ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0052 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
REVERSE OSMOSIS SYSTEM
IMPELLER
PUMP CASING GASKET
SCREW GASKET
SEAL
PUMP COVER
PUMP CASING
KEY
PIPE
SCREW
O-RING
SLEEVE
CAP SCREW
STREET ELBOW
SPRING
ADAPTER
PIPE
HOSE CLAMCLAMP
HOSE P
HOSE
DRAIN VALVE V-211
Figure 20. RO Feed Pump Removal.
4. Inspect the following parts for wear or damage:
a. Seal on the shaft sleeve (do not remove the seal parts if not replacing).
b. Stationary seat and stationary seat gasket in the pump cover (do not remove the
stationary seat and seat gasket from the pump cover if not replacing them).
c. Shaft sleeve.
d. Wear ring.
5. If the seal kit (seal, stationary seat, seat gasket, and spring) and shaft sleeve need to be
replaced, remove them as follows (see Figure 21):
NOTE
If the seal sticks tightly to the drive sleeve, it may be necessary to bathe it in oil to
loosen the adhesive, or you may have to cut the seal away with a knife.
a. Twist and slide the seal off the drive sleeve.
b. Pry the stationary seat and seat gasket out of the bore of the pump cover.
STATIONARY SEAT
SEAT GASKET
SEAL
SLEEVE
PUMP COVER
ADAPTER
Figure 21. Seal Kit Component Removal.
0052 00-27