Scag Power Equipment STT manual 52& 61 Cutter Decks, Ref. Part Description

Page 39

Section 8

52"& 61" CUTTER DECKS

Ref. Part

 

 

 

Ref. Part

 

 

 

No.

No.

Description

52 61

No.

No.

Description

52 61

 

 

 

 

 

 

 

 

 

 

1

461137

Cutter Deck (Includes decals)

x

 

35

43298

Spindle Shaft

x

x

 

36

481024

Seal, Top

x

x

 

461141

Cutter Deck (Includes decals)

 

x

 

 

 

 

 

 

 

 

461145

Cutter Deck Bahia (Not Shown)

x

 

37

481022

Bearing Assembly

x

x

 

461147

Cutter Deck Bahia (Not Shown)

 

x

 

 

38

43294

Spindle Housing

x

x

2

04003-04

Bolt, Carriage 5/16-18 x 1"

x

x

39

43312

Spacer, Outside

x

x

3

04019-04

Nut, Hex Serrated Flange 3/8-16

x

x

40

43296

Spacer, Inside

x

x

4

481625-01

Wing nut, 3/8-16

x

x

41

481025

Seal, Bottom

x

x

5

481632

Anti-Scalp Wheel

x

x

42

43297

Spindle Bushing, Bottom

x

x

6

04003-26

Bolt, Carriage 3/8-16 x 4"

x

x

43

481035

Nut, Special 1 - 1/16-18

x

x

7

422478

Anti-Scalp Wheel Bracket

x

x

44

48114-04

Grease Fitting

x

x

8

04017-27

Bolt, Hex Serrated Flange 3/8-16 x 1"

x

x

45

48677

Relief Fitting, Tapered Spindle

x

x

9

04040-10

Flatwasher, 5/8" (.688 x 1.75 x .134)

x

x

46

481050

Spring, Discharge Chute

x

x

10

04021-05

Locknut, 3/8-16 Center Lock

x

x

47

48038

Guide, Roller

x

x

11

461054

Discharge Chute

x

 

 

48

48108

Cutter Blade, 18"

x

 

 

461055

Discharge Chute

 

x

 

 

 

 

48111

Cutter Blade, 21"

 

x

 

461058

Discharge Chute Bahia (Not Shown)

x

 

 

 

 

 

49

481516

Gearbox Assembly, Deck Drive

x

x

 

461059

Discharge Chute Bahia (Not Shown)

x

 

 

 

50

481557

Belt, Cutter Deck Drive

x

 

12

04001-09

Bolt, Hex Head 5/16-18 x 1"

x

x

 

 

481558

Belt, Cutter Deck Drive

 

x

13

04021-10

Nut, Hex Elastic Stop 5/16-18

x

x

 

 

51

45944

Roller Shaft

x

x

14

04020-09

Nut, 5/8-11 UNC

x

x

52

48926

Tapered Hub, 1-1/8" Bore

x

x

15

45332

Push Arm Shaft

x

x

53

48141

Tapered Hub, 1" Bore

x

x

16

04001-41

Bolt, Hex Head 5/8-11 x 9-1/2"

x

x

54

461075

Idler Arm, Cutter Deck

x

x

17

04003-12

Bolt, Carriage 5/16-18 x 3/4"

x

x

55

48224

Bearings, Ball

x

x

18

04001-108

Bolt, Hex Head 5/16-18 x 4-1/2"

x

x

56

48269

Pulley, Idler

x

x

19

04063-08

Key, 1/4 x 1/4 x 2"

x

x

57

422713

Pivot Weldment, Idler

x

x

20

04063-01

Key, 1/4 x 1/4 x 1-1/4"

x

x

58

48753

Pulley, 6.35 O.D.

x

x

21

04043-04

Flatwasher,3/8-.39 x .938 x .105 HD

x

x

59

422426

Mounting Plate, Gearbox

x

x

22

04001-10

Bolt, Hex Head 5/16-18 x 1-1/4"

x

x

60

422412

Belt, Cover

x

 

22A

04001-11

Bolt, Hex Head 5/16-18 x 1-1/2”

x

x

 

 

422413

Belt, Cover

 

x

23

04019-03

Nut, Hex Serrated Flange 5/16-18

x

x

 

 

61

461036

Pusharm (includes items 44, 62, 63 & 64)

x

x

24

04001-01

Bolt, Hex Head 1/2-20 x 3/4"

x

x

62

43309

Spacer, Spindle

x

x

25

48100-15

Bushing, .376 I.D. Oilite

x

x

63

04020-16

Nut, Hex Head 5/8-18 UNF

x

x

26

04030-03

Lockwasher, 5/16"

x

x

64

48763

Rod End, 5/8" Male RH Thread

x

x

27

04040-15

Flatwasher, 5/16" (.375 x .875 x .083)

x

x

65

04001-79

Bolt, Hex Head 5/8-11 x 4-1/2"

x

x

28

04041-07

Flatwasher, 3/8" (.391 x .938 x .105)

x

x

66

481597

Spring, Cutter Deck

x

x

29

04021-09

Nut, Hex Elastic Stop 3/8-16

x

x

67

48967

Pulley, 6.95 O.D.

x

 

30

04001-62

Bolt, Hex Head 3/8-16 x 3-1/4"

x

x

 

 

48753

Pulley, 6.35 O.D.

 

x

31

04001-31

Bolt, Hex Head 3/8-16 x 2-1/2"

x

x

 

 

68

04110-03

U-Nut, 3/8-16

x

x

32

04001-20

Bolt, Hex Head 3/8-16 x 1-1/2"

x

x

69

04021-13

Nut, Hex Elastic Stop 5/8-11

x

x

33

04001-136

Bolt, Hex Head 3/8-16 x 1-1/2" Grade 8

x

x

70

422600

Discharge Baffle 52”

x

 

34

46631

Spindle Assembly

x

x

 

71

422601

Discharge Baffle 61”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

43503

Pivot, Idler - Short

 

x

 

 

 

 

 

 

 

 

 

 

* Common hardware which should be purchased locally. All bolts Grade 5 plated, all other fasteners zinc plated.

35

Image 39
Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Introduction Direction ReferenceServicing the Engine and Drive Train Components Before Operation Considerations Signal WordsOperation Considerations Before Operation Considerations ContdOperation Considerations Contd Maintenance ConsiderationsSafety and Instructional Decals Spinning Blade Start / Drive ProcedureRotating Blades and Belts Engine ElectricalTractor Hydraulic System Weights and Dimensions ModelTractor Contd Cutter DeckSection Controls and Instrument Identification Operating InstructionsSafety Interlock System Ground Travel and Steering Starting the EngineForward Travel Engaging the Deck Drive Cutter Blades Reverse TravelHillside Operation Parking the MowerAfter Operation Recommendations for Mowing Rotating BladesRemoving Clogged Material Moving Mower with Engine StoppedDeck Release Lever Adjusting Cutting HeightCondition Cause Cure Troubleshooting Cutting ConditionsScalloped Cut, or Rough Contour Troubleshooting Contd Condition Cause CureGround Troubleshooting ContdTravel Adjustments Parking Brake AdjustmentRH Steering Control Rod Adjustment Neutral AdjustmentBelt Alignment Tracking AdjustmentThrottle Control and Choke Adjustments Belt AdjustmentCutter Deck Adjustments Cutter Deck LevelCutter Deck Pitch Cutter Deck Height Cutter Deck Height AdjustmentMaintenance Chart Recommended Service Intervals MaintenanceLubrication Grease Fitting Lubrication Chart see Figure Maintenance Chart Recommended Service Intervals ContdLubrication Fitting Points Changing Hydraulic Oil Checking Hydraulic Oil LevelChanging Engine Crankcase Oil Changing Hydraulic Oil Filter ElementEngine OIL Checking Engine Crankcase Oil LevelEngine Fuel System Engine AIR CleanerBattery Checking Electrolyte Level and Cleaning BatteryCharging the Battery Cutter Blades Jump StartingDrive Belts Blade SharpeningTires Blade ReplacementChecking Coolant Level Cutter Deck GearboxChecking Lubricant Level Kawasaki Cooling SystemCleaning the Radiator Debris Screen Checking The Fan Belt TensionBODY, DECK, and Upholstery Section 52 & 61 Cutter Decks Ref. Part Description 52& 61 Cutter DecksCutter Deck CONTROLS, 52 & 61 Decks Part Description Cutter Deck CONTROLS, 52 & 61 DecksSheet Metal Components Sheet Metal Components Deck Drive Components Deck Drive Components Engine and Attaching Parts Kohler Engine and Attaching Parts Kohler Engine and Attaching Parts Kawasaki Engine and Attaching Parts Kawasaki Brake and Steering Components Brake and Steering Components Fuel and Hydraulic System Fuel and Hydraulic System Electrical System Kohler Electrical System Kohler Electrical System Kawasaki Electrical System Kawasaki Hydraulic Pump Assembly Housing Kit Includes Housing, Journal Bearing Operating Machine Replacement Decals and Information Plates2018 Electrical Schematic Kohler Electrical Schematic Kawasaki Limited WARRANTY-COMMERCIAL Equipment 1998

STT specifications

Scag Power Equipment is renowned for producing high-quality outdoor power equipment, and among its impressive lineup is the Scag STT series of zero-turn mowers. These machines are designed for professionals who require efficient, durable, and powerful mowing performance. The STT offers several features that set it apart from the competition, making it a fantastic choice for landscaping and lawn care businesses.

One of the standout features of the Scag STT is its powerful engine options. The mower is available with various engine choices, including the reliable Kawasaki and Kohler engines, which provide ample power to tackle even the toughest mowing tasks. With horsepower ratings reaching up to 25 HP, the STT ensures that operators can efficiently handle large properties and dense grass without any strain.

The STT's innovative design includes a robust steel frame and deck that provide exceptional durability and longevity. The mower's heavy-duty construction ensures it can withstand the rigors of daily professional use. The commercial-grade cutting deck is available in sizes ranging from 48 to 61 inches, allowing for versatility based on the user's specific needs. This deck features Scag's patented design, which enhances airflow for superior cutting performance and an immaculate finish.

Another key characteristic of the STT is its patented Velociti Drive System. This technology allows for faster ground speeds while maintaining optimum control, ensuring that operators can cover large areas quickly without sacrificing mowing quality. Additionally, the STT is equipped with a hydrostatic drive system that provides smooth acceleration and efficient operation, making it easy to navigate around obstacles and tight spaces.

Operators will also appreciate the comfort features incorporated into the STT design. The mower comes with a premium high-back seat, complete with adjustable armrests, which contributes to reduced fatigue during long mowing sessions. The ergonomic control layout, including easy-to-use controls and a spacious operator platform, enhances comfort and usability, making it ideal for professionals who spend hours mowing.

Maintenance is straightforward with the Scag STT, thanks to features like easy-access maintenance components and a simplified grease system. This design minimizes downtime and allows for quick servicing, enabling operators to spend more time on the job.

In summary, the Scag Power Equipment STT combines robust engineering, powerful engine options, and innovative technologies to deliver outstanding mowing performance. Its durability, comfort features, and ease of maintenance make it an excellent choice for landscape professionals looking for a reliable and efficient zero-turn mower for their business.