Porter-Cable 844 - Manuals

7 ADDITIONAL SPECIFIC SAFETY RULES continued SAVE THESE INSTRUCTIONS! g) Always use blades with correct size and shape (diamond versusround) of arbor holes. Blades that do not match the mounting hardware of the saw will run eccentrically, causing loss of control. h) Never use damaged or incorrect bl...

8 SAVE THESE INSTRUCTIONS! Lower Guard Safety Instructions p) Check lower guard for proper closing before each use. Do notoperate the saw if lower guard does not move freely and closeinstantly. Never clamp or tie the lower guard into the open position. If saw is accidentally dropped, lower guard may...

9 SYMBOL DEFINITION V ........................ volts A ........................ amperes Hz ........................ hertz W ........................ watts kW ........................ kilowatts F ........................ farads µ F ........................ microfarads l ........................ litre...

10 7. Do not use an extension cord unless absolutely necessary. Use of improper extension cord could result in a risk of fire and electric shock. If anextension cord must be used, make sure: A. That the pins on plug of extension cord are the same number, size andshape as those of plug on charger.B. ...

11 CHARGING THE BATTERY PACK Before using your cordless tool for the first time, fully charge the batterypack. If the battery pack is installed, remove it by following instructionsunder INSTALLING OR REMOVING BATTERY PACK. NORMAL CHARGING Make sure that the power circuit voltage is the same as that ...

12 BATTERY OPERATION DIAGNOSTICS T h e M o d e l 8 9 2 4 C h a r g e r i s e q u i p p e d w i t h a d i a g n o s t i c s y s t e m t h a tautomatically checks the battery pack each time a pack is inserted into thecharger. If no problems are found, the charger will automatically switch to“Fast Char...

13 FOREWORD The Porter-Cable Cordless Circular Saw is designed to cut 2" finishedlumber at 45°, using a 150mm (6") diameter, ultra thin-kerf blade having a1/2" diameter mounting hole. NOTE: This tool is shipped completely assembled. No assembly time or tools are required. STARTING AND ST...

14 3. W h i l e h o l d i n g t h e b l a d e l o c kengaged, use the blade wrenchto loosen the blade retaining boltby rotating clockwise. NOTE: The blade bolt has a left-handthread. 4. Remove the blade retaining bolt,r e l e a s e t h e b l a d e l o c k , a n dremove the outer blade flange. 5. Ret...

15 TO ADJUST DEPTH OF CUT Adjust the depth of cut so that the saw blade just protrudes through thethickness of workpiece being cut. To adjust the depth of cut: Remove the battery pack. 1. Lift up the depth adjusting lever (H) Fig. 9 at the rear of the saw. 2. Raise or lower the saw housing until the...

16 90° AND 45° BEVEL POSITIVESTOPS This saw is equipped with adjustablepositive stops for both 90° (N) Fig.12, and 45° bevel cuts (O) Fig. 12.Although these have been set at thefactory, check them occasionally toensure accuracy. T O A D J U S T 9 0 ° P O S I T I V ESTOP Remove the battery pack. 1. L...

17 Remove the battery pack. 1. Adjust the saw for a 90° cut. 2. Loosen the two screws (Q) Fig. 15. 3. Place a straight edge along the side of the blade, touching the set of theblade teeth at both the front and rear of blade (Fig. 16). 4. Align the left edge of the notch indicator with the straight e...

18 2. Insert the nozzle in the exhaustopening and push in until seated. 3. To remove, grasp the nozzle andpull out. Never direct sawdust toward anyone. To avoid personalinjury from flying sawdust, keep thee x h a u s t c o v e r c l o s e d w h e n t h enozzle is not attached. NEVER insertf o r e i ...

19 HOW TO USE THE SAW For your protection, effective control of this powerful saw requires two-handedoperation. The saw may be operated either right-handed (Fig. 21) or left-handed (Fig. 22). Support the work properly and hold the saw firmly to prevent loss of control which could cause personal inju...

20 For narrow rip cuts, the rip guide is available as an accessory. Guide thesaw by keeping the inner face of the rip guide (Fig. 20) tight against the edgeof the board. For making wider cuts, - plywood and wide sheets - clamp or tack astraight-edge guide or a wooden guide strip on the workpiece. Pl...

21 KEEP TOOL CLEAN Periodically blow out all air passages with dry compressed air. All plastic partsshould be cleaned with a soft damp cloth. NEVER use solvents to clean plasticparts. They could possibly dissolve or otherwise damage the material. Wear ANSI Z87.1 safety glasses while using compressed...

22 PORTER-CABLE LIMITED ONE YEAR WARRANTY Porter-Cable warrants its Professional Power Tools for a period of one year from the date of originalpurchase. We will repair or replace at our option, any part or parts of the product and accessoriescovered under this warranty which, after examination, prov...