Grizzly G8794 Planer User Manual
Contents
1. QY SECTION 3 GENERAL INFORMATION Commentary Grizzly Industrial Inc is proud to offer the Model G8794 122 Portable Planer This planer is a part of Grizzly s growing family of fine machinery When used according to the guidelines described in this manual you can expect years of trouble free enjoyable operation and proof of Grizzly s commitment to customer satisfaction The Model G8794 is a wood planer designed for portable or small shop use This planer features a 2 HP motor four precision ground support columns easy top mounted depth adjustment fold down extension wings a direct reading thick ness gauge and a convenient carry handle We are also pleased to provide this manual with the G8794 It was written to guide you through assembly review safety considerations and cover general operating procedures It represents our latest effort to produce the best documenta tion possible If you have any criticisms that you feel we should pay attention to in our next print ing please write to us at the address below Grizzly Industrial Inc Technical Documentation P O Box 2069 Bellingham WA 98227 2069 Most importantly we stand behind our machines We have excellent regional service departments at your disposal should the need arise If after reviewing this manual carefully you have any service questions or parts requests please call or write us at the location listed below2. 7 INVENTORY A 7 A A 8 SITECONSIDERATIONS 8 4 ASSEMBLY CAHIPIDEFLECTO R e 9 HANDLE ASSEMBLY iara eu 9 MOUNTING TO peee 9 5 CONTROLS ONOFF SWITCH E 10 BUTTON 10 DEPTH OF CUT matte can eau 10 6 ADJUSTMENTS EXTENSION WINGS Eien ania 11 KNIFE SETMNG 11 12 7 OPERATIONS TEST RUN 13 13 WOOD TY PES pcnin an a e 14 WOOD CHARACTERISTICS EAN 14 15 STORING POWER CORD 15 8 MAINTENANCE 16 KNIFE SHARPENING 16 MOTOR dears tale telah ee 17 17 18 LUBRICATION 18 9 CLOSURE EK 19 MACHINE DATA rere ere 20 PARTS BREAKDOWN AND PARTS 5 5 21 24 TROUBLESHOOTING DSi 25 WARRANTY AND RETURNS OOT KK 26 G879
3. P8794033 84 P8794034 35 P8794035 36 P8794036 37 P8794037 38 P8794038 39 P8794039 40 P8794040 41 6203 42 P8794042 43 P8794043 44 P8794044 JO IO N JO JO gt G8794 12 Portable Planer Ref Part eo 7906 Low maoro ose 8794066 BEARING RETAINER oes Pezeoes BELT 195 1 1 Description RETAINER L H 80 P8794080 85 P8794085 88 P8794088 SPINDLE L H oso enom uexNuruero P8794096 ELEVATING NUT RH CAP SChEwus SX12 Ref Part Description 01 P8794101 02 P8794102 3 P8794103 8794104 PNO8M P8794106 P8794107 P8794108 P8794109 PSB33M 8794111 8794112 8794113 P8794114 P8794115 P8794116 P8794118 P8794119 20 P8794120 21 P8794121 P8794122 P8794123 PWR810 P8794157 P8794158 P8794159 P8794160 P8794161 P8794162 79 P8794179 80 P8794180 BRUSH CAP ayo A i j ak ajo afo ay 3 1 1 0 O 24 G8794 12 Portable Planer TROUBLESHOOTING This section covers the most common machine problems encountered in planing and what to do
4. We recommend you keep a copy of our current catalog for complete information regarding Grizzly s warranty and return policy If you need additional technical information relating to this machine or if you need general assistance or replacement parts please contact the Service Department listed in Section 3 General Information Additional information sources are necessary to realize the full potential of this machine Trade journals woodworking magazines and your local library are good places to start AWARNING As with all power tools there is danger associated with the Model G8794 1217 Portable Planer Use the tool with respect and caution to lessen the possibility of mechanical damage or operator injury If normal safety precautions are overlooked or ignored serious personal injury may AWARNING The Model G8794 was specifically designed for planing operations DO NOT MODIFY AND OR USE THIS PLANER FOR ANY OTHER PUR POSE Modifications or improper use of this tool will void the warranty If you are con fused about any aspect of this machine DO NOT use it until you have answered all your questions Serious injury may occur 19 MACHINE DATA 722 SHEET Industrial mmc Customer Service 570 326 3806 To Order Call 800 523 4777 Fax 800 438 5901 GRIZZLY MODEL G8794 12 PLANER e A Rae Re Overall Dime
5. 12 PORTABLE PLANER MODEL G8794 INSTRUCTION MANUAL COPYRIGHT 2000 BY GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC APRIL 2000 PRINTED IN TAIWAN WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemical are Lead from lead based paints e Crystalline silica from bricks cement and other masonry products e 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 specially designed to filter out microscopic particles Table Of Contents 1 SAFETY SAFETY INSTRUCTIONS FOR POWER 5 2 3 ADDITIONAL SAFETY INSTRUCTIONS FOR PORTABLE PLANERS 4 2 CIRCUIT REQUIREMENTS TITOV OPERATION 5 BN sa aN pie Nate te AA ee ee np en tah ee Fe nad aa ie 5 EXTENSION GORD 5 5 3 GENERAL INFORMATION COMMENTARY 6 UNPACKING
6. Before moving the planer fold the extension wings up and ensure that the power cord is disconnected and stored beneath the wing on the cord storage loop 1 Working Clearances Consider existing and anticipated needs size of material to be processed through each machine and space for auxiliary stands work tables or other machinery when establishing a loca tion for your planer 2 Lighting and Outlets Lighting should be bright enough to eliminate shadow and pre vent eye strain Electrical circuits should be dedicated or large enough to handle amperage requirements Outlets should be located near each machine so power or extension cords are clear of high traffic areas Observe local electrical codes for proper installation of new lighting outlets or circuits G8794 12 Portable Planer SECTION 4 ASSEMBLY Chip Deflector For your safety and proper machine operation ensure that the chip deflector is secured before use The chip deflector directs wood chips away from the cutterhead during operation and covers the cutterhead and feed rollers for operator safe ty To secure the chip deflector 1 Align the chip deflector with the two bolts mounted at the exit side of the planer 2 Set chip deflector in place and use two wing nuts and washers to secure in place See Figure 2 z Mounting Studs Figure 2 Chip deflector mounting studs Y Hand
7. Grizzly Industrial Inc 1203 Lycoming Mall Circle Muncy PA 17756 Phone 1 570 546 9663 FAX 1 800 438 5901 E Mail techsupport grizzly com Web Site http www grizzly com The specifications drawings and photographs illustrated in this manual represent the Model G8794 as supplied when the manual was pre pared However owing to Grizzly s policy of con tinuous improvement changes may be made at any time with no obligation on the part of Grizzly Whenever possible though we send manual updates to all owners of a particular tool or machine Should you receive one we urge you to insert the new information with the old and keep it for reference A CAUTION To operate this or any power tool safely and efficiently it is essential to become as familiar with its characteristics as possible The time you invest before you begin to use your Model G8794 will be time well spent DO NOT oper ate this machine until you are completely famil iar with the contents of this manual Make sure you read and understand all of the safety pro cedures If you do not understand something DO NOT operate the machine G8794 12 Portable Planer Unpacking Model G8794 125 Planer is shipped from the manufacturer in a carefully packed carton If you discover the machine is damaged after you ve signed for delivery please call Customer Service immediately for advice Save the containers and all packing materials for possible i
8. _ 20 000 29 999 _ 30 000 39 999 _ 40 000 49 999 __ 60 000 69 999 _ 70 000 79 999 _ 80 000 89 999 _ _ 50 000 59 999 _ 90 000 5 What is your age group _ 20 29 _ 50 59 _ 30 39 _ 60 69 __ 40 49 70 6 How long have you been woodworker _ 0 2Years _ 8 20 Years _ 2 8Years _ 20 Years 7 How would you rank your woodworking skills Simple _ Advanced _ Intermediate ___ Master Craftsman 8 What stationary woodworking tools do you own Check all that apply _ Air Compressor _ Panel Saw _ Band Saw _ Planer Drill Press _ Power Feeder _ _ Drum Sander _ Radial Arm Saw _ Dust Collector _ Shaper _ Horizontal Boring Machine _ Spindle Sander _ Jointer _ Table Saw _ Lathe _ _ Vacuum Veneer Press _ _ Mortiser _ Wide Belt Sander Other 9 How many of your woodworking machines are Grizzly 10 AT 12 13 14 15 16 17 18 19 Which benchtop tools do you own Check all that apply __1 x 42 Belt Sander ___6 8 Grinder ___5 8 Drill Press _ Mini Lathe _ 8 Table Saw _ 10 12 Thickness Planer ___8 10 Bandsaw _ Scroll Saw _ Disc Belt Sander _ Mini Jointer _ Spindle Belt Sander Other How many of the machines checked above are Grizzly Which portable hand held power tools do you own Check all that apply _ Belt Sander _ Orbital Sander _ Biscuit Joiner _ Palm Sander _ Circular Saw _ Portable Planer _ Detail Sander _ Saber Saw _ Drill Driver _ Reciprocati
9. an unbalanced cutterhead which can affect not only planing surface quality but ultimately the life of the cutterhead bearings Please refer to Section 6 Adjustments Knife Setting for complete detail on the removal and reinstallation of planer knives FF G8794 12 Portable Planer Motor Keep the motor as clean as possible Prevent any water oil or wood chips from penetrating inside the motor Be sure to clean the machine after every use The bearings inside the motor are also shielded and lubricated for the life of the bearing and require no routine maintenance This motor is equipped with long life carbon brushes However brush life expectancy is affected by motor loading Planing very wide dense boards or cutting too deep will reduce brush life Check brushes after every ten to fifteen hours of operation See Figure 14 When the AAO aaa Figure 14 Brush holder location brushes are worn down to 4 6mm it is time for replacement When checking brushes be sure to replace each brush in the same position and the same location that it came from When replacing old brushes be sure to replace both brushes at the same time Y G8794 12 Portable Planer V Belt The cutterhead is driven by a flat rubber V belt located on the right side of the motor and cutter head assembly when facing the front of the machine The belt is a durable long life belt how ever eventually it may require replaceme
10. on the rollers and cutterhead will cause over heating by decreasing cutting sharpness while increasing drag in the feed mechanism The result can include scorched lumber as well as uneven knife marks and chatter Chip Marks or Indentations Chip indentation or chip bruising is the result of wood chips not being thrown away from the cutterhead and out of the dust chute Instead they are carried around the cutterhead deposited on the planed surface and crushed by the outfeed roller Chip indenta tions can be caused by a number of reasons some of which are 1 The type of lumber being planed Certain species have a tendency to chip bruise 2 A high moisture content over 15 and or surface moisture Typically found in air dried stock where the surface is dry but the inside needs a longer time to season 3 Dull knives 4 Too much material being removed in one pass 5 Improper knife cutting angle Possible Solutions 1 Lumber must be completely dry preferably kiln dried KD Air dried AD lumber must be seasoned properly and have no surface moisture Do not surface partially air dried PAD lumber 2 Make sure planer knives are sharp 3 Remove less material per pass 4 Use a smaller cutting angle or a double bevel grind consult a reputable knife grinder 8 G8794 12 Portable Planer Storing Power Cord The underside of the outfeed extension wing con tains a convenient cord storage area Ju
11. secured to a bench or table before use Always be aware of the condition of the wood you are planing Pay particular atten tion to knots splits and other potential areas where the grain may be getting ready to separate Perform machine inspection and mainte nance services regularly Make sure the planer knives are sharp balanced and set correctly and securely Operate planer only with both knives in the cutterhead Do not plane any man made composites such as plywood hardboard particle board fiber board flake board fiberglass and or any other material other than solid natural wood fiber AWARNING Like all power tools there is danger associ ated with the Model G8794 Portable Planer Accidents are frequently caused by lack of familiarity or failure to pay attention Use this tool with respect and caution to lessen the possibility of operator injury If normal safety precautions are overlooked or ignored serious personal injury may occur 6 Position yourself so as not to get caught pinned between the lumber and another obstruction during the planing operation Also ensure that there is sufficient clear ance for the material being fed Keep hands and fingers away from moving parts and away from the infeed and outfeed section of the planer Do not reach into the machine at any time for any reason without first turning the switch off pulling the elec trical plug and after the machine has come to a fu
12. to plane Commonly used hardwoods and their associated shear strengths are illustrated in Figure 11 High shear means difficult planing Type Shear PSI Black Locust 2 480 Sugar Maple 2 330 Pecan Hickory 2 080 White Oak 2 000 White Ash 1 950 Black Cherry 1 700 American Elm 1 510 Black Walnut 1 370 Red Alder 1 080 Basswood 980 Cottonwood 930 Increasing Difficulty Figure 11 Common hardwood shear strengths Similarly common softwood shear strengths are displayed in Figure 12 Type Shear PSI Western Larch 1 410 Tamarack 1 280 Douglas Fir 1 160 Alaska Cedar 1 130 Sitka Spruce 1 150 Sugar Pine 1 050 Cypress 1 000 Redwood OG 940 Red Cedar 860 White Pine 850 Balsam Fir 710 D e A Figure 12 Common softwood shear strengths FH 2442 Wood Characteristics The species of wood as well as condition will affect planing ability The harder the wood the more difficult it will be to plane Weve included below a list of wood characteristics you may encounter when planing The following descrip tions of defects will give you some possible answers to problems you may encounter while planing different materials Possible solutions fol low the descriptions Chipped Grain usually a result of cutting against the grain or planing wood with knots or excessive amount of cross grain Chipped grain can also be caused by dull knives Often chipped grain can be avoided by taking
13. 4 12 Portable Planer SECTION 1 SAFETY AWARNING For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazardous conditions This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages The progression of symbols is described below Remember that safety messages by themselves do not eliminate danger and are not a substi tute for proper accident prevention measures AWARNING A CAUTION Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury Indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury It may also be used to alert against unsafe practices NOTICE This symbol is used to alert the user to useful information about proper operation of the equipment AWARNING Safety Instructions For Power Tools KEEP GUARDS IN PLACE and in working order REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning on KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents DON T USE IN DANGEROUS ENVIRON MENT Don t use power tools in damp or wet
14. HOISC DOWN AEE 2HP i A Single Phase 110 AT 15 Cycle inisin 60 Hertz 18 000 RPM ees cr thn nse On Off Safety Toggle Power Transfer e Belt Drive Bearings itiren n ee A ee Shielded amp Lubricated Ball Bearings Features Fold down Extension Tables Top Mounted Depth Adjustment Thermal Overload Protection Convenient Carry Handle Specifications while deemed accurate are not guaranteed REVISED 04 2000 20 G8794 12 Portable Planer G8794 12 Portable Planer 21 x A lt 160 159 G8794 12 Portable Planer 22 Ref Part 01 P8794001 02 P8794002 P8794003 8794004 05 P8794005 P8794006 P8794007 P8794009 10 P8794010 P8794011 12 P8794012 13 P8794013 14 P8794014 PW02M PSB24M PS08M PHLP HD SCR M5 8 X 12 PW02M 19 P8794019 20 P8794020 2 P8794021 WARNING LABEL 22 P8794022 23 P8794023 24 P8794024 25 P8794025 Description 07 gt gt Ja 26 P8794026 27 P8794027 28 P8794028 29 P8794029 30 P6002 81 P8794031 32 P8794032
15. about them Refer also to Section 7 Operations Wood Characteristics for additional guidelines on processing problems Do not make any adjustments until planer is unplugged and moving parts have come to a com plete stop POSSIBLE CAUSE CORRECTIVE ACTION Motor will not start Motor will not start fuses or circuit breakers blow Motor overheats Motor stalls resulting in blown fuses or tripped cir cuit Low voltage Open circuit in motor or loose connections Short circuit in line cord or plug Short circuit in motor or loose connections Incorrect fuses or circuit break ers in power line Motor overloaded Air circulation through the motor restricted Short circuit in motor or loose connections Low voltage Incorrect fuses or circuit break ers in power line Motor overloaded Check power line for proper voltage Inspect all lead connections on motor for loose or open connec tions Inspect cord or plug for damaged insulation and shorted wires Inspect all connections on motor for loose or shorted terminals or worn insulation Install correct fuses or circuit breakers Reduce depth of cut Clean out motor to provide normal air circulation Inspect connections on motor for loose or shorted terminals or worn insulation Correct the low voltage conditions Install correct fuses or circuit breakers Reduce load on motor Motor arcing visibly through Brushes sticking Check that brush holder is
16. caution when cleaning those areas Avoid chlo rine based solvents as they may damage painted surfaces should they come in contact Always fol low the usage instructions on the product you choose for clean up A CAUTION Many of the solvents commonly used to clean machinery can be highly flammable and toxic when inhaled or ingested Always work in well ventilated areas far from potential ignition sources when dealing with solvents Use care when disposing of waste rags and towels to be sure they do not create fire or environmen tal hazards Keep children and animals safely away when cleaning and assembling this machine AWARNING Do not use gasoline or other petroleum based solvents to remove this protective coating These products generally have low flash points which makes them extremely flamma ble A risk of explosion and burning exists if these products are used Serious personal injury may occur CAUTION The cutterhead knives on the G8794 planer are extremely sharp Merely brushing your finger along the edge can result in a severe cut Take extreme caution when doing any of the adjust ments involving the cutterhead knives Wear thick gloves anytime it is necessary to manu ally rotate the cutterhead assembly Site Considerations The Model G8794 is designed to be portable There is a carry handle located on the top of the planer as well as handles on both sides of the planer to aid in lifting and moving
17. com plete 11 i E Elevation Screw 4 Figure 17 Lubrication of chain and screw yY G8794 12 Portable Planer SECTION 9 CLOSURE The following pages contain parts diagrams lists general machine data and Warranty Return infor mation for your Model G8794 122 Planer If you need parts or help in assembling your machine or if you need operational information we encourage you to call our Service Department Our trained service technicians will be glad to help you If you have comments dealing specifically with this manual please write to our Bellingham Washington location using the address in the General Information section The specifications drawings and photographs illustrated in this manual represent the Model G8794 as supplied when the manual was prepared However due to Grizzly s policy of continuous improvement changes may be made at any time with no oblig ation on the part of Grizzly Whenever possible though we send manual updates to all owners of a particular tool or machine Should you receive one add the new information to this manual and keep it for reference We have included some important safety mea sures that are essential to this machine s opera tion While most safety measures are generally universal Grizzly reminds you that each work shop is different and safety rules should be con sidered as they apply to your specific situation G8794 12 Portable Planer
18. d wait longer before resetting to allow the machine to cool down BF 10 Depth Of Cut The planing depth is controlled by the crank han dle on top of the planer Turning the handle clock wise raises the cutterhead and counter clockwise lowers the cutterhead See Figure 6 Depth of cut is read directly from the inch millimeter scale located on the top right side of the planer One complete turn of the handle raises or lowers the cutterhead approximately 4 2mm The range of material thickness that can be planed is 316 6 6mm 1152mm The maximum depth of cut varies according to the hardness of the wood and how wide the board is being passed under the cutterhead Generally we recommend a maximum depth of series of light cuts will give a better end result than trying to take off too much material in a sin gle pass plus there is less strain on the motor Figure 6 Depth of cut handle and indicator Y G8794 12 Portable Planer SECTION 6 ADJUSTMENTS Extension Wings Your planer is equipped with front and rear exten sion wings Each wing folds up for machine mobility and down for machine operation To check alignment lay a straightedge across the bed and wings See Figure 7 If adjustment is necessary proceed as follows 1 Use the 10mm wrench and loosen the lock ing nuts and set bolts underneath each extension wing 2 Hold a straightedge across the bed and w
19. dards and we hope you never need to use this warranty Please feel free to write or call us if you have any questions about the machine or the manual Thank you again for your business and continued support We hope to serve you again soon 26 G8794 12 Portable Planer WARRANTY CARD Name Street City State Zip Phone Number E Mail FAX MODEL _G8794 12 Portable Planer Order The following information is given on a voluntary basis It will be used for marketing purposes to help us develop better products and services Of course all information is strictly confidential How did you learn about us _ Advertisement _ Friend _ Catalog _ Card Deck _ _ World Wide Web Other 2 Which of the following magazines do you subscribe to American Woodworker Practical Homeowner _ Cabinetmaker _ Shop Notes _ Family Handyman _ Today s Homeowner _ Fine Homebuilding __ WOOD _ Fine Woodworking _ Home Handyman _ _ Wooden Boat _ _ Woodshop News _ Journal of Light Construction _ Woodsmith _ Old House Journal _ _ Woodwork _ Popular Mechanics _ _ Woodworker _ Popular Science _ Woodworkers Journal _ Popular Woodworking _ Workbench Other 3 Which of the following woodworking remodeling shows do you watch _ Backyard America _ Home Time _ _ The American Woodworker _ New Yankee Workshop _ This Old House ___Woodwright s Shop Other 4 What is your annual household income
20. efore investigating any problems or performing any maintenance or adjustments Serious person al injury may occur A CAUTION The cutterhead knives on the G8794 planer are extremely sharp Merely brushing your finger along the edge can result in a severe cut Take extreme caution when doing any adjustments involving the cutterhead knives Wear thick gloves anytime it is necessary to manually rotate the cutterhead assembly NOTICE Never run the planer with only one knife installed in the cutterhead This will cause a severe imbalance condition at the high speed at which the cutterhead rotates Always install both knives and make certain they are tightly secured When resharpening always have both knives sharpened as a set G8794 12 Portable Planer SECTION 7 OPERATIONS Test Run Once assembly is complete and adjustments are done to your satisfaction you are ready to test the machine Make certain you have removed any tools or gauges used in the adjustment or assembly process from the bed of the planer Plug the planer in and make sure the power sup ply is on at the main panel With the locking key inserted move the toggle switch to the ON posi tion Make sure that your finger is poised to flip the switch to the OFF position just in case there s a problem The planer should run smoothly with little or no vibration or rubbing noises Strange or unnatural noises should be investigated and cor rected before
21. free of dirt and that brush moves freely vents or runs erratically Brushes worn 5 Replace both brushes Machine slows when 1 Depth of cut too great Reduce depth of cut ating is Brushes worn Replace both brushes Machine is loud when 1 Excessive depth of cut 1 Decrease depth of cut ting Overheats or bogs 2 Blades are dull down in the cut 2 Sharpen blades 3 Blade holder or blade assembly 3 Recheck complete blade installation and tighten all screws mounting is loose 4 Replace belt 4 Belt is worn or loose 5 Short circuit in motor Inspect by qualified electrical technician Planer starts but cutterhead Worn or broken belt Replace belt does not move Planer starts cutterhead 1 Blade not extending far enough Increase depth of cut turns no cut Belt worn or slipping gt Replace belt Loud repetitious noise com 1 Blades are dull 1 Sharpen blades ing from machine 2 Excessive depth of cut 2 Decrease depth of cut 3 Cutting against natural wood grain Reverse cutting direction 4 High wood moisture content 4 Dry wood Cannot control snipe Long or heavy board sags as it enters Lift up on unsupported end of board as it enters and exits cutterhead and exits G8794 12 Portable Planer 25 WARRANTY AND RETURNS Grizzly Industrial Inc warrants every product it sells for a period of 1 year to the original purchaser from the date of p
22. ing and turn the adjustment bolts so the end of the wing is flush with the straight edge Adjustment Bolt and Locknut Figure 7 Aligning extension wings 3 Move the straightedge across the width of the table and repeat step two Re check to ensure consistency from side to side Without turning the set bolts tighten the lock nuts 4 To adjust the second wing repeat steps one through three above yY G8794 12 Portable Planer Knife Setting The G8794 Planer is equipped with a 2 blade cut terhead The blades are locked in position by a knife locking bar with seven bolts angled to put pressure on the assembly when they are tight ened A set of two springs under each blade pushes up to keep the blade portion exposed The knife setting gauge is used to push down on the blade to set it to the proper height Disconnect the power cord from the power source before adjusting or removing the knives To remove the knives 1 Lower cutterhead to provide access to knives from the top 2 Remove chip deflector 3 Use the 8mm end of the wrench to loosen the bolts in the knife locking bar Turn clockwise to loosen bolts and free the knife See Figure 8 4 Slide knife out of cutterhead Use care when handling knives they are sharp 5 Repeat steps three and four above to Tightening Bolt A Loosen Tighten Knife Locking Bar Figure 8 Turn tightening bolt clockwise to loosen 11 remo
23. le Assembly Attach the handle assembly to the shaft protrud ing out of the top of the planer Align the flat inside the handle bore with the flat on the shaft Insert the M5 8 x 20mm cap screw Do not over tighten G8794 12 Portable Planer Figure 3 Mounting handle Y Mounting to Bench The planer can be directly mounted to a bench or table top or to a Shop Fox Deluxe Tool Table for increased stability during planing Use the mount ing holes shown in Figure 4 using the appropri ate fasteners Mounting Holes Figure 4 Mounting hole location Y SECTION 5 CONTROLS On Off Switch The on off switch is located on the front of the planer See Figure 5 The switch has a key which when removed allows the switch to be locked in the off position To access the locking feature push the switch to the OFF position and pull the switch key out Should the key be removed when the planer is ON it can still be turned OFF but will not be able to be restarted until the key is replaced Reset Button Figure 5 Location of switch and reset button yY Reset Button The G8794 Planer comes equipped with a ther mal overload protection switch which will trip if the motor builds up too high a level of heat To reset the switch turn the switch to the OFF position wait a few seconds and then depress the reset button See Figure 5 If the reset button does not stay depresse
24. ll stop Any glued up stock must be completely set up and dry before planing Never leave the planer running unattended Habits good and bad are hard to break Develop good habits in your shop and safe ty will become second nature to you AWARNING Operating this equipment has the potential to propel debris into the air which can cause eye injury Always wear safety glass es or goggles when operating equipment Everyday glasses or reading glasses only have impact resistant lenses they are not safety glasses Be certain the safety glass es you wear meet the appropriate standards of the American National Standards Institute ANSI G8794 12 Portable Planer SECTION 2 CIRCUIT REQUIREMENTS 110V Operation The Model G8794 is wired for 110 120V single phase operation only The 2 HP motor will draw 15 amps at 110V If you operate this planer on any circuit that is already close to its capacity it might blow a fuse or trip a circuit breaker However if an unusual load does not exist and a power failure still occurs contact a qualified elec trician or our service department yY Fusing A 20 amp fuse or circuit breaker should be used when fusing this combination sander Circuits rated any higher are not adequate to protect the motor from power surges Equipment returned to us for service that shows evidence of being over fused will be repaired or replaced totally at the customers e
25. locations or where any flammable or noxious fumes may exist Keep work area well lighted 5 KEEP CHILDREN AND VISITORS AWAY All children and visitors should be kept a safe distance from work area MAKE WORK SHOP CHILD PROOF with padlocks master switches or by removing starter keys DON T FORCE TOOL It will do the job better and safer at the rate for which it was designed USE RIGHT TOOL Don t force tool or attachment to do a job for which it was not designed G8794 12 Portable Planer AWARNING Safety Instructions For Power Tools 9 USE PROPER EXTENSION CORD Make sure your extension cord is in good condi tion Conductor size should be in accor dance with the chart below The amperage rating should be listed on the motor or tool nameplate An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Your extension cord must also contain a ground wire and plug pin Always repair or replace exten sion cords if they become damaged Minimum Gauge for Extension Cords 25 Soft 14 WEAR PROPER APPAREL Do not wear loose clothing gloves neckties rings bracelets or other jewelry which may get caught in moving parts Non slip footwear is recommended Wear protective hair cov ering to contain long hair AMP RATING ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty Everyday eyeglasses only have impact resistant le
26. ng Saw _ Miter Saw _ Router Other What machines supplies would you like Grizzly Industrial to carry ___12 Table Saw _ Radial Arm Saw _ 12 Jointer _ Panel Saw _ Combination Planer Jointer _ Brass Hardware _ amp Finishing Supplies _ Lumber _ Contractor s Supplies Other What new accessories would you like Grizzly Industrial to carry _ Builders Hardware _ Fasteners _ Hand Tools _ Wood Components Other What other companies do you purchase your tools and supplies from Do you think your purchase represents good value _ Yes No Would you recommend Grizzly Industrial to a friend Yes No Would you allow us to use your name as a reference for Grizzly customers in your area Note We never use names more than three times Yes No Comments FOLD ALONG DOTTED LINE Grizzly GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend Name Street City TAPE ALONG EDGES PLEASE DO NOT STAPLE
27. nses they are NOT safe ty glasses SECURE WORK Use clamps or a vise to hold work when practical safer than using your hand and frees both hands to operate tool G8794 12 Portable Planer 13 14 DON T OVERREACH Keep proper foot ing and balance at all times MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubri cating and changing accessories DISCONNECT TOOLS before servicing and changing accessories such as blades bits cutters and the like REDUCE THE RISK OF UNINTENTION AL STARTING Make sure switch is in off position before plugging in USE RECOMMENDED ACCESSORIES Consult the owners manual for recom mended accessories The use of improper accessories may cause risk of injury CHECK DAMAGED PARTS Before fur ther use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts bind ing of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced NEVER LEAVE TOOL RUNNING UNAT TENDED TURN POWER OFF Don t leave tool until it comes to a complete stop AWARNING Additional Safety Instructions For The Portable Planer Ensure that the machine is firmly
28. nsions Table 9 12 Table Extensions 2 deal eae 694 1212 18 with Knob Length with Extensions 23 WO 22 Shippind Weid 1 85 Ibs Net Weight 75 Ibs Eee 21 x 1234 Knives Number Dimensions 2 12 Lx W x H Double Edged Capacities Maximum Depth of CU Maximum Width of 2 12 Minimum Stock 5 Ae Minimum en renanta rsi aa ii ped 6 Cutterhead 1 48mm GutterheadiRPM say 8540 RPM Cuts per ee ees 17 080 per eases 57 Feed Rate eerie Whe ee hun det 25 FPM Maximum Cutting Construction Wa ee ee a i en ete Steel Cast Aluminum Power Feed Rollers eed Meanie Rubber amp 8 amp 8 ees eee Stamped Steel 1 Roller Cutterhead Shielded 8 Lubricated Bearings Support Columns 4 ES Steel Motor BAAS eine eS ieee ee Universal Fan Cooled F
29. nspection by the carrier or its agent Otherwise filing a freight claim can be difficult AWARNING The G8794 is a relatively heavy machine 85 Ibs shipping weight DO over exert yourself while unpacking or moving your machine get assistance In the event that your planer must be moved up or down a flight of stairs be sure that the stairs are capable of supporting the combined weight of people and the machine Serious person al injury may occur When you are completely satisfied with the con dition of your shipment you should inventory its parts yY G8794 12 Portable Planer Piece Inventory After all the parts have been removed from the carton you should have Manual Planer Chip Deflector Handle 8 10 mm Wrench Knife Gauge Hardware Cap Screw M5 8 x 20mm 1 Wing Nuts M5 2 Washers M5 2 In the event that any non proprietary parts are missing e g a nut or a washer we would be glad to replace them or for the sake of expedi ency replacements can be obtained at your local hardware store QY Clean up The table surface has a protective film on it which must be peeled away The cutterhead surfaces are coated with a waxy oil to protect them from corrosion during shipment Remove this protec tive coating with a solvent cleaner or citrus based degreaser such as Grizzly s G7895 Degreaser The cutter knives are extremely sharp use great
30. nt 1 Remove the depth of cut handle and the four Allen head screws on the top cover Pull the cover off and the sides are then free to be removed 2 Remove the Belt Guard Cover This piece just snaps into two grooves Squeeze the top of the cover slightly and pull up to remove See Figure 15 3 Roll off the old belt toward the side of the elevation screw 4 Loop the new belt so that it completely sur rounds the motor pulley but with only half the vees engaged Start the lower portion on the underside of the cutterhead pulley and slowly rotate the motor pulley with your free hand 5 By pushing on the edge of the belt and slowly turning the pulleys by hand you can force the belt over until all the vees of the belt are in alignment with the vees on the pulley 6 Replace the belt guard sides cover and handle Feed Rollers The feed rollers rotate in bushing blocks that are spring loaded The feed rollers ride up on the board so roller pressure is maintained If chips or sawdust build up between the bracket and bush ing block the amount of roller vertical travel will be reduced See Figure 16 Bracket Remove trapped sawdust from between the bushing block and the bracket Figure 16 Location of potential trapped sawdust Periodically check and clean chips and sawdust from between the bushing blocks and brackets Remove the side covers from the Planer by removing the depth of cut handle
31. on top and then remove the four Allen head screws holding the cover Lift the top cover off then remove the sides This provides easy access to depress the rollers so that chips and sawdust can be easily removed 1 Place a 3 4 high block of wood between one of the feed rollers and the planer bed Ensure that the block of wood is not under the cutterhead 2 Lower the cutterhead assembly down just enough so that the roller is pushed up against the spring and pressure is off of the two brackets 3 Remove any trapped material from between the roller assembly and bracket 4 Raise the cutterhead assembly and remove the block of wood 18 5 Repeat Steps 1 through 4 for the other feed roller 6 Replace the sides cover and depth of cut handle Y Lubrication There are two primary points requiring periodic lubrication the head elevation screws and the feed roller chain drive Access for lubrication requires removing the cover and sides of the machine first Remove the depth of cut handle and the four Allen head screws on the top cover Pull the cover off and the sides are then free to be removed See Figure 17 The elevation screws on each side of the machine should be coated with a light grease to lubricate the threads The chain drive can be lubricated with a spray oil Saturate each chain link then wipe off the excess so that sawdust will not be attracted Replace the sides cover and handle when
32. operating the machine further If you cannot easily locate the source of an unusual noise or vibration feel free to contact our service department for help Y AWARNING Make sure the G8794 is unplugged or dis connected from the power source and mov ing parts have come to a complete stop before investigating any problems or per forming any maintenance or adjustments Serious personal injury may occur G8794 12 Portable Planer Planing Tips Inspect your lumber for twist or cup and sur face one face on a jointer if necessary Scrape all glue off when planing laminated stock Plane boards of equal thicknesses when planing multiples Remove only 132 to 8 to 1 6mm of material on each pass Remove less materi al in each pass when planing wide or dense stock Support lumber on both ends Get assis tance if planing long lumber or use roller stands Measure workpiece with calipers to get exact results Check surface of workpiece for any irregular ities Plane equal amounts on each side of the board to reduce the chance of warpage Use entire width of planer to wear knives evenly Surface wood with the grain Never feed any end cut or end grained wood through the machine Y 13 Wood Types The species of wood as well as its condition have a dramatic effect on planing ability The harder the wood as illustrated by its shear strength the more difficult it will be
33. ortant fac tors in getting good results with the planer Knives can be made to last a long time if care is taken in checking the condition of the wood which is put into the machine The biggest problem will come from wood with nails or other metal embedded This will nick or chip the knives and can require a complete regrinding Another wear factor is sand grit or other dirt on the surface of the wood which the knives have to cut through Simply laying a board on a concrete floor can embed enough abrasive material to severely damage the knives At the speed the cutterhead is rotating these types of surface contamination can have a very abrasive effect This planer has knives with a grind angle of 40 which is a configuration which should suit most general planing needs The optimal grind or bevel angle is a compromise between effective cutting the smaller the angle the better the cutting action and edge life where the larger the angle the more the edge is supported thus the longer it will last For the best results it is best to have planer knives sharpened by a professional sharpening service which has the grinding and measurement equipment to assure that the knife cutting geom etry is maintained at optimum levels It is a pro cedure which requires some care and precision otherwise a set of blades can be easily ruined Knives should always be ground as a set so they can be properly matched Unequal material removal can result in
34. shallow cuts If those options do not work inspect your lumber and determine if its grain pattern is causing the problem If the wood does not show substantial crossgrain inspect your knives for sharpness Fuzzy Grain Usually caused by surfacing lum ber with too high a moisture content Sometimes fuzzy grain is a characteristic of some woods such as basswood Fuzzy grain can also be caused by dull knives or an incorrect grinding bevel Check with a moisture meter If moisture is greater than 20 sticker the wood and allow to dry Otherwise inspect knife condition Glossy Surface Usually caused by dull knives taking shallow cuts at a slow feed speed Surface gloss will usually be accompanied by overheat ing Often lumber will be scorched and eventual ly damage to knives will occur Snipe Occurs when board ends have more material removed than the rest of the board Usually caused when the workpiece is not prop erly supported as it goes through the machine However a small amount of snipe is inevitable The best way to deal with snipe is by planing lum ber longer than your intended work length and then cutting off the excess after planing is com pleted G8794 12 Portable Planer Wavy Surface Caused by poor knife height adjustment wavy surface appears when one knife is taking deeper cuts than the rest of the knives Recheck or reset knife height with the gauge Pitch amp Glue Build up Glue and resin build up
35. st fold the wing up and wrap the cord around the stor age wires to keep the cord neatly stowed until the next use of this portable planer Figure 13 Convenient cord storage 8 15 SECTION 8 MAINTENANCE General Regular periodic maintenance on your Model G8794 Planer will ensure its optimum mance Make a habit of inspecting your planer each time you use it Check for the following con ditions and repair or replace when necessary Loose mounting bolts extension wings or handles or excessive play in the depth of cut adjustment Worn switch Worn or damaged cords or plugs Dull or damaged cutterhead Knives Any condition that could hamper the safe operation of the machine 5 A CAUTION The cutterhead knives on the G8794 planer are extremely sharp Merely brushing your finger along the edge can result in a severe cut Take extreme caution when doing any of the adjust ments involving the cutterhead knives Wear thick gloves anytime it is necessary to manu ally rotate the cutterhead assembly NOTICE Never run the planer with only one knife installed in the cutterhead This will cause a severe imbalance condition at the high speed at which the cutterhead rotates Always install both knives and make certain they are tightly secured When resharpening always have both knives sharpened as a set 16 Knife Sharpening Knife sharpness is one of the most imp
36. urchase This warranty does not apply to defects due directly or indirectly to misuse abuse negligence accidents repairs or alterations or lack of maintenance This is Grizzly s sole written warranty and any and all warranties that may be implied by law including any merchantability or fitness for any par ticular purpose are hereby limited to the duration of this written warranty We do not warrant or represent that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants In no event shall Grizzly s liability under this warranty exceed the purchase price paid for the product and any legal actions brought against Grizzly shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent spe cial or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the outside as well as the inside of the car ton We will not accept any item back without this number Proof of purchase must accompany the mer chandise The manufacturers reserve the right to change specifications at any time because they constantly strive to achieve better quality equipment We make every effort to ensure that our products meet high quality and durability stan
37. ve second knife To install and adjust the knives 1 Make sure the two springs in the knife groove are in position If the knife locking bar was removed make certain it is rein serted with the bolts oriented as shown in Knife Locking Bar Figure 9 Side view of cutterhead and gauge Figure 9 2 Insert the knife into the space between the cutterhead and the locking bar Make sure the knife s bevel side is against cutterhead 3 Position knife setting gauge on the cutter 2 Figure 10 Knife gauge positioned on cutterhead head See Figure 10 4 While holding the knife setting gauge with one hand so it sits firmly on the cutterhead 12 turn the tightening bolts counterclockwise with the other hand Tighten the seven bolts until they begin to contact the side of the groove Then tighten further starting with the bolts at the center and working toward the outer ones Once they are tight enough to hold the knife in position remove the gauge 5 Do a final tightening of each bolt Recheck with the setting gauge to make certain the knife did not move The knife tip should be just touching the top of the arc of the gauge as shown in Figure 10 6 Repeat Steps 1 through 5 above to set the second knife 7 Remove all tools and install chip deflector 9 AWARNING Make sure the G8794 is unplugged or discon nected from the power source and moving parts have come to a complete stop b
38. xpense regardless of the present warranty status 8 Extension Cords If you find it necessary to use an extension cord with the Model G8794 make sure the cord is rated Hard Service grade S or better Refer to the chart in the standard safety instructions to determine the minimum gauge for the extension cord The extension cord must also contain a ground wire and plug pin Always repair or replace extension cords when they become worn or damaged 3 G8794 12 Portable Planer Grounding In the event of an electrical short grounding reduces the risk of electric shock by providing a path of least resistance to disperse electric cur rent This tool is equipped with a power cord hav ing an equipment grounding conductor See Figure 1 The outlet must be properly installed and grounded in accordance with all local codes and ordinances AWARNING This equipment must be grounded Verify that any existing electrical outlet and circuit you intend to plug into is actually ground ed If it is not it will be necessary to run separate 12 A W G copper grounding wire from the outlet to a known ground Under no circumstances should the grounding pin from any three pronged plug be removed Serious injury may occur Grounded Outlet Box Current Carrying Prongs Grounding Blade Is Longest Of the Three Blades Figure 1 Grounded plug configuration
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