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WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your mower. • DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down).
Table of Contents TABLE OF CONTENTS SECTION 1 - GENERAL INFORMATION ...................1 1.1 INTRODUCTION ............................1 1.2 DIRECTION REFERENCE ...........................1 1.3 SERvICING THE ENGINE AND DRIvE TRAIN COMPONENTS ..............1 1.4 SYMBOLS ..............................2 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................3 2.4 OPERATION CONSIDERATIONS ........................4...
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Table of Contents SECTION 6 - ADJUSTMENTS ....................23 6.1 PARkING BRAkE ADJUSTMENT ......................23 6.2 TRAvEL ADJUSTMENTS ..........................24 6.3 THROTTLE CONTROL AND CHOkE ADJUSTMENTS ................25 6.4 BELT ADJUSTMENT ..........................25 6.5 BELT ALIGNMENT .............................26 6.6 CUTTER DECk ADJUSTMENTS ......................26 6.7 CUSTOM-CUT BAFFLE ADJUSTMENT ....................28 SECTION 7 - MAINTENANCE ....................30...
Scag service parts. All information is based upon product information available - IMPORTANT - at the time of approval for printing. Scag Power Equipment The replacement of any part on this product reserves the right to make changes at any time without by other than the manufacturer's authorized notice and without incurring any obligation.
Section 1 SYMBOLS SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop Falling Hazard Thrown Object Hazard Fast Slow Continuously Variable - Linear Cutting Element - Basic Symbol Pinch Point Cutting Element - Engage 481039S Hour meter/Elapsed Operating Hours Cutting Element - Disengage...
Section 2 SAFETY INFORMATION INTRODUCTION DANGER Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. Hazard control and accident prevention are The signal word “DANGER” denotes that an extremely dependent upon the awareness, concern, prudence, and hazardous situation exists on or near the machine that proper training of the personnel involved in the operation,...
Section 2 If the operator(s) or mechanic(s) cannot read English DO NOT add fuel to a running or hot engine. Allow or Spanish, it is the owner's responsibility to explain the engine to cool for several minutes before adding this material to them. fuel.
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Section 2 To prevent tipping or loss of control, start and stop The machine and attachments should be stopped smoothly, avoid unnecessary turns and travel at and inspected for damage after striking a foreign reduced speed. object, and damage should be repaired before restarting and operating the machine.
Section 2 Any or all parts of the Roll-Over Protection System MUST ROLL-OvER PROTECTION SYSTEM NOT be removed. Failure to adhere to this guideline could result in injury or death. WARNING FOLDABLE ROLL-OvER PROTECTION SYSTEM (IF EqUIPPED) Reduce speed when turning, operating on slopes, slick or wet surfaces.
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Section 2 Remove the hairpin cotter pins and remove the two WARNING (2) lock pins. See Figure 2-2. Lower the roll bar to the down position. Failure to properly inspect and maintain the seat To raise the roll bar, lift the bar to the upright belt can cause serious injury or loss of life.
Section 2 MAINTENANCE CONSIDERATIONS & WARNING STORAGE Never make adjustments to the machine with the Hydraulic fluid is under high pressure. keep body engine running unless specifically instructed to do and hands away from pinholes or nozzles that so. If the engine is running, keep hands, feet, and clothing away from moving parts.
Section 3 SPECIFICATIONS ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Brand ..................................Kohler Model ........................Kohler Aegis LH775S (PS-LH775-0015) Horsepower ............................31HP at 3600 RPM Type ..........4-Cycle, Twin Cylinder, Liquid-Cooled, Electronic Fuel Injected Horizontal Shaft, OHV Displacement ................................748 cc. Cylinders ............................. 2 with Cast-Iron Sleeves Valve Group ............................Hydraulic Valve Lifters Governor ................Mechanical Type with Variable Speed Control Set At 3800 RPM Idle Speed .............................1500 RPM Kohler...
Section 3 CUTTER DECk Type ......Floating, Adjustable, Anti-scalping, Hybrid Design Combines Out-front and Belly-mount Designs Construction ..........................Tri-plate deck construction Top of deck consists of three steel plates totaling nearly 1/2" of steel.,7-gauge (3/16") deck skirt. True Cutting Width ............................61" (155.0 cm) Cutting Height Adjustment ...Foot Operated Lever Adjustment from Operator's Seat, 1.0"...
Section 4 OPERATING INSTRUCTIONS Ignition Switch (Figure 4-1). The ignition switch CAUTION is used to start the engine and has three positions; OFF, ON, and START. Mower Deck Switch (Figure 4-1). Used to engage Do not attempt to operate this mower unless you and disengage the mower drive system.
Section 4 Hourmeter (Figure 4-1). Indicates the number of Cutting Height Adjustment (Figure 4-1). Used to hours the engine has been operated. It only operates set the cutter deck at the desired cutting height. when the engine is running. Has preset maintenance Deck Release Lever (Figure 4-1).
Section 4 INITIAL RUN-IN PROCEDURES Allow engine to warm before operating the mower. GROUND TRAvEL AND STEERING FIRST DAY OF USE OR APPROxIMATELY 10 HOURS Check all belts for proper alignment and wear at 2, 4 - IMPORTANT - and 8 hours. If you are not familiar with the operation of a machine with lever steering and/or hydrostatic Change the engine oil and oil filter after the first 20...
Section 4 - IMPORTANT - To stop the reverse travel, allow the steering control levers to return to the neutral position. If the mower is to be Do not travel forward over a curb. The mower will parked, place the handles in the neutral lock position and hang up on the curb.
Section 4 HILLSIDE OPERATION AFTER OPERATION Wash the entire mower after each use. Do not use high pressure spray or direct the spray onto WARNING electrical components. - IMPORTANT - DO NOT operate on steep slopes. To check a slope, Do not wash a hot or running engine.
Section 4 4.11 MOvING MOWER WITH ENGINE Keep mower and discharge chute clean. STOPPED When mowing wet or tall grass, mow the grass twice. Raise the mower to the highest setting for the first pass and then make a second pass to the desired To “free-wheel”...
Section 4 Insert the lanyard pin into the cutting height index at the desired cutting height. Push forward on the deck TENSION lift foot lever, hold in place and pull back on the deck kNOB release lever. See Figure 4-6. Slowly release the foot pedal.
Section 4 4.16 TOWING (OPTIONAL HITCH ACCESSORY) NEVER allow children or others in or on towed equipment. Tow only with a machine that has a hitch designed for towing. Do not attach towed equipment except at the hitch point. Follow manufacturer's recommendations for weight limit for towed equipment.
Section 5 TROUBLESHOOTING CUTTING CONDITIONS CONDITION CAUSE CURE STRINGERS - OCCASIONAL Low engine RPM Run engine at full RPM BLADES OF UNCUT GRASS Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Dull blades, incorrect sharpening Sharpen blades Deck plugged, grass accumulation...
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Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE U N E v E N C U T O N F L AT Lift worn from blade Replace blade GROUND - WAvY HIGH-LOW APPEARANCE, SCALLOPED Blade upside down Mount with cutting edge toward ground CUT, OR ROUGH CONTOUR Deck plugged, grass accumulation Clean underside of deck...
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Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE SCALPING - BLADES HITTING Low tire pressures Check and adjust pressures DIRT OR CUTTING vERY CLOSE TO THE GROUND Ground speed too fast Slow speed to adjust for conditions May need to reduce ground speed, raise Cutting too low cutting height, change direction of cut, and/or change pitch and level...
Section 6 ADJUSTMENTS PARkING BRAkE ADJUSTMENT - NOTe - If this procedure does not achieve proper brake adjustment, please contact your authorized Scag dealer. WARNING LOOSEN HERE Do not operate the mower if the parking brake is not operable. Possible severe injury could result.
Section 6 TRAvEL ADJUSTMENTS LOOSEN HERE Neutral or tracking adjustments will need to be made if: A. The steering control levers are in the neutral position and the machine creeps forward or backward. (Neutral Adjustment, See Page 26). B. The steering control levers are in the full forward position and the mower pulls to one side or the other when traveling in a forward direction.
Section 6 Actuate the steering control levers forward and - NOTe - reverse several times and return them to the neutral If after making the adjustment as outlined in step position. 1A, the machine creeps forward or backward, the neutral adjustment must be made as described Check that the drive wheels remained in neutral and on page 26.
Section 6 Loosen the two (2) elastic stop nuts. Adjust the bolt BELT ALIGNMENT up or down on the adjustment bracket to adjust the cutter deck until the distance from the bottom Belt alignment is important for proper performance of of the cutter deck to the floor is the same as the your Scag mower.
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Section 6 - NOTe - To prevent the cutter deck from teetering, all four (4) cutter deck hanging chains must have tension on them. If all four chains do not have tension on them and the deck teeters, you must readjust the cutter deck as outlined in the procedures above.
Section 6 7-POSITION CUSTOM-CUT BAFFLE CUSTOM-CUT BAFFLE ADJUSTMENT ADJUSTMENT - CURRENT PRODUCTION The Custom-Cut Baffle is designed to deliver optimum airflow and superior cutting performance in any type of A. 3-1/2" or 3-3/4" Position - (See Figure 6-10). For grass. The Custom-Cut Baffle can be raised or lowered to very tall, wiry or tough-to-cut grass.
Section 7 MAINTENANCE MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS HOURS PROCEDURE COMMENTS BREAk-IN (FIRST 10) Check all hardware for tightness Check hydraulic oil level See paragraph 7.3 C h e c k a l l b e l t s f o r p r o p e r See paragraph 7.8 alignment Change engine oil and filter...
Section 7 - IMPORTANT - HYDRAULIC SYSTEM The hydraulic oil should be changed if you notice the presence of water or a rancid odor to the A. CHECkING HYDRAULIC OIL LEvEL hydraulic oil. The hydraulic oil level should be checked after the first 10 Park the mower on a level surface and stop the hours of operation.
Section 7 C. CHANGING HYDRAULIC OIL FILTER ENGINE OIL FILTER ELEMENT The hydraulic oil filter should be changed after every 500 hours of operation or annually, whichever occurs first. Remove the oil filter element and properly discard it. See Figure 7-3. Fill the new filter with clean oil and install the filter.
Section 7 Extinguish all cigarettes, cigars, pipes and other Install a new fuel filter. Be sure it is installed in the sources of ignition. proper direction. Secure to the fuel hose using the two clamps. Use only an approved gasoline container. Open the fuel shut-off valve.
Section 7 A. CHARGING THE BATTERY BATTERY Refer to the battery charger’s manual for specific instructions. WARNING Under normal conditions the engine’s alternator will have no problem keeping a charge on the battery. If the battery Lead-acid batteries produce flammable and has been completely discharged for a long period of time, explosive gases.
Section 7 B. BLADE SHARPENING DRIvE BELTS All drive belts are spring-loaded and self-tensioning, - NOTe - however after the first 2, 4, 8 and 10 hours of operation, If possible, use a file to sharpen the blade. Using the belts should be checked for proper alignment and a wheel grinder may burn the blade.
Section 7 - NOTe - 7.10 TIRES The front of the machine will have to be raised slightly to remove the blade bolt from the cutter Check the tire pressures after every 8 hours of operation spindle. or daily. Caster Wheels Flat Free To install the new cutter blade, put the flat washer Drive Wheels...
Section 7 B. CHANGING LUBRICANT Fill to Bottom of Filler Neck The lubricant in the cutter deck gearbox should be changed after every 500 hours of operation or yearly, whichever occurs first. Place a suitable container beneath the cutter deck gearbox and locate the gearbox drain plug.
Section 7 C. CHECkING THE FAN BELT TENSION Periodically check the fan belt tension. The belt should deflect 1/2" with 10 pounds of pressure. See your Scag dealer if the belt is in need of adjustment or replacement. 7.13 BODY, DECk, AND UPHOLSTERY CAUTION Do not wash any portion of the equipment while it is hot.
Section 8 ILLUSTRATED PARTS LIST SCAG APPROvED ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine. Scag approved attachments and accessories: • GC-STT-61V (p/n 9060) • GC-STT-CS61V(p/n 9064) •...
Section 8 FUEL AND HYDRAULIC SYSTEM - kOHLER 31EFI DUMP VALVE 43 (2) Fuel Return 43 (2) To Engine 44 45 50 To Back Side of Reservoir (Not Shown) 2008 STT F&HS-EFI.eps...
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Section 8 FUEL AND HYDRAULIC SYSTEM - kOHLER 31EFI Ref. Ref. Part No. Description Part No. Description 04060-09 Roll Pin, Spring 3/16 x 3/4” 04110-01 U-Nut 1/4-20 Fuel Pump, Kohler 31EFI (p/n 24 393 20) 48136-13 Hose Clamp, 0.69” Dia. 48309 Bushing 04001-03...
Section 8 REPLACEMENT DECALS AND INFORMATION PLATES MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS: 4,487,006 4,885,903 4,920,733 4,967,543 4,991,382 4,998,948 5,042,239 5,117,617 5,133,176 5,826,416 5,832,708 5,865,018 6,192,666 6,766,633 6,892,519 6,996,962 7,065,946 7,197,863 PATENTS PENDING Hea vy- Duty FORWARD Comm e rcial REvERSE 481568...
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Section 8 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part No. Description 483192 Decal, Danger-Spinning Blades 483406 Decal, Warning-Rotating Blades 483201 Decal, 61 Velocity Plus 483397 Decal, Fuel Tank 483044 Decal, Patents 481568 Decal, Traction Control 481971 Decal, Heavy Duty Commercial 48404 Decal, Metalcraft-Made In USA 483402...
Cutter decks are warranted against cracking for a period of three (3) years. (Parts and labor 1st and 2nd year; Parts only 3rd year.) The repair or replacement of the cutter deck will be at the option of Scag Power Equipment. We reserve the right to request components for evaluation.
(Piezas y mano de obra) (La garantía de dos años no incluye las conexiones, mangueras, las correas de transmisión). La reparación o el reemplazo de la bomba hidráulica o el motor hidráulico estarán sujetos a discreción de Scag Power Equipment.