User's Manual
Table Of Contents
- STT-31EFI Operators Manual 03251
- GENERAL INFORMATION
- SAFETY INFORMATION
- SPECIFICATIONS
- OPERATING INSTRUCTIONS
- 4.1 Controls And Instrument Identification
- 4.2 Safety Interlock System
- 4.3 Initial Run-In Procedures
- 4.4 Starting The Engine
- 4.5 Ground Travel And Steering
- 4.6 Engaging The Deck Drive (Cutter Blades)
- 4.7 Hillside Operation
- 4.8 Parking The Mower
- 4.9 After Operation
- 4.10 Removing Clogged Material
- 4.11 Moving Mower With Engine Stopped
- 4.12 Recommendations For Mowing
- 4.13 Adjusting Cutting Height
- 4.14 Adjusting The Steering Levers
- 4.15 Adjusting The Height Adjust Pedal
- 4.16 Towing (Optional Hitch Accessory)
- TROUBLESHOOTING CUTTING CONDITIONS
- ADJUSTMENTS
- MAINTENANCE
- ILLUSTRATED PARTS LIST
- 8.1 Scag Approved Attachments And Accessories
- ELECTRICAL SCHEMATIC (KOHLER 31HP - EFI)
- REPLACEMENT DECALS AND INFORMATION PLATES
- ELECTRICAL SYSTEM (31HP-EFI KOHLER)
- BDP-16A HYDRAULIC PUMP ASSEMBLY WITH COOLING FAN
- FUEL AND HYDRAULIC SYSTEM - KOHLER 31EFI
- BRAKE AND STEERING COMPONENTS
- DECK DRIVE COMPONENTS
- STT ROLL-OVER PROTECTION SYSTEM - WITH SUSPENSION SEAT
- SHEET METAL COMPONENTS
- CUTTER DECK CONTROLS
- 61V & 72VS CUTTER DECKS
- NOTES
- LIMITED WARRANTY - COMMERCIAL EQUIPMENT
11
R
Section 3
CUTTER DECK3.4
Type ...........................Floating, Adjustable, Anti-scalping, Hybrid Design Combines Out-front and Belly-mount Designs
Construction ..........................10-gauge steel reinforced with 7-gauge (3/16") Support Plate. 7-gauge (3/16") deck skirt.
True Cutting Width:
61V ........................................................................................................................................................61" (155.0 cm)
72VS ......................................................................................................................................................72" (182.9 cm)
Cutting Height Adjustment .......Foot-Operated Lever Adjustment from Operator's Seat, 1.00" to 6.00" in 1/4"increments
Cutter Blades .........................................................................197 or .250 Thick, Milled Edge, Wear Resistant Marbain™
61V .............................................................................................................................................. Three (3) 21" blades
72VS ......................................................................................................................................... Three (3) 24.5" blades
Blade Engagement ............................................................Electric Blade Engagement Clutch with Control Panel Switch
Connected to the Cutter Deck Gearbox through a Drive Shaft.
Discharge Opening ....................Extra Wide Discharge Opening with Spring-Loaded Discharge Chute and Turbo Baffle
Discharge Chute ...................................................................................................Black, Polypropylene (Plastic), Flexible
Spindles ......................................Heavy-Duty 1-1/8" Top Dimension Spindle Shaft, Cast Housing, Taper Roller Bearing,
Low-Maintenance with Top Access Grease Fitting and Grease Overfill Relief Poppet
Spindle Pulleys ............................................................................................ Split Steel with Easily Removed Taper Hubs
Cutter Deck Belts ....................................................................B-Section with Kevlar Cord, Self-adjusting, Self-tightening
Electric Clutch Type ................................................................................................Ogura Heavy-Duty PTO Clutch Brake
Drive Shaft ............................................................................................Clamp Yoke Shaft With Two High Speed U-Joints
HYDRAULIC SYSTEM3.5
Hydraulic Oil Filter ........................................................................................................ 10 Micron Spin-on Element Type
Hydraulic Reservoir .....................................................................................................................Nylon; 3 Quart Capacity
WEIGHTS AND DIMENSIONS SMT61V SMT72VS3.6
Length...............................................................................................................................87.5" ...................................90"
Tracking Width ................................................................................................................... 56" ....................................56"
Overall Width w/chute down .............................................................................................73.5" ...................................83"
Overall Width w/chute up ................................................................................................... 62" ....................................73"
Overall Height w/ROPS up ...............................................................................................67.5" ................................67.5"
Overall Height w/ROPS down ...........................................................................................56.5" ................................56.5"
Operating Weight w/ROPS ..............................................................................................1350# ............................. 1400#
PRODUCTIVITY SMT61V SMT72VS3.7
Cutting Width ..................................................................................................................... 61" ....................................72"
Acres Per Day ................................................................................................................... 23.7 ..................................... 28
The preceding chart will aid you in determining how many acres your Scag mower will cut per day. The chart is an
estimate based on 8 hours per day cutting time at 6 MPH with an allowance for overlap and turns.