ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
MICRO-FILTRATION SYSTEM
REPAIR
MF Feed Tank T-1 Repair:
Parts:
Collapsible MF feed tank (TM 10-4610-309-24P)
Material:
Army TM 10-5430-237-12&P for collapsible product water distribution tank repair
Or Marine Corps TM 01034E-12&P/1 for collapsible product water distribution tank repair
Inspect the tank for leaks, surface damage, and damaged hose connectors. Repair surface damage and
minor leaks. Refer to Collapsible Fabric Tank Repair in WP 0066, General Maintenance.
MF Feed Pump P-3 Repair:
Parts (TM 10-4610-309-24P):
Seal Kit
Shaft Sleeve
Wear Ring
Materials:
Solvent (WP 0079, Table 1, item 19)
Glycerin (BII) (WP 0079, Table 1, item 21)
Clean, dry rags (WP 0079, Table 1, item 33)
Sealing compound (WP 0079, Table 1, item 35)
Equipment Condition:
MF Feed Pump Assembly P-3 removed from service.
Repair MF Feed Pump P-3 (including inspecting and replacing the pump seal, shaft sleeve, and wear
ring) as follows:
1. Remove the MF Feed Pump P-3 from the adapter as follows (see Figure 13).
WARNING
Two-person lift. Two people are required to move the pump. Lift with your legs,
not your back. Failure to observe this warning can result in back injury.
a. Open the pump drain and drain the pump casing. Then close the drain.
b. Remove the eight cap screws that hold the pump casing to the adapter and pull the
casing off.
c. Remove and discard the pump casing gasket.
d. Remove the impeller screw. It may be necessary to hold the impeller using a strap
wrench or a pipe wrench to keep the impeller from turning while loosening the screw with
a socket wrench.
e. Remove and discard the screw gasket.
f. Ease the impeller off the shaft. If required, carefully pry the impeller off of the shaft.
g. Remove the spring and the impeller key.
h. Pull the shaft sleeve with the seal off the shaft.
i. Lift the pump cover off the adapter. If required, carefully pry the cover off the adapter.
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