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
b. Carefully wipe the lower exposed cam shaft free of dirt, rust grease, etc. (see Figure 16).
c. Remove the HPP cam.
HPP CAM
Figure 16. HPP Cam Removal.
d. Inspect the thrust bearing. If the bearing pads are severely scored, grab opposing hex
head screws on the thrust bearing with pliers or similar tools. Lift and remove the thrust
bearing from the bearing plate, then discard the thrust bearing (see Figure 17).
THRUST BEARING
HEX HEAD SCREW
THRUST BEARING PAD
HPP BEARING PLATE
MOUNTING FLANGE
Figure 17. High Pressure Pump Thrust Bearing Removal.
e. Mark the position of the bearing plate to the mounting flange for reassembly and lift the
bearing plate off the flange. (If the bearing plate does not easily lift out, place a block of
wood into the bottom of the pump flange and tap with a rubber mallet to pop the bearing
plate off.)
0053 00-15
