people are required to remove the high
pressure pump assembly from its mounting. Do not attempt to lift by hand. Make
sure that the pump assembly is properly supported before removing the bolts that
secure the assembly to its mounting base. Failure to observe this warning can
result in injury to personnel and damage to equipment.
h. Support the pump assembly using an appropriate lifting device.
i. Remove the four mounting bolts, four small washers, four large washers, and four self-
locking nuts that secure the pump motor to its mounting pad.
j. Using the lifting device, remove the high pressure pump assembly from its mounting and
move to a clean work area.
4. Install the high pressure pump assembly in the TWPS as follows (see Figure 1):
WARNING
An appropriate lifting device and two people are required to install the high
pressure pump assembly onto its mounting. Do not attempt to lift by hand.
Failure to observe this warning can result in injury to personnel and damage to
equipment.
a. Using an appropriate lifting device, move the high-pressure pump assembly onto its
mounting pad.
b. Secure the motor to its mounting pad using the four mounting bolts, four small washers,
four large washers, and four self-locking nuts removed earlier.
c. Insert the power cable wires and box connector through the hole in the terminal box and
secure the connector to the box using the lock nut.
d. Connect the electrical wiring to the motor.
e. Inspect the motor terminal box cover gasket and replace if necessary.
f. Secure the terminal box cover gasket and cover to the box using the four cap screws and
washers removed earlier.
g. Connect the pump case drain hose to the pump.
h. Connect the pump flange drain hose to the pump mounting flange.
i. Connect the lubricant return hose to the pump.
j. Connect the inlet and outlet hoses to the proper ports of the pump using the grooved
5. Perform the Start-Up After a Short Term or Standby Shutdown Without Draining procedures
described in WP 0015.
6. Check for leaks and proper high pressure pump operation.
0053 00-3
