Craftsman 390.262653 MAINTENANCE Continued, Pump Reassembly, Tap Out Seal INSTALLING NEW SEAL

MAINTENANCE (Continued)

4.Place pump body half face down on flat surface and tap 9. Hold motor shaft with 7/16" open end wrench on shaft

out stationary half of seal (see Figure 16).	flats	(Figure 14, Page			8) and	screw impeller		onto	shaft.	Be
	sure	you	do	not	touch	capacitor	terminals		with
	body	or	any	metal	object.	Tightening		impeller	will	au-
	tomatically locate seal in correct position.
	10. Remount diffuser on pump body haft with five screws.

PUMP REASSEMBLY

1. Clean O-Ring and O-Ring groove.

2. Put O-Ring in groove on face of flange; put pump halves together (see Figure 18).

Figure 16 - Tap Out Seal

INSTALLING NEW SEAL

1.Wet outer edge of Rubber Cup on ceramic seat with liq- uid soap. Be sparing!

2.Put clean cardboard washer on seal face. With thumb pressure, press ceramic seal half firmly and squarely into seal cavity in seal plate (see Figure 17). Polished face of ceramic seat is up. If seal v_fll not seat correctly, remove, placing seal face up on bench. Reclean cavity. Seal should now seat correctly.

Figure 18 - Assemble Pump

3. BE SURE inside of clamp is clean. Place clamp on pump

halves; snug up. Alternately tighten screw and tap clamp with mallet to seat O-Ring (see Figure 19).

Figure 17 - Press in New Seal

3.ffseal does not seat correctly after recleaning cavity, place

cardboard washer over polished seal face and carefully press into place using a piece of standard 3/4" pipe as a press.

NOTICE: Be sure you do not scratch seal face.

4.Dispose of cardboard washer and recheck seal face to be

sure it is free of dirt, foreign particles, scratches and grease.

5.Inspect shaft to be sure it is free of nicks and scratches.

6.Reassemble pump body half to motor flange. BE SURE it is right side up.

7.Apply liquid soap sparingly (one drop is sufficient) to in-

side diameter of rotating seal member.

8.Slide rotating seal member (carbon face first) onto shaft until rubber drive ring hits shaf_ shoulder.

NOTICE: Be sure not to nick or scratch carbon face of seal

when passing it over threaded shaft end or shaft shoulder. The carbon surface must remain clean or short seal life will

result.

Figure 19 - Tap Clamp While Tightening

4. Replace base mounting bolts.

5.Replace motor wiring; close draincock.

6.Prime pump according to instructions. See "Operation."

7.Check for leaks.

9