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 Skid Junction Box Replacement:
Parts (TM 10-4610-309-24P):
P-1 pump skid junction box
Equipment Condition:
P-1 pump assembly removed from service
Inspect the junction box for damage or corroded connectors. Replace the box if damage or corrosion is
severe enough to make it unsafe or non-functional as follows (see Figure 4):
1. Disconnect the yellow cable wire from the engine air heaters, and the blue and red wires from the
terminals of the starter solenoid.
2. Remove the two clamps and screws that secure the cable to the skid frame.
3. Remove four screws and washers that attach the junction box to the skid frame. Remove the
junction box and cable.
YELLOW WIRES
RED WIRES
HEATERS
BLUE WIRE
SCREWS AND WASHERS (4)
JUNCTION BOX
STARTER SOLENOID
SCREW (2)
CLAMP (2)
SKID FRAME
CABLE
Figure 4. P-1 Skid Junction Box Replacement.
4. Attach the new junction box and cable to the frame using the four screws and washers. Be sure
to orient the box so the toggle switch on the side faces toward the diesel engine.
5. Route the junction box cable along the skid frame and attach it to the frame using the two clamps
and screws.
6. Attach the yellow cable wire to the engine air heater and the blue and red wires to the terminals
on the starter solenoid.
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