P-2 Pump Motor Replacement

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

c. Loosen but do not remove the coupling clamp assembly on the new pump.

d. Position the replacement pump, align the coupling clamp set screw, a drive sleeve slat,

and the engine drive shaft keyway and slide the drive sleeve onto the drive shaft.

NOTE

If the shaft does not easily slide into the drive sleeve, it may be necessary to

remove burrs from the shaft.

e. Attach the motor to the pump adapter using the four cap screws and four lock washers.

f. Torque the coupling clamp assembly nuts to 216 in.-lbs.

g. Tighten the coupling clamp set screw into the drive shaft keyway.

WARNING

Two person lift. Two people are required to safely move the pump/motor unit. Lift

with your legs, not your back. Failure to observe this warning may result in back

injury.

h. Position the pump/motor unit on the skid and bolt it in place using four bolts and washers.

i. Remove the plastic protective caps from the pump inlet and outlet openings.

j. Remove the temporary impeller spacer by pulling it out through the pump outlet opening.

Remove the coupler and dust cap from the outlet of the old pump and install them on the new

pump. Use sealing compound on the coupler threads (WP 0079, Table 1, item 36).

Remove the coupler and dust plug from the inlet of the old pump and install them on the new

pump. Use sealing compound on the coupler threads (WP 0079, Table 1, item 36).

Remove the drain valve from the old pump. Remove the drain plug from the new pump and

install the drain valve on the new pump. Use sealing compound on the valve threads (WP 0079,

Table 1, item 36).

Connect the motor cable to the proper receptacle on the junction box.

Place the pump back into service and inspect it for leaks.

P-2 Pump Motor Replacement:

Parts (TM 10-4610-309-24P):

P-2 Electric Motor

Kit, Seal Repair

Material:

Cloth, Abrasive (WP 0079, Table 1, item 15)

Corrosion Preventive Compound (WP 0079, Table 1, item 17)

Glycerin (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:

P-2 Pump assembly removed from service and drained.

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