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Table of Contents

SECTION 5 - TROUBLESHOOTING CUTTING CONDITIONS

21

SECTION 6 - ADJUSTMENTS

24

6.1 PARKING BRAKE ADJUSTMENT

24

6.2 TRAVEL ADJUSTMENTS

25

6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENTS

26

6.4 BELT ADJUSTMENT

26

6.5 BELT ALIGNMENT

27

6.6 CUTTER DECK ADJUSTMENTS

27

6.7 CUSTOM-CUT BAFFLE ADJUSTMENT

28

6.8 ELECTRIC CLUTCH ADJUSTMENT

30

SECTION 7 - MAINTENANCE

31

7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS

31

7.2 LUBRICATION

32

7.3 HYDRAULIC SYSTEM

34

7.4 ENGINE OIL

35

7.5 ENGINE FUEL SYSTEM

35

7.6 ENGINE AIR CLEANER

36

7.7 BATTERY

37

7.8 DRIVE BELTS

38

7.9 CUTTER BLADES

38

7.10 TIRES

39

7.11 CUTTER DECK GEARBOX

40

7.12 COOLING SYSTEM

40

7.13 BODY, DECK, AND UPHOLSTERY

41

NOTES

42

SECTION 8 - ILLUSTRATED PARTS LIST

43

8.1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES

43

52V CUTTER DECK

44

61V & 72VS CUTTER DECKS

46

CUTTER DECK CONTROLS

48

SHEET METAL COMPONENTS

50

STT ROLL-OVER PROTECTION SYSTEM

52

STT SUSPENSION SEAT

54

DECK DRIVE COMPONENTS

56

ENGINE AND ATTACHING PARTS - KOHLER

58

ENGINE & ATTACHING PARTS - 27HP, 29DFI KAWASAKI & 35BVAC

60

BRAKE AND STEERING COMPONENTS

62

STT HYDRAULIC SYSTEM

64

STT FUEL SYSTEM - EPA PHASE 2

66

STT FUEL SYSTEM - EPA PHASE 3

68

STT-LE FUEL SYSTEM - C.A.R.B. TIER 3

70

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Scag Power Equipment STT-35BVAC, STT-29DFI, STT61V-29DFI, STT61V-35BVAC manual Troubleshooting Cutting Conditions Adjustments

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.