Cub Cadet GT 2550 Operator's Manual
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Cub Cadet GT 2550 Operator's Manual

2500 series
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O
M
PERATOR'S
ANUAL
SERIES 2500
TRACTOR
Model Number
GT 2550
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 [www.cubcadet.com]
PRINTED IN U.S.A.
FORM NO. 769-01478
(10/04)

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Summary of Contents for Cub Cadet GT 2550

  • Page 1 Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019. CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 [www.cubcadet.com] PRINTED IN U.S.A.

  • Page 2: Emission Control Systems Warranty

    KOHLER CO. FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS LIMITED WARRANTY SMALL OFF-ROAD EQUIPMENT ENGINES The U.S. Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and Kohler Co. are pleased to explain the Federal and California Emission Control Systems Warranty on your small off-road equipment engine (herein engine). For California, engines produced in 1995 and later must be designed, built and equipped to meet the state’s stringent anti-smog standards.

  • Page 3: Table Of Contents

    CONTENTS Section Page Section Page Emission Control Systems Warranty ... Off-Season Storage ......Tractor Preparation ......Mowing..........Safe Operation Practices ..... Optional Equipment and Accessories . Product Graphics ......... Maintenance Chart....... To The Owner ........Trouble Shooting........Calling Service Information ....Lubrication Table .......

  • Page 4: Safe Operation Practices

    WARNING • The engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. • This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered, or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
  • Page 5 When going downhill, the extra weight may exhaust presenting a potential fire hazard. cause you to loose control and possibly overturn the tractor. 22. Use only accessories approved for this machine by Cub Cadet. Read, understand and follow all III. CHILDREN instructions provided with approved accessory.
  • Page 6 6. To avoid back-over accidents, always disengage 8. After striking a foreign object, stop the engine, the cutting blades before shifting in reverse. The remove the wire from the spark plug and "Reverse Caution Mode" should not be used thoroughly inspect the mower for any damage. when children or others are around.

  • Page 7: Product Graphics

    PRODUCT GRAPHICS ing, painted over or can no longer be read. Replace- ment safety graphics are available through your Keep product safety graphics (decals) clean. Replace dealer. any safety graphic that is damaged, destroyed, miss- STARTING INSTRUCTIONS BE FAMILIAR WITH CONTROLS BEFORE D A N G E R STARTING ENGINE AND OPERATING.

  • Page 8: To The Owner

    LEVEL SURFACE before pulling the transmission release lever to the disengaged position. Your local authorized Cub Cadet dealer is interested in the performance you receive from your tractor, and with the maintenance needed to ensure the satisfactory operation of your tractor. The dealer has trained service personnel familiar with the latest servicing information, is equipped with the latest tools, and has a complete line of genuine Cub Cadet service parts which assure proper fit and high quality.

  • Page 9: Controls And Indicators

    SECTION I. CONTROLS AND INDICATORS Your Cub Cadet Tractor has been safety engineered. Thoroughly acquaint yourself with all the controls and This section gives a brief description of the function indicators before attempting to start or operate the and location of the various controls and indicators.
  • Page 10 KEY SWITCH MODULE tery voltage is also displayed on the hour meter. If this indicator and display come on during oper- ation, check the battery and charging system for INDICATOR possible causes and/or contact your Cub Cadet REVERSE LIGHT PUSH dealer.
  • Page 11 • START — Energizes the starter motor to crank The brake lock lever, located in the center of the and start the tractor engine. Release the key as dash panel below the steering wheel, is identified soon as the engine starts and the key will return with the symbol.
  • Page 12 If the interlock sys- stalled. tem should ever malfunction, do not operate the trac- tor. Contact your authorized Cub Cadet Dealer. The safety interlock system prevents the engine from N. SEAT ADJUSTMENT LEVER cranking or starting unless the brake pedal is fully de- The seat adjustment lever (See Figure 6) is used to pressed, and the PTO switch is in the “OFF”...
  • Page 13 HOOD AND SIDE PANELS 3. Grasp the side panel just behind the grille and pull outward to release the side panel from the The tractor hood is arranged to swing up and forward tapered bushings on the grille. for easy access to the engine compartment (See Fig- ure 8).

  • Page 14: Operation

    SECTION II. OPERATION Methyl Tertiary Butyl Ether (MTBE) and unleaded gasoline blends (up to a maximum of 15% MTBE WARNING by volume) are approved fuels. Other gasoline/ ether blends are not approved. RECEIVE INSTRUCTION Read 4. Check the engine and transmission oil levels. operator’s manual.
  • Page 15 STARTING THE ENGINE 5. Turn the ingnition key to the “START” position and hold until the engine starts; however, do not crank the engine continuously for more than 10 WARNING seconds at a time. Once the engine starts, gradually adjust the choke as needed to keep the engine For personal safety, the operator must be sitting running until warmed up, then push the choke control in the tractor seat when starting the engine.
  • Page 16 b. Lightly push the cruise control lever downward DRIVING THE TRACTOR as far as possible and hold in this position. c. While continuing to hold the cruise lever down, CAUTION lift your foot from the forward control pedal (you should feel the cruise latch engage). Avoid sudden starts, excessive speed and d.
  • Page 17 Back the tractor with implement up the steepest portion OPERATING THE POWER TAKE-OFF (PTO) CLUTCH of each slope you intend to work. If the tractor cannot IMPORTANT: NEVER engage the PTO clutch while its negotiate the slope in reverse, the slope is too steep to driven equipment is under load (e.g., mower deck low- be worked.
  • Page 18 USING THE “REVERSE CAUTION MODE” KEY 2. Turn the key from the “NORMAL MOWING” POSITION (Green) position to the “REVERSE CAUTION MODE” (Yellow) position of the key switch The “REVERSE CAUTION MODE” position of the key module. Refer to Figure 10. switch module allows the machine to be operated in re- verse with the blades (PTO) engaged.

  • Page 19: Adjustments

    SECTION III. ADJUSTMENTS This section contains adjustment information for the To adjust the braking force proceed as follows (Refer Model GT 2550 tractor. Adjustment information for the to Figure 12): 50 inch deck is located in Section V – Mower Deck 1.
  • Page 20 WHEEL ALIGNMENT 5. Disconnect the front ball joints from the steering arms by removing the hex lock nuts (Refer to The front wheels should toe-in approximately 1/8 to Figure 14). Manually move each wheel to achieve 1/4 inch, as measured across dimensions A and B the required toe-in and equal D measurements.
  • Page 21 2. Pivot the ends of the axle up and down to check for binding. If the axle is binding, loosen the lock nuts WARNING (See Figure 15) until binding is eliminated. Place the tractor on a firm and level surface and chock the front wheels before raising the rear PIVOT AXLE wheels from the ground.
  • Page 22 CONTROL 1. Front Control Rod 2. Rear Control Rod 3. Hex Tap Screw 4. Hex Wash Hd Tapp Screw 5. Control Arm 6. Control Arm Pin 7. Neutral Arm 8. Centering Pin 9. Neutral Return Adjust. Brkt. 10. Internal Cotter Pin Figure 16 Adjusting the Control Rod ADJUSTING LIFT ASSIST SPRING TENSION...
  • Page 23 CARBURETOR ADJUSTMENTS NOTE WARNING Carburetor adjustments should be made only When making adjustments to the carburetor after the engine has warmed up. while the engine is running, disengage the PTO 1. Start the engine and run at half throttle for 5 to 10 clutch and engage the brake pedal lock.

  • Page 24: Maintenance

    OIL LEVEL are recommended. DIPSTICK Ambient Temperature Viscosity (Grade SG/SH) OPERATING +32°F and Above — Cub Cadet Engine Oil S.A.E. RANGE 10W30 Below +32°F — Cub Cadet Engine Oil S.A.E. 5W20 or S.A.E. 5W30* OIL FILLER *Synthetic Engine Oil S.A.E. 5W20 or S.A.E. 5W30 is acceptable, up to 40°F.
  • Page 25 For best results, fill to the “FULL” mark on the change interval. The filters can be obtained dipstick as opposed to adding a given quantity through your Cub Cadet dealer under part of oil. Always check the level on the dipstick number KH-12-050-08.
  • Page 26 While the engine oil is warm, proceed as follows: FILLING THE CRANKCASE NOTE CAUTION A 12 inch length of flexible tubing is supplied in the owner’s manual package and should be Never overfill the engine crankcase. The engine used to drain the engine oil. may overheat and/or damage may result if the crankcase is below the “LOW”...
  • Page 27 The filter can be obtained through your Cub Cadet dealer under the part number 923-3014. Refer to the LUBRICATION TABLE for information regarding the oil capacity and the proper type of oil to pour into the transmission case.
  • Page 28 2. Remove the foam precleaner by sliding it up off the paper element (Refer to Figure 23). CAUTION 3. Wash the precleaner in warm water with detergent. Rinse the precleaner thoroughly until all If the transmission oil is to be re-used, cover the traces of the detergent are eliminated.
  • Page 29 3. Remove the wing nut and element cover plate, SPARK PLUG then lift out the paper air filter element. 4. Do not wash the paper element or use pressurized WARNING air, as this will damage the element. Replace a dirty, bent or damaged element. Handle new To avoid possible injury, be sure the engine is elements carefully;...
  • Page 30 Replace headlight bulbs as follows: (See Figure 25) GENERAL BATTERY INFORMATION 1. Unplug the wire harness leads from the headlight socket terminals. Note which wire connects to WARNING each terminal before disconnecting. a. Battery posts, terminals related 2. Rotate the socket assembly as follows to remove accessories contain lead...
  • Page 31 STORAGE OF THE BATTERY 1. When storing the tractor for extended periods, disconnect the negative battery cable. It is not WING NUT necessary to remove the battery. 2. All batteries discharge during storage. Keep the ROTATE HOLDDOWN exterior of the battery clean, especially the top. A UPWARD STRAP TAB dirty battery will discharge more rapidly.
  • Page 32 CHARGING THE BATTERY Tire SizePounds per Square Inch Test and, if necessary, recharge the battery after the Front Tires tractor has been stored for a period of time. 16 x 6.5–8 • A voltmeter or load tester should read 12.6 volts (DC) or higher across the battery terminals.

  • Page 33: Mower Deck

    SECTION V. MOWER DECK A. INSTALLATION AND REMOVAL OF DECK SLOT IN REAR INSTALLATION OF DECK DECK BRACKET (BOTH SIDES) WARNING Before installing the mower deck, place the PTO switch in the “OFF” position, engage the brake pedal lock, turn the ignition key to the “OFF”...
  • Page 34 5. Release the tractor quick-attach rod to capture the front lift rod/bracket assembly in the tractor REAR DECK BRACKET SLOTS latch receivers (See Figure 30). IMPLEMENT LIFT LINKS DECK SUPPORT QUICK ATTACH ROD PIN DISENGAGED Figure 32 CAPTURED LIFT ROD/ 8.

  • Page 35: Warning

    12. Twist the two sides of the PTO belt 1/4 turn inward to engage the narrow sides of the belt into the WARNING grooves of the two tractor front-lower pulleys (See Figure 36). The deck idler arm lever is spring loaded. Release it slowly.

  • Page 36: Warning

    15. While holding the belt in position, rotate the deck idler arm lever into its stop bracket to tension the STOP BRACKET PTO belt (Refer to Figure 38). Make certain the IDLER ARM PTO belt is properly positioned in the PTO clutch LEVER pulley and both lower front pulleys.

  • Page 37: Warning

    6. Pull the deck support pins outward, turn downward and release so both spring-loaded WARNING pins are held in the disengaged position against the outer surface of the deck brackets (See If the engine has been recently operated, the Figure 44). exhaust system, engine, and surrounding areas will be hot.
  • Page 38 9. From the front of the tractor, push downward and NOTE: To aid in sliding the deck out from under the hold the tractor quick-attach rod. Pull the front lift tractor, turn the steering wheel as needed to obtain more rod/bracket assembly forward to release the room as you maneuver the deck from under the tractor.

  • Page 39: Warning

    B. DECK LEVELING ADJUSTMENTS 5. Referring to Figure 49, measure and record the distance from the hard, level surface to the outer- In order to achieve even cutting, the mower deck must most cutting edge of the right blade. Repeat this be properly leveled.
  • Page 40 9. Raise the lift handle to the highest position and 4. Refer to Figure 53. Measure and record the recheck the blade measurements described in distance from the front cutting edge to the ground step 5. If the blade measurements are not within (measurement A), and from the rear cutting edge 1/16 inch, repeat steps 6, 7 and 8.

  • Page 41: Warning

    GAUGE WHEEL ADJUSTMENT c. Again place the tractor implement lift handle in the normally desired mowing height setting. WARNING FRONT BALL GAUGE WHEEL SHOULDER WHEEL Before making any adjustments, place the PTO SCREWS BRACKET switch in the “OFF” position, engage the brake REAR pedal lock, turn the ignition key to the “OFF”...

  • Page 42: Warning

    CUTTING HEIGHT ADJUSTMENT When removing the blades, use a 1-1/8 inch wrench to hold the hex head of the spindle bolt when loosening The mower can be set in multiple positions. NOTE: If the hex nut securing the blade. A block of wood may multiple settings are used while mowing, it may be be placed between the deck housing and the cutting necessary to adjust the gauge wheels for each setting...
  • Page 43 • Pull back the lock collar of the nozzle adapter and LUBRICATION push the adapter onto one of the deck wash After every 10 hours of operation and/or before putting nozzles at either end of the mower deck. Release the deck into winter storage, lubricate the spindle as- the lock collar to lock the adapter on the nozzle.
  • Page 44 SPINDLE DRIVE BELT REPLACEMENT In order to replace the spindle drive belt, refer to Figure 58 and Figure 59 and proceed as follows: 1. Disengage the idler arm lever from its stop bracket and rotate the lever to the outside of the deck to release the spring tension.

  • Page 45: Off-Season Storage

    SECTION VI. OFF-SEASON STORAGE If the machine is to be inoperative for a period longer 2. If emptying the fuel system: than days, following procedures recommended: WARNING Do not drain fuel when the engine is hot. Allow WARNING the engine adequate time to cool. Drain fuel into an approved container outdoors, away from Never store the tractor with fuel in the tank open flame.

  • Page 46: Mowing

    SECTION VII. MOWING MOWING WARNING To avoid possible injury, do not allow anyone in the area opposite the discharge chute while mowing. Although area been supposedly cleared of foreign objects, small objects may be picked up and discharged by the mower. Never direct the discharge of material toward bystanders or allow anyone near the machine while in operation.

  • Page 47: Optional Equipment And Accessories

    Refer to the allied equipment can be purchased from, and installed attachment guide for a complete description of by, your authorized Cub Cadet dealer. equipment and required components that can be utilized with your tractor.

  • Page 48: Maintenance Chart

    MAINTENANCE CHART 10 hours 30 hours or 50 hours 100 hours Operation to Before or once three times or twice Before be performed each use a month a season a season yearly storage Clean grille, engine More often air inlet screen, dash under dirty intake screen and side conditions...

  • Page 49: Trouble Shooting

    TROUBLE SHOOTING Possible Cause Possible Remedy HARD TO START No gasoline in fuel tank or carburetor ..... Fill the tank with gasoline. Check the fuel line, carburetor and fuel filter. Fuel line or carburetor clogged........ Clean the fuel line and carburetor with a commercial carburetor cleaner.
  • Page 50 TROUBLE SHOOTING Possible Cause Possible Remedy LACK OF POWER Air cleaner clogged ..........Service the air cleaner element. Refer to “MAINTE- NANCE.” Engine overload ............Reduce the load. Engine overheated..........Make sure the air intake screen, shrouding, engine fins, side panels, dash intake screen and grille are free of accumulated dirt and debris.

  • Page 51: Lubrication Table

    Cub Cadet Drive System Fluid Plus and transaxle with before needed 6 qts NOTE: Cub Cadet Drive System Fluid Plus is specially filter each formulated for this application. If any other oil is used Cub Cadet will not be responsible for substandard performance.

  • Page 52: Lubrication Guides

    LUBRICATION GUIDE WARNING The service life and reliability of any machine depends upon the care it is given. Proper lubrication is a very important part of that care. This lubrication schedule reflects the minimal requirements to maintain the equipment. More frequent inspections and maintenance is preferable. NOTE: We do not recommend the use of a pressure Lubricant is cheap.

  • Page 53: Lubrication Guide

    LUBRICATION GUIDE —Before Each Use 1. Engine filler cap and Check the oil (with the engine stopped) and add sufficient new oil to bring it to dipstick the “FULL” mark on the dipstick. Do not overfill. Do not operate the engine if the oil level is below the “LOW”...
  • Page 54 LUBRICATION GUIDE...

  • Page 55: Slope Gauge

    SLOPE GAUGE (Keep this sheet in a safe place for future reference.)

  • Page 57: Specifications

    Engine Speed (governed) Low Speed ..............1200 RPM High Speed (no load) ........... 3600 RPM ± 75 Ignition ................Battery Spark Plug Gap (Cub Cadet No. 759-3336) .....030 in. ELECTRICAL SYSTEM System Voltage ............... 12 volt neg. ground Battery ................725-1707D Alternator .................

  • Page 58: Warranty - Commercial Use

    CUB CADET CORPORATION MANUFACTURER’S ONE YEAR LIMITED WARRANTY (COMMERCIAL USE) The limited warranty set forth below is given by CUB CADET CUB CADET does not extend any warranty for LLC (“CUB CADET”) with respect to new merchandise products sold or exported outside of the United...

  • Page 59: Warranty - Residential Use

    CUB CADET will, at its option, repair or re- warranted product. place, free of charge, any PTO clutch or mounting hardware found to be defective in material or workmanship provided this product has been operated and maintained as set forth above.

  • Page 60: Maintenance Parts Chart

    MAINTENANCE PARTS CHART MODEL GT2550 SERIES 2500 21 HP KOHLER ENGINE OIL Engine Oil Requirements approx. . . 4 pints Part No. Cub Cadet engine oil Ambient temperature viscosity (Grade SG,SH,SJ or higher) Above +32°F SAE 10W30 737-3030A (10W30) Below +32°F...

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