Zenoah HC510DV User's Manual
Contents
1. 6 5 For safe operation 7 EE 12 dudes des 14 8 Operation eese a ted 16 9 Maintenance 20 10 Storage niece ee eee 31 11 Troubleshooting guide 32 D Parts 1 sich sis iE ED eee 33 1 Parts location Rear handle Safety lock Choke knob Air Cleaner cover Front handle Pulley cover Stand Decomp valve Drive case 10 Throttle lever 11 Cutter blade 12 Blade cover 13 Muffler 14 Starter knobs 15 Engine stop switch 16 Fuel tank cap 17 Flange bolt 2 Specifications Model Name and Number ss CUT OFF SAW HC510DV Overall Size with 14 in Blade LxWxH 29 4 735 x9 4 235 x19 8 495 in mm Dry Weight excluding Blade TR TEES IL US INL DIDI 29 0 Ibs 13 kg Engine Type Single Cylinder Air Cooled 2 Cycle Gasoline Engine Displacement UPPER EE CELO 3 1cu in 49 3cm Max Speed TESTIS EE EL D DTE 12500 min rpm FG ILI EE Mixture Gasoline 50 Oil 1 when using ZENOAH genuine oil Carburetor ADD ELLO LOL LLL DLL Diaphragm Type Walbro WT Ignition System MEE EM NU RENE Electronic Controlled C D I Spark Plug DE T T NGK BPM8Y Starter System A D ed D Recoil Starter Stopping System EE Push Button Fuel Tank Capacity eee 18 5 fl oz 0 550 Transmission2. 5 For safe operation the other one s presence and how to sign the danger etc d Fix the cutting object if it is unfixed e Never operate the engine without wheel guard f Adjust the wheel guard to deflect sparks dust and material away from the operator and flammable materials g Inspect the entire unit for loose fasteners and fuel leakage Make sure that the blade is properly installed and securely fastened h The product is equipped with a centrifugal clutch mechanism so the wheel begins to rotate as Soon as the engine is started when the throttle is in the start position When starting the engine place the unit on firm ground or other solid surface in an open area and hold it firmly in place so as to ensure that neither the wheel comes into contact with any obstacle when the engine starts i Never attempt to drop start the engine j Be sure the wheel does not turn while the engine is idling Adjust the carburetor if necessary OPERATION SAFETY PRECAUTIONS a Grip the handles firmly with both hands Place your feet slightly apart so that your weight is distributed evenly across both legs and always be sure to maintain a steady even posture while working b Keep all parts of your body away from rotating wheel c Never raise the engine speed above the maximum spindle speed 3000 min rpm d If the unit start to shake or vibrate turn off the engine and check the whole unit Do not use it until
3. SCREW 1 17 2880 81470 SCREW 3 18 3310 81351 SCREW 4 19 848 C8A 80E1 e CHOKE SHAFT 1 20 1148 81390 RING 1 21 2670 81450 CHOKE VALVE 1 12 Parts list Fig 5 ACCESSORIES amp TOOL SET HC510DV S N 200101 and up 2894 91000 TOOL SET 41 2894 96810 Key Part Number Description Keyt Part Number Description Q ty 1 2894 92310 PLATE for 12 35 3350 96230 GUIDE OP 1 2 2894 68310 CLUMP 36 3350 96620 GUIDE OP 1 3 2894 68210 DUST HOSE 37 2670 96660 HOLDER OP 1 4 2894 68110 DUST BAG 38 3350 96240 GAUGE OP 1 5 3388 92110 MASK 39 2670 96410 WRENCH OP 1 6 6242 92110 GOGGLE 40 2810 96710 GUIDE OP 1 7 1 8 1 1 1 1 1 1 1 3345 91110 BAG 1 9 3320 91140 PLUG WRENCH 1 10 3582 91330 BAR 1 11 2670 91150 DRIVER 1 12 3388 91310 e WRENCH 13x17 1 13 0901 00810 SPANNER 8x10 1 14 09007 00528 e WRENCH 5 1 15 09007 00632 e WRENCH 6 1 16 2670 96310 WRENCH T25 1 17 2670 96320 WRENCH T20 1 31 2894 96000 SPACIAL TOOL SET OP 32 2890 96100 PULLER ASS Y OP 33 2616 96210 WRENCH 34 2670 96220 STOPPER l2 WRENCH OP 41 CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and KOMATSU ZENOAH are pleased to explain the emi
4. Remove the belt At this time a belt tensioner spring and a boss built into the cutting head come out together MA13 1 Clutch drum 3 Cutting head 5 Boss 2 Drive case 4 Spring ASSEMBLING PROCEDURE 1 Lay the belt inside the drive case temporarily Temporarily fix the cutting head with built in belt tensioner spring and a guide to the drive case using 3 nuts 9 Maintenance 2 Put the belt into a pulley groove on the main body Then engage fan drive spline axle of the drive case with splines on the main body 3 Assemble the drive case to the main body with 2 nuts and 4 screws 4 Put the belt into the cutting head pulley 5 Apply tension on the belt by screwing in the belt tensioner bolt to the end of the case 6 Tighten 3 nuts and fix stay bolt on the opposite side as original 7 Fit the belt cover and the pulley cover as original 8 Finally turn the cutter blade 1 2 times by hand and check belt tension by pushing it with a finger from backside of the drive case FAN DRIVE BELT BELT TENSION ADJUSTMENT AND EXCHANGE The belt is normal if it sags about 5mm by pushing the belt outward with a finger Apply following procedures if readjustment is required 1 Slacken 5 screws on the belt cover and remove the belt cover 2 Slacken centre bolt of an idler pulley 3 Apply plug wrench to a hex nut on belt adjustment plate and turn left counter clockwise to increase tension or right
5. clockwise to decrease tension MA14 1 Idler pulley 2 Belt adjustment plate 3 Belt 4 Bolt 5 Tighten 6 Slacken To exchange the belt fully loosen the belt by turning the belt adjustment plate right to the end and take it off IMPORTANT The belt for exchange shall be a genuine part Part No 2894 64710 9 Maintenance 4 Tighten the centre bolt of the idler pulley to fix the belt adjustment plate 5 Fit the belt cover as original ENGINE ADJUSTMENT MA15 WARNING It is dangerous if the cutter blade continues to turn even fingers are removed from the throttle lever In case it is not solved by readjusting an idle adjust screw with following procedure there are possibility of throttle lever failure or clutch failure Ask sales dealer for check and repair The carburetor on your unit has been factory adjusted but may require fine tuning due to change in operating conditions Before adjusting the carburetor make sure that provided are clean air fuel filters and fresh properly mixed fuel When adjusting take the following steps Be sure to adjust the carburetor with the cutter blade attached 1 H and L needles are restricted within the number of turn as shown below needle 0 1 4 L needle 0 1 4 2 Start engine and allow it to warm in low speed for a few minutes 3 Turn idle adjusting screw T counter clockwise so that saw chain does not turn If idling
6. cover of the machine Tighten the hose with a metal band securely 2 Insert the end of the dust hose to the inlet of dust bag and securely fix with a cord on the bag 1 Dust hose 2 Metal band 3 Dust bag 4 Tying Cord 7 Fuel WARNING Gasoline is very flammable Avoid smoking or bringing any flame or sparks near fuel Make sure to stop the engine and allow it cool before refueling the unit Select outdoor bare ground for fueling and move at least 3m 10ft away from the fueling point before starting the engine The RedMax engines are lubricated by oil specially formulated for air cooled 2 cycle gasoline engine use If RedMax oil is not available use an anti oxidant added quality oil expressly labeled for air cooled 2 cycle engine use JASO FC GRADE OIL or ISO EGC GRADE Do not use BIA or TCW 2 stroke water cooling type mixed oil RECOMMENDED MIXING RATIO GASOLINE 50 OIL 1 when using ZENOAH genuine oil 50 1 MIXING CHART GASOLINE gal 1 2 8 4 5 2 CYCLE OIL fl oz 2 6 52 7 8 104 13 GASOLINE liter 1 21314 5 2 CYCLE OIL ml 20 40 60 80 0 Exhaust emission are controlled by the fundamental engine parameters and components eq carburation ignition timing and port timing without addition of any major hardware or the introduction of an inert material during combustion These engines are certified to operate on unleaded gas
7. front guide tip is not contacting a work capture of dusts becomes insufficient and its dust collection performance is spoiled A front guide under the blade cover can slide For cutting operation press the front guide tip onto a work Dusts are sucked from the front guide tip and collected in a dust bag after passing through inside of the blade cover a dust collection fan and the dust hose The dust collection performance is dependable to cutting direction Before stating the operation refer OP7 and decide a cutting direction so that dusts are efficiently collected thorough the front guide Dust collection performance is spoiled if the dust bag is full with dusts or clogged with water At least once in every day remove the dusts in the dust bag by opening the fastener In case the bag is wet with water dry it thoroughly for next use 1 Front guide A Horizontal Cutting Move cutter back from forward B Vertical Cutting Move cutter downward 9 Maintenance MA1 Maintenance replacement or repair of the emission control device and systems may be performed by any non road engine repair establishment or individual A WARNING Be sure to stop the engine for check and maintenance Do not modify the machine nor disassemble the engine Use RedMax genuine or specified spare parts and oils AIR CLEANER The air cleaner is adhered with much dusts produced by a cutting operation At the
8. guide Case 1 Starting failure CHECK PROBABLE CAUSES ACTION fuel tank fuel filter carburetor adjustment screw sparking no spark spark plug incorrect fuel fuel filter is clogged out of normal range spark plug is fouled wet plug gap is incorrect disconnected 7 4 drain it and with correct fuel clean adjust to normal range clean dry correct GAP 0 6 0 7mm retighten Case 2 Engine starts but does not keep running Hard re starting CHECK PROBABLE CAUSES ACTION fuel tank carburetor adjustment screw muffler cylinder exhaust port air cleaner cylinder fin fan cover 2 incorrect fuel or staled fuel out of normal range carbon is built up clogged with dust clogged with dust 5 drain it and with correct fuel adjust to normal range wipe away wash clean When your unit seems to need further service please consult with our RedMax service shop in your area 12 Parts list HC510DV NOTE 1 Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and or replacement 2 KOMATSU ZENOAH does not warrant the machines which have been damaged by the use of any parts other than those specified by the company 3 When placing parts orders for repair and or replacement check if the model name and the serial number are applicable to those specified in the parts list then u
9. in short time As a guideline retraction of the recoil spring is that the reel can be turned 1 2 turns further with the rope completely drawn out 13 Reassemble the recoil case to the main body as original 10 Storage WARNING When discharging fuel be careful not to spill fuel and completely wipe off if spilled Also securely close a cap of storage tank IMPORTANT n case the machine is left for long time inside of the carburetor may be clogged and cause engine failure starting failure or poor output power During storage make fuel tank cap loose If it is tighten too much cap packing may deform by temporal change Remove the dust hose and the dust bag from the body 2 Open the dust bag fastener and remove internal dusts completely 3 Remove debris and dirt on the machine body 4 After discharging fuel from the fuel tank start the engine and run until it stops 5 Remove the spark plug and drop 1 2 cc of 2 cycle engine oil into the plug hole then pull the starter rope for 2 3 times After fitting the spark plug as original pull the starter rope and stop at compression position Fully slack the tension of pulley drive belt Fully slack the tension of fan drive belt Dismount the cutter blade After applying appropriate cover on the machine store it in an adequate place such as storage shelf keeping moisture dusts and children away ON 11 Troubleshooting
10. nearby before refueling Wipe spilled fuel completely using a dry rag if any fuel spillage occurs during refueling After refueling screw the fuel cap back tightly onto the fuel tank and then carry the unit to a spot 10feet 3m or more away from where it was refueled before turning on the engine WARNING CONSIDERING CUTTING BLADE a Diamond wheel use only Do not use abrasive wheels with this product Treat the wheel with special care Never roll drop or bump the wheel Use proper wheel for the cutting material Improper wheels may shatter or break exposing the operator to serious injury or death Check the wheel for broken loose or damaged parts before attaching it to the engine unit Repair or replace before using When replacing the blade run the engine without load in low speed for more than 3 minutes so as to check the unit for abnormal noise or vibration before the actual cut Never do the zigzag cut curve cut diagonal cut without guide or chape Never use the side surface of the wheel WARNING ON STARTING THE ENGINE a Check the condition and safety of working area and cutting object Remove any obstacle from working area Warning signs should be placed around the hazardous area within a perimeter of 50 feet of the operator into which no one should enter When work is to be performed simultaneously by two or more persons preconcert how to check 9
11. the trouble has been properly corrected e Keep the wheel always sharp While using the unit if the wheel won t cut well caused by clogging set the teeth of the saw by cutting concrete block clayware or sandstone f Avoid standing in a direct line with the cutting wheel g Never force to push off the wheel on the cutting object h Use only downward pressure on the saw as lateral pressure may cause the blade to brake and shatter 5 For safe operation J i j Do not cut above shoulder height If someone calls out while working or if you wish to continue work in another spot or if you want to check the unit always be sure to turn off the engine before making your next move Never touch the spark plug or plug cord while the engine is in operation Doing so may result in being subjected to an electrical shock Never touch the muffler spark plug or other metallic parts of the engine while the engine is in operation or immediately after shutting down the engine Doing so may result in serious burns MAINTENANCE SAFETY PRECAUTION a In order to maintain unit in proper working order perform the maintenance and checking operations described in this manual at regular intervals In the event that any parts must be replaced or any maintenance or repair work not described in this manual must be performed please contact a representative from the store nearest RedMax authorized servicing d
12. 0 CLIP 1 100 04065 03012 SNAPRING 1 38 2884 23310 GROMMET 1 101 2884 82131 MANIFOLD 1 39 2880 41110 PISTON 1 102 2884 82140 O RING 1 40 2880 41210 PISTON RING 2 103 2884 82153 SEAL 1 41 2880 41310 PISTON PIN 1 104 2810 82141 SUPPORTER 1 42 3350 41320 SNAP RING 2 105 2880 82210 SCREW 2 43 1400 41410 BEARING 1 106 2880 82410 ROD choke 1 44 2670 41510 WASHER 2 107 848 C80 82G0 GROMMET 1 45 2884 42000 CRANKSHAFT COMP 1 108 2670 82430 GUIDE 1 46 1000 43240 KEY 1 109 2880 82511 ROD throttle 1 47 2894 21280 PLATE 1 110 2884 82520 GROMMET 1 48 2670 25430 SCREW M5x10 2 111 2810 34303 FUEL PIPE ASS Y 1 112 2810 34312 1 51 2670 71101 ROTOR ASS Y 1 113 2810 34350 e COLLER 1 52 1850 75220 RATCHET 2 114 3302 85400 FILTER ASS Y 1 53 2670 71130 SPRING 2 115 2670 34401 TANK CAP ASS Y 1 54 0308 00040 RING 2 116 2670 34430 GASKET 1 55 0290 20820 WASHER 1 117 2884 34500 BREATER ASS Y 1 56 3350 43231 NUT 1 118 2850 34501 BREATER 1 57 2880 71300 COIL ASS Y 1 119 3356 34310 PIPE 1 58 2810 71204 COIL COMP 1 120 2670 82421 e GROMMET 1 59 2810 71220 CORD 1 60 2670 71230 GROMMET 1 37 12 Parts list Fig 3 POWER UNIT 2 HC510DV S N 200101 and up 55 38 Fig 3 POWER UNIT 2 HC510DV S N 200101 and up Keys Part Number Description Q ty Key Part Number Descriptio
13. 2894 66510 RETURN SPRING 1 57 2670 14320 SCREW M5x14 3 124 2894 66460 SPRING PIN 1 58 2894 62100 GEARCASE COMP 1 125 2894 66610 RETURN SPRING 1 59 0305 00512 e PIN 2 126 2894 66820 NUT 1 60 2884 62310 SEAL 1 127 2894 66630 SPACER 1 61 2884 62320 SEAL 1 128 01252 60620 BOLT 1 62 06000 06001 BEARING 3 129 2894 66650 NUT 1 63 06000 06002 BEARING 2 130 2894 66660 WASHER 1 64 06000 06201 BEARING 1 181 01252 60620 BOLT 1 65 04065 03212 e SNAPRING 1 132 2894 66680 STOPPER BOLT 1 66 2884 62380 e STUD 2 133 01252 60620 BOLT 1 67 0230 50825 STUD 1 134 T2069 65150 LABEL caution 1 68 2884 62410 GASKET 1 69 2850 14220 BOLT M5x20 4 70 2884 62430 SCREW M5x25 4 71 2884 62450 O RING 1 72 07005 00812 WASHER 1 35 12 Parts list Fig 2 POWER UNIT 1 HC510DV S N 200101 and up 36 Fig 2 POWER UNIT 1 HC510DV S N 200101 and up Key Part Number Description Q ty Part Number Description Q ty 1 2884 12110 CYLINDER 1 61 2810 72110 CAP 1 2 2884 14100 VALVE ASS Y 1 62 1400 72121 SPRING 1 3 3388 23110 GROMMET 1 63 2670 71320 TUBE 1 4 2880 14111 PIPE 1 64 2810 71250 GROMMET 1 5 2880 14120 SPRING 1 65 2670 14220 SCREW M5x20 2 6 2880 14150 GUIDE 1 66 2670 71510 CORD 1 7 2670 14311 BRACKET 1 67 72069 71600 SWITCH ASS Y 1 8 2670 14320 SCREW M5x14 2 9 2880 14350 SPACER 1 71 2670 14130 S
14. 848 C8X 93A1 60 OWNER OPERATOR MANUAL HC510DV Dust Collection Type WARNING Diamond wheel use only Do not use abrasive wheels with this product A WARNING Q PNEU The engine exhaust from this product Before using our products please contains chemicals known to the State read this manual carefully to of California to cause cancer birth understand the proper use of your defects or other reproductive harm unit APPLICABLE SERIAL NUMBERS 200101 and up SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury and for this reason you are requested to read all such instructions carefully and follow them without fail WARNINGS IN THE MANUAL WARNING This mark indicates instructions which must be followed in order to prevent accidents which could lead to serious bodily injury or death IMPORTANT This mark indicates instructions which must be followed or it leads to mechanical failure breakdown or damage This mark indicates hints or directions useful in the use of the product CONTENTS 1 Parts location 4 2 Specifications 4 3 Warning labels on the machine 5 4 Symbols on the machine
15. ANTY DOES NOT COVER THOSE PARTS REPLACED BY NORMAL WEAR OR HARMLESS CHANGES IN THEIR APPEARANCE THERE ARE NO OTHER EXPRESS WARRANTIES IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO NINETY 90 DAYS FOR COMMERCIAL USE THIRTY 30 DAYS FOR RENTAL USE FROM THE ORIGINAL DELIVERY DATE LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE UNDER ANY AND ALL WARRANTIES ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS OR EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE IF YOU NEED TO OBTAIN INFORMATION ABOUT THE NEAREST SERVICE CENTER PLEASE CALL RedMax KOMATSU ZENOAH AMERICA INC AT 770 381 5147 IMPORTANT YOU WILL RECEIVE A WARRANTY REGISTRATION CARD AT TIME OF PURCHASE PLEASE FILL OUT THE CARD AND SEND IT TO RedMax KOMATSU ZENOAH AMERICA WITHIN SEVEN 7 DAYS BE SURE TO KEEP A COPY FOR YOUR RECORDS KOMATSU ZENOAH AMERICA INC ai 4344 Shackleford Road Suite 500 Norcross Georgia 30093 RedMax Garantie limit e Pi ces en rapport avec les missions de gaz d chappement RedMax KOMATSU ZENOAH AMERICA INC par l interm diaire de n importe quel revendeur RedMax r parera gratuitement ou remplacera gratuitemen
16. CREW 1 10 2880 14361 GASKET 1 72 3699 90512 SPARKPLUG BPM8Y 1 11 2670 14211 GASKET cylinder 1 73 2810 21270 PLATE 1 12 2850 14220 BOLT M5x20 4 74 0260 30410 SCREW 2 13 2810 15220 BOLT 2 75 2884 75000 STARTER ASS Y 1 14 2850 15230 NUT M5 2 76 2810 75110 CASE 1 15 2810 15113 MUFFLER 1 77 2810 75120 GUIDE 1 16 2670 14130 SCREW M5x10 1 78 2810 75150 BOSS 1 17 3356 15210 GASKET 1 79 2670 75212 REEL 1 18 2880 82310 GUIDE I 1 80 3317 75300 SPRING COMP 1 19 2880 82350 GUIDE HL 1 81 2884 75410 ROPE 1 20 2884 21000 CRANKCASE ASS Y 1 82 1400 75170 KNOB 1 21 3356 21130 SPRING PIN 3 83 3310 75431 WASHER 1 22 74012 21240 BEARING 2 84 1400 86280 WASHER 1 23 04065 03515 SNAP RING 1 85 2670 14220 SCREW M5x20 1 24 2670 21210 SEAL 1 86 2880 75600 FAN COVER COMP 1 25 2670 21220 SEAL 1 87 2670 14320 SCREW M5x14 3 26 2884 21230 STUD 2 88 T2069 75130 LABEL 1 27 2670 21250 ELBOW 1 28 2810 22511 STOPPER 1 91 2616 51202 CLUTCH ASS Y 1 29 2810 22521 STOPPER 1 92 2616 51210 CLUTCH PLATE 1 30 2670 21311 GASKET 1 93 3350 51231 SPRING 1 31 2670 21320 SCREW M5x25 4 94 2894 51310 COLLAR 1 32 2810 22210 PIPE 1 95 2884 51330 SPACER 1 33 3310 82230 CLIP 1 96 2894 51350 WASHER 1 34 2810 22411 MAT 1 97 01240 00616 SCREW 1 35 3388 23110 GROMMET 1 98 2894 51100 CLUTCH DRUM ASS Y 1 36 3330 23121 VALVE 1 99 06004 06200 BEARING 1 37 3350 2623
17. Centrifugal Clutch Belt Pulley Gear Blade Rotating Direction Clockwise From Clutch Side View R duction an 222422022 2 210200 4 1 Max Spindle Speed CDD LOT DON LOI I LIIS 3100 min rpm Vibration Isolation Mechanism 8 Point Support Vibration Free Handle System Dust Collection Mechanism Turbo Fan Drive Forced Dust Collection System Applicable Cutter Blade Type 0 type diamond blade 12 in 305mm 14 in 355mm Maximum Cut in Depth by 14 in Blade Re PE 135 mm Specifications are subject to change without notice 4 3 Warning labels on the machine p WABNING dangerous Cutters can be D Before using the product please read the manual carefully to understand the proper use of your unit Be careful The blade begins to rotate immediately after starting the engine D Adjust the blade cover The air cleaner is dry type angle so as not hit cutting Clean it by air jet crumbs on your foot Use the of regular oe engine before the grade gasoline and quality proven motor oil for air 8 Never use the product when Wel you cnn naan 0 5 For 12 amp 14 diamond Steady wheel use only Do not use abrasive wheels with this Cut Off Saw When using the products you should wear proper clothing and protective equipment as protection goggle antidust musk ear protectors helmet safety shoes a
18. EN 1 86 T2069 63210 WASHER 1 15 2670 14220 SCREW M5x20 6 87 2884 63220 SPACER 1 16 2894 64501 IDLER PULLEY COMP 1 88 T2069 63310 WASHER 1 17 2894 64610 SHAFT idler 1 89 2884 63350 BOLT 1 18 2894 64620 CAM PLATE 1 19 01643 30623 WASHER 1 101 T2069 65100 COVER ASSY 1 20 01252 60614 BOLT 1 102 T2069 65110 BLADECOVER 1 21 2894 64710 BELT 1 103 01252 60510 e BOLT 1 22 2894 64811 COVER BELT 1 104 2894 65210 SEAL for 14 2 23 2670 14320 SCREW M5x14 5 105 2894 65220 PLATE 2 24 T2069 64850 LABEL 1 106 2670 25430 e SCREW 4 25 2891 61730 LABEL 1 107 3388 23110 GROMMET 1 26 2670 21320 SCREW M5x25 1 108 72069 65120 e COVER UPPER 1 27 2894 61180 SCREW M5x55 2 109 2670 14320 e SCREW 7 28 3350 53410 NUT M8 2 110 2670 14220 e SCREW 1 29 2884 61310 COVER pulley 1 111 01252 60620 BOLT 5 30 2884 61320 PLATE 1 112 2894 66110 FRONT GUIDE R 1 31 2670 14130 SCREW M5x10 2 113 2894 66120 FRONT GUIDE L 1 32 3350 53410 NUT M8 3 114 2894 66150 CUSHION 1 33 01643 30823 WASHER 1 115 2894 66210 JOINT BOLT 1 34 2884 61510 V BELT 1 116 2894 66220 NUT 2 117 2894 66250 JOINT BOLT 1 51 2894 61610 SPRING 1 118 2670 14130 SCREW 1 52 2894 61620 GUIDE 1 119 2894 66310 ROLLER 2 53 2894 61640 BOLT M8x60 1 120 2894 66400 SLIDE GUIDE COMP 1 54 2894 61650 GUIDE NUT 1 121 2894 66450 ROLLER 2 55 3350 43231 NUT 1 122 2894 66460 SPRING PIN 1 56 2894 61710 COVER spring 1 123
19. RANSPORTING THE UNIT TO AND FROM THE RedMax DEALER THE PURCHASER SHALL NOT BE CHARGED FOR DIAGNOSTIC LABOR WHICH LEADS TO THE DETERMINATION THAT A WARRANTED PART IS DEFECTIVE IF THE DIAGNOSTIC WORK IS PERFORMED AT THE RedMax DEALER THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTENANCE AS DEFINED BY THE MANUFACTURER IN THE OWNER OPERATOR MANUAL ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE OR WHICH IS SCHEDULED ONLY FOR REGULAR INSPECTION TO THE EFFECT OF REPAIR OR REPLACE AS NECESSARY SHALL BE WARRANTED FOR THE WARRANTY PERIOD ANY WARRANTED PART WHICH IS SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PERIOD OF TIME UP TO THE FIRST SCHEDULED REPLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON WARRANTY MAINTENANCE OR REPAIRS AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAILURE OF A WARRANTED PART STILL UNDER WARRANTY THE WARRANTY DOES NOT APPLY TO THOSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF INSTRUCTION LISTED IN THE OWNER OPERATOR MANUAL FOR PROPER USE AND MAINTENANCE OF THE UNITS ACCIDENTAL MISHANDLING ALTERATION ABUSE IMPROPER LUBRICATION USE OF ANY PARTS OR ACCESSORIES OTHER THAN THOSE SPECIFIED BY THE COMPANY OR OTHER CAUSES BEYOND THE COMPANY S CONTROL THIS WARR
20. Y 1 58 2670 14130 SCREW M5x10 2 59 2884 32250 SPACER 1 60 2670 21320 SCREW M5x25 1 61 2810 33007 RIGHT HANDLE ASS Y 1 62 2810 33102 HANDLE COMP 1 65 848 C80 33Y0 PLUG 1 66 2810 33280 DAMPER 1 67 2670 75520 SCREW TP4x16 1 68 2810 33211 GASKET 1 69 2670 33311 LEVER 1 70 3356 33321 SPRING 1 71 04025 00524 SPRING PIN 1 72 3356 33352 ARM 1 73 2670 34110 COVER 1 74 2671 32210 SCREW TP5x19 1 75 2880 35111 DAMPER 4 76 2670 35120 SCREW TP5x16 4 77 2810 35150 4 78 2880 35211 DAMPER 2 79 3350 35170 BOLT 2 39 12 Parts list Fig 4 CARBURETOR HC510DV S N 200101 and up Pd n gt 5 7 9 am 14 RP 27 56 46 Sse Key Part Number Description Keys Part Number Description Q ty 1 848 C8X 8101 CARBURETOR ASS Y WT 648A 24 848 C80 81Z1 LEVER 1 2 3306 81380 SCREEN 1 25 848 C80 80D0 SPRING 1 3 2810 81120 COVER 1 26 1751 81190 WASHER 1 4 3310 81130 SCREW 1 27 848 C80 89D0 e LEVER 1 5 72050 06020 e GASKET 1 6 3310 81230 LEVER 1 7 3310 81240 SCREW 1 8 2841 81270 SPRING 1 9 3310 81250 PIN 1 10 3310 81280 COVER 1 11 3356 81310 INLET VALVE 1 12 3356 81340 THROTTLE VALVE 1 13 2670 81410 SPRING 1 14 T2108 81370 THROTTLE SHAFT 1 15 2630 81460 SPRING 1 16 2670 81430
21. e engine is started lightly pull the throttle lever and unlock the start setting button 17 8 Operation In case of cold start of the engine apply 1 2 minutes of warming up operation before use STOPPING ENGINE WARNING In an emergency immediately stop the engine Even after stopping the engine the cutter blade continues to turn awhile by inertia Do not touch the blade until it is fully stopped Do not touch a muffler or the spark plug by bare hands immediately after stopping the engine There is a danger of burn for its high temperature Return the throttle lever and operate for a while at low speed 2 OFF the power switch 1 ON 2 OFF 3 Switch IMPORTANT Stopping operation at high engine speed causes extra stress on the engine Except for emergency reduce the engine speed by returning the throttle lever and then apply stop operations 8 Operation OP6 CUTTING OPERATION For cutting hold the machine in your body centre and lead the dust hose through both legs Lightly bend the knees and keep a stable posture When applying the cutter blade to a work start with low speed to form a guide notch and then cut with full throttle IMPORTANT Do not forcedly press the cutter blade during cutting It may end up with quick wear of blade or troubles on a drive mechanism FOR AN EFFICIENT CUTTING OPERATION n case the
22. ealer for assistance Under no circumstances should you ever take apart the product or alter it in any way When replacing any parts or when replacing the oil or any lubricants always be sure to use only RedMax products or products which have been certified by RedMax On checking or servicing be sure to wear thick sturdy gloves and use only proper tools and equipment shut off the engine and remove the spark plug wire to prevent injury AFTER USING THE SAW a b Remove the cutting wheel when transporting the unit Store the unit with cutting wheel removed safely away from children 6 Set up SE1 WARNING Use adequate cutter blades suited to materials to be cut Use of inadequate cutter blades may cause irregular wear of blades poor cutting performances or irregular overheating etc Continuance of those inadequate operations may damage the blades and cause serious accidents CHANGE OF DUST STOPPER IMPORTANT To apply 12 inch blades the dust stopper L on the engine starter side shall be exchanged with an attached 12 inch version before fitting blades n case the dust stopper is unchanged dust collection performances become poor 1 14 inch version dust stopper 2 Screw 3 Mounting bracket a Remove 14 inch version dust stopper b Fix 12 inch version dust stopper 1 Remove a dust stopper fixed left inside of the blade cover 2 Remove a stop
23. end of day s operation be sure to check and clean it as follows 1 Remove 2 screws above the air cleaner cover and remove the cover 2 Remove 2 screws above a top plate and remove the plate 3 Remove a main filter together with a felt filter 4 Remove the felt filter from the main filter 5 Remove adhered dusts on the main filter by tapping the edge of the filter on a hard plane for example IMPORTANT The main and felt filters are of dry type Do not wet with water nor apply oils Those will degrade the performance Do not apply high pressure air blows or a wire brush to clean the main filter These will quicken clogging or damaging of the filter 6 Dusts adhered on the felt filter are removed by gently needing it For heavy contamination wash in warm detergent water and dry thoroughly Then reassemble to the main filter as original 1 Air cleaner cover 2 Top plate 3 Felt filter 4 Main filter 9 Maintenance MA2 0 6 0 7mm lt lt ce gt lt S i ISS X lt SS M IX IS D 22 C CES SOS ME IMPORTANT Clogging of air filter reduces engine performances Inside of an engine will quickly wear by dusts if an air cleaner cover is not correctly fitted or if a filter is missed deformed or damaged Avoid dusts to penetrate into the engine when removing the air filter Cover an air inlet with a cloth after removing the filter To keep the engine
24. is slippery or when other conditions exist which might make it not possible to maintain a steady posture 2 At night at times of heavy fog or at any other times when you re your field of vision might be limited and it would be difficult to gain a clear view of the area 3 During rain storms during lightning storms at times of strong or gale force winds or at any other times when weather conditions might be unsafe 4 When you cannot fix cutting material 5 Near the combustible materials such as petrol gas wood dry grass etc When planning your work schedule allow plenty of time to perform the work of cutting and allow plenty of time for rest Limit the amount of time over which this unit is to be used continuously to somewhere around 10 minutes per session and take 10 20 minutes of rest between work sessions Also try to keep the total amount of work performed in a single day under 2 hours or less Operating this unit over a long period of time 7 5 For safe operation exposes the operator to Whitefinger disease This condition produces numerous burning sensations and interferes with the ability to feel and regulate temperature Get medical advise at once if you experience these symptoms h Be sure to keep this manual handy so that you may refer to it later whenever any questions arise i Always be sure to include this manual when selling lending or otherwise transferring the ownership of this prod
25. jours pour toute utilisation en location compter de la date originale de livraison Les responsabilit s pour les dommage cons quents ou incidents sont exclues de toutes les garanties Certaines provinces n autorisant pas les limitations la dur e des garanties implicites ou les exclusions ou limitations relatives aux dommages incidents ou cons quents la limitation indiqu e ci dessus peut ne pas vous tre applicable Cette garantie vous donne des droits juridiques sp cifiques et vous pouvez galement jouir d autres droits variant d une province l autre Si vous d sirez obtenir des informations sur le centre de service le plus proche veuillez appeler RedMax KOMATSU ZENOAH AMERICA INC au 770 381 5147 Note importante vous recevrez une carte d enregistrement de garantie au moment de l achat Veuillez la remplir et l adresser RedMax KOMATSU ZENOAH AMERICA sous sept 7 jours en prenant soin de conserver une copie pour vous KOMATSU ZENOAH AMERICA INC ax 4344 Shackleford Road Suite 500 Norcross Georgia 30093
26. n Q ty 1 2884 31110 COVER cylinder 1 80 2880 35250 CAP 2 2 2670 14320 SCREW M5x14 5 81 2894 53110 BRACKET 1 3 2884 82603 PLATE COMP 1 82 2894 53120 PLATE inner 1 4 2884 82630 SEAL 1 83 2670 55410 SCREW M4x14 2 5 2884 82640 SEAL plate 1 84 2894 53210 DAMPER 1 6 2670 14320 SCREW M5x14 4 85 2894 53310 STAND 1 7 2884 83100 CLEANER COMP 1 86 2670 14130 SCREW M5x10 3 8 2884 83121 ELEMENT 1 87 2894 53410 BRACKET 1 9 2884 83301 PLATE ASS Y 1 88 2671 32210 SCREW TP5x19 2 10 2884 83320 BRACKET 1 89 2894 53450 STAND end 1 11 2880 32270 SCREW 1 90 2670 35120 SCREW TP5x16 2 12 3310 31720 BOLT M5x14 2 91 2894 53510 STAND 1 13 2884 83410 COVER COMP 1 92 2884 53550 SCREW M5x40 2 14 T1000 13170 BOLT M5x18 1 93 3310 53331 NUT 2 15 2813 31210 LABEL 1 94 01252 60614 BOLT M6x14 1 16 T2069 85310 LABEL 1 95 2894 53710 BRACKET under 1 17 T2069 85320 LABEL 1 96 2671 32210 SCREW TP5x19 2 18 2884 83610 HOLDER 1 97 2894 54110 BRACKET 1 19 2884 83620 ELEMENT 1 98 2894 54120 BOSS 1 20 2670 75520 SCREW 3 99 2894 54210 BOLT 1 21 T2062 31410 LABEL EPA 1 100 2670 14320 SCREW M5x14 1 101 2670 21320 SCREW M5x25 2 51 2884 31310 DAMPER 1 102 01643 30823 WASHER 1 52 2884 31321 STAY 1 103 01010 80820 BOLT M8x20 1 53 2670 14130 SCREW M5x10 1 54 2670 14320 SCREW M5x14 2 55 2894 32100 LEFT HANDLE COMP 1 56 2671 32210 SCREW TP5x19 2 57 2884 32210 STA
27. n those slacken bolt and nuts as original BELT EXCHANGE As the belt wears out correct tension cannot be maintained just by its adjustment In such a case ask your sales dealer to exchange or purchase new belt and exchange in following procedure IMPORTANT The belt for exchange shall be a genuine part Part No 2884 61510 DISASSEMBLING PROCEDURE 1 Slacken 2 screws and remove a pulley cover 2 By plug wrench slacken 3 nuts which are holding the cutting head MA9 1 Cutting head 2 Pulley cover 9 Maintenance Kg x We NS 3 Slacken a stay bolt on opposite side and remove together with a washer MA10 1 Stay 2 Washer 3 Bolt 4 Slacken a semi auto tensioner bolt using angle wrench Push the cutting head toward the engine while swinging it up and down to slacken the belt tension MA11 1 Push toward the engine 2 Bolt 3 Slacken 5 Remove the belt out from groove of pulley on the cutting head 6 Remove a belt cover on the drive case 7 Slacken and remove 4 screws and 2 nuts which are fixing the drive case on the main body MA12 1 Drive case 3 Pulley 2 Drive belt 4 Belt cover 8 As removing the drive case and cutting head together from the main body remove the belt out from a pulley on the main body 9 Slacken 3 nuts which are fixing the cutting head then separate the drive case and the cutting head
28. nd antislip gloves GASOLINE 50 1 OIL KOMATSU ZENUAH Nominal arbor hole 3100 min A WARNING noe Game Diamond wheel use only 355mm 14 Do not use abrasive wheels with this Cut Off Saw When changing the blade make sure to securely tighten the blade fixing screw Betore using the product please read the manual carefully to understand the proper use of your unit IMPORTANT If warning label peel off or become soiled and impossible to read you should contact the dealer from which you purchased the product to order new labels and affix them in the required location s WARNING Never modify your machine We won t warrant the machine if you use the remodeled machine or you don t observe the proper usage written in the manual 4 Symbols on the machine TE Is b PULL 1 69 6 0 7 MV IMPORTANT ENGINE INFORMATION THIS ENGINE CONFORMS TO U S EPA PH1 FOR SMALL OFF ROAD ENGINES ENGINE FAMILY 3KZXS 0494LM EM ENGINE DISPLACEMENT 49 3cm REFER TO OWNER S MANUMAL FOR MAINTE NANCE SPECIFICATIONS AND ADJUSTMENTS MANUFACTURED ZENOAH KOMATSU ZENOAH CO RedMax Made in Japan WARNING For safe operation and maintenance symbols are indicated on the machine According to these indications please be careful not to take a mistake a The port to refuel the MIX GASOLINE Position FUEL TANK CAP b Choke will close when pulling the choke kn
29. o to avoid fire keep clean the muffler area This engine is an air cooling type If cooling air inlet or cylinder fins are choked with debris the engine may overheat and cause troubles Check and remove debris from time to time MA4 1 Air Inlet 2 Cylinder fin IMPORTANT When the spark plug or air filter is removed for cleaning cover the fixing hole or the air inlet with cloth to avoid dusts The covers shall be reassembled correctly as original Failure in assembling may result in irregular wear or damage of components by machine vibrations BLADE DRIVE BELT On the starting inspection check tension and wear status of a blade drive belt Adjust or exchange it if necessary Belt Tension The belt is normal if it sags about 5mm by pushing the belt outward with a finger MA5 1 Blade drive belt 9 Maintenance MA6 This machine is equipped with a spring loaded semi automatic tensioner Therefore by slackening cutting head fixing nuts and bolts correct tension is always maintained MA6 Apply following procedures if readjustment is required 1 Cutting head 2 Spring 3 Drive case 1 Slacken 3 pieces of flange nuts which are holding the cutting head MA7 1 Slacken 2 Slacken a bracket bolt on the starter side MA8 1 Slacken 3 By up and down the cutting head several times belt tension is regulated automatically by a spring force 4 Tighte
30. ob Position CHOKE KNOB c It indicates the start I and stop O direction Position SWITCH INFORMATION IMPORTANTE CONCERNANT LE MOTEUR Ce moteur conformc aux normcs U S EPA PH1 pour les petits moteurs tout terrain Type de moteur 3KZXS 0494LM EM Cylindr e du moteur 49 3cm Se r f rer au Manuel de l utilisateur pour les sp cifications d entretien et les r glages Manufactur ZENOAH KOMATSU ZENOAH RedMax Made in Japan 5 For safe operation BEFORE USING THE MACHINE a Cut off saws are high speed cutting tools and very dangerous to operate therefore it is very important that you read and fully understand the contents of the owner s manual before using This unit has been designed for use in cutting concrete products stone and cast iron pipe at outside construction site Never use this product for any other purpose since doing so could result in unforeseen accidents and injuries occurring You must be certain that your physical and mental condition is satisfactory to operate this unit Never attempt to operate it under the influence of drugs or alcohol or when fatigued Never allow children or anyone unable to fully understand the directions given in this manual to use this machine Avoid running the engine indoors The exhaust gases contain harmful carbon monoxide Never use this unit under circumstances like those described below 1 When the ground
31. oline Make sure to use gasoline with a minimum octane number of 89 RON USA Canada 87AL If you use a gasoline of a lower octane value than prescribed there is a danger that the engine temperature may rise and an engine problem such as piston seizing may consequently occur Unleaded gasoline is recommended to reduce the contamination of the air for the sake of your health and the environment Poor quality gasolines or oils may damage sealing rings fuel lines or fuel tank of the engine HOW TO MIX FUEL IMPORTANT Pay attention to agitation 1 Measure out the quantities of gasoline and oil to be mixed Put some of the gasoline into a clean approved fuel container Pour in all of the oil and agitate well Pour In the rest of gasoline and agitate 7 Fuel again for at least one minute As some oils may be difficult to agitate depending on oil ingredients sufficient agitation is necessary for the engine to last long Be careful that if the agitation is insufficient there is an increased danger of early piston seizing due to abnormally lean mixture 5 Put a clear indication on the outside of the container to avoid mixing up with gasoline or other containers 6 Indicate the contents on outside of container for easy identification FUELING THE UNIT 1 Untwist and remove the fuel cap Rest the cap on a dustless place 2 Put fuel into the fuel tank to 80 of the full capacity 3 Fasten
32. or a part has failed due to abuse neglect improper maintenance or unapproved modification You are responsible for presenting your small off road engine to a KOMATSU ZENOAH distribution center as soon as a problem exists The warranty repairs should be completed in e reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact KOMATSU ZENOAH AMERICA INC at 770 381 5147 or you can write to KOMATSU ZENOAH AMERICA INC 4344 Shackleford Road Suite 500 Norcross Georgia 30093 RedMax LIMITED WARRANTY EMISSION RELATED PARTS FOR TWO 2 YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE UNIT RedMax KOMATSU ZENOAH AMERICA INC THROUGH ANY RedMax DEALER WILL REPAIR OR REPLACE FREE OF CHARGE FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND OR WORKMANSHIP EMISSION RELATED PARTS ARE THE CARBURETOR ASSEMBLY COIL ASSEMBLY ROTOR SPARKPLUG AIR FILTER FUEL FILTER INTAKE MANIFOLD AND THE GASKETS ALL OTHER PARTS EXCEPT ABOVE PARTS FOR NINETY 90 DAYS FOR COMMERCIAL USE THIRTY 30 DAYS FOR RENTAL USE FROM THE DATE OF ORIGINAL PURCHASE THE COMPANY THROUGH ANY RedMax DEALER WILL REPAIR OR REPLACE FREE OF CHARGE FOR THE ORIGINAL PURCHASER ANY PART OF PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND OR WORKMANSHIP THIS IS THE EXCLUSIVE REMEDY THE PURCHASER SHALL BEAR COSTS OF T
33. per element from a dust stopper mounting bracket Properly fix an attached 12 inch version stopper element on the mounting bracket 3 Reassemble the dust stopper to the blade cover as original Securely keep the removed dust stopper element as it is required for 14 inch blade operations 6 Set up MOUNTING OF CUTTER BLADE WARNING The flange bolt shall be securely fixed Fixing torque 266 434 in Ibs 30 50 N m Insufficient fixing of the bolt may cause brake away of the blade and is extremely dangerous 1 Unscrew a flange bolt and remove flange washer A 2 Mount a cutter blade on flange washer B aligning its centre hole correctly with a projection of the washer Holding the blade with flange washer A screw in the flange bolt 1 Cutter blade 2 Flange bolt 3 Flange washer A 4 Flange washer B 3 Insert an attached bar 6mm diameter to a hole on pulley cover as shown in the left Fig Slowly turn the blade to find a hole on a belt pulley and apply locking of the pulley 4 Securely tighten the flange bolt with an attached eye wrench of 17mm diagonal size Specified torque 266 434 in Ibs 30 50 N m 1 Pulley cover 2 Cutter blade 3 Bar 4 Flange bolt 5 Eye wrench 6 Tighten IMPORTANT These attached tools must be used also to remove the cutter blade FITTING DUST HOSE AND DUST BAG 1 Connect an attached dust hose on an exhaust outlet behind a fan
34. performance change the air filter at every 20 hours of operation SPARK PLUG WARNING Do not touch the spark plug by bare hands immediately after stopping the engine There is a danger of burn for its high temperature About every 25 hours of operation remove the spark plug and clean contaminant on electrodes with a wire brush etc Applicable gap between the electrodes is 0 6 0 7mm Use specified spark plug for exchange Specified Spark Plug BPM8Y IMPORTANT Electrodes of the spark plug are contaminated by over sucking of fuel or by poor quality oil This may cause the engine start difficult FUEL FILTER About every 25 hours of operation remove a fuel filter from the fuel tank and remove adhered debris In case the filter is clogged exchange with a new one Care should be taken not to bend a fuel pipe when setting the filter back into the tank 1 Fuel filter 9 Maintenance MA5 IMPORTANT In case the fuel filter is clogged or the fuel pipe is bent engine speed may not increase or may become unstable COOLING AIR PASSAGE WARNING Do not touch the cylinder muffler or spark plug by bare hands immediately after stopping the engine There is a danger of burn for its high temperature On the starting inspection check the muffler and clean if there are adhered wood chips or dry leaves Those may cause overheating of the muffler Als
35. quelle est seulement pr vue une inspection p riodique pour remplacement ou r paration si n cessaire sera garantie pour la p riode de garantie Toute pi ce garantie arriv e l ch ance de son premier remplacement pr vu sera garantie jusqu celui ci Toute pi ce de rechange quivalente en performance ou en durabilit peut tre utilis e pour l entretien hors garantie les r parations hors garantie et ce sans r duire l obligation de garantie incombant la soci t La soci t sera tenue responsable des dommages aux autres composants du moteur caus s par la d faillance de pi ce s garantie s en p riode de garantie La garantie ne s applique pas aux unit s endommag es par suite de n gligence dans la mise en oeuvre des instructions sp cifi es dans le manuel du propri taire de l utilisateur en vue d une utilisation et d un entretien correct fausse manceuvre accidentelle modification utilisation abusive lubrification incorrecte utilisation de pi ces ou d accessoires autres que ceux sp cifi s par la soci t ou autres causes hors du contr le de la soci t Cette garantie ne couvre pas les pi ces remplac es en raison de leur usure normale ou de changements d apparence sans effets II n existe aucune autre garantie explicite Les garanties implicites y compris la valeur marchande et la valeur d usage pour une utilisation particuli re sont limit es 90 jours pour toute utilisation commerciale 30
36. r right side of the machine for choke closing OP2 1 Switch 2 Choke knob 3 OPEN 4 CLOSE 8 Operation OP4 In case of restarting immediately after stopping the engine pull the starter knob with the choke knob pushed in choke open 4 Push in a decomp valve on right side of the machine OP3 1 Decomp valve In case a starter rope felt to be heavy check if the decomp valve is pushed in 5 Place the machine on stable ground and confirm that there is no obstacle around the cutter blade As in the left Fig securely hold the machine with left hand and right foot and pull the starter knob Pull the knob lightly in the beginning and then hard when it becomes heavy OP4 IMPORTANT Do not fully pull out the rope at once or let the knob go for free return as those may cause failure of the starter 6 When initial combustion noise is heard pull the throttle lever slightly to return the choke knob to the first stage position press the decomp valve and pull the starter knob again IMPORTANT By pulling the starter rope repeatedly with choke knob pulled out position the engine may have difficulty to start due to excess fuel In case the engine does not start though the rope is repeatedly pulled push in the choke knob and pull the rope until it starts Otherwise remove a spark plug to dry its electrode and reassemble Try again the starting operation 7 When th
37. reel bore exchange for new components 5 Remove the rope from the reel 6 Make a knot in end of new rope and lead it through a reel hole from outside Pull the rope hard to engage the knot into a reel pit and put end of the knot into a reel notch MA19 1 Notch IMPORTANT In case the rope knot is too large or the rope end is protruded from the reel the rope retraction may become difficult 7 After leading the rope through a guide of recoil case align a notch in the back of reel with end of the coil spring Assemble a spacer and the reel to the recoil boss By turning the reel left and right engage the reel notch with the spring end 8 Put a washer on the recoil boss and fix the Screw as original 9 Lead the rope through a guide hole on the starter case starter knob and a washer and make a knot double overhand knot MA20 10 Pull out the rope from a notch in the reel rim and turn the reel 4 5 turns clockwise MA21 1 Notch 11 Holding the reel with left hand pull out the rope with right hand Ease the left hand and let the 29 9 Maintenance rope slowly be retracted to the reel 12 Pull the rope 2 3 times to confirm if it is fully retracted If it is not fully retracted pull it out halfway and while holding the reel with left hand hitch the rope to the reel notch and turn additional 2 3 turns clockwise IMPORTANT Excessive turns of reel cause overload on the coil spring and may break it
38. se parts number described in the parts list 4 The contents described in the parts list may change due to improvement 5 The parts for the machine shall be supplied seven 7 years after the machine is discontinued It is possible that some specific parts may be subject to change of their delivery term and list price within the limit of seven 7 years after the machine is discontinued It is also possible that some parts may be available even after the limit of seven 7 years Aug 2006 APPLICABLE SERIAL NUMBERS 200101 and up 12 Parts list Fig 1 CUTTER UNIT HC510DV S N 200101 and up Fig 1 CUTTER UNIT HC510DV S N 200101 and up Key Part Number Description Part Number Description Q ty 1 2894 61100 CASE COMP 1 73 01010 80810 BOLT M8x10 1 2 01252 60510 BOLT 1 74 2884 62500 SHAFT COMP 1 3 06004 06001 BEARING 4 75 2884 62600 GEAR COMP 1 4 2670 21220 SEAL 1 76 2884 62710 BEARING 1 5 2894 64110 SHAFT inlet 1 77 2884 62720 WASHER 2 6 2894 64120 PULLEY 1 78 2884 62800 SHAFT COMP 1 7 2894 64210 FAN 1 79 2885 63110 PULLEY 1 8 2894 64250 SPACER 1 80 2884 63120 SPACER 1 9 2894 64300 SHAFT COMP 1 81 0290 20820 WASHER 1 10 01643 30823 WASHER 1 82 3350 43231 NUT 1 11 3350 43231 NUT 1 83 2884 65710 PLATE end 1 12 2894 64410 COVER fan 1 84 2894 65730 END RING 1 13 2894 64420 SEAL 1 85 2670 25430 SCREW M4x10 3 14 2894 64450 SCRE
39. soline etc described therein if may not be covered by the warranty 8 Operation OP1 OP2 STARTING ENGINE 4 WARNING Before starting the engine check if there is any problem such as loose fitting of cutter blade or fuel leakages Place the machine on the ground and hold securely when starting Do not start the engine while hanging it by one hand because the cutter blade may contact with the ground or other obstacles As the engine starts with throttle lever locked in a starting position the cutter blade starts to turn at the same time Avoid the cutter blade from contacting the ground and keep surrounding obstacles away Confirm if the cutter blade stops to turn when the throttle lever is fully retarded In case the blade continues to turn stop the operation and adjust or maintain to the proper operation To avoid accidents do not lock the throttle lever during operation Be sure to hold the handle by both hands during operation Left hand shall always hold a front handle with the thumb downward IMPORTANT Continuous high speed idling will apply extra load to the engine Release the throttle lever when cutting operation is not continued Especially during a running in period avoid high speed idling as the engine is exposed to a heavy load 1 Apply fuel in a tank and secure a cap OP1 1 Fuel inlet 2 Fuel tank cap 2 Power switch to ON position 3 Pull a choke knob on rea
40. speed is too slow turn the screw clockwise 9 Maintenance 4 Make a test cut adjust the H needle for best cutting power not for maximum speed Standard Idle Speed 2300 2700 rpm 1 Idle adjust screw T 2 Low speed needle L 3 High speed needle H 9 Maintenance STARTER ROPE EXCHANGE 4 WARNING When exchanging the starter rope pay attention so that built in recoil spring does not jump out Mistake in operation may end up with injury to the eye etc by jumped out spring The starter rope wears and deteriorates with usage In case the rope becomes shaggy or partially worn suggest exchanging it soon to avoid rope cut on operation site To exchange rope ask sales dealer or obtain RedMax genuine part and go through following procedure 1 Remove a recoil case from the machine MA16 1 Recoil case 2 Pull out the starter rope and make a temporary knot in the middle Pull out the rope from the starter knob and unknot its end knot MA17 1 Starter rope 2 Temporary knot 3 Starter knob 4 Washer 3 Unknot the temporary knot and slowly retract the rope 4 After removing a reel fixing screw take out a reel spacer and washer from the recoil case while holding a recoil spring by left hand MA18 1 Recoil spring 2 Reel 3 Spacer 9 Maintenance 21 In case irregular wear is observed a recoil boss or
41. ssion control system warranty on your 2005 and later small off road engine In California new small off road engines must be designed built and equipped to meet the state s stringent anti smog standards KOMATSU ZENOAH must warrant the emission control system on your small off road engine for the periods of time listed below provided there has been no abuse neglect or improper maintenance of your small off road engine Your emission control system may include parts such as the carburetor and the ignition system Where a warrantable condition exists KOMATSU ZENOAH will repair your small off road engine at no cost to you including diagnosis parts and labor Manufacturer s warranty coverage The 2005 and later small off road engines are warranted for two years If any emission related part on your engine is defective the part will be repaired or replaced by KOMATSU ZENOAH Owner s warranty responsibilities As the small off road engine owner you are responsible for the performance of the required maintenance listed in your owner s manual KOMATSU ZENOAH recommends that you retain all receipts covering maintenance on your small off road engine but KOMATSU ZENOAH can not deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small off road engine owner you should be aware however that KOMATSU ZENOAH may deny you warranty coverage if your small off road engine
42. t pour l acheteur initial et chaque acheteur successif toute s pi ce s se r v lant de constitution et ou de montage d fectueux pendant deux 2 ans compter de la date initiale de livraison d une unit Les pi ces en rapport avec les missions de gaz d chappement sont l assemblage carburateur l assemblage bobine le rotor la bougie le filtre air le filtre carburant la tubulure d admission et les joints Toutes les pi ces autres que celles mentionn es ci dessus 90 jours pour toute utilisation commerciale 80 jours pour toute utilisation en location compter de la date d achat initial La soci t par l interm diaire d un distributeur RedMax r parera ou remplacera toute s pi ce s sans frais et au b n fice de l acheteur original en prenant en charge les frais de pi ces et ou de main d ceuvre Telles sont les limites de la garantie Le co t du transport de l unit jusqu au revendeur RedMax et depuis celui ci sera la charge de l acheteur L acheteur ne supportera pas le co t de main d oeuvre du diagnostic qui am ne la conclusion qu une pi ce garantie est d fectueuse si ce diagnostic est effectu chez le revendeur RedMax L acheteur ou propri taire a pour responsabilit d effectuer l entretien obligatoire tel que d fini par le fabricant dans le manuel du propri taire de l utilisateur Toute pi ce garantie dont le remplacement n est pas pr vu dans le cadre de l entretien obligatoire ou pour la
43. the fuel cap securely and wipe up any fuel spillage around the unit WARNING 1 Select bare ground for fueling 2 Move at least 10feet 3meters away from the fueling point before starting the engine 3 Stop the engine before refueling the unit At that time be sure to sufficiently agitate the mixed gasoline in the container FOR YOUR ENGINE LIFE AVOID 1 FUEL WITH NO OIL RAW GASOLINE It will cause severe damage to the internal engine parts very quickly 2 GASOHOL It can cause deterioration of rubber and or plastic parts and disruption of engine lubrication 3 OIL FOR 4 CYCLE ENGINE USE It can cause spark plug fouling exhaust port blocking or piston ring sticking 4 Mixed fuels which have been left unused for a period of one month or more may clog the carburetor and result in the engine failing to operate properly 5 In the case of storing the product for a long period of time clean the fuel tank after rendering it empty Next activate the engine and empty the carburetor of the composite fuel 6 In the case of scrapping the used mixed oil container scrap it only at an authorized repository site As lot details of quality assurance read the description in the section Limited Warranty carefully Moreover normal wear and change in product with no functional influence are not covered by the warranty Also be careful that if the usage in the instruction manual is not observed as to fhe mixed ga
44. uct WORKING GEAR AND CLOTHING a When using this unit you should wear proper clothing and protective equipment as follows 1 Sturdy long pants and sturdy long sleeved shirt 2 Helmet 3 Anti dust goggles 4 Anti dust musk 5 Vibration proof non slip gloves 6 Steel toed safety boots 7 Ear protectors b And you should carry with you things as follows 1 2 3 4 Attached tools Properly reserved fuel Spare wheel Things to notify your working area Rope warning signs WARNING Never cut any material containing asbestos without using a respirator specifically approved for that purpose Some materials throw off dangerous sparks when cut You should wear non flammable clothing and gloves free of fuel oil or grease under these conditions WARNING CONSIDERING HANDLING OF FUEL 1 The engine of the RedMax product is designed to run on a mixed fuel which contains highly flammable gasoline Never store cans of fuel or 5 For safe operation refill the tank of the unit in any place where there is a boiler stove wood fire electrical sparks welding sparks or any other source of heat or fire which might ignite the fuel Never smoke while operating the unit or refilling its fuel tank When refilling the tank always turn off the engine and allow it to cool down Take a careful look around to make sure that there are no sparks or open flames anywhere
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