Powermatic 72A, Instruction Manual & Parts List

Page 1: ...Instruction Manual Parts List M 0460207 800 274 6848 www powermatic com 14 TILTING ARBOR SAW Model 72A shown with optional mitre gauge ...

Page 2: ...RIES TO PERSONS OR PROPERTY OR FOR INCIDENTAL CONTINGENT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS SOME STATES DO NOTALLOW THE EXCLU SION OR LIMITATION OF INCIDENTALOR CONSEQUENTIALDAMAGES SO THEABOVE LIMITATION OR EXCLUSION MAY NOTAPPLY TO YOU To take advantage of this warranty the product or part must be returned for examination postage prepaid to an Authorized Repair...

Page 3: ...t 12 Belt Tensioning 12 Splitter Alignment 13 InsertAdjustment 13 Arbor Arbor Bearing Removal 13 Blade Raising Mechanism 13 Tilting Mechanism 14 General Maintenance 14 Operating Instructions 15 Rip Sawing 16 Resawing 18 Crosscutting 18 Bevel Mitre Operations 19 Dado Cutting 19 Safety Devices 20 Trouble shooting 22 Optional Accessories 23 Parts Lists Exploded Views Mitre GaugeAssembly 24 Table Exte...

Page 4: ...p foreign material and tools before starting to cut Make certain the work area is well lighted and that a proper exhaust system is used to minimize dust Powermatic recommends the use of anti skid floor strips on the floor area where the operator normally stands and that each machine s work area be marked off Provide adequate work space around the machine Operator position Maintain a balanced stanc...

Page 5: ...h Replacement parts Use only Powermatic or factory authorized replacement parts and accessories other wise the table saw warranty and guarantee is null and void Misuse Do not use this Powermatic table saw for other than its intended use If used for other purposes Powermatic disclaims any real or implied warranty and holds itself harmless for any injury or damage which may result from that use If y...

Page 6: ...6 SAFETY Familiarize yourself with the location of these safety decals on your table saw FIGURE 1 3408257 ...

Page 7: ...m depth of cut at 45 degrees 3 1 2 Maximum rip to right of blade 50 Maximum rip to left of blade 12 Maximum width of cutoff in front of saw in 1 stock 21 Maximum width of cutoff in front of saw in 5 1 8 stock with 14 blade 17 Maximum width of dado cut 13 16 Motor 7 1 2 HP 3 Ph 208 230V prewired 230 or 7 1 2 HP 3 Ph 460V or 5HP 1 Ph 230V Maximum Speed of 14 blade 12 600 SFM Overall dimensions 38 W ...

Page 8: ...1 2 9 16 3 4 wrenches 1 8 and 3 32 hex wrenches Flat head screwdriver Hammer wood block or rubber mallet Straight edge Combination square 1 Remove box and wood crating from around saw 2 With a 9 16 wrench remove the carriage bolt holding the extension wings together and set wings aside for later installation 3 With a 7 16 wrench remove the lag screws hold ing the saw to the wooden skid Carefully s...

Page 9: ...the wing becomes flush with the table tighten the screw under that area Continue until all screws are fully tightened 4 Repeat for the other wing INSTALLING BLADE NOTE The blade must be mounted first before rails can be adjusted To install or replace a blade pro ceed as follows CAUTION Use care when handling or working around sharp saw blade 1 Disconnect machine from power source 2 Remove table in...

Page 10: ... the shaft as shown in Figure 7 NOTE The groove will be in the proper position if the end of the shaft is made flush with the opposite side of the trunnion hole 3 The upright member of the rear splitter support B must be oriented toward the right of the shaft as observed from the rear of the saw See Figure 8 4 Mount the splitter assembly to the two adjusting screws See Figure 8 Place the two flang...

Page 11: ...th with a grease pencil and position the tooth slightly above the top edge of the table at the front 3 Raise the mitre gauge slightly out of its slot to serve as a shoulder Using a combination square against the side of the bar slide the scale over until it touches the tip of the blade and lock the scale in posi tion See Figure 11 4 Rotate the marked tooth so that it is slightly above the table to...

Page 12: ...body is set to stop at 90 degrees and 45 degrees left or right To move the gauge beyond these points the stop rod D must be pulled out 4 If accurate crosscutting work is to be done using the mitre gauge check its squareness to the slot with a machinists square as shown in Figure 15 Readjust the stop position as required BELT TENSIONING The saw is equipped with a set of three matched belts If they ...

Page 13: ... equal on both sides of the blade INSERT ADJUSTMENT Adjust the setscrews in the insert with a 1 8 hex wrench to ensure that the insert is stable and flush with or slightly below the table top See Figure 18 ARBOR AND ARBOR BEARING REMOVAL 1 To remove the saw arbor first remove the three mounting screws holding the table top to the base Carefully lift off the table top 2 Loosen the two set screws in...

Page 14: ...enance Keep the inside of the cabinet and trunnion area clean A stiff brush will remove sawdust before it cakes and pitch or gum is easily removed with a commercial sol vent or with a good oven cleaner To accomplish this remove the table by removing the three mounting screws and exposing the working mechanisms of the saw After cleaning the tilting and raising worm and worm gear segments and the tr...

Page 15: ...when ripping or not maintain ing alignment of the splitter with the saw blade Using a dull saw blade Not maintaining alignment of the rip fence so that it tends to angle toward rather than away from the saw blade front to back Applying feed force when ripping to the cutoff free section of the work piece instead of the section be tween the saw blade and fence Ripping wood that is twisted not flat o...

Page 16: ...ot hold or touch the free end or cutoff section of a workpiece On through sawing operations the cutoff section must NOT be confined 8 Always keep your hands out of the line of the saw blade and never reach back of the cutting blade with either hand to hold the workpiece 9 Bevel ripping cuts should always be made with the fence on the right side of the saw blade so that the blade tilts away from th...

Page 17: ...g use one hand to hold the board down against the fence or fixture and the other to push it into the blade between the blade and the fence If the workpiece is narrower than 6 or shorter than 12 use a push stick or push block to push it through between the fence and saw blade See Figure 26 Never push in a location such that the pushing hand is in line with the blade Move the hand serving as a hold ...

Page 18: ... 6 Be fore starting a cut be sure the mitre gauge is se curely clamped at the desired angle Hold the workpiece firmly against the table and back against the miter gauge Always use the saw guard and split ter and make sure the splitter is properly aligned 2 For 90 degree crosscutting most operators pre fer to use the left hand mitre gauge slot When using it in this position hold the workpiece again...

Page 19: ...res See Figure 33 Set the mitre gauge at the required angle lock the mitre gauge and make the cut the same as a normal crosscut except the workpiece must be held extra firmly to prevent creeping NOTE When making compound mitres with blade tilted use the mitre gauge in the right hand slot to provide more hand clearance and safety 3 Have the blade extend only 1 8 above the top of the workpiece Expos...

Page 20: ...board should be made of straight grain hardwood approximately 1 thick and 4 to 8 wide depending on the size of the machine The length is developed in accordance with intended use Feather boards can be fastened to the table or rip fence by use of C clamps Alternatively drilled and tapped holes in the table top allow the use of wing nuts and washers as a method of clamping If this method of fastenin...

Page 21: ...21 FIGURE 38 FIGURE 37 ...

Page 22: ...Readjust stop screws 12 degrees Tilt or saw raising 1 Clamp knobs not released 1 Unclamp handwheels difficult to turn 2 Worm and worm gear segment caked 2 Clean and re grease with sawdust and pitch 3 Worm and worm gear segment out of 3 Realign worm and worm alignment gear segment Motor overheats 1 Motor overloaded 1 Correct overload condition such as reducing the feed rate 2 Improper cooling of mo...

Page 23: ...nce assembly only 2250154 Blade guard and splitter assembly 2328023 Table insert 2328024 Dado insert 2389002 Special cast iron extensoin wing kit 2402006 Accu Fence side panel replacement kit 2440020 Accu Fence rear lock assembly 2471015 Mitre gauge 6284600 Tenoning jig ...

Page 24: ... 3604035 Mitre Gauge Pointer 1 4 3585221 Stop Pin 1 5 3841202 Mitre Gauge Bar Washer 1 6 6506001 Hex Nut 6 32 3 7 6623012 Dowel Pin 1 4 X 1 1 9 6706015 Fillister Head Machine Screw 6 32 X 5 8 3 11 6714053 Flat Head Cap Screw 1 4 20 X 3 8 1 12 6861101 Plain Flat Washer 1 4 1 13 3695221 Locking Screw 1 4 X 3 3 8 1 14 3268050 Mitre Gauge Handle Knob 1 15 3055435 Pointer Block 1 ...

Page 25: ... 25 Round End Extension Table 1 3 2423001 Inner Weldment Leg Assembly 1 4 3186009 Outer Leg Extension 1 5 6716031 Hex Head Screw 3 8 16 X 1 1 6 6715036 Hex Head Screw 5 16 18 X 5 8 2 7 6515001 Steel Hex Nut 5 16 18 2 8 6861200 Lock Washer 5 16 2 9 6861201 Flat Washer 5 16 2 PARTS LIST Table Extensions Optional Accessory 72A 2389002 ...

Page 26: ...ter Shaft 1 16 3797424 T A Saw Table 1 18 6708012 Round Head Machine Screw 8 32 X 1 4 1 19 6714049 Hex Head Screw 1 4 20 X 3 4 2 20 6714272 Pkg of 6 Socket Set Screw Nylok 1 4 20 x 1 4 1 22 6718009 Hex Head Cap Screw 1 2 13 X 1 1 4 9 23 6746001 Pan Head Self Tapping Screw 6 X 1 4 2 24 6861500 Helical Spring Lock Washer 1 2 9 2328024 Dado Insert Assembly Items 20 25 1 25 3328075 Dado Insert 1 26 65...

Page 27: ...27 Stand Assembly Model 72A ...

Page 28: ...350032 Handle Assembly 1 24 3271039 Handwheel 8 X 3 4 1 2440009 Raise Tilt Lock Assembly Items 25 26 1 25 3583011 Saw Raising Tilting Locating Pin 1 26 3406018 801 Black Phenolic Knob 382 1 27 6716082 Square Head Set Screw 3 8 16 X 2 1 2 1 29 3711005 Saw Arm Pivot Shaft 1 30 6526005 Jam Nut 1 8 R H 1 32 3090012 Dust Chute 1 33 6714127 Hex Head Screw 1 4 20 X 1 2 2 34 6861100 Helical Spring Lock Wa...

Page 29: ...29 ARBOR Model 72A ...

Page 30: ...n 2 17 3700090 Splitter Support Shaft 1 1 18 6715039 Hex Head Cap Screw 5 16 18 X 1 3 4 4 19 3750010 Splitter 1 20 6716082 Square Head Set Screw 3 8 16 X 2 1 2 Splitter 1 21 6716031 Hex Head Cap Screw 3 8 16 X 1 45 degree stop 1 22 6516009 Hex Jam Nut 3 8 16 1 23 3711005 Saw Arm Pivot Shaft 1 24 6578003 Flexloc Self Locking Hex Nut 1 1 8 12 1 25 6670092 External Retaining Ring 1 26 3690232 Adjusti...

Page 31: ...31 Trunnion Model 72A ...

Page 32: ... 1 15 6710030 Flat Head Machine Screw 10 24 X 1 4 2 16 6626032 Spring Pin 3 16 X 1 1 4 1 17 6626049 Spring Pin 3 8 X 2 1 18 3250111 Blade Guard 2 19 3025073 PivotArm 4 20 6714192 Flat Head Socket Screw 1 4 20 X 7 8 8 21 3070108 Pivot Bushing 8 22 3838015 Pivot Washer 4 23 6514012 Flexlock Nut Sh 1 4 20 4 2787008 10 Rear Splitter SupportAssembly Items 24 thru 32 1 24 3700090 Unthread Splitter Suppo...

Page 33: ...33 Splitter Guard Assembly Model 72A ...

Page 34: ...34 ELECTRICAL SCHEMATIC Model 72A ...

Page 35: ...35 ELECTRICAL SCHEMATIC Model 72A ...

Page 36: ...36 ELECTRICAL SCHEMATIC Model 72A ...

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Page 39: ...d Serial Number of your machine available when you call will allow us to serve you quickly and accurately Locating the stock number of the part s required from your parts manual will also expedite your order Phone No 800 274 6848 Fax No 800 274 6840 If you are calling from Canada please call 800 238 4746 E mail powermatic wmhtoolgroup com Website www powermatic com ...

Page 40: ...C WMH Tool Group 427 Sanford Road LaVergne TN 37086 Phone 800 274 6848 Fax 800 274 6840 E mail powermatic wmhtoolgroup com Website www powermatic com POWERMATIC ALL RIGHTS RESERVED 04 03 ...