Page 2 - This manual covers the operating instructions
FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY. * Keep all shields in place, especially the grass discharge chute.* Before performing any maintenance or service, stop the machine and remove the spark plug wires and ignition key.* If a mechanism becomes clogged, stop the engi...
Page 3 - TABLE OF CONTENTS; SUBJECT
I TABLE OF CONTENTS SUBJECT PAGE Section 1 - General Information 1.1 Introduction ............................................................................................................................. 1 1.2 Directional Reference ...................................................................
Page 4 - II
II TABLE OF CONTENTS (CONT'D) SUBJECT PAGE Section 6 - Adjustments 6.1 Parking Brake Adjustment .................................................................................................... 22 6.2 Travel Adjustments ................................................................................
Page 5 - GENERAL INFORMATION; DIRECTION REFERENCE; Section 1; Figure 1-1 Tractor Serial Number Plate Location
1 GENERAL INFORMATION 1.1 INTRODUCTION Your mower was built to the highest standards in theindustry. However, the prolonged life and maximumefficiency of your mower depends on you following theoperating, maintenance and adjustment instructions in thismanual. If additional information or service is n...
Page 6 - ISO Symbols; WARNING
2 CE Mark Transmission Choke On/Start Spring Tension on Idler Oil Off/Stop SYMBOL DESCRIPTION SYMBOL DESCRIPTION ISO Symbols Spinning Blade 48071S Parking Brake WARNING FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR'S MANUAL 481109 Falling Hazard
Page 8 - SAFETY INFORMATION; NEVER allow children to operate this riding mower.; Clear the area to be mowed of objects that could be; DO NOT operate the machine under the influence; Section 2
4 SAFETY INFORMATION 2.1 INTRODUCTION Your mower is only as safe as the operator.Carelessness or operator error may result in seriousbodily injury or death. Hazard control and accidentprevention are dependent upon the awareness, concern,prudence, and proper training of the personnel involved inthe o...
Page 9 - OPERATION CONSIDERATIONS
5 9. Keep the machine and attachments in good operating condition. Keep all shields and safety devices inplace. If a shield, safety device or decal is defectiveor damaged, repair or replace it before operating themachine. This machine is equipped with an interlock systemintended to protect the opera...
Page 10 - ROLL OVER PROTECTION SYSTEM
6 Section 2 2.4 OPERATION CONSIDERATIONS(CONT'D) 3. To prevent tipping or loss of control, start and stop smoothly, avoid unnecessary turns and travel at reducedspeed. 4. When using any attachment, never direct the discharge of material toward bystanders or allow anyone nearthe machine while in oper...
Page 11 - Check the full length of the seat belt webbing for cuts,; Figure 2-1 Seat Belt Inspection
7 Section 2 This mower has been designed for good traction andstability under normal mowing conditions. However, cautionmust be used when traveling on slopes, especially whenthe grass is wet. Do not mow on wet grass. Wet grassreduces traction and steering control. Any or all parts of the Roll Over P...
Page 13 - SAFETY AND INSTRUCTIONAL DECALS; INSTALL BELT COVER BEFORE; FORWARD
9 Section 2 2.7 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 390S0150E- Rev 1 481568 FORWARD REVERSE F R 482710 482290 482286 482285 481039 482834 483046
Page 14 - Section 3; SPECIFICATIONS; SCAG “SABRE TOOTH TIGER” ZERO-TURN RIDER
1 0 Section 3 SPECIFICATIONS SCAG “SABRE TOOTH TIGER” ZERO-TURN RIDER MODEL: STT– 31BSD ENGINE General Type: Heavy Duty Industrial/Commercial Turbo Charged Diesel Brand: Briggs Daihatsu Vanguard Liquid Cooled 31 HP Model: DM950D Horsepower: 31 HP @ 3600 RPM Type: water cooled 4 cycle, overhead valve...
Page 16 - Section 4; OPERATING INSTRUCTIONS; Figure 4-1 Controls and Instruments
1 2 Section 4 OPERATING INSTRUCTIONS Do not attempt to operate this mower unless youhave read this manual. Learn the location andpurpose of all controls and instruments before youoperate this mower. 4.1 CONTROLS AND INSTRUMENT IDENTIFICATION Before operating the mower, familiarize yourself with allm...
Page 17 - amount of fuel in the fuel tank.; Figure 4-2 Dump Valve Control; to set the cutter deck at the desired cutting height.; SAFETY INTERLOCK SYSTEM
1 3 Section 4 6 . Voltmeter (Figure 4-1). Indicates the condition of the charging system. When the engine is running, innormal operating conditions, the needle should be inthe 12 to 14 volt range. 7 . Oil Pressure (Figure 4-1). Indicates engine oil pressure. Reference the engine operator's manualfor...
Page 18 - STARTING THE ENGINE
1 4 Section 4 4.3 INITIAL RUN-IN PROCEDURES (First Day of Use or Approximately 10 Hours) 1. Check all belts for proper alignment and wear at 2, 4 and 8 hours. 2. Change the engine oil and oil filter after the first 5 hours of operation. (See Section 7.4.) 3. Check hydraulic oil level in reservoir. (...
Page 19 - Engage the deck drive by pulling out on the yellow; Reverse Travel; Figure 4-3 Cutter Engage Switch
1 5 Section 4 To stop the forward travel, pull the steering control leversback to the neutral position. To steer the mower left while traveling forward, pull theleft steering lever back. The further the lever is pulledback, the quicker the mower will turn left. To steer the mower right while traveli...
Page 20 - HILLSIDE OPERATION
1 6 Section 4 3. To disengage the deck drive, push the switch in to the disengage position. 4. Always operate the engine at full throttle to properly maintain cutting speed. If the engine starts to lugdown, reduce the forward speed and allow theengine to operate at maximum RPM. 5. To properly burnis...
Page 21 - REMOVING CLOGGED MATERIAL; ROTATING BLADES
1 7 Section 4 4.10 REMOVING CLOGGED MATERIAL 1. If the discharge chute becomes clogged, shut off the engine and remove the ignition key. Using a stick orsimilar item, dislodge the clogged material. Thenresume normal mowing. 4.11 MOVING MOWER WITH ENGINE STOPPED To “free-wheel” or move the mower arou...
Page 22 - ADJUSTING CUTTING HEIGHT; Push the cutting height adjustment foot pedal all the; Figure 4-7 Deck Release Lever
1 8 Section 4 4.13 ADJUSTING CUTTING HEIGHT The mower deck can be adjusted from a height of 1-inchto 6 inches at 1/4-inch intervals. To adjust the cuttingheight: 1. Push the cutting height adjustment foot pedal all the way forward using your right foot until it locks inplace. (Figure 4-6). 2. Insert...
Page 23 - Section 5; Stringers - Occasional; CONDITION; Streaking - Strips of; TROUBLESHOOTING CUTTING CONDITIONS
Section 5 1 9 Stringers - Occasional Low engine RPM Run engine at full RPM Blades of UncutGrass 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 Clean underside of de...
Page 24 - Uneven Cut on Flat; Uneven Cut on
Section 5 2 0 Uneven Cut on Flat Lift worn from blade Replace blade Ground - WavyHigh-Low Blade upside down Mount with cutting edge toward Appearance, ground Scalloped Cut, orRough Contour Deck plugged, grass accumulation Clean underside of deck Too much blade angle (deck pitch) Adjust pitch and lev...
Page 25 - the Ground
Section 5 2 1 Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt orCutting Very Close to Ground speed too fast Slow speed to adjust for conditions the Ground Cutting too low May need to reduce ground speed,raise cutting height, change directionof cut, and/or change pitch an...
Page 26 - Section 6; ADJUSTMENTS; PARKING BRAKE ADJUSTMENT
Section 6 2 2 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT WARNING: Do not operate the mower if the parking brake isnot operable. Possible severe injury couldresult. The parking brake linkage should be adjusted wheneverthe parking brake lever is placed in the “ENGAGE”position and the parking brake will ...
Page 27 - Neutral Adjustment; Figure 6-3. RH Steering Control Rod Adjustment
Section 6 2 3 B. The steering control levers are in the full forward position and the mower pulls to one side or theother when traveling in a forward direction.(Tracking Adjustment, See Page 23). Neutral Adjustment 1. Be sure the dump valve levers are in the run position and the steering control lev...
Page 28 - Tracking Adjustment; If at full speed the mower pulls right, it is an
Section 6 2 4 Tracking Adjustment Stop the engine and remove the key from theignition before making any adjustments. Wait forall moving parts to come to a complete stopbefore beginning work. The engine and drive unit can get hot duringoperation causing burn injuries. Allow engineand drive components...
Page 29 - CUTTER DECK ADJUSTMENTS
Section 6 2 5 6.6 CUTTER DECK ADJUSTMENTS Cutter deck level, pitch and height are set at the factory.However, if these adjustments should ever need to bemade, the following procedures will aid in obtaining theproper cutter deck adjustment. -NOTE- Before proceeding with the cutter deckadjustments, be...
Page 30 - Cutter Deck Height; Place the cutter deck in the transport position.; Figure 6-6. Cutter Deck Height Adjustment; Check the cutter deck cutting height by placing the; Custom-Cut Baffle Adjustment
Section 6 2 6 Cutter Deck Height The cutter deck height adjustment is made to ensure thatthe cutter deck is cutting at the height indicated on thecutting height index gauge. To check for proper deckheight, be sure that the mower is on a flat, level surfaceand the tires are properly inflated. 1. Plac...
Page 32 - Section 7; MAINTENANCE; MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS; HOURS
2 8 Section 7 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS * Perform these maintenance procedures more frequently under extreme dusty or dirty conditions HOURS Break-In 8 40 100 200 500 Procedure Comments (First 10) X Check all hardware for tightness X Check hydraulic oil level ...
Page 34 - Figure 7.1 Lubrication Fitting Points
3 0 Section 7 Figure 7.1 Lubrication Fitting Points GREASE FITTING LUBRICATION LUBRICANT / INTERVAL LITHIUM MP WHITE GREASE 2125( 40 HOURS / WEEKLY ) CHASSIS GREASE( 100 HOURS / BI-MONTHLY ) CHASSIS GREASE( 200 HOURS / MONTHLY ) 4 1 6 3 5 7 2 CHASSIS GREASE( 500 HOURS / YEARLY ) 390S0145-2 1 8 4 3 9...
Page 35 - A. Checking Hydraulic Oil Level; The hydraulic oil should be changed if you; Figure 7-2 Hydraulic Oil Reservoir
Section 7 3 1 7.3 HYDRAULIC SYSTEM A. Checking Hydraulic Oil Level The hydraulic oil level should be checked after the first10 hours of operation. Thereafter, check the oil afterevery 200 hours of machine operation or monthly,whichever occurs first. -IMPORTANT- If the oil level is consistently low, ...
Page 36 - A. Checking Engine Crankcase Oil Level; Run the engine at idle speed with the speed control; Figure 7-3 Hydraulic Oil Filter
3 2 Section 7 A. Checking Engine Crankcase Oil Level The engine oil level should be checked after every 8 hoursof operation or daily as instructed in the Engine Operator’sManual furnished with this mower (See Figure 7-4). B. Changing Engine Crankcase Oil After the first 5 hours of operation, change ...
Page 37 - ENGINE FUEL SYSTEM; Figure 7-5 Fuel Filter; ENGINE AIR CLEANER
Section 7 3 3 7.5 ENGINE FUEL SYSTEM A. Filling the Fuel Tank Fill the fuel tank at the beginning of each operating day towithin one inch below the filler neck. Do not overfill.Use clean, fresh diesel fuel with a minimum cetane ratingof 40. B. Replacing In-Line Fuel Filter Element -NOTE- The fuel fi...
Page 38 - The booster battery must be a 12 volt type. If a; BATTERY ELECTROLYTE FIRST AID; B. Charging the Battery
3 4 Section 7 WARNING: BATTERIES PRODUCE EXPLOSIVEGASES. Charge the battery in a wellventilated space so gases produced whilecharging can dissipate. Charging rates between 3 and 50 amperes aresatisfactory if excessive gassing or spewing ofelectrolyte does not occur or the battery does not feelexcess...
Page 39 - Figure 7-9 Blade Sharpening
Section 7 3 5 WARNING: Always wear proper hand and eye protectionwhen working with cutter blades. 7.8 DRIVE BELTS All drive belts are spring loaded and self-tensioning,however after the first 2, 4, 8 and 10 hours of operation,the belts should be checked for proper alignment andwear. Thereafter, chec...
Page 40 - CUTTER DECK GEARBOX; Figure 7-12 Cutter Deck Gearbox
3 6 Section 7 T h e c u t t e r d e c k g e a r b o x c a n r e a c h h i g hoperating temperatures. Allow the cutter deckgearbox to cool before servicing. CAUTION: 7.11 CUTTER DECK GEARBOX A. Checking Lubricant Level Figure 7-12 Cutter Deck Gearbox 3. Secure the cutter blades to prevent them from r...
Page 41 - B. Changing Lubricant; Figure 7-13 Coolant Level in Radiator; B. Cleaning the Radiator Debris Screen
Section 7 3 7 2. Clean and remove the check plug from the side of the gearbox (See Figure 7-12). Visually check thatthe lubricant level is up to the bottom edge of thecheck plug hole. If lubricant is low, add SAE 80/90lubricant through the check plug hole in the gearboxuntil it is level with the bot...
Page 42 - C. Checking The Fan Belt Tension; Use a mild soap solution or a vinyl/rubber cleaner to
3 8 Section 7 -NOTE- Check the radiator for excessive debris andclean with compressed air. Never spray a hotengine with water, use only compressed air toremove debris. 3. Re-install the debris screen to the radiator. C. Checking The Fan Belt Tension Periodically check the fan belt tension. The belt ...
Page 43 - NOTES
Page 46 - CUTTER DECK CONTROLS
4 2 CUTTER DECK CONTROLS STT2002CDC 21 19 37 42 4 6 14 10 42 5 2 3 35 23 41 38 32 34 30 7 27 33 40 41 28 28 24 26 41 40 CUTTER DECK 13 40 39 31 41 40 39 43 9 8 45 20 18 36 16 44 17 41 40 26 11 29 22 40 41 15 22 41 7 1 40 24 12 26 29 41 25
Page 47 - Description
4 3 CUTTER DECK CONTROLS Ref. PartNo. No. Description 1 04041-07 Flatwasher, 3/8” 2 481764 Link, Deck Lift 3 481765 Rod End, Female - 1/2-20 RH 4 481766 Rod End, Female - 1/2-20 LH 5 04020-27 Nut, Jam 1/2-20 RH 6 04020-28 Nut, Jam 1/2-20 LH 7 04021-09 Nut, 3/8-16 Elastic Stop 8 482429 Slide Weldment...
Page 48 - SHEET METAL COMPONENTS; Suspension Seat
4 4 SHEET METAL COMPONENTS STT-BSG 2005 SMC 46 48 47 48 15 50 26 30 25 12 15 19 9 1 23 24 A 31 32 33 34 29 33 36 37 40 39 38 41 42 43 55 35 44 15 27 22 54 20 28 15 14 13 12 11 10 16 17 A 20 5 3 4 8 7 18 18 56 57 58 54 6 51 53 52 49 45 15 12 61 64 59 62 15 63 12 60 Suspension Seat 66 65 67 68 69 B B ...
Page 50 - STT ROLL OVER PROTECTION SYSTEM
4 6 STT ROLL OVER PROTECTION SYSTEM STT-BSD 2005 ROPS SEAT BELTBRACKET 1 2 2 3 3 4 4 5 5 6 6 7 8 9 10 11 12 13 14 14 SEAT BELTBRACKET 15 15
Page 52 - DECK DRIVE COMPONENTS
4 8 DECK DRIVE COMPONENTS A To A B To B TO REAR OF ENGINE TO ENGINE FLYWHEEL 1 2 3 4 5 6 7 8 9 4 10 11 12 13 14 15 16 17 18 19 20 21 22 22 23 24 24 25 25 26 27 27 28 29 30 31 32 33 34 35 36 37 38 42 40 41 39 43 43 35 44 44 45 46 47 43 35 50 51 52 53 43 55 54 43 55 45 57 43 58 48 49 35 59 60 61 59 62...
Page 54 - RADIATOR & ENGINE BRACKETS
5 0 RADIATOR & ENGINE BRACKETS "A" "B" "B" A TO FRAME TO PUMP MTG PLATE 12 11 6 17 21 20 19 18 27 45 47 26 44 25 44 22 53 23 24 44 44 31 28 29 49 32 53 26 34 43 48 22 25 44 44 47 40 41 37 33 45 39 38 35 42 36 42 30 16 10 63 62 65 64 66 67 55 9 58 57 55 61 9 60 9 "C...
Page 56 - BRAKE AND STEERING COMPONENTS
5 2 BRAKE AND STEERING COMPONENTS STT2002B&SC A 1 2 10 11 33 17 9 19 23 41 11 21 34 36 57 73 48 47 46 5 23 53 42 43 44 45 15 56 70 69 71 62 15 65 60 64 67 60 52 41 34 23 51 50 34 35 TO RH PUMP TO LH PUMP 37 36 27 28 35 33 78 34 31 30 29 8 9 6 32 13 B 9 B 25 18 72 49 55 54 5 3 4 75 26 58 76 5 68 ...
Page 58 - FUEL AND HYDRAULIC SYSTEM
5 4 FUEL AND HYDRAULIC SYSTEM D D D E F C I H G G F E A A B C DUMP VALVE B 2002 STT-BSD F&HS.eps I H 39 23242640 32 3637 Z 342535 2131 33 9 30 30 575654 7 4 4 3 44 45 50 46 51 53 52 49 4 4 2 42 342535 55 18 8 2019 6 2241 2728 2930 38 Z 2 2 5 5859 7 7 22 4 4 43 (2) 43 (2) 7 1 To Back Sideof Reser...
Page 60 - ELECTRICAL SYSTEM
5 6 ELECTRICAL SYSTEM B A C C B A 1 2 3 4 5 6 7 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 22 21 20 24 25 24 25 24 25 26 22 21 27 27 1 2 19 28 29 30 31 32 33 34 35 36 36 37 D D 19 38 2005STTBSD-EES GLOWPLUGS STARTER 22 21 39 40 41 42 43
Page 62 - HYDRAULIC PUMP ASSEMBLY; Overhaul Seal Kit
5 8 HYDRAULIC PUMP ASSEMBLY STT 2K BDP-21 11 4 9 11 2 12 10 6 8 7 18 5 14 17 19 20 22 21 23 24 16 25 26 28 27 3 Overhaul Seal Kit 1 3 25 13 15 HYDRAULIC PUMP ASSEMBLY - BDP-21L
Page 65 - REPLACEMENT DECALS AND INFORMATION PLATES; Commercial
6 1 REPLACEMENT DECALS AND INFORMATION PLATES 482285 482286 481955 - 61A481956 - 71A 48656 48404 481568 482290 481039 482528 482565 482580 481971 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 FORWARD REVERSE F R 482360 2004 STT-31BSD Decals Heavy-Duty Commercial 4...
Page 67 - LIMITED WARRANTY - COMMERCIAL EQUIPMENT
LIMITED WARRANTY - COMMERCIAL EQUIPMENT Any part of the Scag commercial mower manufactured by Scag Power Equipment and found, in the reasonable judgmentof Scag, to be defective in materials or workmanship, will be repaired or replaced by an Authorized Scag Service Dealerwithout charge for parts and ...
