Assessments - 2, GPA: 3.5
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n0 No load speed Rotational speed, at no load .../min Revolutions or reciprocation per minute Revolutions, strokes, surface speed, orbits etc. per minute 0 Off position Zero speed, zero torque... 1, 2, 3, ... Selector settings Speed, torque or position settings. I, II, III, Higher number means greater speed Infinitely variable selector with off Speed is increasing from 0 setting Arrow Action in the direction of arrow Alternating current Type or a characteristic of current Direct current Type or a characteristic of current Alternating or direct current Type or a characteristic of current Class II construction Designates Double Insulated Construction tools. Earthing terminal Grounding terminal Warning symbol Alerts user to warning messages Ni-Cad RBRC seal Designates Ni-Cad battery recycling program 0 This symbol designates This symbol designates that this tool is listed to that this tool is listed by Canadian Standards by Underwriters Laboratories. Underwriters Laboratories. This symbol designates that This symbol designates this tool is listed by that this tool is listed by Underwriters Laboratories, the Canadian Standards and listed to Canadian Association. Standards by Underwriters Laboratories. This symbol designates that this tool complies to NOM Mexican Standards. -5 Functional Description and Specifications Disconnect the plug from the power source before making any assembly, adjustments or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally. ! WARNING Random Orbit Sander NOTE: For tool specifications refer to the nameplate on your tool. MAXIMUM CAPACITIES Pad diameter 5" (125 mm) Abrasive diameter 5" (125 mm) ROCKER “ON/OFF” SWITCH BACKING PAD ABRASIVE DISC VENTILATION OPENINGS MICROFILTER DUST CANISTER VARIABLE SPEED DIAL (Model ROS20VS only) MICROFILTER DUST CANISTER LID RUBBERIZED GRIP CORD FIG. 1 -6- RUBBERIZED GRIP BM 2609140467 08-07 8/28/07 8:54 AM Page 6 -7- Assembly BACKING PAD INSTALLATION The random orbit sander is equipped with a backing pad of soft hardness, which is suitable for general service. Hard and extra-soft pads are available for other purposes, and in general are used as follows; Extra soft pad - Polishing or sanding large or curved surfaces. Soft pad - All purpose general sanding and polishing. Hard pad - Heavy sanding on flat surfaces, especially with coarser abrasives. To change backing pad, hold pad firmly and remove the four screws that secure the backing pad and remove old pad. Align new pad over locating pins on drive spindle, replace screws and securely tighten. Damaged or worn backing pads must be replaced immediately (Fig. 2). INSTALLING ACCESSORIES The random orbit sander uses hook-and-loop backed accessories, which firmly grip the pad when applied with moderate pressure. To change the accessory, merely peel off the old accessory, remove dust from the pad if necessary, and press the new accessory in place (Fig. 3). Be sure to align the sanding disc holes with the holes in the backing pad to allow the dust extraction system to function. After considerable service the pad surface will become worn, and the pad must be replaced when it no longer offers a firm grip. If you are experiencing premature wearout of the pad hooks, it may be due to pressure being applied to the tool during operation. PSA BACKING PAD ACCESSORIES The optional RS036 soft PSA backing pad can be used with PSA backed accessories with pressure sensitive adhesive. To change accessory, peel protective sheet from the back of accessory. Align accessory with backing pad and press firmly in place. To remove, lift an edge of accessory with your finger nail and peel it off the backing pad. NOTE: Do not store tool with sanding disc on pad, as sanding creates heat which increases the adhesive bond. If the disc is left in place it may become very difficult to remove. SANDING DISC ALIGNMENT POSTS The optional carrying case is equipped with alignment posts that will allow you to easily align the holes in the sanding disc, with the holes in the backing pad. Place the sanding disc onto the alignment posts with the Velcro facing up (Fig. 4). Align holes on backing pad with alignment posts and firmly tool push downward. BACKING PAD SCREW FIG. 2 LOCATING PINS FIG. 3 ABRASIVE DISC BACKING PAD FIG. 4 ABRASIVE DISC ALIGNMENT POSTS CARRYING CASE BM 2609140467 08-07 8/28/07 8:54 AM Page 7 BACKING PAD DAMPER Your tool is equipped with an integrated backing pad damper ring. This damper reduces the no-load speed, which helps prevent swirl marks on the workpiece surface and provides uniform finishing. NOTE: If you notice steadily increasing noload speed, this indicates that the damper ring is worn and needs to be replaced. To replace damper ring, remove backing pad as described in “Backing Pad Installation” and remove worn damper ring by pulling firmly out of locating groove. Loosen the two screws on shroud just enough so you can separate shroud approximately 1/4 inch. Align lo...
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