Scag Power Equipment Turf Tiger II Operator's Manual
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Scag Power Equipment Turf Tiger II Operator's Manual

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Congratulations on owning a Scag mower! This manual contains the operating
instructions and safety information for your Scag mower. Reading this manual
can provide you with assistance in maintenance and adjustment procedures to
keep your mower performing to maximum efficiency. The specific models that
this book covers are listed on the inside cover. Before operating your machine,
please read all the information enclosed.
© 2019
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
Models:
STTII-52V-25CH-LP
STTII-52V-26CH-EFI
STTII-61V-25CH-LP
STTII-61V-25KBD
STTII-61V-26CH-EFI
STTII-61V-31DFI
STTII-61V-35BV
STTII-61V-37BV-EFI
STTII-72V-25KBD
STTII-72V-31DFI
STTII-72V-35BV
STTII-72V-37BV-EFI
PART NO. 03437
PRINTED 9/2018
PRINTED IN USA

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Summary of Contents for Scag Power Equipment Turf Tiger II

  • Page 1 The specific models that this book covers are listed on the inside cover. Before operating your machine, please read all the information enclosed. © 2019 PART NO. 03437 Scag Power Equipment PRINTED 9/2018 Division of Metalcraft of Mayville, Inc. PRINTED IN USA...
  • Page 2 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).

  • Page 3: Table Of Contents

    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 TESTING THE SAFETY INTERLOCK SYSTEM ..................4...
  • Page 4 Table of Contents 4.16 ADJUSTING THE STEERING LEVERS ....................22 4.17 ADJUSTING THE HEIGHT ADJUST PEDAL ..................22 4.18 TOWING (OPTIONAL HITCH ACCESSORY)...................23 SECTION 5 - TROUBLESHOOTING CUTTING CONDITIONS ..........24 SECTION 6 - ADJUSTMENTS ....................27 6.1 TRAVEL ADJUSTMENTS ..........................28 6.2 THROTTLE CONTROL AND CHOKE ADJUSTMENTS ................29 6.3 BELT ADJUSTMENT ..........................29 6.4 BELT ALIGNMENT .............................30 6.5 CUTTER DECK ADJUSTMENTS ......................30...
  • Page 5 Table of Contents STTII BRAKE COMPONENTS .........................70 STTII STEERING COMPONENTS ........................72 STTII HYDRAULIC SYSTEM ...........................74 STTII FUEL SYSTEM - GASOLINE ENGINES ....................76 STTII FUEL SYSTEM - KOHLER 25CH-LP-EFI ....................78 STTII FUEL SYSTEM - KUBOTA DIESEL .......................80 BDP-16A HYDRAULIC PUMP ASSEMBLY WITH COOLING FAN ..............82 STTII ELECTRICAL SYSTEM - GASOLINE &...
  • Page 6 Table of Contents NOTES...

  • Page 7: Section 1 - General Information

    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.

  • Page 8: Symbols

    Section 1 1.4 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...

  • Page 9: Section 2 - Safety Information

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION DANGER Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury The signal word “DANGER” denotes that an extremely or death. Hazard control and accident prevention are hazardous situation exists on or near the machine that dependent upon the awareness, concern, prudence, and could result in high probability of death or irreparable injury...

  • Page 10: Testing The Safety Interlock System

    If the safety interlock system fuel container. Use only approved containers. does not operate as described below, contact your local Authorized Scag Power Equipment Dealer immediately to 13. See Section 7.5 ENGINE FUEL SYSTEM for fueling have the safety interlock system repaired.

  • Page 11: Operation Considerations

    Section 2 2. Sit in the seat in the operating position, engage the 2. Reduce speed and exercise extreme caution on parking brake, move either of the steering control slopes and in sharp turns to prevent tipping or loss handles out of the neutral lock position, move the of control.

  • Page 12: Roll-Over Protection System

    Section 2 13. Mow only in daylight or good artificial light. 22. Tie the mower down securely using straps, chains, cable, or ropes. Both front and rear straps must be 14. NEVER raise the deck with the blades engaged. directed down and outward from machine. 15.
  • Page 13 Section 2 UPRIGHT AND WARNING LOCKED POSITION There is no roll-over protection when the roll bar is in the down position. Lower the roll bar only when absolutely necessary. Raise the roll bar as soon as clearance permits. DO NOT wear the seat belt when the roll bar is in the down position.
  • Page 14 Section 2 2. Check the seat belt webbing in areas exposed to WARNING ultra violet rays from the sun or extreme dust or dirt. If the original color of the webbing in these areas is extremely faded and/or is packed with dirt, Reduce speed when turning, operating on slopes, the physical strength of this webbing may have slick or wet surfaces.

  • Page 15: Maintenance Considerations & Storage

    Section 2 2.7 MAINTENANCE CONSIDERATIONS & WARNING STORAGE 1. Never make adjustments to the machine with the Hydraulic fluid is under high pressure and can engine running unless specifically instructed to do penetrate skin causing injury. If hydraulic fluid so. If the engine is running, keep hands, feet, and is injected into the skin, it must be surgically clothing away from moving parts.

  • Page 16: Safety And Instructional Decals

    Section 2 2.10 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 483402 483407 483402 483407 FORWARD REVERSE 481568 483406 484293 483633 483300 WARNING Operation of this equipment may create sparks that can start res around dry vegetation.

  • Page 17: Section 3 - Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE General Type ................Heavy Duty Industrial/Commercial Gasoline or Diesel Model: Scag Model STTII-52V-26CH-EFI, STTII-61V-26CH-EFI ..........Kohler Command ECH749 Scag Model STTII-52V-25CH-LP, STTII-61V-25CH-LP .............Kohler Command PCH740 Scag Model STTII-61V-31DFI, STTII-72V-31DFI ................Kawasaki FD851D Scag Model STTII-61V-35BV, STTII-72V-35BV ..............Briggs & Stratton Vanguard Scag Model STTII-61V-37BV-EFI, STTII-72V-37BV-EFI ...........Briggs &...

  • Page 18: Electrical

    Section 3 3.2 ELECTRICAL Battery ..................................12 Volt Charging System ............................... Alternator Charging Output: Kohler (ECH749 & PCH740) ....................... 12 Volt, 20 Amp Kawasaki (FD851D) ..........................12 Volt, 30 Amp Briggs & Stratton ..........................12 Volt, 20 Amp Kubota ..............................12 Volt, 40 Amp System Polarity ............................

  • Page 19: Cutter Deck

    Section 3 3.4 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: 52V ................................52"...

  • Page 20: Section 4 - Operating Instructions

    9. Neutral Indicator (Figure 4-1). Light will illuminate additional information or service is needed, contact your when the steering control levers are in the neutral Scag Power Equipment Dealer. lock position. 10. Park Brake Indicator (Figure 4-1). Light will 4.1 TIGER EYE INSTRUMENT...
  • Page 21 Section 4 SERVICE AIR OIL PRESSURE FILTER INDICATOR INDICATOR WATER TEMPERATURE GLOW PLUG SERVICE ENGINE INDICATOR INDICATOR INDICATOR PARKING BRAKE VOLTMETER INDICATOR INDICATOR SEAT INDICATOR NEUTRAL INDICATOR INDICATOR HOUR METER INDICATOR Figure 4-1. Tiger Eye Advanced Monitoring System SUSPENSION SEAT CONTROL KNOB DFI / EFI ONLY DECK LIFT...

  • Page 22: Controls Identification

    Section 4 4.2 CONTROLS IDENTIFICATION 1. Ignition Switch (Figure 4-2). The ignition switch is used to start the engine and has three positions; OFF, ON, and START. 2. Mower Deck Switch (Figure 4-2). Used to engage and disengage the mower drive system. Pulling up on the switch will engage the deck drive.

  • Page 23: Safety Interlock System

    If the safety interlock system release the cutter deck for normal mowing. does not operate as described below, contact your local Authorized Scag Power Equipment Dealer immediately to 14. Seat Suspension Control Knob (Figure 4-2). Used have the safety interlock system repaired.

  • Page 24: Initial Run-In Procedures

    Section 4 4.5 INITIAL RUN-IN PROCEDURES 9. Turn the ignition key to the START position and release the key as soon as the engine starts. Do not hold the key in the START position for more FIRST DAY OF USE OR APPROXIMATELY 20 HOURS than 15 seconds at a time.

  • Page 25: Engaging The Deck Drive (Cutter Blades)

    Section 4 To steer right while traveling in reverse, allow the right - NOTE - steering control lever to move forward. The further the Smooth operation of the steering levers will control is allowed to move forward, the quicker the mower produce smooth mower operation.

  • Page 26: Hillside Operation

    Section 4 4.9 HILLSIDE OPERATION 4.11 AFTER OPERATION 1. Wash the entire mower after each use. Do not WARNING use high pressure spray or direct the spray onto electrical components. - IMPORTANT - DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down).

  • Page 27: Moving Mower With Engine Stopped

    Section 4 2. The discharge chute must not be removed and 4.13 MOVING MOWER WITH ENGINE must be kept in the lowest position to deflect grass STOPPED clippings and thrown objects downward. Direct the side discharge away from sidewalks or streets to minimize cleanup of clippings.

  • Page 28: Adjusting The Steering Levers

    Section 4 4.16 ADJUSTING THE STEERING LEVERS 1. Position the seat to the desired location. 2. While in the operator's position without the engine running, move both steering levers forward and LANYARD reverse to check for full function control and comfort. 3.

  • Page 29: Towing (Optional Hitch Accessory)

    Section 4 3. The height adjust pedal can be located in three (3) different positions for operator comfort and control. See Figure 4-11. HEIGHT ADJUSTMENT PEDAL LOCATIONS Figure 4-11. Height Adjust Pedal Locations 4.18 TOWING (OPTIONAL HITCH ACCESSORY) 1. NEVER allow children or others in or on towed equipment.

  • Page 30: Section 5 - Troubleshooting Cutting Conditions

    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...
  • Page 31 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...
  • Page 32 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...

  • Page 33: Section 6 - Adjustments

    Section 6 ADJUSTMENTS WARNING Do not operate the mower if the parking brake is not operable. Possible severe injury could result. PULL BACK ON PARKING BRAKE The parking brake linkage should be adjusted whenever LATCH the parking brake lock latch is placed in the “ENGAGE” position and the parking brake will not prevent the mower from moving.

  • Page 34: Travel Adjustments

    Section 6 6.1 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. See Neutral Adjustment (next procedure). 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.

  • Page 35: Throttle Control And Choke Adjustments

    Section 6 - NOTE - 6. Actuate the steering control levers forward and 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, perform the neutral adjustment. See Neutral 7.

  • Page 36: Belt Alignment

    Section 6 WARNING If the pump drive belt fails, steering control will be lost which could result in serious injury or death. Replace the pump drive belt as needed or every LOOSEN HERE 400 hours / 2 years, whichever occurs first. ADJUST HERE 6.4 BELT ALIGNMENT Belt alignment is important for proper performance of...
  • Page 37 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 re-adjust the cutter deck as outlined in the procedures above.

  • Page 38: Custom-Cut Baffle Adjustment

    Section 6 - NOTE - C. 4-3/4" or 5-1/4" Position - (See Figure 6-9). Placing the baffle in either the 4-3/4" or 5-1/4" setting will If an adjustment had to be made, be sure that the enhance fall cutting (leaf pickup) and reduce cutter cutter deck can easily be locked into the transport deck "blowout".

  • Page 39: Electric Clutch Adjustment

    Section 6 6.7 ELECTRIC CLUTCH ADJUSTMENT ADJUSTMENT NUTS The electric clutch serves two functions in the operation of the mower. In addition to starting and stopping the power flow to the cutter blades, the clutch also acts as a brake to assist in stopping blade rotation when the PTO is switched off or the operator presence circuit is interrupted.

  • Page 40: Section 7 - Maintenance

    Section 7 MAINTENANCE 7.1 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 Check all belts for proper alignment See paragraph 7.9 Check coolant level See paragraph 7.13 Check hydraulic fittings and hoses for Use extreme caution when...

  • Page 41: Lubrication

    Section 7 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS PROCEDURE COMMENTS BREAK-IN (FIRST 10) Apply grease to fittings See paragraph 7.2 Check hardware for tightness Change engine oil filter See paragraph 7.4 Check hydraulic oil level See paragraph 7.3 Replace engine fuel filter See paragraph 7.5 Service LPG fuel system...
  • Page 42 Section 7 GREASE FITTING LUBRICATION Lubricant Interval Lithium MP White Grease 2125 (40 Hours/Weekly) Chassis Grease (100 Hours/Bi-monthly) Chassis Grease (200 Hours/Monthly) Chassis Grease (500 Hours/Yearly) Figure 7-1. Lubrication Fitting Points...

  • Page 43: Hydraulic System

    Section 7 7.3 HYDRAULIC SYSTEM B. CHANGING HYDRAULIC OIL The hydraulic oil should be changed after every 500 hours A. CHECKING HYDRAULIC OIL LEVEL or annually, whichever occurs first. The oil should also be changed if the color of the fluid has become black or The hydraulic oil level should be checked after the first 10 milky.

  • Page 44: Engine Oil

    Section 7 C. CHANGING HYDRAULIC OIL FILTER ELEMENT The hydraulic oil filter should be changed after every 500 hours of operation or annually, whichever occurs first. 1. Remove the oil filter element and properly discard it. See Figure 7-3. Fill the new filter with clean oil and install the filter.

  • Page 45: Lpg Engine Fuel System

    Section 7 DO NOT use E85 Fuel. Using E85 Fuel will cause severe 10. Replace gas cap and tighten the fuel cap until it damage to the engine. ratchets. B. FILLING THE FUEL TANK (DIESEL ENGINE FILLER NECK INSERT Fill the fuel tank at the beginning of each operating day to within one inch below the filler neck.

  • Page 46: Engine Air Cleaner

    Section 7 - NOTE - Maintenance must be performed to the LPG fuel system after 1000 hours of operation or annually, whichever LP cylinders must be vapor withdrawal type occurs first. Contact your authorized Scag service (identified by green band on tank) designed for center for details and maintenance.

  • Page 47: Drive Belts

    Section 7 Whenever possible, remove the battery from the mower WARNING before charging and make sure the electrolyte covers the plates in all cells. Battery posts, terminals, and related accessories WARNING contain lead and lead compounds, chemicals known to cause cancer and reproductive harm. Wash hands after handling.

  • Page 48: Cutter Blades

    Section 7 7.10 CUTTER BLADES - NOTE - DO NOT sharpen the blades beyond 1/3 of the width of the blade. See Figure 7-8. A. BLADE INSPECTION 1. Sharpen the cutting edge at the same bevel as the 1. Remove the ignition key before servicing the blades. original.

  • Page 49: Tires

    Section 7 7.11 TIRES CAUTION Check the tire pressures after every 8 hours of operation or daily. Inspect the cutter blade spacer(s) and washer for wear and/or cupping. Replace the worn parts. Caster Wheels Flat Free Worn spacer(s) and/or washer will not allow Drive Wheels 8 PSI proper tightening of the cutter blade and can lead...

  • Page 50: Cooling System

    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. 1. Place a suitable container beneath the cutter deck gearbox and locate the gearbox drain plug.

  • Page 51: Body, Deck, And Upholstery

    Section 7 C. CHECKING THE FAN BELT TENSION (LIQUID- COOLED ENGINES ONLY) 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. 7.14 BODY, DECK, AND UPHOLSTERY CAUTION Do not wash any portion of the equipment while it...

  • Page 52: Section 8 - Illustrated Parts List

    Section 8 ILLUSTRATED PARTS LIST 8.1 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-3B (p/n 900S) - Requires a 901D (52 STTII Install Kit) or 900X (61 STTII/SCZ Install Kit) •...
  • Page 53 Section 8 NOTES...

  • Page 54: Sttii 52V Cutter Deck

    Section 8 STTII 52V CUTTER DECK 16 11 STTII 52V CD...
  • Page 55 Section 8 STTII 52V CUTTER DECK Ref. Ref. Part No. Description Part No. Description 43589 Shaft, Spindle 462879 Cutter Deck w/Decals - 52V 481024 Seal, Top 04020-09 Nut, 5/8-11 UNC 481022 Bearing Assembly 04001-172 Bolt, Hex Head 1/4-20 x 1” Grade 8 48114-04 Grease Fitting 48926...

  • Page 56: Sttii 61V & 72V Cutter Decks

    Section 8 STTII 61V & 72V CUTTER DECKS Only STTII 61V CD...
  • Page 57 Section 8 STTII 61V & 72V CUTTER DECKS Ref. Ref. Part No. Description Part No. Description 43589 Shaft, Spindle 462880 Cutter Deck w/Decals - 61V 481024 Seal, Top 462881 Cutter Deck w/Decals - 72V 04020-09 Nut, 5/8-11 UNC 481022 Bearing Assembly 48114-04 Grease Fitting 04001-172...

  • Page 58: Sttii Cutter Deck Controls

    Section 8 STTII CUTTER DECK CONTROLS STTII CDC...
  • Page 59 Section 8 STTII CUTTER DECK CONTROLS Ref. Part No. Description 462856 Deck Latch Weldment w/Grip 481477 Grip 43668 Spacer, Deck Latch 484191 Spring, Torsion Lever Return 04021-07 Nut, Elastic Stop 1/2-13 04040-13 Flatwasher, 1/2-.562 x 1.375 x .109 427019 Link, Deck Lift 431018 Pivot, Deck Link 04001-153...

  • Page 60: Sttii Sheet Metal Components

    Section 8 STTII SHEET METAL COMPONENTS STTII-25KBD ONLY 27 28 29 32 2019_STTII SMC...
  • Page 61 Section 8 STTII SHEET METAL COMPONENTS Ref. Ref. Part No. Description Part No. Description 482028-01 Plug, Grease Hole 427011 Mounting Plate, Seat 9278 Wheel Assembly (incl. #43) 04001-46 Bolt, Hex Head 3/8-16 x 2-1/4” 482621 Bearing 04001-08 Bolt, Hex Head 5/16-18 x 3/4” 482622 Seal 484148...

  • Page 62: Sttii Roll-Over Protection System

    Section 8 STTII ROLL-OVER PROTECTION SYSTEM...
  • Page 63 Section 8 STTII ROLL-OVER PROTECTION SYSTEM Ref. Part No. Description 462210 STT, ROPS 04001-194 Bolt, Hex Head 1/2-13 x 4-1/4” 04021-19 Nut, Center Lock 1/2-13 04040-13 Flatwasher, 1/2-.562 x 1.375 x .109 484168 Pin Assembly, ROPS Hinge (incl. #9, #10) 04001-90 Bolt, Hex Head 1/2-13 x 3-1/4”...

  • Page 64: Sttii Suspension Seat

    Section 8 STTII SUSPENSION SEAT...
  • Page 65 Section 8 STTII SUSPENSION SEAT Ref. Part No. Description 486062 Suspension Seat Assembly w/seat belt 484709 Armrest Kit, LH 484717 Seat Belt Kit 485652 Recliner Knob Kit 484710 Armrest Kit, RH 486061 Cover, Back Cushion 481638 Seat Switch 485594 Track Kit, (Includes Handle Kit p/n 485717) 484714 Suspension Knob Kit 486060...

  • Page 66: Sttii Deck Drive Components

    Section 8 STTII DECK DRIVE COMPONENTS 14 7 61 60 59 2018_STTII DDC...
  • Page 67 Section 8 STTII DECK DRIVE COMPONENTS Ref. Ref. Part No. Description Part No. Description 04019-03 Nut, Serrated Flange 5/16-18 427106 Cover, Rear 04001-19 Bolt, Hex Head 3/8-16 x 1” 04003-07 Bolt, Carriage 1/4-20 x 1/2” 04063-06 Key, 1/4 x 1/4 x 1-1/2” 04003-02 Bolt, Carriage 1/4-20 x 3/4”...

  • Page 68: Sttii Engine And Attaching Parts - Air Cooled ( Gasoline)

    Section 8 STTII ENGINE AND ATTACHING PARTS - AIR COOLED ( GASOLINE)
  • Page 69 Section 8 STTII ENGINE AND ATTACHING PARTS - AIR COOLED (GASOLINE) Ref. Part No. Description 485036* Engine, 26EFI - Kohler 484238* Engine, 35BV - Briggs & Stratton 485894* Engine, 37BV-EFI - Briggs & Stratton 462851 Hood Assy., STTII (EFI) 462848 Hood Assy., STTII (35BV) 462963 Hood Assy., STTII (37BV-EFI)

  • Page 70: Sttii Engine & Attaching Parts - Liquid Cooled (Gasoline)

    Section 8 STTII ENGINE & ATTACHING PARTS - LIQUID COOLED (GASOLINE)
  • Page 71 Section 8 STTII ENGINE & ATTACHING PARTS - LIQUID COOLED (GASOLINE) Ref. Part No. Description 485395* Engine, FD850 - Kawasaki 462904 Hood Assy., STTII (FD851) - Fuel Injected 04009-07 Bolt, Shoulder 3/8 x 1/2 424633 Latch, Hood 483507 Spring, Hood Latch 424634 Lock, Hood Latch 04040-05...

  • Page 72: Sttii Engine & Attaching Parts - Kohler 25Ch-Lp-Efi

    Section 8 STTII ENGINE & ATTACHING PARTS - KOHLER 25CH-LP-EFI...
  • Page 73 Section 8 STTII ENGINE & ATTACHING PARTS - KOHLER 25CH-LP-EFI Ref. Part No. Description 485380* Engine, 25 LP-EFI - Kohler 427561 Guard, Muffler 04117-01 Nut, Flange Elastic Stop Nut, 5/16-18 Muffler, 25 LP-EFI - Kohler 04021-09 Nut, Elastic Stop 3/8-16 04019-03 Nut, Serr.

  • Page 74: Sttii Engine & Attaching Parts - Kubota Diesel

    Section 8 STTII ENGINE & ATTACHING PARTS - KUBOTA DIESEL 57 58...
  • Page 75 Section 8 STTII ENGINE & ATTACHING PARTS - KUBOTA DIESEL Ref. Ref. Part No. Description Part No. Description 462906 Battery Box w/Decal 485749* Engine, D902 - Kubota 422682 Cover, Battery 462917 Hood Assy., STTII (Kubota Diesel) 481780 Insulation, Battery Cover (Not Shown) 04009-07 Bolt, Shoulder 5/16-18 x 1/2”...

  • Page 76: Sttii Brake Components

    Section 8 STTII BRAKE COMPONENTS 11 12 48 11 2018_STTII BSC...
  • Page 77 Section 8 STTII BRAKE COMPONENTS Ref. Ref. Part No. Description Part No. Description 04001-190 Bolt, Hex Head 1/2-13 x 2-3/4” 04021-07 Nut, Elastic Stop 1/2-13 04021-19 Nut, Serrated Flange 3/8-16 04040-13 Flatwasher, 1/2-.562 x 1.375 x .109 426983 Mounting Bracket, Brakes 483453-03 Bearing 43872...

  • Page 78: Sttii Steering Components

    Section 8 STTII STEERING COMPONENTS 39 40 37 39...
  • Page 79 Section 8 STTII STEERING COMPONENTS Ref. Ref. Part No. Description Part No. Description 452718 Control Lever Weldment, RH 462804 Handle Bar w/Grip - LH 452717 Control Lever Weldment, LH 462805 Handle Bar w/Grip - RH 43600 Spacer, Bearing 484376 Grip, Control Lever 431024 Spacer, Controls 483238...

  • Page 80: Sttii Hydraulic System

    Section 8 STTII HYDRAULIC SYSTEM...
  • Page 81 Section 8 STTII HYDRAULIC SYSTEM Ref. Ref. Part No. Description Part No. Description 04030-02 Lockwasher, 1/4 483100 Pump, RH w/Fan 48572-06 Fitting, Union 3/4-16 JIC X O-Ring 462954 Pump, RH w/Fan (26EFI & 25LP Only) (incl. #17) 483101 Pump, LH, w/Fan 484458 Hose Assembly 481164...

  • Page 82: Sttii Fuel System - Gasoline Engines

    Section 8 STTII FUEL SYSTEM - GASOLINE ENGINES Kohler - EFI Briggs & Stratton - 35BVAC Briggs & Stratton - 37BV-EFI To Fuel Pump Kawasaki - FD750D Carburetor Kawasaki - FD791D Injector FD850D Fuel Return To Engine Purge Port Purge A*** Tank 23 10 15...
  • Page 83 Section 8 STTII FUEL SYSTEM - GASOLINE ENGINES Ref. Part No. Description 485621 Canister, 1.0 Liter 427051 Bracket, Carbon Canister 04003-02 Bolt, Carriage 1/4-20 x 3/4” 04117-01 Nut, Flange Elastic Stop 5/16-18 484345 Hose, 3/16 (order by inch) 48059-05 Clamp, Vapor Recovery Hose 3/16 48030-22 Clamp, Cable - .375 Dia.

  • Page 84: Sttii Fuel System - Kohler 25Ch-Lp-Efi

    Section 8 STTII FUEL SYSTEM - KOHLER 25CH-LP-EFI LP Tank LP Regulator LP Regulator Engine Harness Throttle Body...
  • Page 85 Section 8 STTII FUEL SYSTEM - KOHLER 25CH-LP-EFI Ref. Part No. Description 485376 LP Tank - Vapor 483903 Mounting Bracket Kit (incl. # 3, 4, 5, 6, 7) 483911 Handle, LP Tank Mounting Bracket 483910 Mounting Bracket, LP Tank Rear 483909 Mounting Bracket, LP Tank Front 483912...

  • Page 86: Sttii Fuel System - Kubota Diesel

    Section 8 STTII FUEL SYSTEM - KUBOTA DIESEL To Injection Pump Fuel Return 27 28 * - Available Through Engine Manufacturer Only 2017 STTII-DIESEL FS.eps...
  • Page 87 Section 8 STTII FUEL SYSTEM - KUBOTA DIESEL Ref. Part No. Description 48136-13 Hose Clamp, 0.69” Dia. 483620 ** Fuel Hose, 5/16” ID. Non-Perm. Fuel Filter, Kubota 427164 Bracket, Fuel Filter Mounting 04019-03 Nut, Serr. Flng. 5/16-18 04003-29 Bolt, Carriage 5/16-18 x 3/4” 04021-08 Nut, Hex Elastic Stop 1/4-20 Fuel Pump, Kubota...

  • Page 88: Bdp-16A Hydraulic Pump Assembly With Cooling Fan

    Section 8 BDP-16A HYDRAULIC PUMP ASSEMBLY with COOLING FAN PORT "A" SIDE PORT "B" SIDE...
  • Page 89 Section 8 BDP-16A HYDRAULIC PUMP ASSEMBLY with COOLING FAN Ref. Part No. Description HG70740 Overhaul Seal Kit HG52059 Fan Cover 485879 Fan Cover w/ Notch (26EFI & 25LP Right Side Pump Only) HG72158 Cylinder Block Kit - 16cc HG51462 Thrust Ball Bearing Assembly HG51436 Variable Swashplate HG2000015...

  • Page 90: Sttii Electrical System - Gasoline & Lp Engines

    Section 8 STTII ELECTRICAL SYSTEM - GASOLINE & LP ENGINES CHOKE (if applies) THROTTLE ENGINE STARTER GROUND...
  • Page 91 Section 8 STTII ELECTRICAL SYSTEM - GASOLINE & LP ENGINES Ref. Part No. Description 486011 Wire Harness, STTII-BV (Briggs & Stratton) 486131 Wire Harness, STTII-BV-EFI (Briggs & Stratton) 486012 Wire Harness, STTII-EFI (Kohler EFI, Gasoline & LP) 486132 Wire Harness, STTII-FD851D DFI (Kawasaki) 462069 Key Assy., w/Fob 48017-04...

  • Page 92: Sttii Electrical System - Kubota Diesel

    Section 8 STTII ELECTRICAL SYSTEM - KUBOTA DIESEL STARTER THROTTLE GROUND GLOW PLUG RELAY PULL COIL RELAY...
  • Page 93 Section 8 STTII ELECTRICAL SYSTEM - KUBOTA DIESEL Ref. Part No. Description 486133 Wire Harness, STTII-25KBD 462069 Key Assy., w/Fob 48017-04 Nut, Hex 5/8-32 48017-03 Lockwasher, 5/8 Internal 462930 Instrument Panel w/Decal 483399 Timer, Glow Plug 483356 Control Cable, Throttle 04013-04 Capscrew, 1/4-20 x 3/4”...

  • Page 94: Replacement Decals And Information Plates

    Section 8 REPLACEMENT DECALS AND INFORMATION PLATES FORWARD REVERSE 481568 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 485379 485773 STTII 2019 Decals 1 485965...
  • Page 95 Decal, Cutting Height - LH 484321 Decal, Fuel Tank Warning 484320 Decal, STT Adjustments 485685 Decal, Hood - STTII Fuel Injected 485699 Decal, Turf Tiger II 481664 Decal, Stripes-RH 481663 Decal, Stripes-LH 485680 Decal, Hood - STTII 483405 Decal, Warning...

  • Page 96: Electrical Schematic - Kohler Efi (Gasoline & Lp)

    Section 8 ELECTRICAL SCHEMATIC - KOHLER EFI (GASOLINE & LP) Position PTO Switch Legend ON (UP) DOWN (OFF) Position Key Switch Legend G + M + A SWITCH B + L + A TIGER EYE START B + L + S KEY SWITCH PLUG RELAY...

  • Page 97: Electrical Schematic - Kubota 25Kbd

    Section 8 ELECTRICAL SCHEMATIC - KUBOTA 25KBD Position PTO Switch Legend Position Key Switch Legend ON (UP) RELAY SWITCH G + M + A B + L + A START B + L + S DOWN (OFF) TIGER EYE KEY SWITCH NGK RELAY PLUG 12V OUTLET...

  • Page 98: Electrical Schematic - Kawasaki 31Dfi

    Section 8 ELECTRICAL SCHEMATIC - KAWASAKI 31DFI Position PTO Switch Legend ON (UP) DOWN (OFF) SWITCH Position Key Switch Legend G + M + A B + L + A TIGER EYE RELAY KEY SWITCH START B + L + S PLUG CHECK ENGINE...

  • Page 99: Electrical Schematic - Briggs & Stratton 35Bv

    Section 8 ELECTRICAL SCHEMATIC - BRIGGS & STRATTON 35BV Position PTO Switch Legend ON (UP) SWITCH Position Key Switch Legend DOWN (OFF) G + M + A B + L + A TIGER EYE KEY SWITCH START B + L + S PLUG RELAY 12V OUTLET...

  • Page 100: Electrical Schematic - Briggs & Stratton 37Bv-Efi

    Section 8 ELECTRICAL SCHEMATIC - BRIGGS & STRATTON 37BV-EFI Position PTO Switch Legend ON (UP) DOWN (OFF) SWITCH Position Key Switch Legend G + M + A TIGER EYE CHECK ENGINE B + L + A KEY SWITCH PLUG START B + L + S LIGHT RELAY...

  • Page 101: Limited Warranty - Commercial Equipment

    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 compo- nents for evaluation.
  • Page 102 © 2019 Scag Power Equipment Division of Metalcraft of Mayville, Inc.

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