ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0034 00
TROUBLESHOOTING PROCEDURES
UNIT TROUBLESHOOTING PROCEDURES TACTICAL WATER
PURIFICATION SYSTEM (TWPS)
Table 1. Raw Water System Troubleshooting - Continued.
ITEM
MALFUNCTION
POSSIBLE CAUSES
CORRECTIVE ACTION
6
Raw Water Pump P1 or P2
Worn shaft seal assembly.
Replace pump seal assembly (WP 0048).
leaks water along the shaft.
7
Raw Water Pump P1 or P2
Deteriorated inlet flapper assembly or
Replace inlet flapper assembly or outlet
leaks water at the inlet or
outlet flange gasket.
flange gasket (WP 0048).
outlet flange.
8
Cyclone separator has no
Cyclone is overloaded with too much
Operate cyclone with valve V-104 fully
flow through the drain or raw
sand.
open.
water flow through the
cyclone is restricted.
Cyclone is plugged with sand.
Close Raw Water Flow Valve V-107 and
fully open the Cyclone Blowdown Flow
Valve V-104 to blow sand out of the
cyclone. If this fails to clear the cylcone,
remove cyclone drain adaptor A-03. If this
doesn't work, poke into the cyclone drain
using a piece of wire to clear sand out of
the cyclone. If the cyclone is still plugged,
pump clean water, such as product water
from the distribution tanks, into the cyclone
discharge and out the cyclone inlet to the
ground.
Cyclone has an internal failure.
Remove the cyclone from service.
Continue operation. Replace the cyclone.
9
Insufficient raw water flow to
Partially clogged floating inlet strainer.
Clean the floating inlet strainer.
maintain MF Feed Tank level
even with flow control valve
P1/P2 pump is not running or air leakage
See corrective action for P1/P2 pump
fully open.
through hose coupling gaskets.
malfunction.
Clogged cyclone separator.
See corrective action for cyclone separator
malfunction.
Air leakage at Adaptor A01
Check gaskets and replace as needed. Be
sure the support strap takes the hose
weight and keeps the adaptor horizontal.
Suction lift is too high.
Reconfigure pump closer to water.
Elevation from pumps is greater than
Establish new site in accordance with
allowed.
Debris caught in pump suction, pump
Remove hoses and adpators. Check for
impeller, or Adaptor A-05 check valve V-
debris. Remove as needed.
107.
Worn pump impeller or wear plate.
Adjust the clearance between the impeller
and the wear plate. If no longer able to
adjust, replace the impeller and wear plate
0034 00-6
