DISASSEMBLY (CONT) - TM-3-4230-209-30-P0118

2-102

TM 3-4230-209-30&P

2-22. CENTRIFUGAL PUMP (CONT).

LOCATION/lTEM

ACTION

REMARKS

Centrifugal Pump/

Use a drill to enlarge the existing unthreaded holes to 13/64 inch diame-

ter. Tap the two holes 1/4-20 UNC through the pump impeller at the

location shown.

Remove cotter pin (11), castellated plain nut (12), and flat washer (13).

Cotter pin (11)

Castellated plain nut (12)

Flat washer (13)

Using a fabricated wheel puller (fig D-3) (14), screw two 1-1/4 inch long

Always use a wheel puller (see figure D-3) to remove

Wheel puller (14)

screws (fig D-3) (15) into the two tapped holes in pump impeller (16).

the impeller from the pump shaft. Removal of the

Alternately tighten the screws in the holes until pump impeller (16) is

Screws (15)

pump impeller by the procedure described below will

released. Slide pump impeller (16) off the shaft (17). Unscrew and remove

Pump impeller (16)

prevent damage to the pump shaft seal assembly.

the two screws (15) and wheel puller (14).

Shaft (17)