Husqvarna GTH2550 Owner's Manual
  1. Manuals
  2. Brands
  3. Husqvarna Manuals
  4. Lawn Mower
  5. GTH2550
  6. Owner's manual
Husqvarna GTH2550 Owner's Manual

Husqvarna GTH2550 Owner's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

GTH2550
Owner's Manual

Advertisement

Table of Contents
loading

Related Manuals for Husqvarna GTH2550

Summary of Contents for Husqvarna GTH2550

  • Page 1 GTH2550 Owner’s Manual...

  • Page 2: Safety Rules

    SAFETY RULES Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. I. GENERAL OPERATION • Avoid starting or stopping on a slope.
  • Page 3 SAFETY RULES Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. • Be sure the area is clear of other people before mowing. Look for this symbol to point out important Stop machine if anyone enters the area.

  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS CONGRATULATIONS on your purchase of a new tractor. It has been designed, engineered and manufactured to give you the best possible dependability and performance. GASOLINE CAPACITY 3.5 GALLONS AND TYPE: UNLEADED REGULAR Should you experience any problem you cannot easily remedy, please contact your nearest authorized service OIL TYPE (API-SF-SJ): SAE 30 (above 32°F)

  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Gauge Wheels Steering Wheel (4) Shoulder Bolts Steering (4) Wheels Wheel Insert Steering (4) Locknuts Wheel (4) Adjusting Bars 3/8-16 Seat (4) Brackets (4) Clevis Pins (4) Retainer Springs (double loop) (1) Washer 17/32 x 1-3/16 x 12 Gauge (4) Washers 3/8 x 3/4 x 14 Ga.

  • Page 6: Assembly

    ASSEMBLY Your new tractor has been assembled at the factory with exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your tractor all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to insure proper tightness.
  • Page 7 ASSEMBLY INSTALL SEAT (See Fig. 3) TO DRIVE TRACTOR OFF SKID (See Opera- tion section, page 12, for location and func- Adjust seat before tightening adjustment knob. tion of controls) • Remove adjustment knob and flat washer securing seat to cardboard packing and set aside for assembly of seat WARNING: Before starting, read, understand and follow to tractor.
  • Page 8 ASSEMBLY INSTALL MOWER AND DRIVE BELT ASSEMBLE GAUGE WHEELS AND BRACK- (See Figs. 6 and 7) ETS TO MOWER DECK (See Fig. 5) Be sure tractor is on level surface and mower suspension The gauge wheels are designed to keep the mower deck in arms are raised with attachment lift control.

  • Page 9: Check Tire Pressure

    ASSEMBLY FRONT ELECTRIC SUSPENSION CLUTCH BRACKETS PULLEY DOUBLE LOOP CHASSIS FRONT RETAINER BRACKET MOWER SPRING BRACKET FRONT PLATE ASSEMBLY GAUGE WHEEL SINGLE LOOP RETAINER FLANGED PIN SPRINGS DOUBLE LOOP RETAINER ANTI-SWAY SPRING USE PLIERS FOR RETAINER SPRINGS SUSPENSION ARMS DOUBLE LOOP RETAINER SPRING (OUTWARD POINTING DECK PINS) LOOP...
  • Page 10 ASSEMBLY C HECKLIST BEFORE YOU OPERATE AND ENJOY YOUR NEW TRAC- TOR, WE WISH TO ASSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PRODUCT. PLEASE REVIEW THE FOLLOWING CHECKLIST: All assembly instructions have been completed. No remaining loose parts in carton. Battery is properly prepared and charged.

  • Page 11: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. BATTERY CAUTION OR REVERSE FORWARD FAST SLOW WARNING LIGHTS ON OVER TEMP ENGINE ON ENGINE OFF OIL PRESSURE LIGHT PARKING BRAKE UNLOCKED MOWER LIFT FUEL...
  • Page 12 OPERATION KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR. Compare the illustrations with your tractor to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. LIGHT SWITCH HOURMETER AMMETER LIFT LEVER...

  • Page 13: How To Use Your Tractor

    OPERATION The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety mask over spectacles or standard safety glasses.

  • Page 14: To Operate On Hills

    OPERATION NOTE:Adjust gauge wheels with tractor on a flat level TO OPERATE ON HILLS surface. • Adjust mower to desired cutting height (See “TO AD- CAUTION: Do not drive up or down hills JUST MOWER CUTTING HEIGHT” in the Operation with slopes greater than 15°...

  • Page 15: Before Starting The Engine

    OPERATION BEFORE STARTING THE ENGINE TO START ENGINE (See Fig. 8) When starting the engine for the first time or if the engine has CHECK ENGINE OIL LEVEL (See Fig. 12) run out of fuel, it will take extra cranking time to move fuel from the tank to the engine.
  • Page 16 OPERATION PURGE TRANSMISSION MOWING TIPS • Tire chains cannot be used when the mower housing is CAUTION: Never engage or disengage attached to tractor. freewheel lever while the engine is run- • Mower should be properly leveled for best mowing ning.

  • Page 17: Customer Responsibilities

    CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check Brake Operation Check Tire Pressure Check Operator Presence and Interlock Systems Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension...

  • Page 18: Operator Presence System

    CUSTOMER RESPONSIBILITIES IMPORTANT: TO ENSURE PROPER ASSEMBLY, CENTER TRACTOR HOLE IN BLADE MUST ALIGN WITH STAR ON MANDREL Always observe safety rules when performing any mainte- ASSEMBLY. nance. • Reassemble hex bolt, lock washer and flat washer in exact order as shown. BRAKE OPERATION •...

  • Page 19: Clean Air Screen

    CUSTOMER RESPONSIBILITIES V-BELTS • To open, pull out on the drain valve. • After oil has drained completely, close and lock the drain Check V-belts for deterioration and wear after 100 hours of valve by pushing inward and turning clockwise until the operation and replace if necessary.
  • Page 20 CUSTOMER RESPONSIBILITIES IMPORTANT: PETROLEUM SOLVENTS, SUCH AS IN-LINE FUEL FILTER (See Fig. 19) KEROSENE, ARE NOT TO BE USED TO CLEAN THE The fuel filter should be replaced once each season. If fuel CARTRIDGE. THEY MAY CAUSE DETERIORATION OF THE CARTRIDGE. DO NOT OIL CARTRIDGE. DO NOT filter becomes clogged, obstructing fuel flow to carburetor, USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE.

  • Page 21: Service And Adjustments

    SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key “OFF” and remove key. •...
  • Page 22 SERVICE AND ADJUSTMENTS NOTE: Each full turn of adjustment nut will change mower TO REPLACE MOWER DRIVE BELT height about 3/16". MOWER DRIVE BELT REMOVAL (See Fig. 24) - • Recheck measurements after adjusting. • Park tractor on a level surface. Engage parking brake. FRONT-TO-BACK ADJUSTMENT (See Figs.
  • Page 23 SERVICE AND ADJUSTMENTS • Adjust the three nylon locknuts until space between TO REPLACE MOWER BLADE DRIVE BELT clutch plate and rotor measures .012" at all three slot (See Fig. 25) locations cut in side of brake plate. Park the tractor on level surface. Engage parking brake. NOTE: After installing a new electric clutch, run tractor at full •...
  • Page 24 SERVICE AND ADJUSTMENTS TO REPLACE MOTION DRIVE BELT TO ADJUST MOTION CONTROL LEVER (See Fig. 28) (See Fig. 29) Park the tractor on level surface. Engage parking brake. For The motion control lever has been preset at the factory and ease of service there is a belt installation guide decal on adjustment should not be necessary.
  • Page 25 SERVICE AND ADJUSTMENTS FRONT WHEEL CAMBER TO START ENGINE WITH A WEAK BATTERY (See Fig. 33) The front wheel camber is not adjustable on your tractor. If damage has occurred to affect the front wheel camber, contact your nearest authorized service center/department. CAUTION: Lead-acid batteries generate explosive gases.
  • Page 26 SERVICE AND ADJUSTMENTS REPLACING BATTERY (See Fig. 34) TO ADJUST ATTACHMENT LIFT SPRING CAUTION: Do not short battery termi- (See Fig. 35) nals by allowing a wrench or any other • While holding spring bushing with wrench, loosen jam object to contact both terminals at the nut.

  • Page 27: Engine Stop

    SERVICE AND ADJUSTMENTS ENGINE STOP TO ADJUST THROTTLE CONTROL CABLE (See Fig. 37) The throttle control has been preset at the factory and adjustment should not be necessary. Check adjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: •...

  • Page 28: Storage

    STORAGE Immediately prepare your tractor for storage at the end of the ENGINE season or if the tractor will not be used for 30 days or more. FUEL SYSTEM CAUTION: Never store the tractor with IMPORTANT: IT IS IMPORTANT TO PREVENT GUM gasoline in the tank inside a building DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM where fumes may reach an open flame...

  • Page 29: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Will not start Out of fuel. Fill fuel tank. Engine not “CHOKED” properly. See “TO START ENGINE” in Operation section. Engine flooded. Wait several minutes before attempting to start. Bad spark plug. Replace spark plug. Dirty air filter.

  • Page 30: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run Faulty operator-safety presence control system. Check wiring, switches and connections. If not when operator leaves seat corrected, contact an authorized service center/ with attachment clutch department. engaged Poor cut - uneven Worn, bent or loose blade.
  • Page 31 TRACTOR - - MODEL NO. GTH2550B SCHEMATIC BLACK BATTERY SOLENOID FUSE STARTER AMMETER (OPTIONAL) WHITE BLACK WHITE WHITE BLACK ELECTRIC CLUTCH CLUTCH / BRAKE (PEDAL UP) IGNITION BLACK SWITCH BLACK PTO (DISENGAGED) BLACK BLACK OPERATOR GREEN GREEN PRESENCE RELAY #1 BLACK SEAT SWITCH BLACK...

  • Page 32: Repair Parts

    REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B ELECTRICAL D .C...
  • Page 33 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B ELECTRICAL PART DESCRIPTION 532144926 Battery 874760412 Bolt Hex Head 1/4-20 x 3/4 532124886 Tray, Battery 532145211 Bolt, Battery Front 1/4-20 x 7.5 Zinc 532150109 Holddown Battery Front Mount 532145769 Nut, Push Nylon 1.4" Battery Front 532153664 Switch Interlock Push-In 532166184...
  • Page 34 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B CHASSIS AND ENCLOSURES...
  • Page 35 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B CHASSIS AND ENCLOSURES PART PART DESCRIPTION DESCRIPTION 532175465 Rail, Frame RH 532175315 Bracket Asm., Fender 532175282 Drawbar, Gt 817060620 Screw 3/8-16 x 1-1/4 819131614 Washer 13/32 x 1 x 14 Ga. 873800700 Nut, Lock Hex 7/16 Unc 532177582 Dash, Plastic...
  • Page 36 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B GROUND DRIVE...
  • Page 37 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B GROUND DRIVE PART PART DESCRIPTION DESCRIPTION - - - - - - Transaxle, Hydro 222-3010 532166624 Console Hydro Fender (Order Parts From Transaxle 532151179 Plate Console Shift Manufacturer) 873800500 Locknut Hex W/Washer Insert 532007070 Key 1/4 x 2.5 874490548...
  • Page 38 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B STEERING ASSEMBLY 37,39 38,40...
  • Page 39 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B STEERING ASSEMBLY PART DESCRIPTION 532166627 Wheel, Steering 532178557 Axle, Front 532124836 Fitting, Grease 532161849 Spindle Asm, LH 532161848 Spindle Asm., RH 532124931 Bearing, Race Thrust Harden 532121748 Washer 25/32 x 1-5/8 x 16 Ga. 812000029 Ring, Klip #T5304-75 532121232...
  • Page 40 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B ENGINE SPARK ARRESTER KIT PART PART DESCRIPTION DESCRIPTION - - - - - - - Engine Briggs, Model No. 445777 810040500 Washer (Order parts from engine manuf.) 532123487 Clamp Hose 532149723 Muffler Side 817490636 Screw TT 3/8-16 x 2-1/4 UNC 532121361...
  • Page 41 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B SEAT ASSEMBLY PART PART DESCRIPTION DESCRIPTION 532141525 Seat 872050412 Bolt, Carriage 1/4-20 X 1-1/2 532140551 Bracket, Pivot Seat 532121249 Spacer, Split 532140675 Strap, Fender 532123740 Spring, Cprsn 532127018 Bolt, Shoulder 5/16-18 X .62 532123976 Nut, Lock 1/4 Lge Flg Gr.
  • Page 42 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B DECALS PART PART DESCRIPTION DESCRIPTION 532176866 Decal, Hood, RH 532160397 Decal, V-Belt Schematic 532176867 Decal, Hood, LH 532170564 Decal, Ins. Strg Whl 532176776 Decal, Side Panel 532140837 Decal, Saddle Brake Parking 532170563 Decal, Warning 532106202 Reflector, Taillight...
  • Page 43 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B LIFT ASSEMBLY 35 73 PART PART DESCRIPTION DESCRIPTION 532121006 Rod Asm., Lever 873800800 Nut, Lock W/Wsh 1/2-13 Unc 532177535 Shaft Asm., Lift Vgt 532150233 Trunnion Infin Height 532159189 Lever Asm., Lift Rh 532110807 Nut, Special 812000022...
  • Page 44 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B MOWER DECK...
  • Page 45 REPAIR PARTS TRACTOR - - MODEL NO. GTH2550B MOWER DECK PART PART DESCRIPTION DESCRIPTION 532178897 Deck Asm., Mower 50" 532136574 Cover, Mandrel LH 873680500 Nut, Crownlock 5/16-18 532137272 Arm, Idler Primary 532138457 Bracket Asm., Sway Bar 532137273 Spring, Secondary 532124670 Retainer, Spring 532139245 Pulley, Idler V Groove...
  • Page 46 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHTING GUIDE SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. 15° MAX. Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face.

  • Page 47: Warranty

    Husqvarna dealer in a timely manner, no later than thirty (30) days (4) Lawn and garden attachments are covered by a third party that gives a warranty, all claims for from date of the operational problem or failure.
  • Page 48 532178466 2.28.01 TR Printed in U.S.A.

Table of Contents