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Columbia RZT L Series Operator's Manual

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OPERATOR'S MANUAL
RZT L Series Tractor
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.
LES DISTRIBUTIONS RVI LIMITÉE, 2955, JEAN-BAPTISTE DESCHAMPS, LACHINE, QUEBEC H8T 1C5
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
769-08893
2.25.13

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May 25, 2025

what is the part number for a replacement exhaust on a 23 hp 7000 series kt730 columbia 50 inch rzt.

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Summary of Contents for Columbia RZT L Series

  • Page 1 OPERATOR’S MANUAL RZT L Series Tractor 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. LES DISTRIBUTIONS RVI LIMITÉE, 2955, JEAN-BAPTISTE DESCHAMPS, LACHINE, QUEBEC H8T 1C5 MTD LLC, P.O.

  • Page 2: Table Of Contents

    To The Owner Thank You Please read this entire manual prior to operating the equipment. This product has met the rigid safety standards of the Outdoor It instructs you how to safely and easily set up, operate and Power Equipment Institute and an independent testing maintain your machine.

  • 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 Never leave a running machine unattended. Always turn Slope Operation off blade(s), place transmission in neutral, set parking Slopes are a major factor related to loss of control and tip-over brake, stop engine and remove key before dismounting. accidents which can result in severe injury or death. All slopes Use extra care when loading or unloading the machine into require extra caution.
  • Page 5 Children Service Tragic accidents can occur if the operator is not alert to the Safe Handling of Gasoline: presence of children. Children are often attracted to the machine and the mowing activity. They do not understand To avoid personal injury or property damage use extreme the dangers.
  • Page 6 Periodically check to make sure the blades come to Do not change the engine governor settings or over-speed complete stop within approximately (5) five seconds after the engine. The governor controls the maximum safe operating the blade disengagement control. If the blades operating speed of the engine.
  • Page 7 Safety Symbols This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. Symbol Description READ THE OPERATOR’S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate.
  • Page 8 2 — I ECTION MPORTANT PERATION RACTICES...

  • Page 9: Assembly & Set Up

    Assembly & Set-Up Contents of Crate One RZT Tractor One Oil Drain Tube One Deck Wash Hose Coupler One Tractor Operator’s Manual One Engine Operator’s Manual One Hardware Pack NOTE: This Operator’s Manual covers several models. Tractor Remove the two shoulder screws and lock nuts in the seat features may vary by model.
  • Page 10 Position Drive Control levers Connecting the Battery Cables The drive control levers of the tractor are lowered for shipping CALIFORNIA PROPOSITION 65 WARNING purposes. The hex screws and flat washers that normally secure Battery posts, terminals, and related accessories the control levers in their operating position are in a hardware contain lead and lead compounds, chemicals known pack inside your manual bag.
  • Page 11 Lower Deck Discharge Chute Deflector Adjusting the Seat To adjust the position of the seat, pull up and hold the seat WARNING! Never operate the mower deck adjustment lever. Slide the seat forward or rearward to the desired without the chute deflector installed and in the position;...

  • Page 12: Controls & Features

    Controls & Features Deck Lift Handle Deck Height Index Throttle Control or Throttle/Choke Control LH Drive RH Drive Hour Meter/ Control Lever Control Lever Indicator Panel Seat Adjustment Lever Choke Control PTO Switch Fuel Level Window Ignition Switch Fuel Tank Cap Cup Holder Storage Tray LH Transmission Bypass Rod...
  • Page 13 Ignition Switch Fuel Tank Cap The ignition switch is located on the RH console The fuel tank cap is located near the middle of the LH console. to the rear of the PTO switch. The ignition switch Turn the fill cap approximately 1⁄4 turn and pull upward to has three positions as follows: remove.
  • Page 14 Indicator Panel Features Throttle Control (If so equipped) Battery Indicator The throttle control is located on the RH console to the left of the hour meter/indicator panel. When set in a given Illuminates and the battery voltage is displayed briefly when the position, a uniform engine speed will be maintained.

  • Page 15: Operation

    Operation General Safety Unleaded gasoline is recommended because it leaves less combustion chamber deposits and reduces harmful exhaust RECEIVE INSTRUCTION — Entirely read this operator’s emissions. Leaded gasoline is not recommended and must manual. Learn to operate this machine SAFELY. Do not risk not be used where exhaust emissions are regulated.
  • Page 16 As the engine warms up, gradually pull the throttle/choke Starting the Engine control lever rearward past the choke detent position or WARNING! This tractor is equipped with a safety slowly disengage the choke on models with a separate interlock system designed for the protection of the choke.
  • Page 17 NOTE: If the control levers are not even in the neutral Practice Operation (Initial Use) position, refer to Maintenance & Adjustments for Operating a zero-turn tractor is not like operating a conventional instructions to adjust the levers so that they are even. type riding tractor.
  • Page 18 Turning the Tractor While Driving Forward To execute a “pivot turn,” move the turn side drive control lever to the neutral position, while moving the other WARNING! When reversing the direction of travel, control lever forward. we recommend performing gradual ‘U’ turns where NOTE: Making a “pivot turn”...
  • Page 19 Turning While Driving Rearward Executing a Zero Turn To turn the tractor while driving rearward, move the control WARNING! When executing a zero turn, the tractor levers as necessary so that one lever is forward of the other. The MUST BE STOPPED. Executing a zero turn while the tractor will turn in the direction of the forward control lever.
  • Page 20 Stopping the Tractor Using the Mower Deck Move both drive control levers to the neutral position to WARNING! Make certain the area to be mowed is stop the motion of the tractor. free of debris, sticks, stones, wire or other objects that can be thrown by the rotating blades.
  • Page 21 Checking the Safety Interlock Circuits Periodically check the safety interlock circuits to ensure they are working properly. If a safety circuit is not working as designed, contact you dealer to have the tractor inspected. DO NOT operate the tractor if any safety circuit is not functioning properly.

  • Page 22: Maintenance & Adjustment

    Maintenance & Adjustments Maintenance Schedule Before Every Every Every Every Prior Each use 10 Hours 25 Hours 50 Hours 100 Hours to Storing Check Engine Intake Screen/Cover Clean Battery Terminals Lube Front Wheels Clean Engine Cooling Fins Lube Front Deck Wheels NOTE: This Operator’s Manual covers several models.
  • Page 23 Engage the PTO. Always keep the battery cables and terminals clean and free of corrosion. Remain in the operator’s position with the cutting deck Avoid tipping. Even a sealed battery will leak electrolyte engaged for a minimum of two minutes, allowing the when tipped.
  • Page 24 Engage the transmission bypass rods, one on each side of Referring to the engine manual, drain the fuel the tractor, to move the tractor manually without starting from the carburetor bowl. it. The transmission bypass rods are located on the rear of Clean the engine and the entire tractor thoroughly.
  • Page 25 To adjust the drive control levers forward/rearward, proceed as Loosen, but do NOT remove, the hex bolt on the rear left follows: deck hanger link. See Figure 6-4.NOTE: The rear right deck hanger link is not adjustable and is used to help adjust the If not already loose, loosen the hex screw and rotate the other hanger links.
  • Page 26 Using a wrench, raise or lower the front of deck by turning lock nut on the front deck lift rod. See Figure 6-5. Front Gauge Wheel Shoulder Screw Lock Nut Gauge Wheel Bracket Index Holes Lock Figure 6-6 Front Deck Lift Rod Adjusting the Rear Deck Rollers (If so equipped) The rear deck rollers can be set in either the low or high position.
  • Page 27 Removing the Riding Mower from Storage Off-Season Storage Check the engine oil. Riding Mower Storage Fully charge the battery, lower riding mower off blocks, If your riding mower is not going to be operated for an extended and inflate the tires to the recommended pressure. period of time (thirty days to approximately six months), the riding Remove the spark plugs and wipe them off.

  • Page 28: Service

    Service Battery Removal Charging the Battery Test and, if necessary, recharge the battery after the tractor has WARNING! Battery posts, terminals and related been stored for a period of time. accessories contain lead and lead compounds. Wash hands after handling. A voltmeter or load tester should read 12.6 volts (DC) or higher across the battery terminals.
  • Page 29 Releasing Belt Tension with the Idler Pulley Rolling the Belt off the PTO Pulley Using the deck lift handle, raise the deck to the position Using the deck lift handle, raise the deck to the position that that provides the most horizontal run of the belt between provides the most horizontal run of the belt between the deck the deck idler pulleys and the PTO pulley on the bottom of idler pulleys and the PTO pulley on the bottom of the engine.
  • Page 30 Pull the cotter pin out of the front deck lift rod securing it Deck Installation to the deck. See Figure 7-6. Slide the deck lift rod out of the Install the deck on the tractor as follows: front hanger bracket. Place the deck lift handle in the highest mowing position See Figure 7-3.
  • Page 31 Place the belt around the idler pulleys removed in step 3 Replacing the Belt with the “V” side facing in. Once in place, reinstall all the hardware and tighten the flange lock nut to secure the 42” Deck assembly. See Figure 7-8. Remove the deck from beneath the tractor, (refer to Deck Route the belt as shown in Figure 7-8 and then reinstall the Removal on page 28).
  • Page 32 Remove the belt from the spindle pulleys. Remove the two idler pulleys by removing the hex screws and flange lock nuts that secure them to the deck and the Install the new belt around the spindle pulleys as shown idler arm. See Figure 7-13. Do not lose any of the hardware and reinstall the belt covers.

  • Page 33: Service Dealer

    Mower Blade Care Changing the Transmission Drive Belt WARNING! Several components must be removed and special tools used in Before performing any maintenance, order to change the tractor’s transmission drive belt. See your place the PTO switch in the “OFF” position, engage the authorized service dealer to have the transmission drive belt parking brake lever, turn the ignition key to the “OFF”...

  • Page 34: Troubleshooting

    Troubleshooting Problem Cause Remedy Excessive vibration 1. Cutting blade loose or unbalanced. 1. Tighten blade and spindle. 2. Damaged or bent cutting blade. 2. Replace blade. Uneven cut 1. Deck not leveled properly. 1. Perform side-to-side deck adjustment. 2. Dull blade. 2.

  • Page 35: Replacement Parts

    Replacement Parts Component Part Number and Description 954-04033A Deck Belt, RZT L42 954-04317 Drive Belt 942-04312 Deck Blade, RZT L42 918-04822A Deck Spindle, RZT L42 734-04155 Deck Wheel 925-1707D Battery 951-12428 Fuel Tank Cap NOTE: Download a complete Parts Manual, refer to customer support on page 2. Be sure to have your model number and serial number ready.
  • Page 36 Component Part Number and Description 946-04830A Throttle/Choke Control Cable (w/Kohler) 925-1745A Ignition Key 631-04349 Discharge Chute Assy., RZT L42 634-04293-0911 Wheel Assembly, RZT L42 634-04237B Caster Wheel Assy., RZT L42 NOTE: Download a complete Parts Manual, refer to customer support on page 2. Be sure to have your model number and serial number ready.

  • Page 37: Accessories

    Attachments & Accessories The following attachments and accessories are compatible with your RZT L tractor. See your dealer or the retailer from which you purchased your tractor for information regarding price and availability. Part Number Part 19B70020 19B70020OEM 42” & 46” Twin Bagger 19A30006 19A30006OEM 42”...

  • Page 38: Emissions Control Warranty Statement

    FEDERAL and/or CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS MTD Consumer Group Inc, the United States Environmental Protection Agency (EPA), and, for those products certified for sale in the state of California, the California Air Resources Board (CARB) are pleased to explain the emission (evaporative and/or exhaust) control system (ECS) warranty on your outdoor 2006 and later small off-road spark-ignited engine and equipment (outdoor equipment engine) In California, new outdoor equipment engines must be designed, built and equipped to meet the State’s stringent anti-smog standards (in other states, 1997 and later model year equipment must be designed, built, and equipped to meet the U.S.
  • Page 39 6. The outdoor equipment engine owner will not be charged for diagnostic labor that is directly associated with diagnosis of a defec- tive, emission-related warranted part, provided that such diagnostic work is performed at a warranty station. 7. MTD Consumer Group Inc is liable for damages to other engine or equipment components proximately caused by a failure under warranty of any warranted part.

  • Page 40: Warranty

    For equipment purchased in Canada only. THREE YEAR LIMITED WARRANTY The limited warranty set forth below is given by MTD Products Limited with respect to new merchandise purchased and used in Canada and/or its territories and possessions (either entity respectively, “MTD”). MTD warrants this product (excluding its normal wear parts as described below) against defects in material and workmanship for a period of three (3) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in materials or workmanship.
  • Page 41 THREE YEARS- 120 Hrs. LIMITED WARRANTY For three (3) years-120 hrs. whichever come first, from the date of original purchase of COLUMBIA products, COLUMBIA will either repair or replace, at its option, free of charge, F.O.B. factory or authorized service firm, any part found to be defective in material and workmanship.
  • Page 42 Notes...

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