Assessments - 3, GPA: 3.3
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(Fig. 6) Special PSA Abrasives are available in rolls that can be cut-to-fit this pad. Fig. 4 Fig. 5 Fig. 6 SELECTING A PROFILE Individual Profiles are available in three basic styles. Several sizes are available in each style (see a Porter-Cable Catalog for a complete listing). The three basic styles are: Convex Profiles Used to sand concave surfaces. Available in several sizes to match common configurations. Concave Profiles Used to sand convex surfaces. Available in several sizes to match common configurations. Angled Profiles Used to sand the bottom and sides of slots or grooves. Available in several angles to match common configurations. 11 SELECTING THE ABRASIVE The best finishes can be achieved by selecting the proper type of abrasive. coarser grit abrasives will remove the most material while finer grit abrasives will produce the best finishes. Achieve best results by selecting the proper size and type of abrasives. Start the work with an abrasive grit just coarse enough to remove high spots and excessive roughness. Follow with a second sanding using a grit one or two grades finer. Continue using successively finer grits until the desired finish is obtained. ATTACHING PAD OR PROFILE MOUNTING PLATE All of the accessory pads and profile mounting plates are attached to the tool in the same way. Each pad or mounting plate has two posts (A) Fig. 7 used to attach it to the Profile Sander. One pad post fits into a pocket (B) Fig. 7 in the tool, and the other post is locked into place by a tab (C) Fig. 7. The mounting post area (of all the pads and mounting plates) is symmetrical. The pad (or mounting plate) can be attached to the Profile Sander with either end forward, which allows the use of both pointed ends of each sheet of pad abrasive, and permits the profile holders to be mounted in the best position for each particular application. To attach a pad or mounting plate to the Profile Sander: A A C B Fig. 7 1. DISCONNECT TOOL FROM POWER SOURCE. 2. Position one of the pad (or mounting plate) posts (A) Fig. 7 into the pocket (B) Fig. 7 of the Profile Sander (Fig. 8). 3. Depress latch button (D) Fig. 9, seat pad to sander, and release latch button to secure the pad in place (Fig. 10). 4. To remove pad (or mounting plate), depress latch button (D) Fig. 9, and pull pad away from sander. D Fig. 8 Fig. 9 Fig. 10 12 ATTACHING PROFILE TO MOUNTING PLATE Individual profiles may be mounted to either the Single Profile Mounting Plate, or the Angled Profile Mounting Plate (Figs. 11 and 12). The individual profiles are pressed into the slot on the mounting plate by hand, and can be removed from the mounting plate by pulling outward on one end of the profile. Fig. 11 Fig. 12 ATTACHING ABRASIVES Three different types of abrasives that can be used with the Profile Sander are: HOOK & LOOP SHEETS: These are precut sheets with hook & loop backing and dust extraction holes. This abrasive is used with the diamond shaped Hook & Loop Pad. Align the abrasive with the sander pad and press into place with the palm of your hand. Use a light twisting motion to lock the hooks into the loops. To remove abrasive, lift one corner with your fingernail and peel it off. These abrasives may be removed and reattached several times. PSA SHEETS: These are precut sheets with pressure sensitive adhesive. Precut diamond shaped sheets are available to fit the optional diamond shaped PSA Pad. Precut rectangular sheets are available to fit all of the individual profiles. Peel the protective sheet from the back of the abrasive. Align the abrasive with the sander pad and press firmly into place. To remove abrasive, lift one corner with your fingernail and peel it off. Discard the used abrasive. PSA ROLLS: These are 21/2" wide rolls with pressure sensitive adhesive. This abrasive is used with the individual profiles and with the extended “shutter” pad. Unroll a strip of abrasive to fit the particular profile (or pad), and cut to length with scissors. NOTE: For best results, the abrasive should cover all of the exposed profile below the profile holder. Firmly press the abrasive in place on the profile (or pad). To remove abrasive, lift one corner with your fingernail and peel it off. Discard the used abrasive. NOTE: PSA Pads and Profiles must be clean for the abrasives to adhere properly. Clean the pads and profiles with soap and water. PSA Adhesives work best at temperatures above 25° F. If PSA abrasives, pads, or profiles are stored at lower temperatures, warm them before use. Store PSA Pads in a dust-free environment to prevent contamination of the adhesive. 13 ATTACHING OPTIONAL DUST WAND NOTE: A wide variety of accessories, including a dust wand, is available for this tool. Please refer to your Porter-Cable Catalog to determine if the dust wand is supplied as standard equipment with your particular tool package. The dust wand is available as an accessory, and may be used with any Porter-Cable Model 444 Profile Sander. The dust wand requires an exter...
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