Makita 51778 User's Manual
Contents
1. N A SS Guide rule Fig 16 11 MAINTENANCE CAUTION Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance Replacing carbon brushes Remove and check the carbon brushes regularly Replace when they wear down to the limit mark Keep the carbon brushes clean and free to slip in the holders Both carbon brushes should be replaced at the same time Use only identical carbon brushes Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secure the brush holder caps CAUTION Never remove the breather from the gear housing It is not an oil cap Limit mark Fig 17 Brush holder cap Screwdriver 2 nd Z Fig 18 oe Sj ee LO L Breather Y 7 Gear housing A So Fig 19 To maintain product SAFETY and RELIABILITY repairs any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers always using Makita replacement parts 12 ACCESSORIES CAUTION These accessories or attachments are recommended for use with your Makita tool specified in this manual The use of any other accessories or attachments might present a risk of injury to persons The accessories or attachments should be used only in the proper and intended manner Guide rule Part No 165153 3 Wrench 13 Part No 782016 42. Vaan 7 114 Hypoid Saw 185 mm 7 1 4 MODEL 5177B MODEL 5277B INSTRUCTION MANUAL a DOUBLE INSULATION SPECIFICATIONS 62 mm 40 mm 44 mm 4 300 439 mm 2 3 8 1 9 16 1 23 32 17 1 4 Manufacturer reserves the right to change specifications without notice Note Specifications may differ from country to country WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE Blade diameter Net weight 185 mm 6 8 kg 7 1 4 15 0 Ibs GENERAL SAFETY RULES For All Tools WARNING Read and understand all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury SAVE THESE INSTRUCTIONS READ ALL INSTRUCTIONS 1 2 10 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes Keep bystanders children and visitors away while operating a power tool Distractions can cause you to loose control Double Insulated tools are equipped with a polarized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it sti
3. Chisel tooth combination saw blade Carbide tipped saw blade For rip and cross cut work Faster smoother longer sawing Most frequently used for without biade sharpening general carpentry Cuts wood drywall plastics hard wood etc oo oo Hole Hole 7 1 4 Ar 7 1 4 yi eomm 185 mm 7 1 4 wi e Combination saw blade 7 1 4 7 For rip and cross cut work 185 mm CN Hole Diameter diameter 7 1 4 r No teeth 20 792435 6 Part No Part No 792436 4 A 90037 20 Part No 792446 1 13 Sep 07 95 US 185 mm 7 1 4 HYPOID SAW Model 5177B 5277B Note The switch and other part configurations may differ from country to country 14 MODEL 5177B 5277B ITEM NO ITEM NO Sep 07 95 US NO USED DESCRIP ION NO USED DESCRIPTION MACHINE MACHINE 7 1 Hex Flange Head Bolt M8x20 48 1 Countersunk Head Screw M6x28 2 1 Outer Flange 40 49 1 Makita Mark 3 1 inner Flange 40 50 1 Baffte Plate 4 1 Bearing Retainer 23 36 51 2 Tapping Screw Flange PT 5x65 5 1 Spindle 52 1 FIELD ASSEMBLY 6 1 Woodruff Key 4 53 1 Depth Guide 7 1 Bal Bearing 6003DDW 54 1 Flat Washer 8 8 1 Retaining Ring S 42 55 1 Lever Plate 9 1 Tension Spring 4 56 1 Lock Ptate 10 3 Tapping Screw Bind CT M5x20 57 1 Hex Bolt M8x20 11 1 Retaining Ring S 12 58 1 Pan Head Screw M4x8 With Washer 12 1 Ball Bearing 6201LLB 59 1 Hex Nut MB 13 1 Flat Washer 12 60 1
4. in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edges are less likely to bind and are easier to control Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tools operation If damaged have the tool service before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replacement parts Follow instruc tions in the Maintenance section of this manual Use of unauthorized parts or failure to follow Maintenance Instructions may create a risk of electric shock or injury 10 Specific Safety Rules DANGER Keep hands away from cutting area and blade Keep your second hand on auxiliary handle or motor housing If both hands are holding the saw they cannot be cut by the blade Keep your body positioned to either side of the saw blade but not in line with the saw blade KICKBACK could cause the saw to jump backwards See Causes and Operator Prevention of Kickback Do not reach underneath the work
5. while blade is rotating The guard can not protect you from the blade below the work Don t attempt to remove cut material when blade is moving CAUTION Blades coast after turn off Check lower guard for proper closing before each use Do not operate saw if lower guard does not move freely and close instantly Never clamp or tie the lower guard into the open position If saw is accidentally dropped lower guard may be bent Raise the lower guard with the Retracting Handie and make sure it moves freely and does not touch the blade or any other part in all angles and depths of cut Check the operation and condition of the lower guard spring If the guard and the spring are not operating properly they must be serviced before use Lower guard may operate sluggishly due to damaged parts gummy deposits or a buildup of debris Lower guard should be retracted manually only for special cuts such as Pocket Cuts and Compound Cuts Raise lower guard by Retracting Handle As soon as blade enters the material lower guard must be released For all other sawing the lower guard should operate automatically Always observe that the lower guard is covering the blade before placing saw down on bench or floor An unprotected coasting blade will cause the saw to walk backwards cutting whatever is in its path Be aware of the time it takes for the blade to stop after switch is released NEVER hold piece being cut in your hand
6. 18 19 20 21 22 23 24 Avoid accidental starting Be sure switch is off before plugging in Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents Remove adjusting keys or switches before turning the tool on A wrench or a key that is left attached to a rotating part of the tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations Use safety equipment Always wear eye protection Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions Use clamps or other practical way to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use tool if switch does not turn it on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous
7. Kickback is the result of tool misuse and or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below Maintain a firm grip with both hands on the saw and position your body and arm to allow you to resist KICKBACK forces KICKBACK forces can be controlled by the operator if proper precautions are taken When blade is binding or when interrupting a cut for any reason release the trigger and hold the saw motionless in the material until the blade comes to a complete stop Never attempt to remove the saw from the work or pull the saw backward while the blade is in motion or KICKBACK may occur investigate and take corrective actions to eliminate the cause of blade binding When restarting a saw in the workpiece center the saw blade in the kerf and check that saw teeth are not engaged into the material If saw blade is binding it may walk up or KICKBACK from the workpiece as the saw is restarted Support large panels to miniinize the risk of blade pinching and KICKBACK Large panels tend to sag under their own weight Supports must be placed under the panel on both sides near the line of cut and near the edge of the panel as shown in Fig 1 To minimize the risk of blade pinching and kickback When cutting operation requires the resting of the saw on the work piece the saw shall be rested on the larger portion and the smaller piece cut off To avoid kickback do support board Don t support
8. Spring Washer 8 14 1 Hypoid Gear 36 61 1 Flat Washer 8 15 1 O Ring 50 62 4 Cap Square Neck Bolt M3x24 16 1 Oil Seat 17 63 1 Screw M6x14 17 1 Bearing Box 64 1 Screw M5x12 18 1 Lever 65 1 Flat Washer 8 19 1 Tapping Screw Bind CT 4x12 66 1 Lever Plate 20 1 Breather 67 1 Lock Plate 21 1 Satety Cover 68 t Hex Nut M8 22 1 O Ring 14 69 1 Pan Head Screw M4x8 With Washer 24 1 Cap 20 70 1 Flat Head Screw M8 25 1 O Ring 5 71 1 Base 26 1 Pins 72 1 Hex Nut M6 27 1 Compression Spring 6 73 1 Spring Washer 6 28 1 Fiat Washer 6 74 1 Flat Washer 6 29 1 O Ring 6 75 2 Tapping Screw Flange PT 4x20 30 1 Cover 76 4 Tapping Screw Flange PT 5x25 31 1 Grip 77 1 Fiat Head Screw M6 32 3 Tapping Screw Bind CT 5x20 78 1 Flat Washer 8 33 1 Ball Bearing 629LLB 79 2 Brush Holder Cap 34 1 Insulation Washer 80 2 Carbon Brush 35 1 ARMATURE ASSEMBLY 81 1 Triac Circuit 51778 oniy With Item 33 34 amp 36 82 1 Handle Set With Item 87 36 1 Fan 83 2 Tapping Screw Flange PT 4x12 37 1 Bearing Retainer 84 1 Strain Relief 38 1 Bali Bearing 6003LLB 85 1 Cord Guard 39 1 O Ring 16 86 1 Cord 40 1 Oil Seal 22 87 1 Handle Set With Item 82 41 4 Ring 7 88 1 Switch 42 1 Retaining Ring S 17 89 4 Tapping Screw Bind CT 5x30 43 1 Gear Housing 90 1 Motor Housing 44 2 Pan Head Screw M5x10 With Washer 91 1 Name Plate 45 1 Blade Case 92 1 Breather Retainer 46 3 Tapping Screw Bind CT 5x20 Not iustrated 47 1 Rubber Sieeve 6 93 1 Pan Head Screw M4x12 With Washer Note The switch and
9. board or panel away or panel near the cut or panel near the cut Fig 1 Fig 2 12 13 14 Do not use dull or damaged blade Unsharpened or improperly set blades produce narrow kerf causing excessive friction blade binding and KICKBACK Blade depth and bevel adjusting locking levers must be tight and secure before making cut If blade adjustment shifts while cutting it may cause binding and KICKBACK Use extra caution when making a Pocket Cut into existing walls or other blind areas The protruding blade may cut objects that can cause KICKBACK NEVER place your hand or fingers behind the saw If kickback occurs the saw could easily jump backwards over your hand possibly causing severe injury Fig 3 Adjustments Before cutting be sure depth and bevel adjustments are tight Avoid Cutting Nails Inspect for and remove all nails from lumber before cutting When operating the saw keep the cord away from the cutting area and position it so that it will not be caught on the workpiece during the cutting operation Operate with proper hand support proper workpiece support and supply cord routing away from the work area A typical illustration of proper hand support workpiece support and supply cord routing WARNING Fig 4 It is important to support the workpiece properly and to hold the saw firmly to prevent loss of control which could cause personal injury Fig 4 illustrates typical hand support o
10. f incidental or consequential damages so the above limitation or exclusion may not apply to you Some states do not allow limitation on how long an implied warranty lasts so the above limitation may not apply to you Makita Corporation of America 2650 Buford Hwy Buford GA 30518 884044A068 PRINTED IN USA MCA 5 96 1997 01 4D
11. f the saw 15 Place the wider portion of the saw base on that part of the workpiece which is solidly supported not on the section that will fall off when the cut is made As examples Fig 5 illustrates the RIGHT way to cut off the end of a board and Fig 6 the WRONG way If the workpiece is short or small clamp it down DON T TRY TO HOLD SHORT PIECES BY HAND 16 17 Fig 5 Never attempt to saw with the circu lar saw held upside down in a vise This is extremely dangerous and can lead to serious accidents Fig 7 Before setting the tool down after completing a cut be sure that the lower telescoping guard has closed and the blade has come to a complete stop SYMBOLS Described below are symbols commonly listed on tools Mo RS voits A en aeeeee amperes PIE AEN herts KO ae kilograms M Aa hours N ani minutes G ARA seconds PON E alternating current a a direct current TEEI AE no load speed E EREE EE T alternating or direct current EAEI EAE ORR ISAN Class Construction RONE E E T EAA watertight construction TATI EEE E revolutions or reciprocation per minute No ae A raa aE A splash proof construction min eS ALE PE AA ERE number of blows OPERATION Removing or installing saw blade CAUTION Always be sure that the tool is switched off and unplugged before removing or installing the blade To remove the blade press the shaft lock so that the blade cannot revolve and use the wrench
12. h 0 en graved on it with your cutting line on the workpiece For 45 bevel cuts align the edge with 45 engraved on it with your cutting line 10 Switch action To start the tool simply pull the trigger Release the trigger to stop CAUTION Before plugging in the tool always check to see that the switch trigger actuates pro perly and returns to the OFF position when released Cutting operation Grasp the rear handle with your right hand the front grip with your left Set the base plate on the workpiece to be cut without the blade making any contact Then turn the tool on and wait until the blade attains full speed Now simply move the tool for ward over the workpiece surface keeping it flat and advancing smoothly until the sawing is completed To get clean cuts keep your sawing line straight and your speed of advance uniform CAUTION Switch trigger Rear handle oe Front grip Fig 14 Fig 15 Always gently keep the tool moving straight ahead when cutting Forcing or twisting the tool will result in overheating of the motor and dangerous kickback possibly causing severe injury Guide rule The handy guide rule allows you to do extra accurate straigtt cuts Simply slide the guide rule up snugly against the side of the workpiece and secure it in position with the clamp screw on the front of the base It also makes repeated cuts of uni form width possible Lo BR Se
13. ll does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any way Double insulation L eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body ts grounded Don t expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the cord Never use the cord to carry the tools or pull the plug from an outlet Keep cord away from heat oil sharp edges or moving parts Replace damaged cords immediately Damaged cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These cords are rated for outdoor use and reduce the risk of electric shock Stay alert watch what you are doing and use common sense when operating a power tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts 11 12 13 14 15 16 17
14. other part specifications may differ fram country ta country Not Illustrated 15 MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita tool is thoroughly inspected and tested before leaving the factory It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase Should any trouble develop during this one year period return the COMPLETE tool freight prepaid to one of Makita s Factory or Authorized Service Centers If inspection shows the trouble is caused by defective workmanship or material Makita will repair or at our option replace without charge This Warranty does not apply where repairs have been made or attempted by others repairs are required because of normal wear and tear The tool has been abused misused or improperly maintained alterations have been made to the tool IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CON SEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT THIS DISCLAIMER APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A SPECIFIC PURPOSE AFTER THE ONE YEAR TERM OF THIS WARRANTY This Warranty gives you specific legal rights and you may also have other rights which vary from state to state Some states do not allow the exclusion or limitation o
15. s or across your leg It is important to support the work properly to minimize body exposure blade binding or loss of control Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord Contact with a live wire will also make exposed metal parts of the tool live and shock the operator When ripping always use a rip fence or straight edge guide This improves the accuracy of cut and reduces the chance for blade binding Always use blades with correct size and shape diamond vs round arbor holes Blades that do not match the mounting hardware of the saw will run eccentrically causing loss of control Never use damaged or incorrect blade washers or bolts The blade washers and bolt were specially designed for your saw for optimum performance and safety or operation 11 Causes and Operator Prevention of Kickback Kickback is a sudden reaction to a pinched bound or misaligned saw blade causing an uncontrolled saw to lift up and out of the workpiece toward the operator When the blade is pinched or bound tightly by the kerf closing down the blade stalls and the motor reaction drives the unit rapidly back toward the operator If the blade becomes twisted or misaligned in the cut the teeth at the back edge of the blade can dig into the top surface of the wood causing the blade to climb out of the kerf and jump back toward operator
16. to loosen the hex bolt clock wise Then remove the hex boit outer flange and blade To install the blade follow the removal pro cedure in reverse BE SURE TO TIGHTEN THE HEX BOLT SECURELY CAUTION e Be sure the blade is installed with teeth pointing up at the front of the tool e Use only the Makita wrenches to install or remove the blade e One side of the inner flange is for 5 8 hole diameter or the blade the other side is for 13 16 hole diameter Shaft lock Blade Inner flange Mounting shaft W i Y Loosen J Fig 8 Saw blade Hex bolt Outer flange Fig 9 Outer flange Hex bolt Fig 10 Use the correct side for the hole diameter of the blade you intend to use Mounting the blade on the wrong side can result in dangerous vibration Adjusting depth of cut Loosen the lever on the depth guide and move the base up or down At the desired depth of cut secure the base by tightening the lever Loosen Fig 11 CAUTION e Use a shallow depth of cut when cutting thin workpiece for cleaner safer cuts e After adjusting the depth of cut always tighten the lever securely Bevel cutting Loosen the lever on the bevel scale plate on the front of the base Set for the desired angle 0 45 by tilting accordingly then tighten the lever securely Fig 12 Sighting The front of the base is notched to provide two guide edges For straight cuts align the edge wit
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