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Columbia 79G Operator's Manual

Hydrostatic lawn tractor
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Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
'
operator
s manual
Model Series 79G Hydrostatic Lawn 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
769-05794
1.8.10

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Summary of Contents for Columbia Columbia 79G

  • Page 1 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 769-05794...

  • Page 2: Table Of Contents

    Please have your unit’s model number and serial number ready when you call. See previous section to locate this information. In the U.S.A.: MTD LLC at P.O. Box 361131, Cleveland, Ohio 44136-0019. Phone: 1-877-282- 8684. In Canada: MTD Canada, 97 Kent Avenue, Kitchener, ON N2G 4J1 Phone: 1-800-668-1238 or...

  • 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 Use extra care when loading or unloading the machine into a trailer or truck. This machine should not be driven up or Mow up and down slopes, not across. Exercise extreme down ramp(s), because the machine could tip over, causing caution when changing direction on slopes.
  • Page 5 Service Children 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: Spark Arrestor

    Do not modify engine Periodically check to make sure the blades come to complete stop within approximately (5) five seconds after To avoid serious injury or death, do not modify engine in any operating the blade disengagement control. If the blades way.

  • Page 7: Safety Symbols

    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 WARNING—...
  • Page 8 2 — i ection mportant peration ractices...

  • Page 9: Assembly & Set-Up

    Assembly & Set-Up Assembly & Set-Up Tractor Set-Up NOTE: If the battery is put into service after the date shown on top/side of battery, charge the battery as instructed in the NOTE: This Operators Manual covers a range of product Maintenance section your Operator’s Manual prior to operating specifications for various models.
  • Page 10 Attaching The Steering Wheel Attaching The Seat If the steering wheel for your tractor did not come attached, the If the seat for your tractor was not attached at the factory, follow hardware for attaching it has been packed within the steering the applicable instructions below to attach it.
  • Page 11 Mulch Plug (optional) Setting the Deck Gauge Wheels (if so equipped) Note: See the Attachments & Accessories section if you would Move the tractor on a firm and level surface, preferably like information regarding adding a mulching system for your pavement, and proceed as follows model of tractor.

  • Page 12: Controls & Features

    Controls and Features Parking Brake Lever Ammeter Brake Pedal Throttle/Choke Lever Ignition Switch Module Speed Control Lever PTO (Blade Engage) Lever Deck Lift Lever Figure 4-1 Lawn Tractor controls and features are illustrated in Fig 4-1 and described on the following pages. WARNING! Read and follow all safety rules and instructions in this manual, including the entire Operation section, before attempting to operate this machine.

  • Page 13: Throttle Control Lever

    Throttle Control Lever On/Lights The throttle control lever is located on the right side of the Start tractor’s dash panel. This lever controls the speed of the engine and, on some models, when pushed all the way forward, the choke control also. When set in a given position, the throttle will maintain a uniform engine speed.

  • Page 14: Brake Pedal

    To stop the engine, turn the ignition key counterclockwise to the OFF position. See Fig. 4-3B. Ignition Switch Module To start the engine, insert the key into the ignition switch and turn clockwise to the START position. Release the key into the NORMAL MOWING MODE position once the engine has fired.

  • Page 15: Operation

    The red indicator light at the top, left corner of the key malfunction, do not operate the tractor. Contact an authorized switch module will be ON while activated. See Fig. 5-1. MTD service dealer. • The safety interlock system prevents the engine from...

  • Page 16: Stopping The Engine

    Once activated (indicator light ON), the tractor can be Engage the tractor’s parking brake. driven in reverse with the cutting blades (PTO) engaged. Activate the choke control. Always look down and behind before and while backing to Turn the ignition key clockwise to the START position. After make sure no children are around.

  • Page 17: Engaging The Blades

    The lawn tractor is brought to a stop by depressing the Models without Reverse Caution Mode: brake pedal. The PTO (blade engage) lever must be in the disengaged (OFF) position when starting the engine, when traveling in reverse, and Set the parking brake by fully depressing the brake pedal if the operator leaves the seat.
  • Page 18 Moving The Tractor Manually Your tractor’s transmission is equipped with a hydrostatic relief valve for occasions when it is necessary to move the tractor manually. Activating this valve forces the fluid in the transmission to bypass its normal route, allowing the rear tires to “freewheel.” To engage the hydrostatic relief valve, proceed as follows: Locate the hydrostatic bypass rod in the rear of the tractor.

  • Page 19: Maintenance & Adjustment

    Maintenance & Adjustments Maintenance NOTE: The oil filter should be changed at every oil change interval. To complete an oil change, proceed as follows: WARNING! Before performing any maintenance or Run the engine for a few minutes to allow the oil in the repairs, disengage PTO, move shift lever into neutral crankcase to warm up.
  • Page 20 Replace the oil filter as instructed in the Kohler Owner’s Cleaning Battery Manual. Clean the battery by removing it from the tractor and washing Refill the engine with new oil. Refer to the Engine with a baking soda and water solution. If necessary, scrape the Operator/Owner Manual packed with your unit for battery terminals with a wire brush to remove deposits.
  • Page 21 IMPORTANT: Deck Wash System™ After cleaning your deck with the Deck Wash System™ , return to the operator’s position and engage the PTO. If your tractor’s deck is equipped with a water port on its surface Keep the cutting deck running for a minimum of two minutes, as part of its Deck Wash System™, follow these instructions to allowing the underside of the cutting deck to thoroughly dry.

  • Page 22: Seat Adjustment

    Side to Side Hex Cap Screw If the cutting deck appears to be mowing unevenly, a side to side adjustment can be performed. Adjust if necessary as follows: With the tractor parked on a firm, level surface, place the deck lift lever in the top notch (highest position) and rotate both blades so that they are perpendicular with the tractor.

  • Page 23: Maintenance Schedule

    Maintenance Schedule Before Every Every Every Every Prior Each use 10 Hours 25 Hours 50 Hours 100 Hours to Storing Clean Hood/Dash Louvers Check Engine Oil Level Check Air Filter for Dirty, Loose or Damaged Parts Clean and Re-oil Air Filter’s Foam Pre-cleaner Replace Air Filter Element Change Engine Oil and Replace Oil Filter Clean Battery Terminals...

  • Page 24: Service

    Service Service Cutting Deck Removal On 38” Decks: Looking at the cutting deck from the left side of the tractor, locate the bow-tie pin that secures the NOTE: Models equipped with a 38-inch deck have one deck idler deck support rod on the rear left side of the deck. See Fig. pulley.
  • Page 25 On 42” & 46” Decks: Looking at the cutting deck from the Carefully remove the PTO cable from the rear of the left side of the tractor, locate the deck support pin on the cutting deck by removing the hair pin clip which secures it. rear left side of the deck.

  • Page 26: Cutting Blades

    Cutting Blades Jump Starting WARNING! WARNING! Never jump start a damaged or frozen Shut the engine off and remove battery. Be certain the vehicles do not touch, and ignition key before removing the cutting blade(s) for ignitions are off. Do not allow cable clamps to touch. sharpening or replacement.

  • Page 27: Dealer

    (i.e. air/impact wrench) in order to change the removing the belt. tractor’s drive belt. See an authorized MTD Service Dealer to Remove the deck belt from around all pulleys, including have your drive belt replaced or contact Customer Support as the deck idler pulley.
  • Page 28 38-Inch Deck Engine Pulley Idler Bracket Deck Idler Pulley Figure 7-9 42 & 46-Inch Deck Figure 7-10 7— s 7— s ection ection ervice ervice...

  • Page 29: Troubleshooting

    Troubleshooting Problem Cause Remedy Engine fails to start PTO/Blade engaged. Place knob (or lever) in disengaged (OFF) position. Spark plug wire disconnected. Connect wire to spark plug. Fuel tank empty, or stale fuel. Fill tank with clean, fresh (less than 30 days old) gas.

  • Page 30: Attachments & Accessories

    Attachments & Accessories The following attachments and accessories are compatible for Model Series 700 Lawn Tractors. See the retailer from which you purchased your tractor, an authorized Service Dealer or phone (800) 668-1238 for information regarding price and availability. CAUTION: Series 700 Lawn Tractors are NOT designed for use with any type of ground-engaging attachments (e.g.

  • Page 31: Replacement Parts

    Replacement Parts DESCRIPTION PART NO. Drive Belt (Mowing Deck) 38” Deck 754-04062 Drive Belt (Mowing Deck) 42” Deck 754-04060B Drive Belt (Mowing Deck) 46” Deck 754-04219 Deck Blade (38” Deck) 742-0610A Deck Blade (42” Deck) 742-04308 Deck Blade (46” Deck) 742-04290 Deck Spindle (38”...

  • Page 32: Emission Control Warranty Statement

    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 33 • Vapor lines NOTE: If you require warranty service in Canada and your product was sold by MTD Products Limited within Canada to the retailer you purchased it from in Canada then the MTD Consumer Group Inc portion of this warranty will be honored by MTD Products Limited in Canada.

  • Page 34: Warranty

    Damage resulting from the installation or use of any part, accessory or attachment not approved by MTD for use with the product(s) covered by this manual will void your warranty as to any resulting damage.
  • Page 35 ORIGINAL EQUIPMENT REPLACEMENT PART USED ON OR IN A PRODUCT UNDER WARRANTY WILL BE EXCLUDED FROM THAT WARRANTY COVERAGE, AS WILL BE ANY RELATED DAMAGED COMPONENTS RESULTING FROM THE INSTALLATION OF A NON-COLUMBIA REPLACEMENT PART. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-800-800-7310, 1-330-220-4683 1.07.10...
  • Page 36 Notes...

This manual is also suitable for:

79g series

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