ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
RAW WATER SYSTEM
P-1 Diesel Engine-Driven Pump Replacement:
Parts (TM 10-4610-309-24P):
P-1 Pump
Material:
Cloth, Abrasive (WP 0079, Table 1, item 15)
Corrosion Preventive Compound (WP 0079, Table 1, item 17)
Sealing Compound (WP 0079, Table 1, item 36)
Clean, dry rags (WP 0079, Table 1, item 33)
Equipment Condition:
P-1 Pump assembly removed from service and drained
Replace the P-1 pump as follows (see Figure 5):
WARNING
Burn hazard. Make sure the diesel engine and its parts are cool before performing
maintenance on the pump. Failure to observe this warning may result in serious
personal injury from touching hot surfaces.
1. Remove the fuel tank from the skid. Refer to REPLACE and P-1 Skid Frame.
2. Remove the pump and adapter from the diesel engine as follows:
a. Remove the six nuts that attach the pump housing to the adapter, then loosen and
remove the pump housing.
b. Remove and discard the coupling clamp assembly.
c. Carefully pry the impeller/drive sleeve assembly off the engine drive shaft and discard it.
d. Remove the four bolts, four lock washers, and four flat washers that attach the adapter to
the engine. Remove and discard the adapter.
COUPLER AND DUST CAP
COUPLING CLAMP
SET SCREW
ASSEMBLY
COUPLER AND DUST PLUG
DRIVE SHAFT
ADAPTER
IMPELLER/DRIVE
SLEEVE ASSEMBLY
PUMP HOUSING
BOLT, LOCK WASHER, AND FLAT WASHER
NUT (6)
ENGINE
Figure 5. P1 Pump Replacement.
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