TM 10-4610-310-14
UNIT MAINTENANCE INSTRUCTIONS
LIGHTWEIGHT WATER PURIFIER
SERVICE PUMP COUPLING
REMOVAL/INSTALLATION
INITIAL SETUP
Tools
Tool kit, General Mechanic, Automotive
Equipment Condition Required
All equipment de-energized, hoses
removed, electrical cables removed
Materials/Parts
Tape, anti-seize, (item 28, WP 0136 00)
Rags, cotton, (item 21, WP 0136 00)
Cap, dust, 0.75, (PN 2771107-07V)
Adapter, quick disconnect, 0.75, (PN 2770607-07F)
Elbow, 90, 1-inch, (PN30315)
Bushing, hex, 1-inch, (PN 2502738000)
Coupler, quick disconnect, 0.75, (PN 2770207-07B)
Cap, dust, 1-inch, (PN 2771110-10V)
Cam, 1-inch, (PN 2770610-10F)
Coupler, quick disconnect, 1-inch, (PN 2770210-10B)
Plug, dust, quick disconnect, 1-inch, (PN 2771210-10W)
GENERAL
This work package contains the instructions for adapter and coupler replacement on the Model CHI 2-30
horizontal multistage end-suction service pumps (raw water, distribution, booster, and backwash) used in the
Lightweight Water Purifier (LWP). See WP 0037 00 for Preventive Maintenance Checks and Services (PMCS)
scheduled intervals for these items.
REMOVAL
Raw Water Pump
1. Remove male camlock (3) and dust cap (4) . See Figure 1.
2. Remove bushing (2) and elbow (1) from the pump.
Figure 1. Raw Water Service Pump.
3. Unthread female camlock (7) and dust plug (8).
4. Remove reducing female camlock (6) from adapter (5).
5. Remove 10-mesh screen (7) and dust plug (8) if necessary. Inspect the screen and replace if necessary.
