Porter-Cable 33-891 manuale d’uso

INSTRUCTION MANUAL 12" Radial Arm Saw (Model 33-890, 33-895X, 33-891, 33-892) P ART NO. 424-02-651-0025 - 03-18-05 Copyright © 2005 Delta Machinery T o learn more about DEL T A MACHINER Y visit our website at: www .deltamachinery .com. For Parts, Service, W arranty or other Assistance, please call 1-800-223-7278 ( In Canada call 1-800-463-358[...]

2 T ABLE OF CONTENTS Read and understand all warnings and operating instructions before using any tool or equipment. When using tools or equipment, basic safety precautions should always be followed to r educe the risk of personal injury . Improper operation, maintenance or modification of tools or equipment could r esult in serious injury and prop[...]

3 Indicates an imminently hazardous situation which, if not avoided, will r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, could r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, may r esult in minor or moderate injury . Used without the saf[...]

4 GENERAL SAFETY RULES READ AND UNDERST AND ALL W ARNINGS AND OPERA TING INSTRUCTIONS BEFORE USING THIS EQUIPMENT . Failure to follow all instructions listed below , may result in electric shock, fire, and/or serious personal injury or pr operty damage. IMPORT ANT SAFETY INSTRUCTIONS 1. FOR YOUR OWN SAFETY , READ THE INSTRUCTION MANUAL BEFORE OPERA[...]

5 1 . DO NOT OPERA TE THIS MACHINE UNTIL it is assembled and installed according to the instructions. 2. OBT AIN ADVICE from your supervisor, instructor , or another qualified person if you are not familiar with the operation of this machine. 3. FOLLOW ALL WIRING CODES and recommended electrical connections. 4. USE THE GUARDS WHENEVER POSSIBLE. Che[...]

6 6 Fig. A GROUNDED OUTLET BOX CURRENT CARR YING PRONGS GROUNDING BLADE IS LONGEST OF THE 3 BLADES A separate electrical circuit should be used for your machines. This cir cuit should not be less than #12 wire and should be protected with a 20 Amp time lag fuse. If an extension cor d is used, use only 3-wire extension cor ds which have 3- prong gr [...]

7 EXTENSION CORDS Use proper extension cor ds. Make sure your extension cord is in good condition and is a 3-wir e extension cord which has a 3-pr ong grounding type plug and matching receptacle which will accept the machine’ s plug. When using an extension cor d, be sure to use one heavy enough to carry the current of the machine. An undersized [...]

8 FUNCTIONAL DESCRIPTION UNP ACKING AND CLEANING Carefully unpack the machine and all loose items fr om the shipping container(s). Remove the protective coating from all unpainted surfaces. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone, gasoline or lacquer thinner for this purpose). After cleaning, cover [...]

9 ASSEMBL Y ASSEMBL Y TOOLS REQUIRED ASSEMBL Y TIME ESTIMA TE - 2-3 hrs. * Blade wrenches (supplied) * 1 / 2 ” and 3 / 8 ” open end or socket wr enches (not included) * 5 / 16 ” hex wr ench (not included) * Flat screwdriver and hammer (not included) The following is an explanation of the operating controls of the Delta 12” Radial Saw . W e [...]

10 Fig. 4A ASSEMBLING LEGS TO BASE Mechanically lift the machine using a forklift and lifting straps to support the machine. The four steel legs should be attached to each corner of the base using sixteen 5/16-18 x 5/8" carriage head screws (A) Fig. 4A and Fig. 4B, 5/16" flat washers (B), 5/16" lockwashers (C) and 5/16" hex nuts[...]

11 Fig. 8 Fig. 9 Fig. 11 Fig. 10 5. Unscrew and remove blade guar d clamping rod and washer (G) Fig. 9, and remove blade guar d assembly (H). 6. Place cuttinghead clamp (J) Fig. 10, in slot on top of cuttinghead. NOTE: Jaws of cuttinghead clamp must be open as shown. 7. Lift cuttinghead assembly (B) Fig. 11, and insert roller bearings (K) into trac[...]

12 Fig. 15 Fig. 12 Fig. 13 Fig. 14 3. Fig. 15, illustrates the starter box assembled to the base. ASSEMBLING ST ARTER BOX TO BASE (33-891 AND 33-892 MODELS) If you purchased your machine with magnetic starter , transformer and overload protection, assemble the starter box to the base, as follows: 1. Assemble bracket (A) to the bottom of the right s[...]

13 Fig. 16 Fig. 17 Fig. 18 ADJUSTING T ABLE BRACKETS P ARALLEL TO TRACK ARM T o perform accurate work, the track arm must be parallel to the table top brackets at both the front and r ear of the machine. T o check if the alignment is correct, proceed as follows: 1. Loosen yoke clamp locking lever (A) Fig. 16, pull up yoke clamp index knob (B) and r[...]

14 Fig. 19 Fig. 21 Fig. 20 Fig. 22 4. Loosen cuttinghead clamp knob (J) Fig. 20 and move cuttinghead (C) to the front of track arm (K). Loosen track arm locking lever (L), pull out on track arm index knob (M) and rotate track arm (K) until wr ench (F) is over left table bracket (N). Make certain wrench (F) is in the vertical position and tighten kn[...]

15 Fig. 26 Fig. 23 Fig. 24 Fig. 25 7. If an adjustment is necessary , remove scr ew (R) Fig. 23, loosen locknut (S) and turn leveling screw (T) to raise or lower table mounting bracket (N). When adjust- ment is complete, tighten locknut (S) and replace scr ew (R). 8. Check and adjust the other table mounting bracket in the same manner . IMPORT ANT [...]

16 ASSEMBLING T ABLE BOARDS 1. Place main table board (A) Fig. 27, on the table mounting brackets making sure that the two r oll pins in the table mounting brackets fit into the two holes in bottom of main table board (A). Fasten table in place, place a 1/4" flat washer onto a 1/4-20 x 1-3/4" round head screw and insert the scr ews throug[...]

17 Fig. 31 Fig. 32 5. Remove screw , flat washer and spacer (G) Fig. 31, that fasten the front inside leaf guar d (H) to front end of blade guard (J). Assemble blade guar d (J) to motor assembly with locking rod and washer (K). 6. Reassemble leaf guard (H) Fig. 31, to blade guard (J) using screw , flat washer and spacer (G). 7. Fig. 32, illustrates[...]

Fig. 36 Fig. 37 Fig. 38 ADJUSTING OVERARM COLUMN If side motion develops in the overarm, after extended use, it can be corrected as follows: 1. DISCONNECT MACHINE FROM POWER SOURCE. 2. Loosen hex nuts (A) Fig. 36, and gib adjusting screws (B) and (C). 3. Adjustment to the column base is made by loosening hex nuts (D) Fig. 36, tightening or loosenin[...]

19 Fig. 39 Fig. 40 Fig. 41 ADJUSTING CUTTINGHEAD BALL BEARINGS AGAINST TRACK RODS The carriage is mounted on four pre-loaded, pr e- lubricated, shielded ball bearings: two on fixed shafts (on saw blade side of track arm); the other two on adjustable eccentric shafts. The ball bearings must ride smoothly and evenly against the track rods to do accur[...]

20 Fig. 45 Fig. 44 Fig. 43 Fig. 42 ADJUSTING BLADE SQUARE WITH T ABLE TOP The saw blade must be square with the table top in order to pr oduce accurate work. T o check if the blade is square with the table: 1. DISCONNECT MACHINE FROM POWER SOURCE. 2. Remove the blade guard and place the cuttinghead in a cross-cut position as shown in Fig. 42. 3. Pl[...]

21 Fig. 46 Fig. 47 Fig. 49 Fig. 48 7. When the adjustment is made, tur n the bevel clamp handle (F) Fig. 46, counterclockwise to lock the motor in position. NOTE: If the bevel clamp handle (F) does not completely lock the motor , the clamp handle can be re- positioned by pulling out the handle and repositioning it on the serrated nut located under [...]

22 Fig. 50 Fig. 51 Fig. 52 Fig. 53 ADJUSTING SAW TRA VEL SQUARE WITH FENCE The 12” Radial Arm Saw is equipped with 90° and 45° positive miter stops. This feature makes it possible to produce accurate miter cuts and squar e cross-cuts at all times. T o do accurate work, the saw blade travel must be 90° to the fence. If saw blade travel is not 9[...]

23 Fig. 54 Fig. 55 Fig. 56 REMOVING “HEELING” IN SAW CUT Even though the cuttinghead travel may be perfectly aligned at 90° to the fence, the blade itself may not be 90° or square with the fence, as shown in Fig. 54. This condition is known as “heeling.” T o check and adjust, proceed as follows: 1. DISCONNECT MACHINE FROM POWER SOURCE. 2.[...]

24 ADJUSTING BLADE GUARD AND ANTI-KICKBACK ROD On all ripping and plowing operations, the infeed side of the blade guard is lower ed so that it just clears the material. This will prevent the material fr om being lifted off the table. Also, lower the kickback r od (A) Fig. 57, so that the kickback fingers (B) are below surface of material. Rod (A) [...]

25 CROSS-CUTTING The first operation which should be learned on the radial saw is cross-cutting. Cr oss-cutting consists of supporting the workpiece against the fence and pulling the saw blade through the material at right angles to it. When cross-cutting, the track arm (A) should be indexed at “0” and the track arm clamp handle (B) Fig. 62, ti[...]

26 Fig. 63 Fig. 64 Fig. 65 B A B C A COMPOUND MITER CUTTING Compound miter cutting is performed in the same manner as miter cutting except the saw blade is also tilted to cut a bevel. The settings and operation are similar to miter cutting except that the blade is first tilted to the desired angl e on the bevel scale befor e it is clamped in place.[...]

27 PUSH STICK MAKE FROM 1/2" OR 3/4" WOOD OR THICKNESS LESS THAN WIDTH OF MA T’L. TO BE CUT CUT OFF HERE TO PUSH 1/4" WOOD CUT OFF HERE TO PUSH 1/2" WOOD NOTCH TO HELP PREVENT HAND FROM SLIPPING 1/2" SQUARES When ripping work less than 4 inches wide, a push stick should be used to complete the feed and could easily be mad[...]

28 TROUBLESHOOTING GUIDE For assistance with your tool, visit our website at www .deltamachinery .com for a list of service centers or call the DEL T A Machniery help line at 1-800-223-7278 (In Canada call 1-800-463-3582). MAINTENANCE KEEP MACHINE CLEAN Periodically blow out all air passages with dry compressed air . All plastic parts should be cle[...]

29 P AR TS, SERVICE OR W ARRANTY ASSIST ANCE All Delta Machines and accessories are manufactur ed to high quality standards and ar e serviced by a network of Porter -Cable • Delta Factory Service Centers and Delta Authorized Service Stations. T o obtain additional information regar ding your Delta quality product or to obtain parts, service, warr[...]

30 NOTES[...]

31 NOTES[...]

The following are trademarks of POR TER-CABLE • DEL T A (Las siguientes son marcas registradas de POR TER-CABLE • DEL T A S.A.) (Les marques suivantes sont des marques de fabriquant de la POR TER-CABLE • DEL T A): Auto-Set ® , BAMMER ® , B.O.S.S. ® , Builder’ s Saw ® , Contractor’ s Saw ® , Contractor’ s Saw II™, Delta ® , DEL T[...]