Troy-Bilt 34020C Owner's/Operator's Manual

Mulching mowers
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Summary of Contents for Troy-Bilt 34020C

  • Page 2 Dear Owner: You now own one of the finest iiiiili ii_ii!i_i_!i!iiiiiiii!i_iii_i_i;;iiiii!iiiiiiiiiiiiiiiii_i_!i!iiii!i i;iiii mulching mowers. Your new mower provides superior mowing performance because of a multi-pitch blade, deep ......!!ii_ili dome-shaped deck, and single-lever adjustment of cutting height. The self- propelled units have front wheel drive for easier handling.
  • Page 3: Table Of Contents

    SERVICE INFORMATION ......... SECTION 1: SAFETY ..........Training....................3 Preparation..................3 Operation.....................4 Maintenance and Storage ..............5 Decals....................6 SECTION 2: ASSEMBLY.......... SECTION 3: FEATURESAND CONTROLS...... iii!!!iiiiiiiiiiiiiiii!iii!iiii_!ii Featuresand Controls Identification ............9 All Models..................10 Models 34020, 34020C, 34320 and 34320C (Push Model) ....11 i!ii_iiiiiiiiii_iiiil Models 34021, 34021C, 34321 and 34321C (Single Speed) .....12 Models 34022, 34022C, 34322 and 34322C (Variable Speed) ..
  • Page 4: Service Information

    If you have any Questions or Problems..Please contact your local Mulching Mower authorized dealer or call or write the Factory. When calling or writing, please be sure to provide the Model and Serial Numbers your machine (refer to Page 1). IF YOU NEEDENGINE SERVICE: you need assistance...
  • Page 5: Section 1: Safety

    WARNINGTO ALLCALIFORNIA AND OTHERPOWEREQUIPMENT OPERATORS 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 cov- ered, or grass covered land, or on land covered with grain, hay, or other flammable agricultural crop, without...
  • Page 6: Operation

    6. Check the fuel before starting 8. Never operate this mower in 14. Batteries (on electric start the engine. Do not fill the gaso- wet grass. Always be sure of your model) produce explosive gases. line tank indoors, when the engine footing;...
  • Page 7: Maintenance And Storage

    10. If the mower should start to stalled. Never attempt to discon- vibrate abnormally, stop the en- nect or otherwise defeat this sys- gine, disconnect the spark plug tem. If the interlock system is not wire and prevent it from touching operating properly, shut off the the spark plug.
  • Page 8: Decals

    SAFETYDECALS 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 replacement decal, please refer to the Parts Catalog that accompanied this Manual.
  • Page 9: Section 2: Assembly

    INSPECTION AFTERDELIVERY After delivery, immediately wish to file a claim. To protect spect your mower. Make sure that your rights, be sure to put this in neither the carton nor the contents writing to the carrier within days after your machine arrives.
  • Page 10 Assembi.y Step 5: Attach Blade Brake CAUTION Control Lever (Models Sharp cutting blades can 34311,34313 and 34328) cause serious personal in- jury. When working near the A. Remove the screw (A, Figure mower blade, wear heavy 2-5), nut (B) and two washers leather gloves to protect from the right handlebar.
  • Page 11: Section 3: Featuresand Controls

    FEATURES AND CONTROLS IDENTIFICATION The following are features and controls found on the various models of the Mulching Mower. Note that some are common features or controls with the same location on all models, whereas others are specific to one or more models.
  • Page 12: All Models

    FEATURES ANDCONTROLS ON ALLMODELS Engine Recoil Starter The Engine Recoil Starter Rope is located as shown in Figure 3-1. Operating the recoil starter is fully described in the Operation Section. Upper Handlebar Position Adjustment Knobs The location of the upper handle- Handlebar Position bar position adjustment knobs is...
  • Page 13: Models34020, 34020C, 34320 And34320C (Push Model)

    MODELS34020, 34020C, 34320 AND34320C (PUSH MODEL) In addition to the features Operator Presence controls shown on Page 10, Control Bar Models 34020, 34020C, 34320 and 34320C have the features and controls described below. Engine Speed Lever This control (see Figure 3-2) regu- lates the speed of the engine and the blade.
  • Page 14: Models 34021, 34021C, 34321 And34321C (Singlespeed)

    MODELS 34021, 34021C, 34321 AND34321C (SINGLESPEED) In addition to the features controls shown on Page 10, Operator Presence Control Bar Models 34021, 34021C, 34321C and 34321C have the features and controls described below. Engine Speed Lever Wheel Drive This control (see Figure 3-3) regu- Lever lates the speed of the engine and the blade.
  • Page 15: Models34022, 34022C, 34322 And34322C (Variable Speed)

    MODELS34022, 34022C, 34322 AND34322C (VARIABLE SPEED) In addition to the features controls shown on Page 10, Models 34022, 34022C, 34322 Operator Presence ControlBar and 34322C have the features and controls described below. Engine Speed Lever This control (see Figure 3-4) regu- lates the speed of the engine and Wheel Drive Lever &...
  • Page 16: Models 34023, 34323 And 34323C (Variable Speed/Electric Start)

    MODELS34023, 34323 AND34323C (VARIABLE SPEEDWITH ELECTRIC START) In addition to the features Operator Presence controls shown on Page 10, Control Bar Models 34023, 34323 and 34323C have the features and controls described below. Engine Speed Lever This control (see Figure 3-5) regu- Wheel Drive Lever &...
  • Page 17: Models 34311, 34313 And 34328 (Variable Speed/Bladebrake Control)

    MODELS34311,34313 AND34328 (VARIABLE SPEEDWITH BLADEBRAKECONTROL) In addition to the features controls shown on Page 10, Wheel Drive Models 34311, 34313 and 34328 ControlBar have the features and controls de- scribed below. Engine Speed Lever This control (see Figure 3-6) regu- lates the speed of the engine and the blade.
  • Page 18: Pre-Start Checklist

    This Section explains: • Performing Pre-start Checks • Filling the Fuel Tank • Adjusting the Cutting Height • Adjusting the Handlebar Height • Safety Interlock System • Operating the Mower • Mowing Tips • Using the Optional Grass Catcher _/ Check the Blade Brake Control IMPORTANT: Before reading Bar and Wheel Drive Control Bar...
  • Page 19: Fillfueltank

    FILLFUELTANK D. Very securely replace the fuel A. Turn the handle (A) clockwise tank cap and the cap on the fuel to lower the blade height or coun- (ALL MODELS) terclockwise to raise the blade container. Promptly wipe up any gasoline spills.
  • Page 20: Adjusthandlebar Position

    ADJUSTHANDLEBAR POSITION (ALL MODELS) CAUTION Before adjusting the handle- bar height, shut the engine off, wait for all moving parts to stop, allow the engine to cool, disconnect the spark plug wire, and preventit from touchingthe spark plug. Failure to do this could result in personal injury or property damage.
  • Page 21: Models 34020, 34020C, 34320 And 34320C (Push Model)

    OPERATING MODELS 34020, 34020C, 34320 AND 34320C (4HP PUSHMODEL) STEP 1" General Starting D. Stand in the operator's position H. When the engine starts, move and squeeze the Operator Presence the Engine Speed Lever (A) to the IMPORTANT: This model Control Bar (B, Figure FAST position.
  • Page 22: Models 34021,34021C, 34321 And 34321C (Single Speed)

    OPERATING MODELS34021, 34021C, 34321 AND34321C (SINGLESPEED) A. Move mower to a level area. I. When the engine starts, move STEP1: GeneralStarting the Engine Speed Lever (A) to the B. Connect the spark plug wire. IMPORTANT: This model has FAST speed setting. The mower an Operator Presence...
  • Page 23: Models 34022, 34022C, 34322 And 34322C (Variable Speed)

    OPERATING MODELS34022,34022C, 34322 AND34322C (VARIABLE SPEEDWITH RECOILSTART) A. Move mower to a level area. H. Allow the Starter Rope to STEP 1: General Starting slowly rewind -- do not allow the B. Connect the spark plug wire. IMPORTANT: This model Recoil Starter Rope to snap back.
  • Page 24 B. Turn the Wheel Speed STEP 3: Stopping Adjustment Knob (on end of A. Move the Wheel Drive Lever lever) until the arrow on the knob back to the DISENGAGE posi- points to the desired setting: 1 tion to stop the wheels. (slow) to 5 (fast).
  • Page 25: Models 34023, 34323 And 34323C (Variable Speed/Electric Start)

    OPERATING M ODELS 34023, 34323 & 34323C (VARIABLE S PEED WITHELECTRIC START) WARNING A. Move mower to a level area. STEP 1: General Starting If the Operator Presencecon- trol System does not operate IMPORTANT: This model B. Connect the spark plug wire. properly, the blade could an Operator Presence...
  • Page 26 STEP 3: Stopping STEP 2: Operation A. Move the Wheel Drive Lever A. To select a mowing speed, first back to the DISENGAGE posi- move the Wheel Drive Lever (A, tion to stop the wheels. Figure 4-8) to the DISENGAGE position.
  • Page 27: Models 34311, 34313 And 34328 (Variable Speed/Bladebrake Controls)

    OPERATING MODELS34311,34313 AND 34328 (VARIABLE SPEEDWITH BLADEBRAKECONTROL) IMPORTANT: If restarting STEP 1: General Starting WARNING warm engine, DO NOT put the * To avoid personal inlury, Engine Speed Lever in the IMPORTANT: This model is do not engage the Wheel CHOKE position.
  • Page 28 Slowi_-urn Fast Figure 4-11: Operating the Wheel Figure 4-12: Wheel Drive/Blade Brake Control operation. Speed Adjustment Knob. To Stop Forward Movement of WARNING B. Push the Wheel Drive Control Mower: Bar (C, Figure 4-12) up against If the Blade Brake Control the handlebar.
  • Page 29: Mowing Tips

    MOWINGTIPS AND HINTS Lever engaged on self-propelled Clean Mower Frequently Mow When Lawn Is Dry models to ensure easier operation Avoid mowing grass when it is Clean the mowing chamber fre- and better control of the mower. wet. Wet grass is more difficult to quently to remove any grass build- mow and may result in an uneven up.
  • Page 30: Using The Optional Grass Catcher

    OPTIONAL GRASSCATCHER G. Using handle (J, Figure 4-16), (ALL MODELS) slide grass catcher bag collar between side grooves on boot WARNING opening. • Before installing, empty- H. Align hook (K, Figure 4-16) at ing, or unclogging the grass other end of grass catcher bag over catcher or boot, stop the en- flat surface on right handlebar.
  • Page 31: Required Maintenanceschedule (All Models)

    Subjects covered in this Section include: • Wheel Speed Adjustment - Single Speed Models • Wheel Traction Adjustment - Variable Speed Models • Wheel Drive Belt Replacement • Blade Maintenance • Blade Sharpening and Balancing • Cleaning Under Deck and Under Mower Cover •...
  • Page 32: Wheelspeedadjustment

    MOWERMAINTENANCE WARNING Before performingany maintenance procedures, stop the engine, wait NOTE: The maintenance proce- for all moving parts to stop, and allow the engine to cool. Disconnect dures in this section can be applied the spark plug wire and move it away from the spark plug. Remove the to all models unless otherwise ignitionkey on electricstart models.
  • Page 33: Wheeltractionadjustment(All Modelsexcept Pushmodel)

    WHEELTRACTIONADJUSTMENT(All modelsexcept PushModel) WARNING Initial Wheel Traction IMPORTANT: If the wheels turn • Before performing when the Wheel Drive Lever (or Adjustment maintenance procedures, Wheel Drive Control Bar) is NOT This procedure adjusts the tension stop engine, wait for all mov- engaged, it is necessary to un-...
  • Page 34 Secondary Wheel Traction Adjustment turn the adjustment Perform this procedure if the L. Adjust the gap between the "Initial Wheel Traction upward (counterclockwise) underside of the drive pulley (A, total of two "flats" from this Adjustment" did not return wheel Figure 5-7 and the topmost edge of the rubber-rimmed drive disc (B)
  • Page 35 (8.) Put the Wheel Drive Lever (or Control Bar) in the ENGAGE position and try to turn the wheels. They should not turn. If they do, thread the upper and lower adjustment nuts (Figures 5-4 or 5-5) upward 2 to 3 full turns. Repeat this step as needed until the wheels do not turn.
  • Page 36: 34313 And 34328)

    WHEEL DRIVE BELT REPLACEMENT (All Models Except Models 34311, 34313 and 34328) WARNING CAUTION Before performing any main- When working near tenance procedures, stop the blade, wear heavy leather engine, wait for all moving gloves to protect yourself parts to stop, and allow the from the sharp edges on the l_!_%Niiiblade.
  • Page 37: Wheel Drive Belt Replacement (Models 34311 And 34328)

    To Install Belt: DO NOT START ENGINE D. Look down through the deck WITHOUT COVER SECURELY opening at the front of the engine A. From the underside of the and make sure the belt is still INSTALLED. deck, install one end of the belt in seated in the groove of the engine the groove of the engine crankshaft...
  • Page 38 CAUTION When working near blade, wear heavy leather gloves to protect yourself from the sharp edges on the blade. To Install Belt: A. Using needle nose pliers, re- move the spring (A, Figure 5-11) from the Blade Brake Control Figure 5-12: Press down rear of...
  • Page 39 I. Rotate the blade until the other tip is at the front of the mower and slip the belt over that tip. J. Place the belt around the Blade Brake Control plate (G, Figure 15) and up through the deck open- ing at the front of the engine.
  • Page 40: Blade Maintenance (Exceptmodels 34311, 34313 And 34328)

    BLADE MAINTENANCE (All Models Except Models 34311, 34313 and 34328) To Install Blade: WARNING A. Place blade on coupling (E) on • Before performing maintenance procedures, lower end of engine crankshaft. stop the engine, wait for all Make sure blade is positioned moving parts to stop, and with bent ends of blade pointing allow the engine to cool.
  • Page 41: Blade Sharpening And Balancing

    Ma R {er aneeiRepairs BLADESHARPENING AND BALANCING(All Models) IMPORTANT : Professional C. To retain blade balance, re- E. With a file, carefully remove material from heavier side of move the same amount of material sharpening services or your from both ends of the blade. blade.
  • Page 42: Operator Presence Controls Test

    OPERATOR PRESENCE CONTROLS TEST (All Models ExceptModels 34311, 34313 and 34328) C. Do not use the mower until the Perform the following test before each use of the mower: Operator Presence Control System has been inspected, adjusted, A. With the engine running at repaired by an authorized service...
  • Page 43: Battery Charging (Electric Start Models)

    BATTERYCHARGING (Models 34023, 34323 and 34323C - Variable SpeedWith Electric Start) The battery is located under the WARNING mower deck. The battery does not • When charging the battery after operating the mower, stop the en- have to be removed from the gine, wait for all moving parts to come to a complete stop, disconnect mower for battery charging.
  • Page 44: Engine Maintenance (All Models)

    ENGINEMAINTENANCE COMPACTSTORAGE C. Loosen the upper handlebar adjustment knobs and fold the Fold the handlebars for compact upper section of the handlebars CAUTION downward toward the rear of the storage of the mower: See Figure Beforeperformingany engine 5-20. mower. (This is the position maintenance, stop the en- which the mower was shipped and...
  • Page 45: Troubleshooting (All Models)

    Mair te a ceiRepa rs TROUBLESHOOTING Before performing any of the corrections in this Troubleshooting Chart, refer to the appropriate information con- tained in this Manual for the correct safety precautions and operating or maintenance procedures. Contact your local authorized Engine Service Dealer for engine service.
  • Page 46 PROBLEM POSSIBLE CAUSE CORRECTION Blade does notstop 1. System not working properly. 1. Contact local dealer or Factory. within 3 secondsof release of OperatorPresenceControl Bar(all models except 34311, 34313 and34328). Blade doesnot stop within 1. System not working properly. 1. Contact local dealer or Factory. 3 secondsof release of Blade BrakeControlBar Models 34311, 34313 and...
  • Page 47: Index

    Table of Contents, Adjustments Handlebar Adjustment, 7, 10, 18, 42 Traction Adjustment, Cutting Height, 10, 16, 17 Handlebar Release Knobs, 10, 42 Handlebar, 7, 10, 18, 42 Troubleshooting, Height Adjustment Wheel Speed, 30 U, V Cutting, 10, 16, 17 Wheel Traction, 31 Unpacking, Handlebars, 8, 10, 18, 42...
  • Page 48: Warranty

    Products C overed This warranty is for the following TROY-BILT®branded products and their attachments or accessories: chipper/shredders, chipper/vacs, walk-behind mowers, riding mowers, tractors, snow throwers, brush- cutters, sprayers, carts, composters and the Mini-Tiller. DateWarranty The warranty begins on the date of purchase.

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