MTD RZT Series Operator's Manual
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MTD RZT Series Operator's Manual

MTD RZT Series Operator's Manual

Mtd tractor with 42" mower deck
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Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
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RZT Series Tractor with 42" Mower Deck
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
Form No. 769-03658
(Nov, 2007)

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Summary of Contents for MTD RZT Series

  • Page 1 Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty ’ peratOr anual RZT Series Tractor with 42" Mower Deck WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE.

  • Page 2: Table Of Contents

    Call a Customer Support Representative at (800) 800-7310 or (330) 220-4683 ◊ Write us at MTD LLC • P.O. Box 361131 • Cleveland, OH • 44136-0019 reserves the right to change product specifications, designs and equipment without notice and without incurring obligation.

  • Page 3: Safe Operation Practices

    Important Safe Operation Practices WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury.
  • Page 4 If not fuctioning properly, contact an authorized MTD Service Dealer for safety system inspection and repair. Slow down before turning. Operate the machine smoothly.
  • Page 5 (5) five seconds after operating the blade disengagement control. If the blades do not stop within the this time frame, your machine should be serviced professionally by an authorized MTD Service Dealer. Regularly check the safety interlock system for proper function, as described later in this manual.

  • Page 6: Spark Arrestor

    Check the blade(s) and engine mounting bolts at frequent intervals for proper tightness. Also, visually inspect blade(s) for damage (e.g., excessive wear, bent, cracked). Replace the blade(s) with the original equipment manufacturer’s (O.E.M.) blade(s) only, listed in this manual. “Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety!”...
  • Page 7 2 — s ectiOn peratiOn ractices...

  • Page 8: Assembly & Set-Up

    Assembly & Set-Up Contents of Crate • One Lawn Tractor • One RZT Tractor Operator’s Manual TRACTOR PREPARATION Remove the upper crating material from the shipping pallet, and cut any bands or tie straps securing the tractor to the pallet. Use the lift handle to raise the deck to its highest position.
  • Page 9 Slide the flat washer onto the hex screw. From the outside, insert the hex screw w/washer through the control lever slot and the hole of the pivot bracket. Secure with the flange lock nut. See Figure 3-3. Figure 3-3 Note the relative position of the control lever to the pivot bracket, then repeat the previous steps to reposition the other control lever in approximately the same position.

  • Page 10: Controls & Features

    Controls and Features Deck Height Index Deck Lift Handle RH and LH Drive Control Levers Ignition Switch PTO Switch Transmission Bypass Rod (Not Shown) Cup Holder NOTE: References to LEFT, RIGHT, FRONT, and REAR indicate that position on the tractor when facing forward while seated in the operator’s seat.
  • Page 11 Each lever controls the respective RH or LH transmission. Consequently, these levers control all of the movements of the tractor. Driving and steering utilizing these control levers is quite different from conventional tractors, and will take some practice to master. Refer to “Operation” for instructions on using the control levers.
  • Page 12 Do not run the engine while this indicator is illuminated. Contact your authorized MTD service dealer to have the tractor and engine inspected. NOTE: The oil pressure indicator may illuminate when the ignition switch is in the ON position, but should turn off when the engine is started.

  • Page 13: Operation

    This tractor is equipped with a safety interlock system for the protection of the operator. If the interlock system should ever malfunction, do not operate the tractor. Contact your authorized MTD Service Dealer. • The safety interlock system prevents the engine...

  • Page 14: Starting The Engine

    Observe the hour meter / indicator panel. If the battery indicator light or oil pressure light come on, immediately stop the engine. Have the tractor inspected by your authorized MTD Service dealer. Cold Weather Starting When starting the engine at temperatures near or below freezing, ensure the correct viscosity motor oil is used in the engine and the battery is fully charged.

  • Page 15: Stopping The Engine

    • Start the disabled tractor following the normal starting instructions previously provided; then disconnect the jumper cables in the exact reverse order of their connection. • Have the tractor’s electrical system checked and repaired as soon as possible to eliminate the need for jump starting.
  • Page 16 IMPORTANT: Always maintain your grasp on the drive control levers. Do not release the levers to slow the tractor or to return to neutral. Turning the Tractor While Driving Forward WARNING!: When reversing the direction of travel, we recommend performing gradual ‘U’ turns where possible.

  • Page 17: Stopping The Tractor

    • To turn to the right while traveling in reverse, move the right drive control lever forward of the left lever. See Figure 5-8. REARWA RIGHT Figure 5-8 • The greater the fore-to-aft distance between the two levers, the sharper the tractor will turn. •...

  • Page 18: Operating The Pto

    Periodically check the safety interlock circuits to ensure they are working properly. If a safety circuit is not working as designed, contact you authorized MTD Service dealer to have the tractor inspected. DO NOT operate the tractor if any safety circuit is not functioning properly. To check the safety circuits, proceed as follows: •...
  • Page 19 Installing Mulching Plug (IF EQUIPPED) WARNING!: Before installing the mulching plug, place the PTO switch in the “OFF” position, engage the parking brake, turn the ignition key to the “OFF” position and remove the key from the switch to avoid accidental starting and injury.

  • Page 20: Maintenance & Adjustment

    Maintenance & Adjustments Maintenance WARNING! Before performing any maintenance or repairs, disengage the PTO, move the drive control levers fully outward in the neutral position, engage the parking brake, stop the engine and remove the key to prevent unintended starting. Engine Refer to the Briggs &...
  • Page 21 Battery Maintenance • The battery is filled with battery acid and then sealed at the factory. However, even a “maintenance free” battery requires some maintenance to ensure its proper life cycle. • Spray the terminals and exposed wire with a battery terminal sealer, or coat the terminals with a thin coat of grease or petroleum jelly, to protect against corrosion.
  • Page 22 RH Transmission Bypass Rod Figure 6-3 • Repeat the above procedure to engage the other bypass rod on the other side of the tractor. • After moving the tractor, disengage both bypass rods. Lift the rod and guide the flange of the rod back through the larger circular opening of the keyhole, then release the rod.
  • Page 23 Removing The Tractor From Storage • Check the engine oil. • Fully charge the battery and inflate the tires to the recommended pressure. • If drained before storing, fill the fuel tank with clean, fresh gasoline. • Add clean, fresh fuel. •...
  • Page 24 Leveling the Mower Deck When correctly adjusted the mower deck should be level side to side, and the front of the deck should be approximately 1/4 inch lower than the rear of deck. NOTE Check the tractor’s tire pressure before performing any deck leveling adjustments.
  • Page 25 Adjusting the Gauge Wheels WARNING!: Keep hands and feet away from the discharge opening of the cutting deck. NOTE: The deck gauge wheels are an anti-scalp feature of the deck and are not designed to support the weight of the cutting deck.

  • Page 26: Service

    Figure 7-2. Hex Tapp Screw Trim Strip If you have a recurring problem with blown fuses, have the tractor’s electrical system checked by your authorized MTD Service Dealer Relays and Switches There are several safety switches in the electrical system. If...
  • Page 27 • Working from the middle of the tractor, pivot the idler bracket and movable idler pulley rearward away from the backside of the ‘V” belt just far enough to lift the belt up and over the idler pulley. See Figure 7-3. Figure 7-3 •...
  • Page 28 Using the idler pulley to tension the belt. • Using the deck lift handle, raise the deck to the position that provides the most horizontal run of the belt between the deck idler pulleys and the PTO pulley on the bottom of the engine. •...
  • Page 29 Mower Blade Care WARNING!: Before performing any maintenance, place the PTO switch in the “OFF” position, engage the parking brake lever, turn the ignition key to the “OFF” position and remove the key from the switch. When servicing the mower deck, be careful not to cut yourself on the sharpened blades.
  • Page 30 Remove the internal cotter pin securing the ferrule to the transmission control arm and withdraw the ferrule. Wheel rotation should stop. If it does not, contact your authorized MTD Service Dealer. • If the rotation stops, adjust the ferrule up or down the control rod as necessary to align with the hole in the transmission control arm.

  • Page 31: Troubleshooting

    Troubleshooting Problem Engine fails to start PTO/Blade Engage knob engaged. Parking brake not engaged. Drive control levers not fully outward in neutral position. Spark plug wire(s) disconnected. Throttle control lever not in correct starting position. Choke not activated Fuel tank empty, or stale fuel. Blocked fuel line.

  • Page 32: Replacement Parts

    Component Phone (800) 800-7310 to order replacement parts or a complete Parts Manual (have your full model number and serial number ready). Parts Manual downloads are also available free of charge at www.mtdproducts.com. Part Number and Description 759-3336 Spark Plug (Champion RC12YC) BS-698083 Briggs &...
  • Page 33 Component Phone (800) 800-7310 to order replacement parts or a complete Parts Manual (have your full model number and serial number ready). Parts Manual downloads are also available free of charge at www.mtdproducts.com. 931-1032B 634-04237A Caster Wheel Assembly Part Number and Description 734-04155 Deck Wheel 925-1707D...

  • Page 34: Attachments & Accessories

    Attachments & Accessories The following attachments and accessories are compatible with your MTD RZT tractor. an authorized MTD Service Dealer or phone (800) 800-7310 for information regarding price and availability. Model Number 590-302-000 190-116-000 Description Double Bagger Mulch Plug...
  • Page 35 MTD Consumer Group Inc cannot deny warranty solely for the lack of receipts. As the lawn mower owner, you should however be aware that MTD Consumer Group Inc may deny you warranty coverage if your lawn mower or a part has failed due to abuse, neglect, or improper maintenance or unapproved modifications.

  • Page 36: Warranty

    MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States and/or its territories and possessions, and by MTD Products Limited with respect to new merchandise purchased and used in Canada and/ or its territories and possessions (either entity respectively, “MTD”).

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