3.1 ENGINE. Scag Power Equipment SFW36-16BV, SFW48-16BV, GC-4D, SFW Belt Drive
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Section 3
SPECIFICATIONS
3.1 ENGINE
General Type ................................................................................................Heavy Duty Industrial/Commercial Gasoline
Brand ....................................................................................................................................................... Briggs & Statton
Horsepower:
(Scag Model SFW36-16BV) ........................................................................................ 16 HP (Spec.#305776929002)
(Scag Model SFW48-16BV ........................................................................................ 16 HP (Spec.# 305776929002)
Cylinders ..................................................................................................................................... 2 with Cast-Iron Sleeves
Governor ........................................................................Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed:
Briggs & Stratton ......................................................................................................................................... 1750 RPM
Fuel ...................................................................................... Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump ........................................................................................................................ Positive Displacement Gerotor™
Starter:
Briggs & Stratton .................................................................................................................................... Recoil Starter
3.2 ELECTRICAL
Starter ......................................................................................................................... Electrical Ignition wi.Recoil Starter
Interlock Switches ................................................Operator Presence, Mower Engagement (BBC), Transmission Neutral
Instrument Panel .............................................................................................. Key Switch, Throttle Control, PTO Switch
3.3 ENGINE DECk
Drive System ....................................................................................Single Belt Drive w/4-Speed Peerless Transmission
Steering/Travel Control .................................................................................................... Clutch/Brake Fingertip Steering
Wheels:
(2) Front Caster .........................................................................................9 X 3.5-4 Four-Ply w/Roller Bearing Pivots
(2) Drive - ............................................................................... 15 x 6.0-6 Two-Ply Pneumatic Tubeless, Radius Edge
Tire Pressure:
Front Caster....................................................................................................................................................... 25 PSI
Drive .................................................................................................................................................................. 12 PSI
Fuel Tank ........................................................ 6-Gallon Seamless Polyethylene Tank with Large Opening and Fuel Cap
Travel Speed:
Forward ..........................................................................................................................................................2-6 MPH
Reverse ..........................................................................................................................................................0-2 MPH
-NOTE- The machine will travel at 6 mph for transport purposes. For best cutting performance the forward travel speed should be adjusted depending upon the cutting conditions.
3.4 CUTTER DECk
Type ....................................................................................................Floating, Adjustable, Anti-Scalping, Hybrid Design
Construction .................................. 10-Gauge deck top w/11-gauge reinforced spindle area, 7-gauge (3/16") deck skirt.
True Cutting Width:
36 .........................................................................................................................................................35.5" (90.2 cm)
48 ..........................................................................................................................................................48" (122.0 cm)
Cutting Height Adjustment .................................. Hand Operated Lever Adjustment from, 1.5" to 4.5" in 1/4" increments
Cutter Blades ............................................................................. 0.197 in. Thick, Milled Edge, Wear Resistant Marbain™
Blade Engagement ............................................................Electric Blade Engagement Clutch with Control Panel Switch
Connected to the Cutter Deck through a Belt.
Discharge Opening ............................................... Extra Wide Discharge Opening with Spring-Loaded Discharge Chute
Discharge Chute ...................................................................................................Black, Polypropylene (Plastic), Flexible
Spindles .........................................................Heavy-Duty Spindle Shaft, Cast Aluminum Housing, Sealed Ball Bearing,
Maintenance-Free
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Table of contents
- 5 1.1 INTRODUCTION
- 5 1.2 DIRECTION REFERENCE
- 5 1.3 SERvICING THE ENGINE AND DRIvE TRAIN COMPONENTS
- 6 1.4 SYMBOLS
- 7 2.1 INTRODUCTION
- 7 2.2 SIGNAL WORDS
- 7 2.3 BEFORE OPERATION CONSIDERATIONS
- 8 2.4 OPERATION CONSIDERATIONS
- 9 2.5 MAINTENANCE CONSIDERATIONS & STORAGE
- 10 2.6 USING A SPARk ARRESTOR
- 11 2.7 SAFETY AND INSTRUCTIONAL DECALS
- 12 3.1 ENGINE
- 12 3.2 ELECTRICAL
- 12 3.3 ENGINE DECk
- 12 3.4 CUTTER DECk
- 13 3.5 WEIGHTS AND DIMENSIONS
- 13 3.6 PRODUCTIvITY
- 14 4.1 CONTROLS AND INSTRUMENT IDENTIFICATION
- 15 4.2 SAFETY INTERLOCk SYSTEM
- 15 4.3 INITIAL RUN-IN PROCEDURES
- 15 4.4 STARTING THE ENGINE
- 16 4.5 GROUND TRAvEL AND STEERING
- 17 4.6 ENGAGING THE DECk DRIvE (CUTTER BLADES)
- 17 4.7 HILLSIDE OPERATION
- 17 4.8 PARkING THE MOWER
- 18 4.9 AFTER OPERATION
- 18 4.10 REMOvING CLOGGED MATERIAL
- 18 4.11 MOvING MOWER WITH ENGINE STOPPED
- 18 4.12 RECOMMENDATIONS FOR MOWING
- 19 4.13 ADJUSTING CUTTING HEIGHT
- 23 6.1 DRIvE CONTROL ADJUSTMENTS
- 23 6.2 THROTTLE CONTROL AND CHOkE ADJUSTMENTS
- 23 6.3 BELT ADJUSTMENT
- 23 6.4 BELT ALIGNMENT
- 23 6.5 CUTTER DECk ADJUSTMENTS
- 24 6.6 ELECTRIC CLUTCH ADJUSTMENT
- 26 7.1 MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS
- 27 7.2 LUBRICATION
- 28 7.3 ENGINE OIL
- 28 7.4 ENGINE FUEL SYSTEM
- 29 7.5 ENGINE AIR CLEANER
- 29 7.6 DRIvE BELTS
- 29 7.7 CUTTER BLADES
- 30 7.8 TIRES
- 31 8.1 SCAG APPROvED ATTACHMENTS AND ACCESSORIES
- 32 36" CUTTER DECk
- 34 48" CUTTER DECk
- 36 CUTTER DECk CONTROLS
- 38 HANDLE ASSEMBLY
- 40 ENGINE DECk
- 42 ELECTRICAL SYSTEM AND THROTTLE CONTROL
- 44 REPLACEMENT DECALS AND INFORMATION PLATES
- 46 SFW ELECTRICAL SCHEMATIC