Troy-Bilt 52051 Trimmer User Manual
Contents
1. 5 dealer or call the Factory Step 5 Check Trimmer Head Hardware 5 We want to be sure that you are completely satisfied at all times SECTION 3 FEATURES AND CONTROLS 6 Note Be sure to fill out and return the Warranty SECTION 4 OPERATION 7 Registration Card that was supplied with this Manual Pre Start Checkit ic dete cle cabs 7 Fill Full Tank sees ieissa 7 Adjust Handlebar Height cceccesseeseeeeseeeeeeeeees 7 Adjust Cutting Height seeen 8 Using the Trimmer Head Control Bail 8 See Back Cover for Operating the Trimmer MOWE nn 9 Customer Service Information Trimming and Mowing Techniques and Tips 10 SECTION 5 MAINTENANCE REPAIRS 11 Required Maintenance Schedule s s s 11 Adjusting Trimmer Head Engagement 12 Removing and Replacing the Trimmer Head 12 Inspecting Replacing the Drive Belt 13 Safety Alert Symbol Belt Performance Troubleshooting eeeee ee 14 aS er Cleaning and Debris Removal sesser 14 This is a safety alert symbol It is used in this Changing Trimmer Mower Lines eee ee 15 A manual and on the unit to alert you to poten Cleaning the Engine Foam Debris Filter 16 tial hazards When you see this symbol read General LMBFICAM ont aca am cia dence 16 and obey the message that follows it F2. Slowly close the control bail D Figure 4 6 against the handlebars to activate the trimmer head The faster the engine throttle control is set at the faster the trimmer head line will re volve Use higher speed settings for the toughest jobs Use lower speeds and lighter weight line where preci sion cutting is required And experi ment 3 Once the trimmer head is revolving push the trimmer mower along the path to be cut To Stop the Trimmer Head Let go of the control bail D Figure 4 6 It will return to its open position and the trimmer head will stop turning To Stop the Engine Put the engine ON OFF switch in the OFF position If time allows first move throttle lever to SLOW setting before stopping engine WARNING If the control bail is not oper ating properly shut off the engine disconnect the spark plug wire and move wire away from plug Adjust or repair the control bail before using the trim mer mower Failure to follow this instruc tion could result in personal injury or property damage Figure 4 6 Section 4 Operation TRIMMING amp MOWING TECHNIQUES AND TIPS Trim When Wet or Dry Grass and most other materials are most efficiently trimmed when dry But the trimmer mower will do a fine job even with damp or wet materials When conditions are moist or damp be sure to clean debris off the machine regularly to keep cutting efficiency high A
3. 1915212 Deflector Shield Rod 1 7 1916853 Decal LOgo A sses 1 31 1185304 E RING 5 16 Lee ea eae 2 1916854 Decal Logo B eeeceeeeseeeeeseeeteseetens 1 32 1915205 Belt COVED eeii pan aiaiai 1 8 A Engine Quantum Std A 1 33 1915290 Push In Fastener n 5 Engine Quantum Electric B 1 34 1915967 Engine Cover Support v decal 1 9 1915965 Decal Cover Support 0 1 35 1916994 Engine Cover w decals A 1 12 9301 Key 316 XS Qi irning 1 36 1916995 Engine Cover w decals B 1 13 1915240 Pulley 4 OD ce kuch cbse 1 37 1915320 Space et here hii ob ict 4 14 1915276 Engine Debris Guard Foam 1 38 1904478 Service Kit includes Ref 14 spark plug 15 1915304 O Ring Engine Debris Guard 1 fuel stabilizer air filter element pre air 16 1916571 Engine Debris Guard eee 1 filter element and v belt N I 17 1910835 Wire Harness B n se 1 39 9677 Set Sre onanie aiai 1 18 1909647 Battery Brie ene ninia tes 1 40 94018 Washan arra n a ii 2 19 1909697 Battery Connector B oo 1 41 9218 Clip asenne n Ea 2 20 1915268 Battery Pad B oseese 1 42 9719 Socket Hd Capscrew 1 4 20 X 1 1 21 1915204001 Battery Bracket B secere 1 43 1185814 Toplock Nut 1 4 20 ece 1 22 90063 Hex Hd Flange Screw 5 16 18 x 1 3 23 1768194 Hex Hd Flange Screw 3 8 16 x 1 1 2 3 24 17541
4. align the handle bar ends with the handlebar support B C Route the cable C Fig 2 2 to the outside of the handlebars D Select either the low or high height setting holes most people prefer the low setting in the handlebar legs and attach the handlebars with the two screws D and locknuts E from the hardware bag Use two 1 2 wrenches E Use the cable tie F Fig 2 2 from the hardware bag to secure cable C to handlebar at the location shown Figure 2 2 Handlebar installation Section 2 Assembly STEP 3 Add Motor Oil A CAUTION Do not overfill the engine with motor oil as engine damage could result A The unit s engine was shipped without motor oil which MUST BE ADDED before the engine is started B See the Engine Owner s Manual you received for filling instructions and for the correct oil specifications for your engine Engine must be level when checking oil level In ambient tempera tures above 40 F use a high quality SAE 30 weight detergent oil classified for Service SF SG or SH Use no spe cial additives Do not mix oil with fuel C Lift or slide plastic debris shield P Figure 2 3 up and tilt it forward to ac cess engine dipstick oil fill hole R D Add oil according to the instruc tions in the Engine Owner s Manual E Lift and tilt the plastic debris shield back and push it down to secure it Figure 2 3 Lift and tilt engine debris shield forwar
5. and safety literature mos Warranty Service The warranty statement is included in the unit s literature package Model Serial Numbers A Model Number Serial Number decal is located at the rear of the product see figure below For ready reference record these numbers in the spaces below Date of purchase Model Serial Numbers Look here for Model Serial Numbers Customer Service and Technical Service If you have questions or problems with the unit contact your local dealer or call or write to the factory When calling or writing the factory provide the model serial number of the unit ZES Replacement Parts Factory specified replacement parts are available from your authorized dealer or di rectly from the factory Engine Service and Repair For engine service or repair contact your nearest authorized engine dealer look in the Yellow Pages under Engines Gasoline The engine is warranted by the engine manufacturer Any unauthorized work per formed on the engine during the warranty period may void this warranty For com plete details on the engine warranty refer to the engine owner manual Authorized Dealer Information If you purchased your unit from an authorized dealer record the dealer s address and phone number below for ready reference Dealer Name Address Phone For customer assistance contact your nearest authorized dealer or GARDEN WAY INCORPOR
6. follow the instructions given here Belt Inspection Stop the engine and let all moving parts stop Disconnect the spark plug wire and move it away from the spark plug Remove the ignition key on elec tric start models A For your convenience we recom mend that you place the trimmer mower on a raised platform to make access to the underside of the deck as easy as possible B Remove the rubber debris flap A Figure 5 4 by using pliers to remove either one of the small E rings B at the ends of the retainer rod and then sliding the retainer rod out C Remove the rear belt cover by using a 1 2 wrench to remove the sin gle screw C Figure 5 4 in the rear belt cover Examine the belt carefully Feed it around the rear pulley so the entire belt can be examined If cracks or other damage are noted a new belt is needed Otherwise clean and re place the belt cover and debris flap Belt Replacement D Remove the spindle head by taking off the large hex nut A Figure 5 5 at the bottom of the spindle using a 3 4 socket wrench While loosening the nut hold the spindle head secure by in serting a screwdriver or rod into hole B Figure 5 6 at the top front of the deck Be sure to align one of four holes in the pulley with the deck hole first E With a 1 2 wrench remove the screw D Fig 5 4 securing the front belt cover spindle mounting plate Then remove the other four screws holding the belt cover spin
7. of deck Section 2 Assembly A WARNING To prevent personal injury or property damage do not at tempt to start the engine until all assembly steps are com plete and you have read and understand all of the safety and the operating instructions in this Manual Introduction Carefully follow these assembly steps to correctly prepare your machine for use It is recommended that you read this section in its entirety before begin ning assembly NOTE If an assembly step applies only to certain models those models are noted at the beginning of that step Otherwise a step applies to all models Inspection After Delivery Inspect your machine immediately after it has been delivered Make sure that neither the carton nor the contents have been damaged If you find or suspect any damage contact the carrier trucking company right away Inform them of the specific damage and that you wish to file a claim To protect your rights be sure to put this in writing to the carrier within 15 days after your machine ar rives Please let us know if you need assistance with this matter IMPORTANT Motor oil must be added to the engine before starting The correct procedure for adding motor oil is explained in this Section Tools Supplies Needed e One Utility Knife or Scissors e Two 1 2 wrenches e SAE 30 weight motor oil e Unleaded gasoline STEP 1 Unpack Check Contents Remove and discard all protective packaging ma
8. or property damage Figure 5 14 GENERAL LUBRICATION Apply grease light oil or silicone based lubricant to your machine so parts work more smoothly and are protected from the elements The following are general guidelines Light Grease e Wheel axle shaft pivot points Silicone base Spray Lubricant or light oil e Throttle control cable if so equipped Control bail cable e Nuts bolts and other hardware NOTE The spindle head is perma nently lubricated at the factory There is no need for additional lubrication COMPACT STORAGE For compact storage of the unit re move the two screws and locknuts se curing the handlebar and carefully to avoid kinking the cable rotate the han dlebar so that the upper portion rests on the engine and the handlebar legs face to the rear of the unit GENERAL ENGINE MAINTENANCE Perform the following engine mainte nance for your engine according to the engine maintenance schedule and in structions in the separate Engine Owner s Manual Check engine oil level e Add oil to engine e Change engine oil In order to change the oil debris flap and belt cover removal are required to access the oil drain plug e Inspect the air cleaner e Inspect the spark arrester muffler if so equipped e Inspect the spark plug OFF SEASON STORAGE When storing the trimmer mower for extended periods follow these proce dures to ensure that the trimmer mower wi
9. spoke sisses 2 14 1111606 Hex Head Bolt 5 16 18 X 2 2 2 1915823 Wheel St denta 2 15 1186331 Hex Flange Screw 5 16 18 X 1 4 3 1915824 Wheel Mounting Bracket 2 17 9901 Washer 5 16 ID asese 2 5 1733398 Top Lock Nut 3 8 16 oo 2 13 1744708 Hex Lock Nut 5 16 18 8 24 Models 52051 and 52052 TRIM HEAD ASSEMBLY Ref Part Description Qty 1 1910863 Shoulder Washer cece 1 2 1910861 Spindle Had eee 1 1 3 1915857 Trimmer Head iiien eniaas 1 4 Trimmer String see Ref 1 and 2 below LL 5 1910862 Hex Spline Washer 0 cece 1 2 6 1915220001 Wear Cup sessies 1 7 1915239 Vas ner tecno it eds ls 1 8 1904308 Hex Flange Nut 1 2 13 1 4 4 ACCESSORIES AND KITS Ref Part Description Qty Ref Part Description Qty 1 1904476 Trimmer String Kit 155 includes 3 5003 Safety Goggles 0 ececeeeeeeeeeeeees 1 24 pieces ii tissai arsa eas N I 4 1768449 Battery Charger Electric Start Model 1 2 1904477 Trimmer String Kit 130 includes 24 pieces ninsi N I N I Not included with unit order separately 1 2 3 4 A od 00 25 CUSTOMER SERVICE INFORM ATION Owner Registration Card Please fill out and mail the enclosed owner registration card The purpose of this card is to register each unit at the factory in order to keep the owner informed with informational bulletins
10. 28 Hex Hd Flange Screw 1 4 20 x 3 4 2 4 Order parts from your local Briggs and Stratton engine dealer Refer to engine for model type number Quantity of 3 for Model 52052 only Quantity is 1 for Model 52051 A B N I Model 52051 Model 52052 Not included with unit order separately 21 Trimmer Mower Parts List HANDLEBAR ASSEMBLY Models 52051 and 52052 HANDLEBAR ASSEMBLY Ref Part Description Qty Ref Part Description Qty 1 1915963 Upper Handlebar w decal 1 14 1763682 Cable TIC item dines 2 2 1915889 Bail Decal ioiii iiion 1 17 1910809001 Lower Handlebar B eesse 1 3 Ref No Not Used 1910809001 Lower Handlebar A n se 1 4 1975270001 Ball atic iii aena 1 18 oo Ref No Not Used 5 1749977001 Cable Bracket usses 1 19 1100799 Hex Hd Screw 5 16 18 x 1 1 2 Gr 5 2 6 none Ref No Not Used 20 1732499 Lock Nut 5 16 18 naseer 2 7 1908677 Nyliner BUSHING eeeeteeeeeteeeteeeees 2 21 1904406 Decal Keyswitch B essee 1 9 1908673 Retaining Ring external 312 I D 1 22 1900455 Ignition Switch B occ 1 10 1910852 Control Cable ccc 1 23 1187950 Lockwasher 5 8 B sessen 1 11 soos Ref No Not Used 24 92018 Hex Nut 5 8 32 B oseese 1 12 1983658 Hex Hd Screw 1 4 20 X 1 1 8 1 25 96520 Ignition Key A c ccceeeeseeeteteeteteteteeees 1 13 1185814 Top Lock Nut 1 4 20 ossee 1 A Model 52051 B Mod
11. ATED 1 Garden Way e Troy New York 12180 Customer Service 1 800 437 8686 Technical Service 1 800 520 5520 e Parts Service 1 800 648 6776 e FAX 518 391 7332 Outside the United States and Canada Customer Service 518 391 7007 Technical Service 518 391 7008 Parts Service 518 391 7006 e FAX 518 391 7332 Form 1905371 4 99 Printed in U S A 1999 Garden Way Incorporated
12. Contact local engine dealer Contact local engine dealer Replace battery Battery charger does not charge battery electric start models Broken battery lead Broken battery charger wire Dead battery 18 Replace battery lead Replace battery charger Replace battery Parts Ordering Information If you need service or parts For service assistance or parts contact your local authorized dealer or the factory Your local dealer or the factory service department vvill need to know the model serial numbers of the unit to provide the most efficient service See the back cover for information on how to identify and record the identification numbers for the unit When ordering parts be sure to provide the following e Serial Number and Model Number of your unit e Parts number of the part needed e Part description e Quantity needed If you need engine service or parts For engine service or parts contact your local authorized en gine dealer Look in the Yellow Pages of the phone book under Engines Gasoline for the name of your nearest au thorized engine dealer An authorized engine dealer can han dle all parts repairs and warranty service concerning the engine Note All replacement parts must conform to our rigid quality speci fications Although some replacement parts we provide may vary slightly in shape color or texture from the original parts any variations will no
13. EMOVAL Thorough and regular cleaning of de bris from around the engine and on the machine is required for maximum en gine efficiency and good overall perfor mance Inspect and clean the following areas regularly Brush and wipe off all engine surfaces especially before checking oil or adding fuel Do not let oil or grease accumulate For access to the front of the engine the debris shield can be lifted up and tilted forward e Wipe the deck clean particularly near the engine muffler e Keep safety and operating decals clean and legible e Clean the underside of the deck e Keep all operating control levers debris free so they work properly e Loosen the clamp plates securing the trimmer lines remove the lines clean thoroughly under the plates in the grooves then replace the trimmer lines Hint Use a pipe cleaner Section 5 Maintenance Repairs A serious personal injury or property damage CHANGING TRIMMER MOWER LINES Replace the trimmer lines when they wear to the point that trimming and mowing projects take too long and re quire too much movement A good rule of thumb is to change the lines when they reach half their original length To Change Trimmer Lines 1 Stop engine allow all moving parts to stop and then disconnect the spark plug wire and move it away from the spark plug Remove the ignition key on electric start models DO NOT tip the machine DO NOT touch the metal wear cup o
14. GARDEN VAY 4 TROVENLT Owner s Manual Trimmer Mower Safety Assembly Features Controls Operation Maintenance Parts List Models 52051 4HP Sid 52052 4 5 HP Elec N Recoil Start Model Shown GARDEN WAY INCORPORATED Dear Owner Table of Contents You now own one of the finest trimmer mowers available It was designed to easily handle a wide vari SECTION 1 SAFETY ccceeseeeeeeeeeeeeeeeseeeeeeeeeeees 1 ety of trimming mowing and clearing chores General Operation emeeee rara nena 1 You will find the Trimmer Mower to be an invaluable Slope Operation miosina E 2 tool in caring for your property CMON eis rerin rester eao aaepe ir AEEA EEE e 2 SENVICE sssslescvccssbdevess etlevictaabesodetdterscevetiencuetedeils 2 Please carefully read this Manual which tells you how to safely and easily assemble operate and main Safety Decals 0 cecceceecescseseseeeceeeseeeteeetsteeteneseenenees 3 tain your machine Be sure that you and any other op I erators carefully follow the recommended safety prac sea cepts a sluice nc nels don centes debe doves 4 tices at all times Failure to do so could result in per Say y i eae Sencar Bar hae ee ad oa et sonal injury or property damage oe L a a V AAA Of course if you should ever have any problems or Step 3 Add Motor Oi amat agent aacusntes 5 questions please contact your local authorized service Step 4 Connect Battery Wires Charge Battery
15. HECK ENGINE OIL LEVEL moving parts have come to a complete stop Remove ignition CHECK TRIMMER MOWER LINES key on electric start models CHECK TRIMMER HEAD ENGAGEMENT Failure to follow these instruc tions can result in personal in ENGINEMACHINE CLEANING jury or property damage CHECK NUTS AND BOLTS CHANGE ENGINE OIL front and rear of the machine are SERVICE AIR FILTER SYSTEM NOTE All references to left right determined by standing behind the CLEAN OUT BELT COVER handlebars and facing the direction of forward travel GENERAL LUBRICATION ses We ES INSPECT DRIVE BELT EE a Ee CLEAN ENGINE FOAM DEBRIS FILTER Je la CHECK WEAR CUP RE heed Chart 5 1 NOTE 1 New line replacement is suggested when old line is 50 or less of original length NOTE 2 Change oil after first two hours of new operation thereafter every 25 hours NOTE 3 Clean daily if used in extremely dusty or dirty conditions NOTE 4 Clean before using machine and at each fuel refill NOTE 5 Service more often if used in extremely dusty or dirty conditions NOTE 6 Replace when severe gouges exist on bottom surface 11 Section 5 Maintenance Repairs A serious personal injury or property damage ADJUSTING TRIMMER HEAD ENGAGEMENT A To test for correct belt tension en gage the control bail while the engine is running If correct the trimmer head will rotate when the control bail is pulled back fully against the handleb
16. a new belt After shutting the engine off and disconnect ing the spark plug wire remove the rear belt cover on the underside of the machine refer to previous page The handlebar control bail must be released to remove all belt tension 1 Belt must be routed between pulleys and guides Examine inside surface of belt If belt is cracked or peeling unbolt and lower spindle mounting plate and proceed with this step The pulley system has two belt guides The belt must run between the pulleys and the guides If routed in correctly re route belt as shown in Figures 5 8 and 5 9 Use masking tape to temporarily hold belt in place while reattaching the spindle mounting plate 2 Minimum clearance is 1 4 on each side between rear belt guide and pulley If the rear belt guide Figure 5 9 is less than 1 4 from the sides of the pulley with the bail engaged loosen the belt guide hardware move guide to create clearance of at least 1 4 then tighten hardware 3 Both idler pulleys must be mounted right side up The two idler pulleys shown in Figure 5 10 are correctly installed note that the longer hub on each pulley is against the idler arm If the pulleys are upside down turn them over and tighten them securely Belt Guide Spindle Mounting am a Front Pulley Ss orf Vs 1 4 Gap Figure 5 9 Idler Arm Figure 5 10 14 En CLEANING AND DEBRIS R
17. ailure COMPAGH SORA ruc neiaa nn 16 to obey safety messages could result in personal injury General Engine Maintenance eeeeeeeeeeeeeee 16 or property damage Off Season Storage 16 Battery Recharging ccccsccseeeseteneteteeesneeeeneeaes 17 Battery Replacement nesrin 17 TrOUDICSNOOTING 0 sesinin 18 PARTS LIST rics eu cece cee i a aia 19 25 CUSTOMER SERVICE INFORMATION Back Cover A WARNING The engine exhaust from this product contains chem icals known to the state of California to cause can cer birth defects or other reproductive harm Section 1 Safety SPARK ARRESTER WARNING TO RESIDENTS OF CALIFORNIA AND SEVERAL OTHER STATES Under California law and under the laws of several other states you are not permitted to operate an internal combustion engine using hydrocarbon fuels on any forest covered brush covered or grass N covered land or on land covered with grain hay or other flammable agricultural crop without an en gine spark arrestor in continuous effective working order The engine on your power equipment like most outdoor power equipment is an internal combustion engine that burns gasoline a hydrocarbon fuel Therefore your power equipment must be equipped with a spark arrestor muffler in continu ous effective working order The spark arrester must be attached to the engine exhaust system in such a manner that flames or heat from the system will not ignite fla
18. ar B If belt tension is too loose the trim mer head will move slowly or not at all and squealing from belt slippage may be heard when the bail is engaged C If belt tension is too tight the trim mer head will rotate before the control bail is moved or when there is no free play in the bail D To make an adjustment to belt ten sion shut off the engine let all moving parts stop completely and adjust the position of the two nuts on the stud shown in Figure 5 2 as described next 1 To tighten belt tension close the bail move the upper nut A Figure 5 2 upward then move the lower nut B upward To loosen belt ten sion move the lower nut down and then the upper nut down Tighten both nuts securely 2 If adjustments over time move the nuts to the top of the threaded stud the cable bracket C can be moved down the handlebar to the next hole This permits a new range of adjust ments Figure 5 2 Belt tension adjustment WARNING Before inspecting cleaning or servicing the unit shut off engine wait for all parts t to come to a complete stop disconnect spark plug wire and move wire away from spark plug Remove ignition key on electric start models Failure to follow these instructions can result in uty JE REMOVING amp REPLACING THE TRIM MER HEAD A Stop the engine and wait for all moving parts to stop Disconnect spark plug wire and move it away from the spark plug Remove the ignition k
19. ate your trimmer mower Checklist Before Starting 1 Complete the Pre Start Checklist in this section of the Manual You must wear safety glasses or goggles 2 Check that the line cutting height is adjusted according to the instructions Starting the Engine 1 Move the trimmer mower to the work area 2 Connect the spark plug wire to the spark plug if not connected 3 Put on safety approved eye protection 4 Start the engine as follows Recoil Start Model a Put the engine ON OFF switch A Figure 4 5 in the ON position b Move the engine throttle lever B Figure 4 5 all the way forward to the FAST Rabbit position c Push in the fuel primer button C Figure 4 5 as instructed in the Engine Owner s Manual NOTE Priming is usually not needed to restart a warm engine However cool weather may require that priming be used d Pull recoil start rope slowly until resistance is felt Then pull rope out rapidly to start engine Let rope back in slowly Repeat if necessary Electric Start Model Follow Steps 1 2 3 4a 4b and 4c given previously e Turn the ignition keyswitch to the START position to start the en gine Use short starting cycles 15 seconds per minute to ex tend starter life When released the key will automatically move to the RUN position Power Up the Trimmer Head 1 Stand in the operator s position directly behind the handlebars 2
20. ction on slopes Avoid slopes greater than 15 Remove objects such as rocks tree limbs etc Uneven terrain could overturn the machine Watch for holes ruts or bumps Tall grass can hide obstacles Use slow speed Use extra care with grass catchers or other attachments These can change the stability of the machine Keep all movement on the slopes slow and gradual Avoid starting or stopping ona slope o DO NOT Do not mow near drop offs ditches or embankments You could lose footing or balance Do not mow on very steep slopes Do not mow on wet grass Slippery footing can be hazardous Ill Children Tragic accidents can occur if the op erator is not alert to the presence of children Children are often attracted to the trimmer mower and the mow ing activity Never assume that chil dren will remain where you last saw them 1 Keep children out of the mowing area and under the watchful care of a responsible adult 2 Bealert and turn trimmer mower off if children enter the area 3 Before and while moving back wards look behind and down for small children 4 Never allow children to operate the mower 5 Use extra care near blind corners shrubs trees or other objects that may obscure vision 6 Never carry children even with the trimmer head stopped Children may fall off and be seriously in jured or interfere with safe ma chine operation 7 Do not allow children nearby if
21. d A DANGER e Wet conditions can cause an electric shock hazard dur ing battery charging Avoid wet conditions when charging Recharging the battery with improper equipment could cause a battery explosion Use only the battery charger shipped to you All parts must be fully stopped and the spark plug wire disconnected and moved away from the spark plug Failure to comply could result in personal injury or property damage STEP 4 Connect Battery Wires and Charge Battery electric start model only A Connect wire lead T Fig 2 4 from the battery S to the connector U on the main wire harness Align connec tors so wire colors are in line Press both plastic connectors together securely B To charge the battery the battery charger shipped to you must first be connected to the wire harness at loca tion V Fig 2 5 Then plug the charger box W Fig 2 5 into a grounded 120V wall outlet C Initially charge battery for 24 hours before using electric starter After charging unplug the charger from the wall outlet first then disconnect the wire harness V Fig 2 5 Prior to and after removing machine from win ter storage also charge battery for 24 hours Figure 2 4 ee Figure 2 5 STEP 5 Check Trimmer Head Hardware Check the tightness of the hardware securing the trimmer head at two loca tions X Figure 2 6 and the hardware that secures the line clamps at tw
22. dle mount ing plate on E F Gand H Fig 5 4 Lower the drive housing and the belt cover spindle mounting plate carefully Note precisely how the belt is routed along the pulleys See Figure 5 7 Work the belt off the rear pulley H Figure 5 7 then off the other pulleys NOTE The nut on the idler arm V pul ley must be removed in order to take off the belt The screw may need to be held with an allen wrench Install the new belt along the very same path F Clean parts of all debris Replace the lower driveshaft housing and front belt cover spindle mounting plate the spindle head the wear cup the rear belt cover and the debris flap G Check for correct belt tension See Adjusting Trimmer Head Engagement in this Section Figure 5 5 Figure 5 6 ENGINE PULLEY Figure 5 7 Section 5 Maintenance Repairs A WARNING Before inspecting cleaning or servicing the unit shut off engine wait for all parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Remove ignition key on electric start models Failure to follow these instructions can result in serious personal injury or property damage BELT PERFORM ANCE TROUBLESHOOTING Sub par belt performance noise overheating cracking etc can be caused by several situations Follow the steps below to correct belt perfor mance problems Also use these checks after installing
23. duty green line 130 dia which provides a higher quality level of cut This lighter weight line is also recom mended near trees or ornamentals to help prevent girdling cutting the bark USING THE TRIMMER HEAD CONTROL BAIL After the pre starting checkups are complete gasoline is added to the fuel tank handlebar height is adjusted and trimmer line height is selected it is es sential to know how to use the control bail to start and stop the trimmer head Here s how to operate this control A The trimmer head control bail A Figure 4 3 is used to start and stop trimmer head motion B Leave the control bail in the disen gaged released position when start ing the engine to prevent the trimmer head from turning when the engine starts C When the engine is running pull and hold the control bail up against the handlebar Figure 4 4 to activate the trimmer head D Let go of the control bail to stop the trimmer head The control bail should spring forward to the disengaged posi tion If it doesn t do not use the ma chine until the control bail has been repaired Figure 4 1 HEIGHT GUIDE Figure 4 2 Figure 4 4 Section 4 Operation OPERATING THE TRIMMER MOWER Once you have read and understood the sections in this Manual on Safety Features and Controls Assembly and Operation you are ready to start and oper
24. e or incorrectly gapped spark plug Fuel tank empty Dirty carburetor or fuel line Dirty air cleaner Carburetor out of adjustment Engine flooded Engine Throttle Lever in incorrect position Stale gasoline Defective Engine Throttle Lever Dirt or water in fuel tank OC CO CO AI CO OI BE CO NN Reconnect wire Inspect replace spark plug Add fuel Clean carburetor or fuel line Clean or replace Adjust carburetor See Engine Service Dealer Wait several minutes before starting Move Throttle Lever to FAST position Drain old fuel and add fresh fuel See Engine Service Dealer See Engine Service Dealer Engine runs poorly Bad spark plug Dirty air filter Carburetor out of adjustment Stale fuel Dirt or water in fuel tank Engine cooling system clogged Inspect replace spark plug Clean or replace Adjust carburetor Drain and replace fuel mixture See Engine Service Dealer Clean fins Engine overheats Engine cooling system clogged Carburetor out of adjustment Clean air cooling areas and behind debris shield Adjust Carburetor See Engine Service Dealer Engine does not shut off Defective engine On Off switch 4HP Model See Engine Service Dealer Poor mowing performance Line length is too short or too long Cutting height is too high or low for height of g
25. eck their proper operation regularly 6 To reduce fire hazard keep mower free of grass leaves or other debris build up Clean up oil or fuel spills Let machine cool before storing 7 After striking an object stop the engine and disconnect the spark plug wire Inspect the trimmer mower and repair if necessary before restarting 8 Never make adjustments or repairs while engine is running 9 Components subject to wear damage and deterioration could ex pose moving parts or allow objects to be thrown Frequently check compo nents and replace with factory recom mended parts when necessary Regularly inspect the trimmer head 4 CAUTION Read Owner s Manual before operating this machine If you need a replacement manual write to the address listed on the serial number decal on this unit ROTATING CUTTING HEAD Do not service or adjust cutting head or other moving parts unless engine is stopped and spark plug wire is disconnected Keep trimmer head foam debris guard deck and other surface areas clean Before cleaning shut off engine and disconnect spark plug IMPORTANT Do not operate this machine with debris shield open At top of clear plastic shield facing operator A WARNING THROWN OBJECT HAZARD Objects such as rocks pebbles and small debris will be thrown violently by the cutting head resulting in significant hazard to eyes and exposed body parts Keep children pets and bystanders 50 feet a
26. el 52052 SPINDLE PLATE ASSEMBLY Ref Part Description Qty 1 1910850001 Spindle Mounting Plate 1 2 1910839 Spindle Assembly 1 3 1915477 Spindle Shaft Assembly Incl Ref 25 1 4 1910860001 Belt Guide 1 5 1910856 Spindle Spacer oo eee 1 6 1910842 Spindle Pulley 1 7 1904308 Hex Flange Nut 1 2 13 1 8 1915555 VBa ei a aioe Et ANS 1 9 1904479 Idler Arm Brake Shoe Assembly 1 10 1910859 Socket Hd Capscrew 10 24 x 3 4 1 11 1910847 Brake SHOG csssssssssesetetsseteteteteeteteaeees 1 12 1983039 Hex Lock Nut 10 24 oes 1 13 1727978 V Groove Idler Pulley s s 1 14 1186393 Hex Flange Nut 3 8 16 2 15 1910855 Flat Idler Pulley cesses 1 16 1915261 Washer 88 X 382 X 275 vee 1 17 1910854 Idler Arm Spacer nsee 1 18 1910857 Button Head Screw 3 8 16 x 1 1 2 1 19 1910852 Control Cable also Ref 13 Pg 4 1 20 1910849 Idler Tension Spring 1 21 1910858 Hex Flange Screw 3 8 x 16 x 2 1 4 1 22 1909304 Hex Flange Screw 5 16 18 x 3 4 4 23 90063 Hex Flange Screw 5 16 18 X 1 5 24 9953 Hardened Shim 3 4 ID x 1 022 OD X O60 MIC siina 1 25 9928 Belleville Washer 5 8 1 23 Trimmer Mower Parts List LOWER STEERING ASSEMBLY Ref Part Description Qty Ref Part Description Qty 1 1910823 Wheel 6
27. ey on electric start models B Two bolts A Figure 5 3 secure the trimmer head B to the spindle head C Loosen both bolts not the nuts sufficiently to open up the trimmer head enough to let it slide down the spindle head and past the two stops Do not attempt to remove the bolts completely they are permanently at tached Install the new trimmer head in the same way the old unit was attached Open it enough to slide it on the spin dle head Tighten the hardware se curely to 75 in Ibs C If the wear cup D Figure 5 3 is also worn replace it To do so insert a phillips head screwdriver in the hole at the top front of the deck while remov ing nut E Discard the old cup posi tion the new wear cup and replace nut E securely Figure 5 3 e z 12 Section 5 Maintenance Repairs A WARNING Before inspecting cleaning or servicing the unit shut off engine wait for all parts t to come to a complete stop disconnect spark plug wire and move wire away from spark plug i Remove ignition k lectric start models Failure to follow these instructi Iti ms gnition key on electric start models Failure to follow these instructions can result in J E serious personal injury or property damage INSPECTING REPLACING THE DRIVE BELT The drive belt can be inspected or re placed from beneath the machine deck The belt should not require inspection for many hours of operation If re placement becomes necessary
28. he FULL mark on the oil dipstick See the Engine Owner s Manual for instructions D Check the fuel level in the fuel tank See the Engine Owner s Manual and this page for instructions E Check the trimmer head control bail for freedom of movement F Check engine throttle control lever on units so equipped for freedom of movement G Select the cutting height see this Section for full details H Check handlebar height position I On electric start models check the wire harness connections J Carefully check the area to be trimmed and remove any debris K Check that the spark plug wire is securely attached to the spark plug Clean debris from around fuel cap oil dipstick and engine foam debris fil ter before checking oil level or adding gasoline in order to keep dirt out of engine FILL FUEL TANK A Lift and tilt plastic debris shield for ward refer to Figure 3 1 B Clean fuel fill area and debris filter each time before fuel is added C Unscrew fuel tank cap and insert a clean funnel into fuel tank or use a fuel container with a flexible spout See Engine Owner s Manual for the correct gasoline specifications Slowly fill the fuel tank leaving at least 1 2 inch of air space at the top for fuel expansion D Securely replace the fuel tank cap and the fuel container cap Promptly wipe up any fuel spills E Lift and tilt the debris shield back then push it down to secu
29. hut off the engine wait for all moving parts to stop allow the engine to cool disconnect the spark plug wire and prevent it from touching the spark plug Failure to comply could result in personal injury or property damage Cutting Height Adjustment The cutting height of the trimmer line adjusts from 1 1 2 to 4 1 2 high in infinite increments The cutting height has been factory set at one of the higher settings we recommend that you start at this higher setting and make adjustments as needed To ad just the cutting height A Cutting line height can be conve niently changed when the wear cup is in contact with the ground If neces sary you may tip the unit back slightly for a better view do not tip trimmer all the way back or motor oil may flow to the exhaust area and the engine may smoke for several seconds when started B Use a 1 2 wrench to loosen both bolts A Figure 4 1 securing the trim mer head C Note the cutting heights marked on the side of the spindle head Figure 4 2 Move the top of the trimmer head to the desired setting D Tighten both trimmer head bolts securely to 75 in Ibs and evenly General Recommendations In tough trimming conditions use the highest height settings For less demanding situations use any trimming height desired With difficult jobs use extra heavy duty red line 155 dia to handle thick tough growth best e With easier jobs use heavy
30. ll be in good condition for future use 16 Fa J E e Store machine on a level surface e Thoroughly inspect the machine for any loose broken or missing parts Repair or replace parts as necessary e Remove all fuel from fuel tank or use a fuel stabilizer additive as directed in the Engine Owner s Manual e Change engine oil e Remove spark plug and squirt 1 2 ounce of engine oil into spark plug hole Cover hole with arag Slowly pull recoil starter rope to crank engine then reinstall plug e Clean any dirt grass or chaff from the air cooling system intake area and other parts of the engine e Check nuts bolts other hardware for tightness Replace missing hardware e On an electric start model remove key from keyswitch Charge battery for 24 hours before and after storage e Disconnect spark plug wire from spark plug Prevent wire from touch ing spark plug by placing wire boot away from spark plug WARNING e Never perform mainte nance when engine is run ning or spark plug wire is connected except when in structed to do so e Never store mower with fuel in fuel tank inside a building where fumes can reach an open flame or spark or where ignition sources are present such as hot water and space heaters furnaces clothes dryers stoves electric motors etc Make sure engine is cool be fore storing Drain gasoline outdoors into an approved container e Do not smoke and keep fuel awa
31. mmable material Failure of the owner operator of the equipment to comply with this regulation is a misdemeanor under California law and may also be a violation of other state and or federal regulations laws ordinances or codes Contact your local fire marshal or forest service for specific information about what regulations apply in your area IMPORTANT Safe Operation Practices for Walk Behind Mowers This cutting machine is capable of amputating hands and feet and throwing objects Failure to observe the following safety instructions could result in serious injury or death General Operation 1 Read understand and follow all instructions on the machine and in the manuals Be thoroughly familiar with the controls and the proper use of the equipment before starting 2 Do not put hands or feet near or under rotating parts Keep clear of the ro tating trimmer head and line at all times 3 Only allow responsible adults who are familiar with the instructions to operate the trimmer mower Never let children or untrained adults oper ate this equipment 4 Inspect the area where the trim mer mower is to be used The equip ment can propel small objects at high speed causing personal injury or property damage Clear the area of ob jects such as rocks toys wire bones sticks etc which could be picked up and thrown by the trimmer line 5 Be sure the area is clear of other people particularly small child
32. n for information Figure 3 1A Debris shield in operat on servicing this important filter ing position Battery electric start model A The battery K Fig 3 1 starts the en gine via the ignition keyswitch Y R c Figure 3 1 Features and controls electric start mode shown 6 Section 4 Operation AX WARNING Before operating your ma chine carefully read and un derstand all safety Section 1 controls Section 3 and operating instructions Section 4 in this Manual in the separate Engine Owner s Manual and on the decals on the machine Failure to follow these in structions can result in seri ous personal injury INTRODUCTION As with any piece of outdoor power equipment getting the feel for how your machine operates and knowing the best techniques for particular jobs are important to overall good performance Read this Section thoroughly before you start the engine The instructions given here will help you become familiar with your machine and have you operating it efficiently in a short time NOTE All references to left right front and rear of the machine are determined by standing in the operator s position PRE START CHECKLIST A Review Section 1 Safety and also Section 3 Features and Controls B Check equipment for loose or miss ing hardware Tighten or replace hard ware before starting trimmer mower C Check the engine oil level It must be up to t
33. n the bottom of the spindle head This surface may be hot NOTE The two lines are held in place with two steel clamp plates each clamp permanently secured by a bolt and anut Do not attempt to remove the nuts it is not necessary to remove them in order to change the trimmer lines 2 Use a 1 2 open end wrench to loosen the nut A Figure 5 11 on one clamp plate B until the clamp plate is loose Slide the old line out and discard it Clean out the groove underneath the clamp plate very thoroughly 3 Feed the new 18 long trimmer line under the clamp plate positioning it as far back as possible next to the arc into the groove of the trimmer head so the downward facing prongs of the clamp plate make contact with the line Putting gentle downward pressure on the outer edge of the clamp plate will ease installation See Figure 5 12 to see how the new line should be posi tioned An equal amount of line should project out from each side of the clamp plate creating an overall 22 wide cut ting swath You may offset both trim mer lines somewhat to increase the cutting swath up to 25 wide DO NOT offset the line so that the overall cutting swath is greater than 25 See Warning statement at right NOTE Whether replacing one or both lines they must both be 130 or 155 in diameter 4 If bottom of trimmer head is equipped with two brackets see Figure WARNING Before inspecting cleaning or servicing the unit sh
34. n the wire harness BATTERY REPLACEM ENT If the battery no longer takes a charge or is leaking or otherwise damaged it must be replaced A Tilt the debris shield forward B Disconnect both wires from the bat tery terminals Remove the negative black wire then the positive red wire C Two bolts A and B Figure 5 16 se cure the battery to the deck Remove bolt A then work the battery from under the battery clamp D Position the new battery under the clamp and replace bolt A E Reconnect both wires to the battery terminals First connect the red wire to the positive terminal then the black wire to the negative terminal NOTE Discard battery properly as required by regulations in your area Figure 5 15 Use the recharger shipped to you to charge the battery Figure 5 16 Battery replacement 17 Section 5 Maintenance Repairs TROUBLESHOOTING Before performing any of the corrections in this Troubleshooting Chart refer to the appropriate information contained in this Manual for the correct safety precautions and operating or maintenance procedures Contact your local authorized Engine Service Dealer for engine service Contact your local authorized Trimmer Mower dealer for service problems with the machine PROBLEM POSSIBLE CAUSE CORRECTION Engine does not start OC CO CO AI O OI BE CO NN Spark plug wire disconnected Defectiv
35. nd watch your footing Clean the Trimmer Mower On a Regular Basis Clean under the trimmer mower fre quently to remove any grass buildup Also clean around the muffler and on top of engine See cleaning instruc tions in Section 5 Maintenance for fur ther details Use the Correct Cutting Height to Suit the Job Generally the height of the trimming line should be adjusted upward to han dle taller material and cope with tougher cutting conditions Ease into heavy growth materials For the most precise cutting possible let the cutting head rest lightly on the ground and do not lift up on the handlebars while mowing This lets the cutting head fol low the ground contour closely result ing in the most even cut possible When conditions are not so demanding and the material to be trimmed is not so tall the cutting height can be adjusted downward Don t overwhelm the equipment with the job at hand Your equipment will work more effectively Do Not Let the Trimmer Lines Become Too Short Once the lines are worn to less than 1 2 their original length trimming jobs begin to take far longer than they should As a general guideline once line length becomes half of its original length it s time to change to new lines Use the Right Diameter Line for the Trimming Job Before starting a project examine the grass or material you will be cut ting For tougher projects use two sections of the red 155 diameter ex
36. ng the line Handlebar Height Adjustment The handlebar D Fig 3 1 has two height settings requires removal and reinstallation of two screws and lock nuts Plastic Debris Shield A heavy duty plastic shield E Fig 3 1 and 3 1A protects the engine from all manner of debris The shield tilts for ward for access to oil fuel fill and bat tery electric start units areas ENGINE CONTROLS FEATURES IMPORTANT Refer to the separate engine manufacturer s Engine Owner s Manual for detailed informa tion about the controls on the engine Fuel Primer Button The fuel primer button L Figure 3 1 allows a cold engine to be primed for faster easier starting Engine Oil Fill Oil Dipstick The engine oil fill hole oil dipstick M Figure 3 1 is located on the right side of the engine Engine Throttle Control Lever Use this lever F Fig 3 1 to regulate engine speed Engine On Off Switch Put switch G Fig 3 1 in ON position before starting engine Use OFF position to stop engine Engine Recoil Starter The recoil starter H Fig 3 1 is mounted on the engine Engine Ignition Keyswitch electric start model only The engine ignition keyswitch I Fig 3 1 allows starting the engine from the handlebar Engine Foam Debris Filter The foam debris filter J Figure 3 1 protects the engine from accumula tions of cut materials that can clog the engine cooling passages See the Maintenance Sectio
37. o lo cations Y You may rotate the trim mer head by hand to make access to the hardware easier Tighten the hard ware securely NOTE The small round hole on the top of the deck near the front of the ma chine is a service entryway Its use is explained in Section 5 Maintenance IMPORTANT The trimmer head hard ware is designed to be permanently installed and is not removable Do not attempt to replace it with non fac tory specified hardware Figure 2 6 Section 3 Features and Controls The following are features and controls found on the various models of the Trimmer Mower Read the description and location of each feature and con trol Unless otherwise noted a de tailed descriptions of each feature and control can be found in Section 4 Operation MOWER CONTROLS FEATURES Trimmer Head Control Bail The control bail A Fig 3 1 is used to start and stop trimmer head motion Pull the control bail up against the handlebar to activate the trimmer head Let go of the control bail to stop the trimmer head Cutting Height Settings The trimming head B Fig 3 1 is ad justable to an infinite number of height settings from 1 1 2 to 4 1 2 Line Mounting Plates The two cutting lines are secured with bolted clamp plates C Fig 3 1 For most jobs line length should be ad justed equally For some jobs the overall line swath can be increased from the normal 22 to 25 by offset ti
38. ot use a battery charger other than the one provided to you c The battery contains toxic ma terials Do not damage the battery case If the case is bro ken or damaged avoid contact with the battery contents d Properly dispose of a dam aged or worn out battery Check with local authorities for proper disposal methods e Do not short circuit the bat tery Severe burns and fire can result 16 Use only original equipment re placement parts Parts manufactured by others could present safety hazards and affect performance even though they may fit on this trimmer mower 17 Remember the end of the season is a good time to inspect equipment prior to storage 18 To guard against engine overheat ing always have the engine debris filter mounted and clean Safety Decals Make certain that all safety decals on this equipment are kept clean and in good condition The decals are shown at reduced sizes below If you need a re placement decal please refer to the Parts List in this SEE SAFETY INSTRUCTIONS UNDER DEBRIS SHIELD To open pull up debris shield then tip forward THROWN OBJECT HAZARD a e Wear eye protection Objects can be thrown up to 50 feet Be alert to hidden obstacles At rear of deck HOT SURFACES DO NOT TOUCH MUFFLER OR ADJACENT AREAS 1904511 At rear of deck housing on right side At top of debris shield brace DANGER KEEP HANDS and FEET AWAY At front
39. rass being cut Engine not set at FAST speed Adjust line length to 18 long When less than 1 2 this length replace the line Adjust cutting height to approximately 1 3 of the length of the grass Move Engine Throttle Lever to FAST Rabbit Trimmer Mower vibrates Trimming head mounting bolt loose Line lengths are substantially different Loose nuts or bolts Broken spindle head or trimmer head Tighten bolt Adjust lines to approximately equal lengths Check all bolts and nuts including engine bolts Replace broken part Trimmer head does not retain line Debris under the trimmer head clamp plates Prongs not clamping on line Clean underneath both clamp plates Retighten plates securely Replace head assembly Trimmer Head does not retain height setting Head bolts may be loose Head is worn Tighten head bolts to 75 in Ibs Replace head assembly Electric Starter does not start engine electric start models only Wire harness connector unconnected Battery not charged Broken wire in wiring harness Malfunctioning starter motor Reconnect wiring harness Charge battery Replace wiring harness Contact local engine dealer Battery does not charge during engine operation electric start models Broken wire in engine recharging circuit Malfunctioning engine recharging system Dead battery
40. re it ADJUST HANDLEBAR HEIGHT To adjust handlebar height refer to STEP 2 Install Handlebars in the Assembly Section of this manual AX DANGER Gasoline is highly flammable and its vapors are explosive e Never fill fuel tank when engine is running or still hot from operation Allow the engine to cool at least two minutes before refueling e Do not allow open flames sparks matches or smoking in the area e Fill the fuel tank outdoors in a well ventilated area e Wipe up any spills and move the trimmer mower away from gasoline fumes before starting the engine e Securely replace the caps on fuel tank and fuel container e Use only an approved fuel container Store it safely out of the reach of children e Store gasoline in a well ventilated area Do not store it where vapors could reach an open flame spark or ig nition sources such as hot water heater or space heater furnace clothes dryer stove electric motor etc Failure to follow these in structions can cause personal injury or property damage CAUTION Before adjusting the handle bar height shut off the en gine wait for all moving parts to stop allow the en gine to cool disconnect the spark plug wire and prevent it from touching the spark plug Failure to comply could result in personal injury or property damage Section 4 Operation ADJUST LINE CUTTING HEIGHT Ay CAUTION Before adjusting the cutting height s
41. ren and pets before mowing Stop trimmer mower if anyone enters the area Keep bystanders at least 50 feet from the area of operation Li SS ey 6 Do not operate the trimmer mower when barefoot or wearing open sandals Always wear substantial footwear 7 Wear appropriate clothing such as a long sleeved shirt or jacket Also wear long trousers or slacks Do not wear shorts 8 Do not wear loose clothing it could catch in the equipment 9 Do not mow in reverse unless ab solutely necessary Always look down and behind before and while moving backwards 10 Do not operate the trimmer mower without proper guards plates or other protective safety devices in place 11 Refer to provided instructions for proper operation and installation of ac cessories Only use factory approved accessories 12 Stop trimmer head when crossing gravel drives walks or roads Wait for trimmer lines to stop 13 Stop engine and discon oe nect spark plug wire from spark plug whenever you leave the unit clean the equipment or replace trimmer line Remove the key on electric start models 14 Wait until the trimmer head comes to acomplete stop shut the engine off and disconnect the spark plug wire be fore installing or removing trimmer line Be sure trimmer head is securely attached before operating equipment 15 Mow only during daylight hours or when good artificial light is available 16 Do not operate the t
42. rimmer mower while under the influence of al cohol or drugs or when tired or ill 17 Never operate this equipment in wet grass Be sure of your footing keep a firm hold on the handlebar and walk never run 18 Release trimmer head control bail before starting engine 19 If the unit starts to vibrate abnor mally stop the engine and disconnect the spark plug wire Check immedi ately for the cause Vibration is gener ally a warning of trouble Section 1 Safety 20 Always wear approved safety gog gles or safety glasses with side shields when operating equipment The use of any powered machine can result in for eign objects being thrown by high speed rotating parts which can cause personal injury or property damage Stay away from glass and other easily thrown or breakable objects 21 Wear work gloves and sturdy footwear when using this equipment Leather work shoes or short boots are ideal They protect ankles and shins from rocks pebbles splinters etc 22 It is advisable to wear protective headgear to prevent the possibility of being hit by small flying particles etc 23 Before each use inspect the throt tle control lever and cable if so equipped Make sure the cable is free and the lever functions properly 24 Watch for traffic when near or when crossing roadways 25 Never attempt to carry children or other passengers on the equipment They could fall off and be seriously in jured or they co
43. t affect the fit or performance of these parts on your unit 19 WARNING WE URGE USING ONLY GENUINE REPLACEMENT PARTS WHICH MEET ALL THE LATEST REQUIRE MENTS REPLACEMENT PARTS MANUFACTURED BY OTHERS COULD PRESENT SAFETY HAZARDS EVEN THOUGH THEY MAY FIT ON THE UNIT IMPORTANT Left and right sides of the unit are determined by standing behind the unit in the operator s position and facing the direction of forward travel NOTICE We reserve the right to change specifications add im provements or discontinue the manufacture of any of our equipment without notice or obligation to purchasers of our equipment Trimmer Mower Parts List ENGINE DECK COVERS AND GUARDS BATTERY 20 Models 52051 and 52052 ENGINE DECK COVERS AND GUARDS BATTERY Ref Part Description Qty Ref Part Description Qty 1 1916993 Deck with deCalS cccesccssecssecsseesseesnees 1 25 1909301 Hex Hd Flange Screw 1 4 20 x 5 8 4 2 1904511 Decal Hot Surface 1 26 1763187 Hex Hd Flange Screw 1 4 20 X 1 2 3 1904403 Decal Warning Thrown Objects 1 27 1910865 Belt QUIdE ci cici ciana Asil 1 4 1739687 Decal Danger Feet Hands 1 28 1915219001 Flap Bracket eesesseeeeseteneeeeeeees 2 5 1915964 Decal Warning cscseeseseteesseneereeeenees 1 29 1915211 Deflector Shield oo ccecseseeeeeeeeeeeees 1 6 1915892 Decal Warning sesers 1 30
44. terial plastic film and cardboard from the handlebars and the machine Be sure to remove the handlebars from the insert and care fully do not crimp the attached cable put them aside before removing the unit from the bottom of the packaging Then compare the parts inside the shipping carton with the following list items with an asterisk are pack aged separately within the carton All Models e Trimmer Mower Assembly A Fig 2 1 e Extra Trimmer Line 6 pieces of green heavy duty 130 diameter and 6 pieces of red extra heavy duty 155 diameter B Fig 2 1 e Safety goggles not shown e One plastic cable tie not shown e Two Hex Hd Screws 5 16 18 x 2 not shown e Two Locknuts 5 16 18 not shown Electric Start Model Only e Battery on unit C Figure 2 1 e Two ignition keys e One battery recharger Figure 2 1 electric start model shown STEP 2 Install Handlebars NOTE Do not pinch any cables while unfolding and securing the handlebars IMPORTANT Adjust the handlebars as close as possible to waist level so arms are at a comfortable height This lessens pressure on the mower wear cup making the unit easier to roll and reducing wear on the wear cup A Cut the plastic tie and remove the tape that secures the control bail G Fig 2 2 to the handlebar A B Using care not to pinch the attached cable lift the handlebars A Fig 2 2 to rear of the unit and
45. tra heavy duty line for less demand ing jobs use two sections of the green 130 diameter heavy duty line The thicker line has the heft to chop through tougher materials while the thinner line provides a more precise cut Use Extreme Caution on Slopes When operating on sloping ground use extreme caution and common sense to avoid possible injury or prop erty damage Do not mow on excessively steep slopes Avoid slopes if greater than 15 or wherever footing is unsure Ifa slope is difficult to stand on it is prob ably too steep to trim or mow In this case it may be wiser to establish a per manent ground cover on this area Do not trim on slopes when the ground is slippery Trim across the face of a slope not up and down Slow down and exercise caution when changing direction on slopes Use Correct Walking Speed Use a travel speed that is suitable for the conditions at hand For example you ll get better trimming and mowing results at slower walking speeds if the grass is tall or lush Shorter grass or less dense growth can be cut at faster travel speeds Vary the Throttle Setting to Suit the Job The vast majority of trimming and mowing jobs will yield the best results if the engine throttle control is set at the fastest engine speed 10 WARNING THROWN OBJECT HAZARD e Objects such as rocks peb bles and small debris will be thrown violently by the cutting head resulting in significant hazard to e
46. uld interfere with safe operation of the equipment 26 The mower is equipped with a plastic debris shield in front of the en gine and a rubber debris flap under the frame They must be in place and working properly Never remove or cause the debris shield or debris flap to cease working If either of these parts is missing or not working properly do not use the equipment until this situa tion is corrected 27 Be aware of where the trimmer mower is discharging materials and do not point the discharge at anyone 28 Never run the engine in an en closed area Engine exhaust contains carbon monoxide a deadly gas that is odorless colorless and tasteless Always run the engine outdoors where there is adequate ventilation 29 Slow down before turning 30 Shut off engine when not trimming or mowing 31 Use extra care when loading or un loading machine into a trailer or truck 32 Use this equipment for its intended purpose only 33 Always make sure the handlebars are tight and comfortably positioned They should never be in an awkward position for the operator Il Slope Operation Slopes are a major factor related to loss of control and tip over accidents which can result in severe injury or death All slopes require extra cau tion If you can not back up the slope or you feel uneasy on a slope do not mow it DO Mow across the face of slopes never up and down Exercise extreme cau tion when changing dire
47. ut off engine wait for all parts t to come to a complete stop disconnect spark plug wire and move wire away from spark plug Remove ignition key on electric start models Failure to follow these instructions can result in uty J E WARNING Offsetting the trimmer lines causes the lines to rotate faster than when they project an equal length on each side This increases the chance of loose materials being dis lodged and propelled at high speeds Failure of the operator to wear safety goggles and ap propriate clothing and to keep bystanders away can re sult in severe personal injury or property damage 5 13 position prongs on brackets as shown by large arrows in Figure 5 13 5 While holding the clamp plate B Figure 5 11 in position on the line be sure prongs on clamp plate are in con tact with the line retighten the nut A to 75 in lbs Do not overtighten 6 Repeat steps 2 through 5 to replace the second trimmer line Figure 5 11 Slide a new section of trim mer line underneath the clamp plate B then retighten the nut A securely to hold the trimmer line in place Insert in this Direction F A Figure 5 12 Correct position of newly in stalled line 15 Figure 5 13 On bottom of trimmer head position brackets if so equipped as shown before tightening nuts on clamp plates Section 5 Maintenance Repairs A WARNING Before inspecting cleaning or ser
48. vicing the unit shut off engine wait for all parts t to come to a complete stop disconnect spark plug wire and move wire away from spark plug Remove ignition key on electric start models Failure to follow these instructions can result in serious personal injury or property damage CLEANING THE ENGINE FOAM DEBRIS FILTER It is extremely important to keep the foam debris filter A Figure 5 14 free of dirt and dust so the engine can run as efficiently and as cool as possible Clean the foam debris filter every time you refuel also remove all debris from around the fuel fill cap To wash the debris filter remove the outer O ring B Figure 5 14 and carefully lift it off the wire guard C to which it is attached on top of engine Soak filter in warm water and detergent solution When clean rinse the debris filter thor oughly then air dry it The wire guard may also be removed to clean out any debris Replace the wire guard and foam filter properly they must make contact with the engine The recoil start rope must fit in the slot Be sure the O ring is 1 2 above the engine NOTE Inspect the engine air filter sys tem as per the Engine Owner s Manual WARNING Never run engine without the debris filter properly in stalled If debris filter is not properly installed grass clip pings may be drawn into en gine causing heat buildup and in some cases a fire Failure to comply can cause injury
49. way from machine while operating Be alert to hidden obstacles ROTATING CUTTING HEAD Do not service or adjust cutting head or other moving parts unless engine is stopped and spark plug wire is disconnected At front of deck housing on left side and debris shield Make sure they are not bent damaged or loose 10 Only use eighteen inch long 130 or 155 diameter trimmer line Never use other lengths diameters or material as trimmer line 11 Trimmer line moves at high speed and can cut Always stop the engine and let all moving parts stop before replacing the trimmer lines Let the engine cool 12 Do not change the engine gover nor setting or overspeed the engine The governor controls maximum safe operating speed and protects the en gine and all moving parts from dam age caused by overspeed Authorized service shall be sought if a problem exists 13 Do not touch engine parts which may be hot from operation Allow parts to cool completely before in specting cleaning or repairing the unit 14 Maintain or replace safety and in structional decals Refer to the sepa rate Parts Catalog for replacement decal information 15 For units equipped with electric start a Batteries produce explosive gases Keep sparks flame Manual On left handlebar cigarettes etc away Venti late the area when charging the battery Do not charge the battery in an airtight space b Do n
50. y from open flame Failure to follow these in structions will result in seri ous personal injury or prop erty damage Section 5 Maintenance Repairs A WARNING Before inspecting cleaning or servicing the unit shut off engine wait for all parts t to come to a complete stop disconnect spark plug wire and move wire away from spark plug i Remove ignition key on electric start models Failure to follow these instructions can result in u u J E serious personal injury or property damage BATTERY RECHARGING DANGER e Wet conditions can cause an electric shock hazard dur ing battery charging Avoid when conditions when charg ing e Recharging the battery with improper equipment could cause a battery explosion Use only the battery charger shipped to you All parts must be fully stopped and the spark plug wire disconnected and moved away from the spark plug Failure to comply could result in personal injury or property damage Prior to and after coming out of storage recharging the battery is recommended The engine must be stopped and the area in which recharging will take place must be dry A Connect the battery charger shipped to you to the trimmer mower wire har ness A Figure 5 15 The terminals should be snugly connected B Plug the recharger B Figure 5 15 into a grounded 120 Volt outlet C Charge the battery for 24 hours Remove the recharger from the wall out let first and the
51. yes and exposed body parts Always wear safety ap proved eye protection and suitable clothing and footwear Keep children pets and by standers 50 feet away from machine while operating Be alert to hidden obstacles Failure to comply could result in injury or property damage Less demanding jobs and projects that require very precise cutting will yield better results if the engine throttle is backed off somewhat to reduce en gine speed For example damage to trees and ornamentals can be avoided by reducing the engine speed using the lighter 130 diameter line and by keeping a safe distance away Again once you begin a particular job and get a feel for the conditions you will be able to make adjustments for the best possible results Keep the Mowed Side to Your Right as You Move Ahead The trimmer mower feeds cut mate rials to the right side Stay on the right side of unmowed growth as you move along NOTE If trimmer is operated in a stationary position with the wear cup in contact with dry vegetation significant heat will result that may deform the plastic spindle or scorch vegetation Section 9 Maintenance Repairs A WARNING REQUIRED MAINTENANCE SCHEDULE REQUIRED MAINTENANCE BEFORE EVERY EVERY EVERY AS Before inspecting cleaning or EACH 5 25 100 NOTED servicing the machine shut off engine disconnect spark plug USE HOURS HOURS HOURS wire and make sure that all C
52. you are working IV Service 1 Use extra care in handling gaso line and other fuels They are flammable and their vapors are ex plosive To help prevent a fire or explosion a Use only an approved con tainer b Never remove gas cap or add fuel when the engine is run ning Let engine cool before re fueling Do not smoke c Never refuel the machine in doors Fill the fuel tank out doors and with extreme care d Never store the machine or fuel container inside where there is an open flame such as a water heater etc e Replace caps on the fuel tank and fuel container and clean up spilled fuel before starting engine Move machine away from any gasoline fumes be fore starting the engine f Keep matches smoking ma terials open flames and sparks away from the fuel tank and fuel container g Leave 1 2 air space at the top of the fuel tank to allow for fuel expansion Section 1 Safety 2 Never run the engine inside a closed area 3 Never clean make adjustments or repairs with the engine running Disconnect the spark plug wire and keep the wire away from the plug to prevent accidental starting Remove key on electric start models 4 Keep all nuts and bolts tight espe cially the trimmer head attachment bolts and keep equipment in good condition Check mounting hardware on trimmer head every time you change trimmer line and prior to each use 5 Never tamper with safety devices Ch
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