Maintenance, Pump Reassembly | Craftsman 390.262653, 390.262454

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.

390.262454, 390.262653, 390.262553 specifications

The Craftsman 390.262653, 390.262454, and 390.262553 are part of the well-respected Craftsman line of power tools, designed to meet the demands of both professionals and DIY enthusiasts. These tools are engineered with a blend of durability, efficiency, and precision, making them ideal for a variety of projects.

One of the standout features of the Craftsman 390 series is the robust motor. Each tool is equipped with a high-performance motor that delivers ample power for handling tough tasks, whether it's drilling, cutting, or fastening. The motors are designed to minimize overheating and maximize efficiency, allowing users to work for extended periods without interruption.

Ergonomics is a key focus in the design of the 390 models, with handles that provide a comfortable grip. This is particularly beneficial during prolonged use, as it helps reduce fatigue and improve control. The lightweight construction also adds to the overall ease of use, making these tools accessible for users of all skill levels.

In terms of technology, the Craftsman 390 series incorporates advanced features such as variable speed settings. This allows users to adjust the speed according to the task at hand, ensuring precision and adaptability for different materials. Additionally, some models may include LED lighting to illuminate the workspace, enhancing visibility in dimly lit areas.

Durability is another hallmark of the Craftsman brand, and the 390 series is no exception. These tools are built with high-quality materials that can withstand rigorous use on job sites or in home projects. The warranty offered by Craftsman further demonstrates their confidence in the longevity of these products.

Safety is prioritized as well, with features designed to protect the user during operation. This includes mechanisms that prevent accidental starts and protect against electrical overloads.

Overall, the Craftsman 390.262653, 390.262454, and 390.262553 combine power, versatility, and user-friendly design, making them reliable choices for those looking to tackle a range of tasks efficiently. Whether you're a seasoned professional or just starting, these tools promise to deliver performance and reliability for all your crafting needs.