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

MTD RZT Series Operator's Manual

Tractor with 50" or 54" mower deck
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See also: Operator's Manual
Safe Operation
Practices • Set-Up • Operation
• Maintenance
• Service • Troubleshooting
• Warranty
OPERATOR'S MANUAL
RZT Series Tractor
with 50" OR 54" Mower Deck
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PrintedIn USA
Form No.769-03660
(Dec, 2007)

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Summary of Contents for MTD RZT Series

  • Page 1 Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty OPERATOR'S MANUAL RZT Series Tractor with 50" OR 54" Mower Deck MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 PrintedIn USA Form No.769-03660 (Dec, 2007)

  • Page 2: Customer Support

    Choose from the options below: Visit us on the web at www.mtdproducts.com 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...

  • Page 3: Important Safe Operation Practices

    ImportantSafeOperationPractices 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 Ifnot Mow across slopes, not up and down. Exercise extreme functioning properly, contact anauthorized MTD Service Dealer forsafety s ystem i nspection and repair. caution when changing direction on slopes.
  • Page 5 Children When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. Tragic accidents can occur if the operator is not alert to the If this is not possible, then refuel such equipment presence of children. Children are often attracted to the...

  • Page 6: Spark Arrestor

    Check the blade(s) and engine mounting bolts at frequent Notice Regarding Emissions intervals for proper tightness. Also, visually inspect blade(s) Engines which are certified to comply with California and federal for damage (e.g., excessive wear, bent, cracked). Replace EPA emission regulations for SORE (Small Off Road Equipment) the blade(s) with the original...
  • Page 7 Sight and h01dthis levelwith a vertical tree... or a corner of a building... or a fence post £ 15 ° Usethis page as a guide to determine slopeswhere you may not operate safely. WARNING: Do not operate your lawn mower on such slopes.

  • Page 8: Assembly And Setup

    Assembly & Set-Up Contents of Crate • One Lawn Tractor • One Oil Drain Tube • One Deck Wash Hose Coupler • One RZT Tractor Operator's • One Briggs & Stratton Engine • One Product Registration Card Manual Operator's Manual TRACTOR P REPARATION Slide the seat adjust spacers into the slots of the pivot bracket.
  • Page 9 The tractor is shipped with an activated sealed battery, Flange Lock Nut ',, ,. Lever with the positive battery cable factory connected. negative cable must be connected. NOTE: Make sure the ignition switch is in the "OFF"position before attaching the battery cable. Pull the protective cap (if present) off the negative terminal...

  • Page 10: Controls And Features

    Controls and Features Figure 4-1 A. Deck Height Index Seat Adjustment Lever (Not Visible) B. Deck Lift Handle Fuel Tank Cap C. RH and LH Drive Control Levers Hour Meter/Indicator Panel Throttle Control D. Ignition Switch E. PTO Switch Choke Control F.
  • Page 11 K. Fuel Tank Cap _-'iOFF The fuel tank cap is located at the rear of the LH console. Turn the cap counterclockwise to unscrew and remove from the fuel tank. Always re-install the fuel cap tightly onto the fuel tank after removing. Figure 4-2 engine is running.
  • Page 12 Contact lower completely to disengage the parking brake. your autorized MTD service dealer to have the tractor and IMPORTANT: If the LH and RH drive control levers are not engine inspected. fully opened out in the neutral position when engaging...

  • Page 13: Operation

    • Do not operate the tractor with the mower deck Contact your authorized MTD Service Dealer. removed. Removal of the deck will change the balance • The safety interlock system prevents the engine of the tractor, and could contribute to a tractor rollover.
  • Page 14 Have the tractor is malfunctioning Periodically check the inspected by your authorized MTD Service dealer functions of the interlock system for proper Cold Weather Starting operation When starting the engine at temperatures near or below...
  • Page 15 • Start the disabled tractor following the normal starting Control Lever Moved Inward and in Neutral instructions previously provided; then disconnect the jumper cables in the exact reverse order of their connection. • Have the tractor's electrical system checked and ii : repaired as soon as possible to eliminate the need for...
  • Page 16 IMPORTANT: Always maintain your grasp on the drive Driving the Tractor In Reverse control levers. Do not release the levers to slow the tractor or WARNINGh Always look behind and down to retum to neutral. on both sides of the tractor before backing up.
  • Page 17 To turn to the right while traveling in reverse, move the To turn counterclockwise, move the right control lever right drive control lever forward of the left lever. See forward while simultaneously moving the left control Figure 5-8. lever rearward. See Figure 5-10. REARWARD RIGHT TURN COUNTERCLOCKWISE...
  • Page 18 If a safety circuit is not working both) control lever(s) is moved to the neutral or forward as designed, contact your authorized MTD Service dealer position. to have the tractor inspected. DO NOT operate the tractor...

  • Page 19: Maintenance And Adjustments

    Maintenance & Adjustments Maintenance SparkPlug The spark plugs should be cleaned and the gap reset WARNING! Before performing once a season. Refer to the Briggs & Stratton Owner's maintenance or repairs, disengage the PTO, Manual for correct plug type and gap specifications. move the drive control levers fully outward in the neutral position,...
  • Page 20 • NEVER connect (ordisconnect) battery charger clips Usingthe DeckWashSystem tothebattery whilethecharger isturned on,asitcan cause s parks. system, never engage the deck from any • Keep allsources ofignition (cigarettes, matches, WARNINGh When using the deck wash position other than the operator's seat of the lighters) away f romthebattery.
  • Page 21 Usingthe Transmission B ypass Rods • Recharge the battery before returning to service. Although the tractor may start, the engine charging If for any reason the tractor will not drive or you wish to system may not fully recharge the battery. move the tractor, the two hydrostatic transmissions equipped...
  • Page 22 NOTE: Remove the battery if exposed to prolonged AdjustingRH& LHDriveControlLevers periods of sub-freezing temperatures. Store in a cool dry The RH and LH drive control levers can be adjusted up or location where temperatures are above freezing. down and fore-and-aft for the comfort of the operator.
  • Page 23 • Tighten the flange lock nut to fix the control lever in • Retighten the hex cap screw on the left deck hanger the adjusted position bracket when proper adjustment is achieved. • Repeat the above procedure to adjust the other control Front to Back Leveling.
  • Page 24 Adjusting the50"Front and Rear Gauge Wheels Using the lift handle, set the deck in the desired height setting, then check the gauge wheel distance from the ground below If necessary adjust the front gauge wheels WARNINGh Keep hands and feet away from as follows: the discharge opening of the cutting...
  • Page 25 Maintenance Schedule Prior Before Every Every Every Every Each use 10 Hours 25 Hours SOHours 100Hours toStoring Check Engine OilLevel Check AirFilterfor Dirty,Loose orDamaged Parts Clean andRe-oilAirFilter's FoamPrecleaner Replace Air FilterElement Change Engine OilandReplace O ilFilter Clean BatteryTerminals LubeFrontPivotAxleandCaster Axles Clean Engine Cooling Fins LubeFrontDeckWheels Check SparkPlug Condition &...
  • Page 26 (marked NEG). Move the cable away from the checked by your authorized MTD Service Dealer. negative battery post. • Remove the hex cap screw and sems nut securing the Deck Removal...
  • Page 27 Working f romthemiddle ofthetractor, pivottheidler bracket. After lifting the front hanger rod out of the bracket andmovable i dlerpulley rearward away f rom slots, slide the deck rearward so that the rod can no thebackside ofthe'V"beltjustfarenough toliftthe longer engage the slots. beltupandovertheidlerpulley.
  • Page 28 WARNING! : The muffler at the rear of the \\4\ PTO Pulley tractor may be extremely hot, and could cause serious burns. Use extreme caution when near the muffler. Allow the muffler to fully cool PTO Belt before installing the belt. Using the idler pulley to tension the belt.
  • Page 29 Mower BladeCare TransmissionDrive Belt If the transmission drive belt becomes worn and causes the drive transmissions to slip, the drive belt must be replaced. maintenance, place the PTO switch in the To replace the drive belt, proceed as follows: ARNINGh Before performing "OFF"...
  • Page 30 Wheel rotation should stop. If it does not, contact your Figure 7-10 authorized MTD Service Dealer. • Loosen the jam nut on the stop bolt, then turn the stop • If the rotation stops, adjust the ferrule up or down the bolt counterclockwise to make it longer.

  • Page 31: Troubleshooting

    Troubleshooting Problem Cause Remedy Engine fails to start 1. PTO/Blade Engage knob engaged. 1. Place knob in disengaged (OFF) position. 2. Parking brake not engaged. 2. Engage parking brake. 3. Drive control levers not fully outward 3. Move drive control levers fully outward neutral position.

  • Page 32: Replacement Parts

    Replacement P arts Part Number Component Description 50" Deck 54" Deck 759-3336 759-3336 Spark Plug (Champion RC12YC) Air Filter Element BS-499486S BS-79210S(Incl. Precleaner) Precleaner BS-273638S BS-792303 BS-492932S BS-696854 Briggs & Stratton Oil Filter BS-691035 BS-695666 Briggs & Stratton Fuel Filter I __Belt (Mowing Deck)
  • Page 33 Part Number Component Description 50" Deck 54" Deck 925-1707D 925-1707D Battery 951-3124D 951-3124D Fuel Tank Cap 746-04214 746-04214 Choke Control/Cable Throttle Control/Cable 746-1086 746-1086 725-1745 725-1745 Ignition Discharge Chute 631-04070A 631-04070A Assembly 634-04323A 634-04323A Caster Wheel Assembly Phone (800) 800-7310 to order replacement parts or a complete Parts Manual (have your full model...

  • Page 34: Attachments & Accessories

    Attachments & Accessories The following attachments and accessories are compatible with your MTD ZT tractor. See your MTD retailer or dealer for information regarding price and availability. Model Number Description 590-303-000 Double Bagger- 50" Deck ONLY 190-193-000 Mulch Plug - 50" Deck ONLY 190-841-190 Mulch Kit - 54"...

  • Page 35: Warranty Statement

    Group Inc c annot deny warranty solely for t he lack o freceipts. As the lawn m ower owner, you should however be aware that MTD C onsumer Group Inc may deny y ou warranty coverage ifyour lawn m ower orapart has f ailed...

  • Page 36: Limited Warranty

    MANUFACTURER'S LIMITED WARRANTY The limited warranty set forth below is given by MTD LLC with c. Routine maintenance items such as lubricants, filters, blade respect to new merchandise purchased and used in the United States sharpening, tune-ups, brake adjustments, clutch adjustments,...

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