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TABLE OF CONTENTS

FINDING MODEL NUMBER

This Operator’s Manual is an important part of your new lawn tractor. It will help you assemble, prepare and 
maintain the unit for best performance. Please read and understand what it says. 

Before you start assembling your new equipment, please locate the model plate under the 
seat of the tractor and copy the information in the space provided below. A sample model plate is 
also given below. This information will be necessary to use the manufacturer’s web site and/or 
help from the Customer Support Department or an authorized service dealer. 

CUSTOMER SUPPORT

Please do NOT return the unit to the retailer from where it was purchased, without first contacting Customer Support.

If you have difficulty assembling this product or have any questions regarding the controls, operation or 
maintenance of this unit, you can seek help from the experts. Choose from the options below:

Visit whiteoutdoor.com for many useful suggestions. Click on Customer Support button and 
you will get the four options reproduced here. Click on the appropriate button and help is 
immediately available. 

To reach the Customer Support Line, please call 1(800) 949-4483

The engine manufacturer is responsible for all engine-related issues with regards to 
performance, power-rating, specifications, warranty and service. Please refer to the engine 
manufacturer’s Owner’s/Operator’s Manual, at the end of this manual, for more information.

Content

Page

Important Safe Operation Practices

3

Tractor Set-Up

7

Know Your Garden Tractor

10

Operating Your Garden Tractor

13

Making Adjustments

16

Maintaining Your Garden Tractor

18

Service

19

Off-Season Storage

23

Attachments & Accessories

24

Troubleshooting

25

Illustrated Parts List

26*

Warranty

Back

Content

Page

* Engine manual is included after the Illustrated Parts List in this manual.

Copy the model number here:

Copy the serial number here:

DEALER LOCATOR PHONE NUMBER: 800-949-4483

MTD  LLC
P. O. BOX  361131
CLEVELAND,OH 44136

www.whiteoutdoor.com

The answer you are
looking for could be just
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The answer you are
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Engine

Manual

Содержание White Outdoor GT2550

Страница 1: ...haust 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...

Страница 2: ...ick on Customer Support button and you will get the four options reproduced here Click on the appropriate button and help is immediately available To reach the Customer Support Line please call 1 800 949 4483 The engine manufacturer is responsible for all engine related issues with regards to performance power rating specifications warranty and service Please refer to the engine manufacturer s Own...

Страница 3: ...t intended for use on any public roadway 15 Do not operate the machine while under the influence of alcohol or drugs 16 Mow only in daylight or good artificial light 17 Never carry passengers 18 Disengage blade s before shifting into reverse Back up slowly Always look down and behind before and while backing to avoid a back over accident 19 Slow down before turning Operate the machine smoothly Avo...

Страница 4: ...rop offs ditches or embankments The mower could suddenly turn over if a wheel is over the edge of a cliff ditch or if an edge caves in 3 Do not try to stabilize the machine by putting your foot on the ground 4 Do not use a grass catcher on steep slopes 5 Do not mow on wet grass It may cause sliding 6 Do not shift to neutral and coast downhill Over speeding may cause the operator to lose control of...

Страница 5: ...requently as it is subjected to wear during normal operation Adjust and service as required 5 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 origina...

Страница 6: ...P E Do not mow on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in serious injury Operate RIDING mowers up and down slopes never across the face of slopes WARNING ...

Страница 7: ...ck Adjust the deck roller height so that the clevis pins are inserted in the second hole from the top of both the left hand deck roller bracket and the right hand deck roller bracket See Figure 3 or refer to Deck Roller Height Adjustment on page 9 for more detailed instructions Raise the deck lift arms up and out of the way by placing the deck lift lever in the top notch on the right fender Gently...

Страница 8: ...NT Be certain that the flat side of the PTO deck belt contacts the deck idler pulleys With the tension relieved carefully route the belt around the electric PTO clutch NOTE If necessary refer to the decal on the deck s surface or on page 19 of this manual for a detailed belt routing diagram Deck Support Pins Deck Stabilizer Bracket Deck Stabilizer Rod Deck Lift Arms Electric PTO Clutch Deck Idler ...

Страница 9: ...ller brackets up or down through the slots on the rear of the deck until desired position is reached then re attach with the clevis pins and hairpin clips just removed See Figure 4 IMPORTANT Be certain that the left roller bracket and the right roller bracket are set in the same position IMPORTANT After mounting the cutting deck perform any adjustments on the deck if necessary prior to operating t...

Страница 10: ... B PTO Power Take off Knob I Brake Pedal C Choke Control J Drive Pedal D Cup Holder K Cargo Net not shown E Throttle Control Lever L Deck Lift Lever F Parking Brake Button M Seat Adjustment Lever G Cruise Control Button H E A C G F D L J I M NOTE Steering Wheel not shown for clarity P 1 10 P B K ...

Страница 11: ...on of the drive pedal with the ball of your right foot not your heel to cause the tractor to travel in reverse Ground speed is also controlled with the drive pedal The further forward or rearward the pedal is pivoted the faster the tractor will travel The pedal will return to its original position when it is not depressed IMPORTANT Always set the parking brake when leaving the tractor unattended C...

Страница 12: ...nitor Hour Meter Your tractor is equipped with four indicator lights and an hour meter located on the left side of the dash panel See Figure 6 If the brake light or PTO light illuminates when attempting to start the unit proceed as follows It is normal for the oil light and the battery light to illuminate while the engine is cranking but if either illuminates while the engine is running follow the...

Страница 13: ...PORTANT Do not hold the key in the START position for longer than ten seconds at a time Doing so may cause damage to your engine s electric starter After the engine starts deactivate the choke control and place the throttle control in the FAST position NOTE Do not leave the choke control on while operating the tractor Doing so will result in a rich fuel mixture and cause the engine to run poorly S...

Страница 14: ...d in the rear of the tractor See Figure 8 Figure 8 Pull the hydrostatic bypass rod outward then up to lock it in place NOTE The transmission will NOT engage when the hydrostatic bypass rod is pulled out Return the rod to its normal position prior to operating the tractor IMPORTANT Never attempt to move the tractor manually without first engaging the relief valve Doing so will result in damage to t...

Страница 15: ... earlier in this section Engaging the PTO Engaging the PTO transfers power to the cutting deck or other separately available attachments To engage the PTO proceed as follows Move the throttle control lever to the FAST rabbit position Pull the PTO knob outward into the engaged ON position See Figure 9 Figure 9 Keep the throttle lever in the FAST rabbit position for the most efficient use of the cut...

Страница 16: ...OTE Threading the ball joints too far onto the drag links will cause the front tires to toe in too far Proper toe in is between 1 16 and 5 16 Front tire toe in can be measured as follows Place the steering wheel in position for straight ahead travel In front of the axle measure the distance horizontally from the inside of the left rim to the inside of the right rim Note the distance Behind the axl...

Страница 17: ... the outside of the right blade tip to the ground Both measurements taken should be equal If they re not proceed to the next step Loosen but do not remove the hex cap screw on the left deck hanger bracket See Figure 11B Balance the deck by using a wrench to turn the adjustment gear found immediately behind the hex cap screw just loosened clockwise up or counterclockwise down The deck is properly b...

Страница 18: ... Spark Plugs Clean the spark plugs and reset the gap once a season Spark plug replacement is recommended at the start of each mowing season Refer to the engine manual for correct plug type and gap specifications Cleaning the Engine and Deck Promptly wipe off any fuel or oil spilled on the machine Do not allow grass leaves and dirt to accumulate around the cooling fins of the engine or on any other...

Страница 19: ...g Deck Removal To remove the cutting deck proceed as follows Place the PTO knob in the disengaged OFF position and engage the parking brake Lower the deck by moving the deck lift lever into the bottom notch on the right fender Remove the PTO belt from around the electric PTO clutch Refer to Figure 16 Looking at the cutting deck from the left side of the tractor locate the deck support pin on the r...

Страница 20: ...se order NOTE Proper removal of the drive belt requires the removal of several tractor components Read through the following procedure prior to attempting it determine if you can successfully complete it Otherwise see your White Outdoor dealer IMPORTANT Note the routing of the lower drive belt around all the pulleys and the belt keepers if present before performing the following steps Locate the f...

Страница 21: ... keepers if present exactly as the old one was routed Refer to Figure 17 Tires Refer to the tire sidewall for exact tire manufacturer s recommended or maximum psi Do not overinflate Uneven tire pressure could cause the cutting deck to mow unevenly Cutting Blades Periodically inspect the blade adapter and or spindle for cracks or damage especially if you FRONT OF TRACTOR Fixed V idler Pulley Flat I...

Страница 22: ...to protect the tractor s electrical system from damage caused by excessive amperage If the electrical system does not function or your tractor s engine will not crank first check if the fuse has not blown Locate one fuse behind top of the dash panel on the support bar Locate the other inside the tractor frame next to the battery tray and under the seat Pull both fuses out and determine their condi...

Страница 23: ... good battery 9 Disconnect the other end of the positive jumper cable from the formerly dead battery Off Season Storage Clean and lubricate the tractor as instructed on page 19 before storing for an extended period Follow instructions in the Seasonal Storage section of the engine manual for proper engine care prior to storing your tractor It is not necessary to remove the battery from the tractor ...

Страница 24: ...rd mounts on front of tractor OEM 190 604 FastAttach Yard Mate Storage Container Toolbox mounts on rear of tractor OEM 190 607 FastAttach Deluxe Tractor Sunshade OEM 190 608 FastAttach Sleeve Hitch Manual Lift OEM 190 822 FastAttach 46 inch Front Dozer Blade OEM 190 823 42 inch Two stage Snowthrower OEM 190 824 Sleeve Hitch with Electric Lift OEM 190 841 Mulch Kit OEM 190 842 FastAttach Triple Bag...

Страница 25: ...ll with clean fresh gasoline 6 Replace air cleaner cartridge element or clean pre cleaner if so equipped Engine overheats 1 Engine oil level low 2 Air flow restricted 1 Fill crankcase with proper capacity and weight of engine oil 2 Clean grass clippings and debris from around the engine s cooling fins and blower housing Engine hesitates at high RPM 1 Spark plug s gap too close 1 Remove spark plug ...

Страница 26: ...26 SECTION 1 PARTS LIST FOR MODEL GT 2550 B C C A B A 11 40 13 12 4 20 17 38 28 25 23 35 39 19 36 29 27 30 4 41 1 37 3 7 1 19 3 18 1 8 6 22 15 31 20 17 26 4 18 10 2 32 21 24 5 9 2 Part of 26 42 43 44 ...

Страница 27: ...low 33 751 0658E Fuel Tank 3 Gallon 34 751 0603 Fuel Cap 35 725 1745 Ignition Key w Plastic Cover 725 1744 Ignition Key 36 710 0726 Self tapping Screw 5 16 18 x 75 37 783 1000A Grille Support Bracket 38 725 04036 Systems Indicator Monitor 39 725 1741 Ignition Switch 40 625 0051 Headlight Assembly 41 710 1611B Self tapping Screw 5 16 18 x 75 42 746 1085 Choke Control 43 783 0728 Pivot Bar Bracket 4...

Страница 28: ...28 Model GT 2550 39 46 14 40 45 37 43 42 36 48 50 14 8 52 17 21 10 20 12 23 21 22 24 6 2 52 18 25 19 5 3 6 26 32 49 47 44 16 30 28 38 33 27 31 34 51 11 28 13 35 54 53 58 29 56 57 29 59 9 55 ...

Страница 29: ...rew 5 16 18 x 625 29 710 0895 Self tapping Screw 1 4 15 x 75 30 731 1990 Lift Lever Cover 31 731 1993 Cover w Cup Holder 32 736 3078 Flat Washer 349 x 1 0 x 063 33 783 0677 Lift Adjustment Bracket 34 783 1279 Fender 35 783 1489 Seat Mounting Bracket 36 710 1268 Screw 10 16 x 375 37 712 0324 Hex Lock Nut 1 4 20 38 720 0309A Seat Adjuster Grip 39 731 04074 Spacer 40 732 0499 Compression Spring 41 x ...

Страница 30: ...30 Model GT 2550 24 29 2 1 2 5 3 9 6 38 7 10 12 13 11 13 14 15 16 18 19 21 20 22 20 25 26 27 28 30 29 34 30 36 32 37 39 33 11 8 6 4 23 35 40 32 ...

Страница 31: ...astic Bushing 38 ID 21 741 0656 Hex Flange Bearing 5 8 22 738 0372B Shoulder Spacer 38 ID 23 631 04008 Steering Wheel Soft Grip Three Spoke 24 731 04065 Steering Wheel Cover 25 638 0017 LH Axle Assembly 750 Dia 26 638 0018 RH Axle Assembly 750 Dia 27 719 0525C Cast Iron Pivot Bar w Fittings 750 28 712 0431 Flange Lock Nut 3 8 16 29 714 0162 Cotter Pin 30 726 0341 Push Cap 750 32 736 0285 Flat Wash...

Страница 32: ...1 30 13 35 10 36 9 37 6 19 21 34 32 12 43 28 29 3 7 15 23 26 13 15 16 33 55 55 16 45 45 64 62 61 17 54 59 46 25 16 41 60 51 67 27 9 16 52 13 16 56 66 14 47 57 63 54 59 60 17 49 73 44 50 42 4 68 16 7 33 38 5 1 14 8 2 24 16 31 22 27 13 74 ...

Страница 33: ... Transmission Torque Bracket 38 783 0745 Speed Control Bracket 39 783 0782 Switch Actuator Bracket 40 647 0031B Brake Control Assembly 41 647 0049 Drive Control Assembly 42 683 0267C Hydro Pedal Assembly 43 710 0650 Self tapping Screw 5 16 18 x 875 44 710 1260A Self tapping Screw 5 16 18 x 75 45 711 0736 Ferrule 1 4 20 46 711 1363 Pin 3 8 16 x 2 43 47 732 0335 Compression Spring 40 OD x 1 17 48 73...

Страница 34: ...36 35 32 29 24 25 23 30 30 36 35 41 42 41 42 For reference only 25 43 32 44 40 45 46 47 48 9 9 15 Ground Wire IMPORTANT For a proper working machine use Factory Approved Parts V belts are designed to engage and disengage safely A substitute non OEM V belt can be dangerous by not disengaging completely 50 ...

Страница 35: ...12 0271 Hex Sems Nut 1 4 20 22 712 3087 Wing Nut 1 4 20 23 725 1426 Solenoid 12 Volt 100 Amp 24 710 0599 Self Tapping Screw 1 4 20 x 5 25 736 0222 Lock Washer 1 4 26 783 1033A Hitch Plate 27 748 0415B Spacer 3 8 x 1 54 28 756 0627B Idler Pulley 3 5 29 783 0349 Battery Tray 30 712 0459 Flange Lock Nut 7 16 20 31 783 04467 Deck Stop 32 710 0726 AB Screw 5 16 12 x 75 33 732 04035 Compression Spring 3...

Страница 36: ...61 26 45 14 22 27 29 74 23 16 64 44 64 37 29 72 25 20 57 68 56 29 73 29 69 5 68 60 57 20 29 36 46 63 4 15 51 40 29 6 17 17 75 3 67 3 7 14 16 29 47 58 32 14 30 54 31 29 24 71 1 35 39 59 38 65 43 65 39 23 27 38 10 23 27 29 A A 55 33 62 28 22 76 13 23 22 77 23 23 14 78 70 ...

Страница 37: ...Cotter 3 32 x 1 25 38 715 0108 Pin Spring 1 4 Dia x 1 00 39 714 0162 Cotter Pin 40 717 1553B Adjustment Deck Gear 41 721 04041 Water Nozzle Adaptor 43 731 0335 Roller Deck 44 731 3005 Front Roller 45 731 3131A Deflector Chute 46 732 0306 Spring Compression 406 x 531 x 1 75 47 732 0459 Spring Extension 94 Dia x 6 74 48 732 0934 Spring Extension 1 15 Dia x 5 99 49 732 3070 Torsion Spring 44 I d x 2 ...

Страница 38: ...ENOID 725 1426 YEL RED BLU WHT L M G A2 A1 Mechanical Rev Kill HEADLIGHTS HEADLIGHTS SEAT SWITCH 725 1303 725 1439 725 1716 PTO SWITCH RED ORG WHT YEL BLK ORG ORG BLK YEL WHT RED WHT S GRN OIL SENSOR BLK FUSE 20 AMP KEY SWITCH 725 1741 START B S A1 RUN 2 B A1 RUN 1 B A1 L A2 OFF G M A1 A2 M L S G B A1 A2 M L S G B A1 S B A2 L S M G B A1 A2 M L G A1 ...

Страница 39: ......

Страница 40: ...it is your responsibility to read this Operator s Manual Follow these basic rules for your per sonal safety Keep this manual handy at all times for future reference Read it carefully and familiarize yourself with operating maintenance components and safety instructions Notice Regarding Emissions NOTE Engines which are certified to comply with California and U S EPA emission regulations for SORE Sm...

Страница 41: ...th covers or guards removed Rotating parts can cause severe injury Keep hands feet hair jewelry and clothing away from all moving parts A Avoid Carbon Monoxide Poisoning All engine exhaust contains carbon monoxide a deadly gas Breathing carbon monoxide can cause headaches dizziness drowsiness nausea confusion and eventually death Carbon monoxide is a colorless odorless tasteless gas which may be p...

Страница 42: ...ne This period relates to the emission compliance life as certified by EPA CARB To find the life period specification for your engine please look on your decal and find the letter en closed by quotation marks in between the words MODER ATE and LIFE PERIOD Match one of the following letters with the letter printed on your D O M Decal C 250 hours B 500 hours A 1000 hours If you have a general unders...

Страница 43: ...s below ADD mark slowly add oil to reach FULL level See Figure 1 5 Screw oil fill cap back into oil filler tube Tighten securely 6 Wipe away any spilled oil C Filling Fuel Tank Gasoline fuel vapors are highly flam mable and can explode Fuel vapors can spread and be ignited by a spark or flame many feet away from engine To prevent injury or death from fuel fires follow these instructions 1 Stop eng...

Страница 44: ...warm engine after a short shutdown move Com bined Control to FAST instead of CHOKE or START po sition See Figures 3 and 4 3 Push starter button or turn ignition switch key see equipment manufacturer s instructions to start engine STOP SLOW RUN FAST CHOKE Figure 4 Typical Engine Symbols Figure 3 Combined Speed and Choke Control Table 3 Engine Sections With Electric Starter If your engine has Go to ...

Страница 45: ...er 3 attempts repeat steps 2 thru 3 4 When engine starts a Release starter button or ignition switch key b Move choke control to 1 2 CHOKE position until engine runs smoothly c Next move control to NO CHOKE position See Figure 6 5 Move speed control to desired speed in RUN range NOTES If engine starts but falters when choke is moved to NO CHOKE position a Momentarily move choke control back to FUL...

Страница 46: ... first 2 operating hours and every 25 operating hours thereafter more often if operated in extremely dusty or dirty conditions Engine should still be warm but not hot from recent use 1 Be sure you find the correct drain plug location if present See equipment manufacturer s instructions See Figure 8 NOTE The Twin Cylinder Engines have two spark plug connections 2 Disconnect spark plug wires and kee...

Страница 47: ...bris from the following the Air Intake Screen See Figure 10 Removing debris will insure adequate cooling correct engine speed and reduce the risk of fire C Spark Plug Check both spark plugs yearly or every 100 operating hours 1 Clean area around spark plug 2 Remove and inspect spark plug 3 Replace spark plug if porcelain is cracked or if elec trodes are Pitted Burned Fouled with deposits 4 Check e...

Страница 48: ...icing Paper Filters Paper filters cannot be cleaned and must be replaced once a year or every 100 operating hours more often if used in extremely dusty conditions Replacement filters are avail able at an Authorized Tecumseh Servicing Dealer NOTE DO NOT clean a paper filter III Filter Removal Installation 1 Remove wing nuts from air cleaner cover See Figure 12 2 Remove air cleaner cover while lifti...

Страница 49: ...ry can be dangerous and will VOID THE ENGINE WARRANTY G Adjustments DO NOT make any engine adjustments Factory settings are satisfactory for most conditions If adjustments are needed contact your Authorized Tecumseh Servicing Dealer H Fuel Filter Removal Installation 1 Remove hose clamp on hose See Figure 13 2 Slide hose clamp away from filter repeat for other clamp 3 Remove hoses from fuel filter...

Страница 50: ... during storage This product is avail able from your Authorized Tecumseh Servicing Dealer 1 Add fuel preservative stabilizer according to manufacturer s instructions 2 Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetors NOTES Always follow mix ratio found on stabilizer container Failure to do so may result in equipment damage DO NOT drain stabilizer from carbure...

Страница 51: ... fuel fires follow these instructions 1 Disconnect both spark plug wires and keep them away from spark plugs by attaching them securely to their grounding posts See Figure 3 2 Remove spark plugs 3 Squirt 1oz 30ml of clean engine oil into each spark plug hole 4 Cover each spark plug hole with a rag to prevent fuel from spraying out of spark plug hole when starter rope is pulled 5 Grasp starter cord...

Страница 52: ... any Tecumseh Registered Service Dealer Tecumseh Authorized Service Distributor or Tecumseh Central Warehouse Distributor as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days Warranty service can be arranged by contacting either a Authorized Tecumseh Servicing Dealer or by contacting Tecumseh Products Co c o Service Manager Engin...

Страница 53: ...placement as required maintenance in the Owner s Manual shall be warranted for the period of time prior to the first scheduled replacement point for that part If the part fails prior to the first scheduled replacement the part shall be repaired or replaced by Tecumseh Products Co according to Subsection 4 below Any such emissions related part repaired or replaced under the ECS Warranty shall be wa...

Страница 54: ...parts and labor only the second 5 years covering parts only on electronic ignition 4 For purposes of this warranty policy consumer use shall mean consumer s personal residential household use by the original retail purchaser 5 For purposes of this warranty policy commercial use shall mean all other uses including use for commercial income producing or rental purposes 6 The engine warranty category...

Страница 55: ...YOUR NOTES ...

Страница 56: ...justments and normal deterioration of the exterior finish due to use or exposure d Service completed by someone other than an authorized service dealer e MTD does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD s authorized channels of export distribution f Replacement parts that are not genuine MTD pa...

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