Scag Power Equipment STT61V-29DFI-LE, STT-29DFI, STT61V-35BVAC, STT-35BVAC manual Description

Page 53

Section 8

R

61V & 72VS CUTTER DECKS

Ref.

Part No.

Description

61

72

No.

 

 

 

 

 

 

 

 

 

1

481625-01

Wing Nut, 3/8-16

X

X

2

424325

Belt Cover

X

 

 

422708

Belt Cover RH

 

X

 

422677

Belt Cover LH

 

X

3

04001-172

Bolt, Hex Head 1/4-20 x 1”

X

X

 

 

Grd 8

X

X

4

04020-09

Nut, 5/8-11 UNC

X

X

5

48926

Tapered Hub, 1-1/8” Bore

X

X

6

04041-07

Flatwasher, 3/8” (.391 x .938

 

 

 

 

x .105)

X

X

7

04021-09

Nut, Hex Elastic Stop 3/8-16

X

X

8

48141

Tapered Hub, 1” Bore

X

X

9

04063-0

Key, 1/4 x 1/4 x 1-1/4”

X

X

10

482746

Pulley, 6.75 O.D.

X

 

 

482745

Pulley, 6.35 O.D.

 

X

11

482745

Pulley, 6.35 O.D.

X

 

 

482747

Pulley, 6.95 O.D.

 

X

12

483215

Pulley, Idler

X

X

13

481558

Belt, Cutter Deck Drive

X

 

 

481980

Belt, Cutter Deck Drive

 

X

14

48114-04

Grease Fitting

X

X

15

461516

Pusharm (incl. items 14, 16,

 

 

 

 

& 18)

X

X

16

04020-16

Nut, Hex Head 5/8-18 UNF

X

X

17

04021-13

Nut, Hex Elastic Stop 5/8-11

X

X

18

48763

Rod End, 5/8” Male RH

 

 

 

 

Thread

X

X

19

04001-79

Bolt, Hex Head 5/8-11 x

 

 

 

 

4-1/2”

X

X

20

04019-03

Nut, Hex Serrated Flange

 

 

 

 

5/16-18

X

X

21

451240

Push Arm Shaft

X

X

22

45944

Roller Shaft

X

X

23

04001-12

Bolt, Hex Head 5/16-18 x

 

 

 

 

1-3/4”

X

X

24

48038

Wheel, Anti-Scalp

X

X

25

461663

Spindle Assembly

X

X

26

43589

Spindle Shaft

X

X

27

481024

Seal, Top

X

X

28

43644

Spindle Housing

X

X

29

43312

Spacer, Outside

X

X

30

481022

Bearing Assembly

X

X

31

481025

Seal, Bottom

X

X

32

481035

Nut, Special 1-1/16-18

X

X

33

43297

Spindle Bushing, Bottom

X

X

34

43296

Spacer, Inside

X

X

35

48677

Relief Fitting, Tapered

 

 

 

 

Spindle

X

X

36

483176

Wear Pad

X

 

 

483174

Wear Pad

 

X

37

04040-04

Flatwasher, 5/16”

X

X

38

04021-04

Nut, Center Lock 5/16-18

X

X

39

04063-08

Key, 1/4 x 1/4 x 2”

X

X

40

04043-06

Flatwasher, 5/8” Hardened

X

X

41

04001-41

Bolt, Hex Head 5/8-11 x

 

 

 

 

9-1/2”

X

X

42

482879

Cutter Blade, 21”

X

 

 

482881

Cutter Blade, 21” (35BVAC)

X

 

 

482882

Cutter Blade, 24.5”

 

X

43

43590

Spacer, Spindle Bottom

X

X

44

04001-176

Bolt, Hex Head 5/16-18 x

 

 

 

 

1-3/4”

X

X

 

 

 

 

 

Ref.

Part No.

Description

61

72

No.

 

 

 

 

 

 

 

 

 

45

424841

Baffle, Custom Cut 61V

X

 

 

424917

Baffl e, Custom Cut 72V

 

X

46

04003-23

Bolt, Carriage 3/8-16 x 1”

X

X

47

424209

Discharge Baffl e 61V

X

X

 

425625

Discharge Baffl e 61V (LE)

X

 

 

424856

Discharge Baffl e 72V

 

X

48

04021-22

Nut, Hex Elastic Stop 5/16-18

X

X

 

 

Grd 8

 

 

49

482295

Wheel, Anti-Scalp

X

X

50

48100-15

Bushing, .376 I.D. Oilite

X

X

51

481632

Anti-Scalp Wheel

X

X

52

04021-05

Locknut, 3/8-16 Center Lock

X

X

53

422478

Anti-Scalp Wheel Bracket

X

X

54

04003-26

Bolt, Carriage 3/8-16 x 4”

X

X

55

04017-27

Bolt, Hex Serrated Flange 3/8-

X

X

 

 

16 x 1”

 

 

56

04110-03

U-Nut, 3/8-16

X

X

57

04019-04

Nut, Hex Serrated Flange

X

X

 

 

3/8-16

 

 

58

04001-20

Bolt, Hex Head 3/8-16 x 1-1/2”

X

X

59

04001-54

Bolt, Hex Head 3/8-16 x 3”

X

X

60

43503

Pivot, Idler - Short

X

X

61

48224

Bearings, Ball

X

X

62

483704

Spring, Cutter Deck

X

X

63

04043-04

Flatwasher,3/8-.39 x .938 x

X

X

 

 

.105 HD

 

 

64

04001-136

Bolt, Hex Head 3/8-16 x 1-1/2”

X

X

 

 

Grd 8

 

 

65

461842

Idler Arm, Cutter Deck

X

X

66

04003-12

Bolt, Carriage 5/16-18 x 3/4”

X

X

67

04021-10

Nut, Elastic Stop 5/16-18

X

X

68

424798

Mounting Plate, RH Gearbox

X

X

69

482486

Gearbox Assembly, Deck Drive

X

X

70

43763

Spacer, Gearbox Mount

X

X

71

424799

Mounting Plate, LH Gearbox

X

X

72

04001-154

Bolt, Hex Head 5/16-18 x 4-3/4”

X

X

73

04030-03

Lockwasher, 5/16”

X

X

74

04040-15

Flatwasher, 5/16” (.375 x .875

X

X

 

 

x .083)

 

 

75

04021-11

Nut, Elastic Stop 7/16-14

X

X

76

04003-12

Bolt, Carraige 5/16-18 x 3/4”

X

X

77

04040-11

Flatwasher, 7/16-.500 x 1.25

X

X

 

 

x .083

 

 

78

04001-62

Bolt, Hex Head 3/8-16 x 3-1/4”

X

X

79

04003-40

Bolt, Carriage 7/16-14 x 1-1/4”

X

X

80

483167

Bolt, Deck Adjust

X

X

81

461929

Lever Assy, Deck Level (Incl.80)

X

X

82

461863

Cutter Deck 61 V w/Decals

X

 

 

462364

Cutter Deck 61 V w/Decals (LE)

X

 

 

462144

Cutter Deck 72 V w/Decals

 

X

83

483378

Spring, Discharge Chute

X

 

84

461846

Discharge Chute 61V

X

 

 

462132

Discharge Chute 72V

 

X

85

04001-108

Bolt, Hex Head 5/16-18 x 4-1/2”

X

X

86

462360

Belt Cover Assy. (LE model)

X

 

87

484368

Cap, Spindle (LE model)

X

 

 

 

 

 

 

47

Page 52 Page 54
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Page 52 Page 54
Contents OPERATOR’S Manual STT-35BVAC Remember Your Mower is only AS Safe AS the OperatorTable of Contents Troubleshooting Cutting Conditions Adjustments Limited Warranty Commercial Equipment Table of Contents Servicing The Engine And Drive Train Components IntroductionDirection Reference Symbol Description SymbolsSafety Information Operation Considerations Section ROLL-OVER Protection System Seat Belt Inspection Spark Ignition System Forward Reverse Electrical EngineCutter Deck Power HeadHydraulic System Weights And Dimensions 52V 61VProductivity 52V 61V 72VSControls And Instrument Identification Operating InstructionsDump Valve Control Safety Interlock SystemStarting The Engine Initial Run-In ProceduresGround Travel And Steering Forward TravelReverse Travel Engaging The Deck Drive Cutter BladesHillside Operation Rotating BladesAfter Operation Parking The MowerRecommendations For Mowing Adjusting Cutting HeightMoving Mower With Engine Stopped Adjusting The Height Adjust Pedal Adjusting The Steering LeversTowing Optional Hitch Accessory Condition Cause Cure Troubleshooting Cutting ConditionsCut, or Rough Contour Troubleshooting Cutting Conditions ContdScalping Blades Hitting Parking Brake Adjustment AdjustmentsNeutral Adjustment Travel AdjustmentsTracking Adjustment Throttle Control And Choke AdjustmentsBelt Adjustment Belt Alignment Cutter Deck AdjustmentsCutter Deck Level Cutter Deck PitchCutter Deck Height Custom-Cut Baffle AdjustmentPosition Custom-Cut Baffle Adjustment 10. Clutch Air Gap Adjustment Electric clutch adjustmentMaintenance Chart Recommended Service Intervals MaintenanceLubrication Maintenance Chart Recommended Service Intervals ContdLubrication Fitting Points Changing Hydraulic Oil Checking Hydraulic Oil LevelEngine Fuel System Engine OilReplacing In-Line Fuel Filter Elements Engine Air CleanerCleaning and/or Replacing Air Cleaner Element Charging the Battery BatteryCutter Blades Drive BeltsJump Starting Blade InspectionTires Blade ReplacementCooling System Cutter Deck GearboxChecking The Fan Belt Tension Liquid- Cooled Engines Only Cleaning the Radiator Debris ScreenBody, Deck, And Upholstery Section Scag Approved Attachments And Accessories Illustrated Parts ListSection Description 52V Cutter Deck61V & 72VS Cutter Decks Description Cutter Deck Controls Cutter Deck Controls Sheet Metal Components 9278 STT ROLL-OVER Protection System STT ROLL-OVER Protection System STT Suspension Seat Section Deck Drive Components 35BVAC Engine and Attaching Parts Kohler Available through the individual engine manufacturer Engine & Attaching Parts 27HP, 29DFI Kawasaki & 35BVAC Engine & Attaching Parts 27HP, 29DFI Kawasaki & 35BVAC Brake and Steering Components Bolt, Carriage 5/16-18 x STT Hydraulic System Base Fuel Models produced prior to 1/1/2011 STT Fuel System EPA PhaseSTT Fuel System EPA Phase 3 models produced after 1/1/2011 STT Fuel System EPA Phase STT FS Carb Teir 3 Rev2.eps STT-LE Fuel System C.A.R.B. Tier BDP-16A Hydraulic Pump Assembly BDP-16A Hydraulic Pump Assembly Port a Side Hex Screw, Flanged Head M10 x 1.50-65mm Section Electrical System Kohler & Briggs & Stratton Instrument Panel, Top w/Decals Electrical System 27HP Kawasaki Electrical System 27HP Kawasaki Electrical System 29DFI Kawasaki Electrical System 29DFI Kawasaki Heavy-Duty Replacement Decals and Information Plates1617 STT Electrical Schematic Kohler Engine STT Electrical Schematic 27HP KawasakiRelay Electrical Schematic 29DFI KawasakiSection STT Electrical Schematic 35BVAC Briggs & Stratton Limited Warranty Commercial Equipment

STT-35BVAC, STT61V-29DFI-LE, STT61V-35BVAC, STT61V-29DFI, STT-29DFI specifications

Scag Power Equipment is renowned for its high-quality lawn care machinery, and among its range of products, the STT series stands out, particularly the STT-29DFI, STT61V-35BVAC, STT61V-29DFI, STT61V-29DFI-LE, and STT-35BVAC models. These zero-turn mowers are designed to deliver exceptional performance, durability, and efficiency, catering to both commercial landscapers and homeowners alike.

The STT-29DFI offers an impressive 29 horsepower, powered by a state-of-the-art EFI engine. This model boasts an advanced deck design, featuring a robust 61-inch cutting width that ensures a clean and even cut. The mower's zero-turn capability allows for enhanced maneuverability, making it easier to navigate around obstacles and achieve a professional finish.

In comparison, the STT61V-35BVAC takes power to the next level with a 35 horsepower engine. This model is perfect for tackling larger areas and more challenging terrains. The vacuum-assisted cutting system effectively collects clippings, reducing cleanup time after mowing. The heavy-duty, reinforced steel frame ensures long-lasting durability, while the comfortable operator seat and control system enhance user experience.

The STT61V-29DFI is another remarkable addition to this lineup, featuring a 29 horsepower engine equipped with EFI technology. This model focuses on fuel efficiency, allowing operators to maximize output while minimizing fuel consumption. With its 61-inch cutting deck, it provides an excellent balance between power and precision, ideal for both commercial and residential use.

For those looking for a more specialized option, the STT61V-29DFI-LE includes enhancements aimed at professional landscapers, such as a premium seat suspension system for extended comfort during long operating hours. This model also features a customizable control panel, making it easier for operators to tailor settings to their specific needs.

Lastly, the STT-35BVAC integrates a robust 35 horsepower engine, along with advanced features that promote efficiency and productivity. This model's design prioritizes user-friendly operation, with intuitive controls and easy access to maintenance points. The vacuum system further enhances its capabilities by collecting grass clippings and debris as you mow, ensuring a tidy lawn at all times.

In summary, Scag Power Equipment's STT series is characterized by powerful engine options, advanced cutting technologies, and a commitment to durability and operator comfort. Whether you choose the STT-29DFI, STT61V-35BVAC, STT61V-29DFI, STT61V-29DFI-LE, or STT-35BVAC, you can expect a mower that stands up to the demands of any lawn care task.
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