Powermatic COS18 User's Manual
Contents
1. 0 4 00 TB Aot cR 4 195 COS18 8319 Tube Fittings T 1 47 X00 1 20 COS18 320 Tube Fittings I type 1 4 10 2 22055 18 322 Connector 2 23 0 18 323 187 1 8 2 24 COS18 215 Tube Fittings T 1 86 iride 1 25 iss COS18 325 Tube Fittings L type 1 4 10 1 206 COS18 326 Switch Control MS P3b i ste eem 1 2T se TS 1533032 Pan Head Machine Screw M5x10 eseese 4 28 COS18 328 Toggle JOME nse Pissing 1 29 TS 2310162 Hex 16 1 5 1 9072 COS18 330 Gylinder ns 50 230 1 31 COS18 331 Jointer 22 1 4 X3 8 csse 2 3224s COS18 332 Air 2 34 COS18 234 Tube Fittings L type 3 8 12. nnne nnn nter essen nnns 32 33 DOORS 34 35 Pneumatic Diagram 2 nain 36 37 Electrical Schem ate renee 38 Preventive Maintenance nnne nennen 39 SAFETY RULES As with all machines there is a certain amount of hazard involved with the use of this cut off saw Use the machine with the respect and caution demanded where safety precautions are concerned When normal safety precautions are overlooked or ignored personal injury to the operator can result Read understand and follow the safety and operating instructions found in this manual Know the limitations and hazards associated with this machine Electrical grounding Make certain that the machine frame is electrically grounded and that a ground lead is included in the incoming electrical service In cases where a cord and plug are used make certain that the grounding plug connects to a suitable ground Follow the grounding procedure indicated in the National Electrical Code Eye safety Wear an approved safety shield goggles or glasses to protect eyes NOTE Common eyeglasses are only impact resistant they are not safety glasses Personal protection Before operating the machine remove tie rings watch and other jewelry and rol
3. 3 8 xq10 COS18 331 1 4 3 8 36 COS18 332 Air Regulator 222 3 8 gis COS18 234 Tube Fittings L 3 8 xq10 38 COS18 331 E 1 4 x3 8 39 COS18 317 Tube Fittings L 1 47 6 40 COS18 436 lle 1 4 41 COS18 434 Limit 11 42 COS18 317 Tube Fittings L 1 4 xp6 43 COS18 140 Tube Fittings L 1 8 44 COS18 427 On Off Air Control Switch 455 4 COS18 215 Tube Fittings T type 1 8 46 COS18 228 R L Air Filter Oil MACP300 10A 47 COS18 212 Quick 1 4 48 COS18 229 Balli Valve innin 1 4 49 COS18 233 Connection Block 3 8 PARTS LIST Pneumatic Diagram COS18 Cut Off Saw continued Index Part No No Description Size 50 COS18 235 Tube Fittings L type 3 8 51s COS18 234 Tube Fitti
4. 1 4T 5 1540071 Hex 10 1 5 8 48 COS18 148 TOX8xY75 1 49 1523031 Socket Set 10 1 50 COS18 150 tes eet e veas e EATA D LEA EANNA ode a 1 COS18 151 Special Flat 1 52 COS18 152L Socket Head Cap M10x30 L H 1 52 1505041 Socket Head Cap Screw 10 30 R H 1 53 2 518 153 Socket Head Cap 16 n tees 2 COS18 155 Fix Plate CMM 1 56 COS18 156 Earl e 3 1310 3 TS 1506051 Socket Head Cap 12 40 4 5 2361121 Lock 222 Mis eoe 4 19 Table amp Motor Assembly Left Hand COS18 Cut Off Saw 20 Table amp Motor Assembly Right Hand COS18 Cut Off Saw 21 PARTS LIST Stand Assembly COS18 Cut Off Saw Index Part No No Description Size Qty Tute COS18 201L stand Left Hand s ct AAA ttu 1
5. ntl TR 5 COS18 503 ede E m 10 5 1490021 Cap 8 5 1550051 Flat Washers ces REM 8 COS18 506 1 TS 1540061 lae MC 8 1 25 6 10 COS18 510 Ip cR 1 14 5 0561071 cte reete teat Rm 2 15 COS18 515 Adjusting 2 2 32 4 Roller Table Assembly COS18 Cut Off Saw 6827038 Optional Accessory 33 PARTS LIST 8 Roller Table Assembly COS18 Cut Off Saw 6827037 Optional Accessory Index Part No No Description Size Qty M COS18 601 1 COS18 602 eee test ete ete tene de dede 2400 1 COS18 6083 Pan Head Machine Screw 2 eus TS 1550081 Flat Washer 2 ceti doe eati dae sati odis 2 Does COS18 605 Guide E 3 E COS18 606 Square Head 8 40 6
6. 3 87 10 1 1 35 s COS18 235 Tube Fittings L type 9 8 K Gassen eder 1 ess COS18 236 Connection 1 TS 1532052 Pan Head Machine Screw 5a 2 38 COS18 238 Connection 1 40 TS 1502101 Socket Head Cap 2 41 COS18 244 Rubber 2 42 3312341 Powermatic Logo 20204 0 0 1 43 COS18 242 Warning 1 44 COS18 243 Warning Label a a 1 45 COS18 244 Rotation Blade L H 1 46 COS18 245 Rotation Blade 1 22 Stand Assembly Left Hand COS18 Cut Off Saw 9 3 a Inlet 23 Stand Assembly Right Hand COS18 Cut Off Saw 44 N o o 79 N N N 9 8 2 52 os amp gt x 3 45 Wr kth 2 cx Hc N 24 PARTS LIST Air Control Assembly COS18 Cut
7. Blade 18 120T 1 Bore 6080158 Premium Blade 18 120T 1 Bore 17 PARTS LIST Table amp Motor Assembly COS18 Cut Off Saw Index No Part No COS18 101L COS18 101R 5 1505051 5 2361101 COS18 104 COS18 105 BB 6204ZZ COS18 107 COS18 108L COS18 108R TS 1523031 TS 2211451 TS 2360121 COS18 109L COS18 109R COS18 112 COS18 113L COS18 113R BB 6206Z COS18 115L COS18 115R COS18 116L COS18 116R COS18 117 6080157 COS18 119 COS18 120L 5 1506031 COS18 121 COS18 122 COS18 123 5 1503061 COS18 125 COS18 126 COS18 127 COS18 128 TS 1492031 COS18 130L COS18 130R 5 1503091 5 1550041 COS18 133 5 1540041 COS18 135 TS 1503041 COS18 139 COS18 140 COS18 141 TS 2284252 Description Size Qty Casting Table Left sss 1 Casting Table Right 1 Socket Head 10 35 4 Lock Washer 4 Bracket aeree AA ada dac ag Reach 2 6 cee 2 Ball 6204227 2 2 EI MM 2 Spindle Frame Left Hand sess 1 Spindle Frame Right HandQ sss 1 Socke
8. Hex Cap 6 16 32 255 TS 1490051 Hex Cap M8x30 38 5 2361081 Lock Washer 8 34 COS18 434 LIMIE SWITCH COS18 317 Tube Fittings L 1 4 x96 COS18 436 Sis ses 5 2235991 Socket Head Cap Screw M5x100 38 COS18 438L Bracket Left seen 98 COS18 438R Bracket Right 396 COS18 439 Spring eo e RENE Se ete 40 COS18 440 Sptlng BIRD 41 1540031 Flex ith M5xO0 8P 42 essen 1501091 Socket Head Cap Screw 35 TS 1550021 Flat 44 5 1540021 4 7 45 TS 1481021 Hex Cap M5
9. COS18 201R Stand Right 1 2 1481041 Hex Cap 5 16 12 gustus TS 1550081 Flat 22 422 2 MB 2 4 COS18 204 Pedal Switch 2 230 8 1 B COS18 205 Tube Fittings I type 1 4 2 COS18 206 SILENCE JUL 2 ya COS18 207 Rubber Sleeve 1 Boss COS18 208L ees 1 COS18 208R Front Door Right 1 COS18 209 LOCK Rm 1 10 COS18 210 csi Pur d e Pe nete fedi o duco Gee te Fede CR Po Dua 1 COS18 211 Emergency Button ett ea ee 1 COS18 212 Quick Fittings 1 T9 ii COS18 140 Tube Fittings L type 148 XOG 2 14 COS18 214 Air Pressure Start sss 1 COS18 215 Tube Fittings T type 1 8 X
10. No No Description Size dte COS18 211 Emergency 2s COS18 140 Tube Fittings L 1 8 COS18 215 Tube Fittings T type 1 8 COS18 214 Air Pressure Start Button Dice aries COS18 215 Tube Fittings T type 1 8 COS18 140 Tube Fittings L 1 8 PES COS18 140 Tube Fittings L 1 8 Bass COS18 140 Tube Fittings L 1 8 COS18 322 Jointer 1 8 COS18 323 eet 1 8 x1 8 TT us COS18 322 Jointer 2 nn nerne 1 8 12 COS18 215 Tube Fittings T type 1 8 13 COS18 323 JOIDEOT 1 8 x1 8 14 COS18 320 Tube Fittings I 1 4 xp10 15 COS18 320 Tube Fittings I type 1 47 10 16 COS18 312 aia a T COS18 140
11. WERMATIC OWNER S MANUAL Model COS18 Cut Off Saw WMH TOOL GROUP Industrial Machinery Division 427 Sanford Road LaVergne TN 37086 Ph 800 248 0144 Fax 800 274 6840 E mail powermatic wmhtoolgroup com www wmhtoolgroup com Left Hand model shown with 8 and 4 optional roller tables M 0460277 10 03 Rev B Copyright 9 WMH Tool Group This manual has been prepared for the owner and operators of a Powermatic Model COS18 Cut Off Saw Its purpose aside from proper machine operation is to promote safety through the use of accepted correct operating and maintenance procedures Completely read the safety and maintenance instructions before operating or servicing the machine To obtain maximum life and efficiency from your saw and to aid in using the machine safely read this manual thoroughly and follow all instructions carefully Warranty amp Service WMH Tool Group warrants every product it sells If one of our tools needs service or repair one of our Authorized Repair Stations located throughout the United States can give you quick service In most cases any one of these WMH Tool Group Repair Stations can authorize warranty repair assist you in obtaining parts or perform routine maintenance and major repair on your JET Performax Powermatic or Wilton tools For the name of an Authorized Repair Station in your area call 1 800 274 6848 More Information WMH Tool Group is consistently adding new products to the
12. RULES 6 40 TSn COS18 415 16 COS18 416 Lead 5 1492041 Hex Cap M12x40 18 2360121 Flat 12 19 COS18 419 uet eve te d t e e e 20 COS18 420 Control nnn nnn nnn nnn nnns nnns 21 5 TS 1482011 Hex Cap M6x10 22 1550041 Flat 29 56 TS 1533042 Pan Head Machine Screw MbX12 24 COS18 424 Power On COS18 425 Power Off BUOM iiie etr pee eee Peer desees 26 COS18 140 Tube Fittings L 1 8 x96 21 uw COS18 427 On Off Air Control Switch VM104 28 COS18 215 Tube Fittings T type 1 8 x96 29 COS18 429 30 TS 1482081
13. Tube Fittings L 1 8 18 COS18 141 SEN ET sue red 1 8 19 COS18 325 Tube Fittings L 1 47 10 20 COS18 141 llle EM 1 8 21 COS18 312 ote tee ee 22 COS18 317 Tube Fittings L 1 4 x96 23 COS18 140 Tube Fittings L 1 8 24 xx COS18 141 oor 1 8 25 4 COS18 319 Tube Fittings T type 1 47 6 26 COS18 144 Silencer eee ettet 1 8 21 COS18 140 Tube Fittings L 1 8 28 COS18 204 Pedal 230 8A 29r COS18 206 SIlenCer eee eee tee eene 1 4 30 COS18 205 Tube Fittings I type 1 4 6 31 COS18 205 Tube Fittings I type 1 4 92 5 COS18 330 CB 50 230 93 22 COS18 332 Air Regulator 222 3 8 34 COS18 234 Tube Fittings L
14. moistened with a good commercial solvent Do not use acetone lacquer thinner gasoline or any flammable solvents Do not use an abrasive pad HANDWHEEL Install the handwheel onto the threaded rod as shown Fig 3 Handwheel m 41 FIGURE 3 Lifting Eye ELECTRICAL CONNECTIONS WARNING Electrical connections must be made by a qualified electrician in compliance will all relevant codes The machine must be properly grounded to help prevent electrical shock and possible death A power plug is not provided with the COS18 You may either connect one or hard wire the machine directly to your electrical panel provided there is a disconnect near the machine Consult electrical schematic on page 34 for further clarification of wiring setup This machine must be grounded Grounding provides a path of least resistance to help divert current away from the operator in case of electrical malfunction Make sure the voltage of your power supply matches the specifications on the motor plate of the machine After wiring disconnect machine from power Source open the blade access door remove the internal clear panel and remove the blade see Installing Changing Blade Re connect the power and turn on the saw motor see Operating Controls Observe the rotation of the arbor it should rotate counterclockwise on the LH model clockwise on the RH model If it does not turn off the machine disconnect power and swit
15. prior to making adjustments BLADE TRAVEL To adjust the speed by which the saw blade and the clamp travel up and down open the cabinet door and locate the upper and lower pressure regulating valves which are attached to the air cylinder Fig 15 Turning these will regulate the travel speed of the blade and clamp The clamp will lower during the blade s upstroke and rise during the blade s downstroke The top valve shown in Fig 15 adjusts the speed of the blade s downstroke and the speed of the clamp as it rises back up Turn the knob counterclockwise to increase the speed clockwise to decrease When the speed is satisfactory lock the setting by tightening the knurled nut Repeat for the lower valve which adjusts the speed of the blade s upstroke and the lowering of the clamp CLAMP HEIGHT ADJUSTMENT The distance between the stock clamp and the workpiece can be adjusted by turning the handwheel Fig 16 Line up the red indicator plate with the measurement on the scale Ideally there should be a space of 1 8 between the clamp and the workpiece After setting the clamp height move the hex nut downward and tighten against the casting as shown this will prevent your setting being altered by machine vibrations IMPORTANT The clamp height adjustment must be made each time the workpiece size changes Cylinder Handwheel for clamp height adjustment Indicator Plate Scale 15 BELT REPLACEME
16. Y nd COS18 607 Lock Handle ertt ete ete 6 8 x 1550051 Flat 24 gro COS18 609 Guide Stoppe rnai ta PS 3 10 COS18 610 Spting PIU o dne ete PIKI eee 3 T ua COS18 611 Square Head M8X27 sene 6 33 5 1540061 Hex 20 401 M8x1 25P 19 14 TS 1490044 Hex Cap MB8X25 ree 3 16 COS18 616 Roller Table 3 ere Pett ck LEA ca 1 Dom COS18 502 11 18 3 COS18 503 isum 22 19 TS 1490021 Hex Cap M8X19 2 te 12 21 COS18 506 PEE M E EE OR OA 1 2b COS18 510 pP 2 29 5 0561071 Hex 0004004 1000 5 8 T1 ades 4 30 COS18 515 Adjusting 4 34 8 Roller Table Assembly COS18 Cut Off Saw 6827037 Optional Accessory PARTS LIST Pneumatic Diagram COS18 Cut Off Saw Index Part
17. and chips with a soft bristle brush Remove gum and pitch with oven cleaner Lubricate appropriate places with a good grade non hardening grease Clean table and fence surface If rusted use paste mixture of household ammonia a good commercial detergent and 000 steel wool Wash surface down with hot soapy water rinse and dry thoroughly Coat surface with talcum powder rubbing briskly into surface with a clean blackboard eraser Check blade condition should be sharp and free of nicks or grooves Check belt condition Replace as needed Dress with belt dressing Check belt tension Check motor for loose wiring and sawdust congestion pulleys tight and in line Check bearings Replace any bad or suspect bearings immediately Fence properly aligned and square Foot pedal has proper adjustment Check electrical controls function and pneumatic guard operation Check alignment of roller tables with main table To order parts or reach our service department please call our toll free number between 8 00 a m and 4 30 p m CST Monday through Friday Having the Model Number and 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 800 248 0144 Fax 800 274 6840 If you are calling from Canada please call 800 238 4746 E mail
18. e ee ded e ede eae 9 lace E RES 9 Electrical 10 Extension Gods LE 10 Dust Collection ane nee ee be tena enue e ARD A MT hoes 11 Operating tem 11 Installing Changing Blade 11 AIP SUPPLY a ES A E 12 Squaring the Eerice 12 Installing Roller Tables Optional nnn nnn nnne nens 12 8 Foot Table Guide cR ALI ARES LE RES RBA ud 14 Leveling amp Aligning Roller 14 15 Blade ce ee ee a 15 Clamp Height 15 Belt Replacement iss 16 roro 16 Maintenance te ae a a 16 Optional Accessories 17 Parts Lists amp Exploded Views Table amp Motor nnn nns 18 21 Stand Assembly xatd ete etude edu eum 22 24 Air Control 4 25 27 Safety Guard 2 ernannt nsns 28 31 4 Roller Table Assembly
19. p6 esos 2 16 TS 1502021 Socket Head Cap MDX 10 eee 18 14 uin COS18 217 Mee 1 18555 TS 2310051 M5x0 8P 2 19 COS18 219 Satety Gover et td 1 COS18 221L Side Door Left seen 1 21 COS18 224R Side Door Right Hand 1 22 TS 1502061 Socket Head Cap 5 25 2 29 COS18 223 Exhaust Le ette 1 25s COS18 225 1 28 COS18 228L Air Filter Oil Type Left Hand MACP300 10A 1 28 COS18 228R Air Filter Oil Type Right Hand MACP300 10A 1 29 is COS18 229 Ball valv8 5 aede eee TA as ense 1 30 COS18 230 Pressure 2 1 ST 5 1550041 Flat Washers eed edes MO 2 92 ss 1503041 Socket Head 6 16 2 COS18 233 Connection Block 1 34 aaa COS18 234 Tube Fittings L type
20. void Misuse Do not use this Powermatic cut off 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 you are not thoroughly familiar with the operation of cut off saws obtain advice from your supervisor instructor or other qualified person Drugs alcohol medication Do not operate this machine while under the influence of drugs alcohol or any medication Health hazards Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paint Crystalline silica from bricks and cement and other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specifically designed to filter out microscopic particles Familiarize yourself with the following safety notices used in this manual CAUTION This means that if precautions are not heeded it may result minor or moderate injury and or possible machine damage WARNING This means that if precautions are no
21. 0 2 355 5 COS18 335L Swaying Arm Left Hand sse 1 35 5 COS18 335R Swaying Arm Right sss 1 36 COS18 336 Special tec obesse a A edis d uds 1 OZ sss COS18 337 Shaft ciues m een tet n te e PU EE DEDE DeC DH TECH E QE OR 1 TS 2360121 Flat ue ete en ie M23 4 39 5 TS 0720111 Lock WM MEM EE IE 3 40 COS18 340L Bracket Left 2 40 COS18 340R Bracket Right 2 42 1491031 Hex Cap M10x25 sate 4 43 TS 1551071 Lock 8 45 COS18 345L Clamp Arm Left 0 0 000 1 45 COS18 345R Clamp Arm Right 1 46 COS18 346 e obtutu tbe Au ho Mee MA eb t o usd 1 AT isis COS18 347 Danger eese nnne nennen nnne 1 25 Air Control Assembly Left Hand COS18 Cut Off Saw to switch bo
22. 243 DANGER Keep hands away from path of blade and out from under guards Keep hands away from clamp area COS18 347 FIGURE 1 SPECIFICATIONS 518 Cut Off Saw Stock number GOSTS8Lb sa noa 1791294 Stock number COSTER 1791289 c a T TIT M MM M A TM AMI M 10HP 3Ph 230 460V Blade size uoo conoce A DENT At E MU E Et E tM 18 diameter 120T AIDODSIZO v comercio ATI E M M M M EM 1 ATDOL SDOeQ oe ec UN A t M E E uu ME E t t DE SENESTE BEDE PETE 3320 RPM Cutting capacity maximum 4 3 8 x 10 1 2 Cutting capacity maximum 1 1 13 3 8 26 1 2 x 28 Table NeoN sce TCI mE Ett ME E t M reer 33 Alt SUDply requited doa 15 70 PSI Cycles per minute maximum 70 coo m T E E T t c m 4 922 ES SS E LE E 600 GIrOSSWelghLb sco cic tec TACITI AA AMA CILICIAM TI LATI ITE IT 850 Ibs omo m SEN TACITO TA n TA TE TA TT 730 Ibs NOTE The above specifications were current at the time this manual was published but because of our policy of continuous improvement Powermatic reserves the right to change specifications without notice and without incurring ob
23. NT 1 Release tension on the v belt and remove old belt 2 sure the new belt is properly situated into the v grooves of the pulley 3 Tension new belt OPERATION A WARNING Do not place your hands close to the guard clamp at any time during operations All guards must be installed before using the machine 1 Start the motor and the air supply 2 Adjust height of clamp so it clears the workpiece by about 1 8 3 Setthe appropriate stop s on the roller table and load the stock on to the machine from the infeed side 4 When the stock is situated press the foot pedal to make the cut A WARNING If the motor is shut off but the air is still on the clamp will still be in raised position Turning off the air will cause the clamp to lower suddenly Keep hands clear Re starting the air will cause the clamp to rise suddenly MAINTENANCE Frequently drain any water out of the pneumatic valve The exposed metal areas on the table and fence should be kept clean and free from rust Apply a coat of paste wax as needed Another option is to briskly rub talcum powder into the surface with a clean blackboard eraser Grease Fitting Bearings should be greased through the fitting on the center of the arbor housing Fig 18 FIGURE 18 16 OPTIONAL ACCESSORIES 518 Cut Off Saw Part No Description 6827037 8 Roller Table 6827038 4 RollerTable 6080157
24. Off Saw Index Part No No Description Size Qty Tasse COS18 301 Toggle nennen nnns 1 518 302 Shafta 2 518 303 Cotter Pin SSP 12 nene 6 TS 1540071 ae aad y aan 5 COS18 305 Shock Tokico3243 1 1506131 Socket Head Cap 12 80 1 COS18 307 ginem hr 2 COS18 308 Nylon Bing s M T2 ete etd 2 10 5 155108 Lock 12 1 Tus TS 1540081 Hex NUT 5 12 COS18 312 EE 2 1959s TS 2284352 Pan Head Machine Screw ee 4 14 5 1540021 4 15 COS18 140 Tube Fittings L type 1 8X 006 tees 5 16 COS18 816 pee PA KO ieties 1 COS18 317 Tube Fittings L type T A XD ee HERE NERE NERE SEN 1 18 COS18 144
25. TIONAL Four foot and 8 foot roller tables are available as accessories to your cut off saw The roller tables can be used as infeed or outfeed tables and mounted to either side of the saw The terms Right Hand and Left Hand Model are determined by the location of the blade in reference to the main table The cover of this manual shows a left hand model 12 FIGURE 9 To mount roller tables to saw 1 Mount an angle bracket to the pre drilled holes in the side of the saw cabinet with four 8 x 20 hex cap screws and four 8 flat washers Fig 10 Do not fully tighten yet 2 Place the roller table upside down on a flat surface and attach the leg assemblies with four M8 x 25 hex cap screws eight 8 flat washers and four M8 hex nuts per leg assembly Fig 11 3 Screw an adjustable foot pad into each leg as shown in Figure 12 4 Flip the roller table right side up and mount it to the angle bracket on the cabinet as shown in Figure 10 Use two 8 x 25 screws four 8 flat washers and two 8 hex nuts Do not fully tighten yet Roller FIGURE 10 Roller Table FIGURE 11 Loosen nut to adjust Foot Pad FIGURE 12 13 8 TABLE GUIDE 1 8 foot table comes with a guide and scale The guide should be mounted to the edge of the table with six M8 x 27 square head bolts six M8 flat washers and six M8 hex nuts Fig 13 2 Attach the three stops to the 8 foot table guide F
26. W3 8 x30 e 1 Cap 12 35 2 Bracket Left Hand 1 Bracket Right Hand 2 1 Socket Head Cap 2 Flat ees 6 FIG Plate E a a 1 Hes neiii MOXJTP 6 Limited Switch 1 Socket Head Cap 6 16 2 Kimit SWitChh M E 1 Tube Fittings L type 1 8 2 SilenGer itt 1 Pan Head Machine Screw 4 25 3 PARTS LIST Table amp Motor Assembly COS18 Cut Off Saw continued Index Part No No Description Size Qty 43 TS 1540021 Hex NUES te 3 44 TS 1491101 Hex Cap 10 60 4 45 TS 1550071 Flat 4 46 COS18 146L Motor 10HP 3PH 230 460V 60Hz LH 1 46 COS18 146R Motor 10HP 3PH 230 460 60Hz RH _
27. and cleaning rags away from the machine Careless acts Give the work you are doing your undivided attention Looking around carrying on a conversation and horseplay are careless acts that can result in serious injury Disconnect all power sources both air and electric before performing any service maintenance adjustments or when changing blades When the air line is disconnected or turned off the guard will immediately drop down to the table Keep hands clear of guard at all times A machine under repair should be RED TAGGED to show it should not be used until the maintenance is complete Maintain cutting tools in top condition Keep blades sharp and clean for safe and best performance Dull tools increase noise levels and can cause kickbacks and glazed surfaces Check the condition and adjustment of the tools before making any cuts Hand safety Keep hands outside the machine Do not clear chips and sawdust with hands use a brush Job completion If the operator leaves the machine area for any reason the cut off saw should be turned off and the blade should come to a complete stop before his departure In addition if the operation is complete he should clean the saw and the work area NEVER clean the saw with power on and never use the hands to clear sawdust and debris use a brush Replacement parts Use only Powermatic or factory authorized replacement parts and accessories otherwise the warranty and guarantee is null and
28. ch any two of the three electrical leads NOTE A label is affixed to the internal clear panel to help identify proper rotation EXTENSION CORDS If an extension cord is necessary make sure the cord rating is suitable for the amperage listed on the machine s motor plate An undersized cord will cause a drop in line voltage resulting in loss of power and overheating The chart in Figure 4 shows the correct size cord to use based on cord length and nameplate amp rating If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord 10 raters an son ww recommended DUST COLLECTION Powermatic recommends the use of a dust collection system with this cut off saw The collector should have sufficient capacity 600 for this size machine Mount the dust collector via a 4 hose to the outlet on the blade access door OPERATING CONTROLS Control buttons are in two locations on the saw and are shown in Figure 5 A main start and stop button is located at the back of the table top An emergency stop button is also found on the front The air control switch in both locations starts the flow of air to the cylinder INSTALLING CHANGING BLADE 1 Disconnect machine from power source WARNING Never attempt to open blade access door until blade has come to a complete stop 2 Open the saw blade access door by loosening the screws 3 Remove the clear pa
29. ig 13 These stops can be slid to any point along the guide and secured by tightening the lock levers LEVELING amp ALIGNING ROLLER TABLES Each roller table must now be leveled with the main saw table and aligned with the fence The fence must be square with blade see Squaring the Fence page 11 WARNING Disconnect saw from both air and electric power sources 1 Select a piece of scrap board with a good straight edge 4 to 6 feet in length 2 Raise the blade guard and keep it raised Place the board straight edge down on the saw table surface and allow it to extend to the second or third roller of the roller table Fig 14 3 Level the roller table by loosening the hex nut on the foot pad and screw the foot pad in or out see Fig 12 4 When roller table and main table are level tighten the nuts on the foot pads 14 Square Head Screw FIGURE 13 Straight edge Roller Table FIGURE 14 5 Now place the board flush against the fence and against the rail of the roller table s If necessary shift a roller table horizontally to bring it in line with the fence 6 When final adjustments have been made and re checked on the roller tables tighten all screws nuts connecting the roller tables to the angle brackets CAUTION Never adjust the outfeed table level higher than the level of the machine table surface ADJUSTMENTS WARNING Disconnect all power sources both air and electric
30. l up sleeves above the elbows Remove all loose outer clothing and confine long hair Protective type footwear should be used Where the noise exceeds the level of exposure allowed in Section 1910 95 of the OSHA Regulations use hearing protective devices Do not wear gloves Guards Keep the machine guards in place for every operation for which they can be used If any guards are removed for maintenance DO NOT OPERATE the machine until the guards are reinstalled The blade guard is air actuated it is also a clamp for stock Never shut off or disconnect air while operator or bystanders are near guard Work area Keep the floor around the machine clean and free of scrap material saw dust oil and other liquids to minimize the danger of tripping or slipping Be sure the table is free of all scrap 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 Avoid accidental starting Make certain motor switch is in off position before connecting power to the machine Operator position Maintain a balanced stance and keep your body under control at all times Housekeeping Before turning on machine remove all extra equipment such as keys wrenches scrap
31. ligations FEATURES COS18 Cut Off Saw Adjustable Flip Stops Stock Clamp amp Scale E Adjustable Fence Pneumatic Safety Guard W gt Max romero a Up Front Controls Air Regulator Front Back amp Side Access Panels Foot Pedal Raises Lowers Blade FIGURE 2 RECEIVING Open shipping crate and check for shipping damage Report any damage immediately to your distributor and shipping agent Before using the cut off saw read the instruction manual thoroughly for assembly maintenance and safety instructions Contents of crate 1 Cut off saw 1 Handwheel 1 Toolbox containing 1 hex wrench set 1 socket wrench 1 open end wrench set 1 Manual 1 Warranty card INSTALLATION amp ASSEMBLY 1 Lift the machine with a hoist or forklift using a sling through the lifting eye on top the machine shown in Figure 3 Make sure the capacity of the lifting unit is sufficient to safely lift this size machine 2 The cut off saw with any roller table extensions should be located in an area that is well lit with enough room around it for loading and off loading stock and general servicing of the machine 3 The saw cabinet should be bolted to the floor through the holes at the four corners using high quality lag screws Unpainted surfaces such as the table and fence have been given a protective coating at the factory This should be removed with a soft rag
32. line For complete up to date product information check with your local WMH Tool Group distributor or visit wmhtoolgroup com Limited Warranty WMH Tool Group including JET Performax Powermatic and Wilton brands makes every effort to assure that its products meet high quality and durability standards and warrants to the original retail consumer purchaser of our products that each product be free from defects in materials and workmanship as follows 1 YEAR LIMITED WARRANTY ON ALL PRODUCTS UNLESS SPECIFIED OTHERWISE This warranty does not apply to defects due directly or indirectly to misuse abuse negligence or accidents normal wear and tear repair or alterations outside our facilities or to a lack of maintenance WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU WMH TOOL GROUP SHALL IN NO EVENT BE LIABLE FOR DEATH INJURIES TO PERSONS OR PROPERTY OR FOR INCIDENTAL CONTINGENT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU To take advantage of this warranty the product or part m
33. nel guarding the blade Fig 6 by loosening the screws and lifting up on the panel 4 Lock the arbor by pulling the lever Fig 8 4 Loosen hex screw Fig 7 on the arbor counterclockwise to loosen on the LH model clockwise on RH model Remove hex screw and outer flange from the arbor 5 Mount the blade on the arbor as shown making sure the teeth are pointed in the proper direction the teeth at top of blade should point toward rear of machine 6 Re install outer flange and screw and tighten securely Power On Off FIGURE 7 11 7 Rerinstall clear panel and close blade access door fastening it securely NOTE A sensor switch on the door will automatically shut down the saw if the door is opened while the blade is moving WARNING Do not reconnect power air or electric without internal clear panel in place and door securely fastened with screws AIR SUPPLY The correct air pressure for the COS18 saw is 70 PSI Attach the hose from your air source to the machine s air valve as shown in Figure 9 SQUARING THE FENCE The best way to square the fence is to make sample cuts Using a square check the end of a board after it has been chopped If the cut is not square proceed as follows 1 Loosen one of the bolts on the fence and lightly tap the fence with a block or mallet 2 Retighten the bolt and make another cut Repeat as necessary until fence is square INSTALLING ROLLER TABLES OP
34. ngs L type 3 8 xq10 52 COS18 144 4 00 1 8 ausus COS18 140 Tube Fittings L type 1 8 54 COS18 140 Tube Fittings L type 1 8 COS18 139 Limit Switchs sietini eniten 1 39 PON NP T 42 ZS 740 46 49 48 x on LHD 1 1 1 1 1 1 1 1 1 i 1 1 1 1 1 1 1 1 1 I i I 1 I i 1 i 4 1 1 1 IS pr el ae Pneumatic Inlet 51 LI 53 3 52 55 54 Tube 6x4mm White BE Tube 6x4mm Orange Tube 3 8 Orange 37 ELECTRICAL COS18 Cut Off Saw sra N33H5 leg alt E e er le HOLIMS 1 Movia IN SN SA LM SMZM ZA 38 Preventive Maintenance Checklist for Model COS18 Cut Off Saw Work area around machine marked off clearly Non skid floor strips in area where operator normally stands Inspect entire machine for loose bolts nuts screws Tighten and replace as necessary Clean table area removing sawdust
35. powermatic wmhtoolgroup com Website www powermatic com 39 POWERMATIC WMH Tool Group 427 Sanford Road LaVergne TN 37086 Phone 800 248 0144 Fax 800 274 6840 E mail powermatic wmhtoolgroup com Website www wmhtoolgroup com
36. t Set MOX10 tcs 2 Hex Cap 12 45 2 Flat M12 2 Spindle Assembly Left Hand Items 12 thru 17 amp 19 thru 28 1 Spindle Assembly Right Hand Items12 thru 17 amp 19 thru 28 1 Main Shaft 1 a tecto 1 EE E 1 Ball 62064 2 Spacer Left sess 1 Spacer Right Hand 1 Spacer Left 1 Spacer Right Hand 1 Spindle 1 Saw 18 25 4 120 1 Spindle Gollar inini LT EI 1 Socket Head Cap Screw M12x30 L H 1 Socket Head Cap M12x30 R H 1 Key ide teda wai tede eant eoo FX X5bO0 a a d 1 1 1 Socket Head Cap M6X25 eee 3 Special Pins 1 oe cipe RR PI E E I 1 LA ee 1 IKDoD un ecce etae euo te obse e
37. t heeded it could result in serious injury or possibly even death SAFETY Familiarize yourself with the location and content of these decals on your machine WARNING Read and understand the instruction manual before operating the machine Be sure machine is electrically grounded Always wear eye protection Use safety face shield goggles glasses and other personal safety equipment as required Remove jewelry fasten loose articles of clothing roll up long sleeves and contain long hair Disconnect machine from power source before performing any maintenance adjustments or cleaning Keep work area clean Clutter invites accidents Keep floor around machine free from scraps sawdust oil or grease to minimize the danger of slipping Do not operate without all guards and covers position Do not operate this machine while under the influence Left Hand of alcohol drugs COS18 244 Failure to comply with these warnings may result in serious personal injury Blade Rotation DO REMOVE OBSCURE THIS LABEL COS18 242 Blade Rotation WARNING Disconnect all power sources both air and electric prior to making any adjustments Do not attempt to open access door until Right Hand blade has come to a complete stop 0518 245 Do not reconnect power air or electric without internal clear panel in place and door securely fastened with screws COS18
38. ust be returned for examination postage prepaid to an Authorized Repair Station designated by our office Proof of purchase date and an explanation of the complaint must accompany the merchandise our inspection discloses a defect WMH Tool Group will either repair or replace the product or refund the purchase price if we cannot readily and quickly provide a repair or replacement if you are willing to accept a refund WMH Tool Group will return repaired product or replacement at our expense but if it is determined there is no defect or that the defect resulted from causes not within the scope of our warranty then the user must bear the cost of storing and returning the product This warranty gives you specific legal rights you may also have other rights which vary from state to state WMH Tool Group sells through distributors only WMH Tool Group reserves the right to effect at any time without prior notice those alterations to parts fittings and accessory equipment which they may deem necessary for any reason whatsoever TABLE CONTENTS IAE m E 4 5 Decals E 6 Specifications tede dede d 7 8 bebe e 9 Iristallation amp Assembly eee ete ettet te e eee ete eee ee
39. x a 26 Air Control Assembly Right Hand COS18 Cut Off Saw Cord Power 11 ae 27 33 38 i to switch box to motor to limit switch 27 PARTS LIST Safety Guard Assembly COS18 Cut Off Saw Index Part No No Description Size jm COS18 401 Special Fixed Pin 2 usus 0561051 Hex 1 27 13 COS18 408 Rubber CUSHION 4 COS18 404 Knobs eee Lm Bue COS18 405 Des 1524021 Socket Set M8x10 5 0561081 HexNUD 3 4750 25 Bosse 1491061 Cap 10 40 9 sit TS 2361101 Lock Washer 000202222 2 10 10 COS18 410 Depth scale ssssssssssssses senes COS18 411 Support 12 55 COS18 412 Donut Red 20 2 nnne COS18 413 iol E 14 COS18 414
40. x10 46 TS 1550081 Flat 47 5 1503041 Socket Head Screw 6 16 48 COS18 448 det dtt ai aiaa RA M PA PARA 49 COS18 449 LLL 52 us COS18 452 Special Rubber Head Screw W1 4 x25 PARTS LIST Safety Guard Assembly 518 Cut Off Saw continued Index Part No No Description Size Qty 55 6 TS 1540044 Hex Nutz iate i 4 54 COS18 454L Pneumatic Guard Left Hand sss 1 54 COS18 454R Pneumatic Guard Right Hand sss 1 55 COS18 455L Safety Cover Left Hand sss 1 55 COS18 455R Safety Cover Right 224 4 0000 1 58 COS18 207 Rubber Sleeve 1 29 Safety Guard Assembly Left Hand COS18 Cut Off Saw 30 Safety Guard Assembly Right Hand COS18 Cut Off Saw 31 PARTS LIST 4 Roller Table Assembly COS18 Cut Off Saw 86827038 Optional Accessory Index Part No No Description Size Qty us COS18 501 Roller Fable ERES Ade et o s 1 2 tes COS18 502
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