Table of Contents
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SW
Walk-Behind
Model:
SW32-481FS
SW36A-481FS
SW48V-481FS
SW52V-541FS
Congratulations on owning a Scag mower! This manual contains the operating
instructions and safety information for your Scag mower. Reading this manual
can provide you with assistance in maintenance and adjustment procedures to
keep your mower performing to maximum efficiency. The specific models that
this book covers are listed on the inside cover. Before operating your machine,
please read all the information enclosed.
© 2011
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
PART NO. 03284
PRINTED 9/2011
PRINTED IN USA
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Table of Contents
Related Manuals for Scag Power Equipment SW32-481FS
Summary of Contents for Scag Power Equipment SW32-481FS
- Page 1 The specific models that this book covers are listed on the inside cover. Before operating your machine, please read all the information enclosed. © 2011 PART NO. 03284 Scag Power Equipment PRINTED 9/2011 Division of Metalcraft of Mayville, Inc. PRINTED IN USA...
- Page 2 CONCERN, PRUDENCE, AND PROPER TRAINING OF THE PERSONNEL INvOLvED IN THE OPERATION, TRANSPORT, MAINTENANCE, AND STORAGE OF THE EqUIPMENT. This manual covers the operating instructions and illustrated parts list for: SW32-481FS with a serial number of F9500001 to F9599999 SW36A-481FS...
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Page 3: Table Of Contents
Table of Contents Table of Contents SECTION 1 - GENERAL INFORMATION ...................1 1.1 INTRODUCTION ............................1 1.2 DIRECTION REFERENCE ...........................1 1.3 SERvICING THE ENGINE AND DRIvE TRAIN COMPONENTS ..............1 1.4 SYMBOLS ..............................2 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................3 2.4 OPERATION CONSIDERATIONS ........................4... - Page 4 Table of Contents SECTION 6 - ADJUSTMENTS ....................18 6.1 DRIvE CONTROL ADJUSTMENTS ......................18 6.2 THROTTLE CONTROL AND CHOkE ADJUSTMENTS ................18 6.3 CUTTER DECk BELT ADJUSTMENTS ....................18 6.4 BELT ALIGNMENT .............................19 6.5 ADJUSTING CUTTING HEIGHT ........................19 6.6 ELECTRIC CLUTCH ADJUSTMENT ......................22 SECTION 7 - MAINTENANCE ....................23...
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Page 5: General Information
Scag service parts. All information is based upon product information available - IMPORTANT - at the time of approval for printing. Scag Power Equipment The replacement of any part on this product reserves the right to make changes at any time without by other than the manufacturer's authorized notice and without incurring any obligation. -
Page 6: Symbols
Section 1 SYMBOLS SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop Falling Hazard Thrown Object Hazard Fast Slow Continuously Variable - Linear Cutting Element - Basic Symbol Pinch Point Cutting Element - Engage 481039S Hour meter/Elapsed Operating Hours Cutting Element - Disengage... -
Page 7: Safety Information
Section 2 SAFETY INFORMATION INTRODUCTION DANGER Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury The signal word “DANGER” denotes that an extremely or death. Hazard control and accident prevention are hazardous situation exists on or near the machine that dependent upon the awareness, concern, prudence, and could result in high probability of death or irreparable injury... -
Page 8: Operation Considerations
Section 2 If the operator(s) or mechanic(s) cannot read English Keep flammable objects (cigarettes, matches, etc.), or Spanish, it is the owner's responsibility to explain open flames and sparks away from the fuel tank and this material to them. fuel container. Use only approved containers. DO NOT wear loose fitting clothing. -
Page 9: Maintenance Considerations & Storage
Section 2 WARNING DANGER DO NOT use your hand to dislodge the clogged DO NOT run the engine inside a building or discharge chute. Use a stick or other device to a confined area without proper ventilation. remove clogged material after the engine has Exhaust fumes are hazardous and contain stopped running and the blades have stopped carbon monoxide which can cause brain injury... -
Page 10: Using A Spark Arrestor
Section 2 Keep all nuts, bolts and screws tight, to ensure the machine is in safe working condition. Check blade mounting bolts frequently to be sure they are tight. Do not change the engine governor settings or overspeed the engine. See the engine operator's manual for information on engine settings. -
Page 11: Safety And Instructional Decals
Section 2 SAFETY AND INSTRUCTIONAL DECALS WARNING WARNING INSTALL BELT COvER BEFORE DO NOT OPERATE WITHOUT DISCHARGE CHUTE, MULCHING OPERATING MACHINE kIT, OR ENTIRE GRASS CATCHER INSTALLED READ OPERATOR'S MANUAL 483405 483402 483405 WARNING SPINNING BLADES ROTATING BLADES AND BELTS kEEP CLEAR * keep hands, feet &... -
Page 12: Specifications
SPECIFICATIONS ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Brand ..................................Kawasaki Engine Model: (Scag Model SW32-481FS, SW36A-481FS, SW48V-481FS) ........... Kawasaki Model # FS481V (Scag Model SW52V-541FS) .................... Kawasaki Model # FS541V Displacement: Kawasaki FS481V .............................. 603cc Kawasaki FS541V .............................. 603cc Cylinders ........................2 with Cast-Iron Sleeves - Kawasaki Governor ..........Mechanical Type with Variable Speed Control Set At 3600 RPM (+/- 100 RPM) -
Page 13: Cutter Deck
Section 3 CUTTER DECk Type ........................Out-Front design with anti-scalp rollers Construction .......7-Gauge Deck Top w/10-Gauge Reinforced Spindle Area, 7-gauge (3/16") Deck Skirt. True Cutting Width: 32 ................................32" (81.3 cm) 36 .................................35.5" (90.2 cm) 48 ................................48" (122.0 cm) 52 ................................52" (132.0 cm) Cutting Height Adjustment .............. -
Page 14: Operating Instructions
Section 4 OPERATING INSTRUCTIONS Mower Deck Switch (Figure 4-1). Used to engage CAUTION and disengage the mower drive system. Pulling up on the switch will engage the deck drive. Pushing down on the switch will disengage the deck drive. Do not attempt to operate this mower unless you Engine Choke Control (Figure 4-1). -
Page 15: Safety Interlock System
Section 4 STARTING THE ENGINE Transmission Shift Lever (Figure 4-1). Used to select the forward speed or selecting reverse. The machine must be at a complete stop before shifting between gears or shifting between forward and CAUTION reverse. Neutral Latch (Figure 4-1). Used to secure the belt drive system in neutral. -
Page 16: Engaging The Deck Drive (Cutter Blades)
Section 4 FORWARD TRAvEL CAUTION To travel forward with the mower, select the desired speed using the transmission shift lever, pull steering / brake Before backing up, observe the rear for persons control levers upward, release the neutral latch for both and obstructions. -
Page 17: Hillside Operation
Section 4 Travel across the slope whenever possible. Never up and down the slope. Keep tires properly inflated. PARkING THE MOWER Park the machine on a flat, level surface only. Do not park the machine on an incline. PULL UP TO ENGAGE Disengage the cutter blades. -
Page 18: Removing Clogged Material
Section 4 4.10 REMOvING CLOGGED MATERIAL Cut grass when it is dry and not too tall. Do not cut grass too short (cut off 1/3 or less of existing grass for best appearance). Mow frequently. DANGER Keep mower and discharge chute clean. When mowing wet or tall grass, mow the grass twice. -
Page 19: Troubleshooting Cutting Conditions
Section 5 TROUBLESHOOTING CUTTING CONDITIONS CONDITION CAUSE CURE STRINGERS - OCCASIONAL Low engine RPM Run engine at full RPM BLADES OF UNCUT GRASS Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Dull blades, incorrect sharpening Sharpen blades Deck plugged, grass accumulation... - Page 20 Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE U N E v E N C U T O N F L AT Lift worn from blade Replace blade GROUND - WAvY HIGH-LOW APPEARANCE, SCALLOPED Blade upside down Mount with cutting edge toward ground CUT, OR ROUGH CONTOUR Deck plugged, grass accumulation Clean underside of deck...
- Page 21 Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE SCALPING - BLADES HITTING Low tire pressures Check and adjust pressures DIRT OR CUTTING vERY CLOSE TO THE GROUND Ground speed too fast Slow speed to adjust for conditions May need to reduce ground speed, raise Cutting too low cutting height, change direction of cut, and/or change pitch and level...
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Page 22: Adjustments
Section 6 ADJUSTMENTS DRIvE CONTROL ADJUSTMENTS CUTTER DECk BELT ADJUSTMENTS Adjust the steering control rods so that there is approximately 3/4" clearance from the bottom of the WARNING rod to the bottom of the neutral latch slot when in the drive position. -
Page 23: Belt Alignment
Section 6 HEIGHT is the nominal distance the blade is off of the BELT ground. This measurement is made with the blades pointed side to side and distance is measured between the cutting tip and ground. (Also see Blade Height Adjustment). WASHER Changes to the cutting height can be acheived by repositioning the cutter deck. - Page 24 Section 6 BLADE HEIGHT ADJUSTMENT CUSTOM-CUT BAFFLE ADJUSTMENT Adjusting the blade height can be done by moving any The Custom-Cut Baffle is designed to deliver optimum number of the five smaller 1/4" spacers on the blade airflow and superior cutting performance in any type of mounting bolts to the top of the spindle shaft or below the grass.
- Page 25 Section 6 Custom-Cut Baffle Adjustment Mounting Slot Selected Mounting Hardware Location Slot “A” Hole 1 Hole 2 Hole 3 Hole 4 Height (inches) 3-3/4” 4-1/4” 4-3/4” 5-1/4” Slot “B” Hole 2 Hole 3 Hole 4 Height (inches) 3-1/2” 4” 4-1/2” Figure 6-8.
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Page 26: Electric Clutch Adjustment
Section 6 ELECTRIC CLUTCH ADJUSTMENT ADJUSTMENT NUTS The electric clutch serves two functions in the operation of the mower. In addition to starting and stopping the power flow to the cutter blades, the clutch also acts as a brake to assist in stopping blade rotation when the PTO is switched off or the operator presence circuit is interrupted. -
Page 27: Maintenance
Section 7 MAINTENANCE MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS HOURS PROCEDURE COMMENTS BREAk-IN 100 200 500 (FIRST 10) Check all hardware for tightness C h e c k a l l b e l t s f o r p r o p e r See paragraph 7.6 alignment Check engine oil level... -
Page 28: Lubrication
Section 7 MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS (CONT'D) HOURS PROCEDURE COMMENTS BREAk-IN (FIRST 10) Check hardware for tightness Change engine oil filter See paragraph 7.3 Replace engine fuel filter See paragraph 7.3 Grease caster wheel pivot See paragraph 7.2 shafts Adjust electric PTO clutch See paragraph 6.6... - Page 29 Section 7 GREASE FITTING LUBRICATION LUBRICANT / INTERVAL LITHIUM MP WHITE GREASE 2125 ( 40 HOURS / WEEKLY ) CHASSIS GREASE ( 100 HOURS / BI-MONTHLY ) CHASSIS GREASE ( 200 HOURS / MONTHLY ) 390S0178 Figure 7-1. Lubrication Fitting Points...
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Page 30: Engine Oil
Section 7 ENGINE OIL FILLER NECK INSERT A. CHECkING ENGINE CRANkCASE OIL LEvEL FUEL LEVEL The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine Operator’s Manual furnished with this mower. B. -
Page 31: Engine Air Cleaner
Section 7 CUTTER BLADES Replace gas cap and tighten securely. For Low Emission (LE) and EPA Phase 3 (produced after 1/1/2011) models, tighten the fuel cap until it A. BLADE INSPECTION ratchets. Remove the ignition key before servicing the blades. B. -
Page 32: Tires
Section 7 Sharpen the cutting edge at the same bevel as the CAUTION original. See Figure 7-3. Sharpen only the top of the cutting edge to maintain sharpness. Inspect the cutter blade spacer(s) and washer Angle Blade Back for wear and/or cupping. Replace the worn parts. Do Not Cut In Worn spacer(s) and/or washer will not allow proper tightening of the cutter blade and can lead... -
Page 33: Illustrated Parts List
Section 8 ILLUSTRATED PARTS LIST SCAG APPROvED ATTACHMENTS AND ACCESSORIES. Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine. Scag approved attachments and accessories: • Mulch Plate (p/n 9258, 9286, 9287) •... -
Page 34: 32" & 36A Cutter Decks
Section 8 32" & 36A CUTTER DECkS SW2011CD36A... - Page 35 Section 8 32" & 36A CUTTER DECkS Ref. Ref. Part No. Description Part No. Description 483215 Idler Pulley, Belt Clutch 461847 Cutter Deck w/Decals 481024 Seal, Cutter Spindle 461848 Cutter Deck w/Decals 43297 Spindle Bushing 461663 Cutter Spindle Assembly 43296 Spacer, Inside 43312 Spacer, Outside...
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Page 36: 48V & 52V Cutter Decks
Section 8 48v & 52v CUTTER DECkS 40 39 SW-06CD48V-52V... - Page 37 Section 8 48v & 52v CUTTER DECkS Ref. Ref. Part No. Description Part No. Description 461091 Idler Arm Assy. (Incl. 62) 461852 Cutter Deck w/Decals 483176 Pad, Deck Wear 461855 Cutter Deck w/Decals 43028 J-Rod, Idler Pulley 461663 Spindle Assembly 43077 Spacer, J-Rod 43296...
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Page 38: Notes
Section 8 NOTES... -
Page 39: Caster Assembly
Section 8 CASTER ASSEMBLY SW-SWZ2006CSTR Ref. Part No. Description 04066-01 Quick Pin 43037-01 Spacer, Spacer Yoke, 1/2" Long 48100-01 Bronze Bearing 48114-04 Greasing Fitting 46082 Support Assembly (Incl. #3 & #4) 45006 Caster Yoke 04021-07 Nut, Elastic Stop 1/2-13 43022 Sleeve, Caster Wheel Bearing 04001-37 Bolt, Hex Head 1/2-13 x 5-1/2"... -
Page 40: Engine Deck
Section 8 ENGINE DECk (1 loc.) 40, 40A SW2011ED... - Page 41 Section 8 ENGINE DECk Ref. Ref. Part No. Description Part No. Description 04063-19 Key, 1/4 x 1/4 x 3/4" 484212 Engine, Kawasaki FS481Z 04041-28 Flat Washer, 7/16" Special 484213 Engine, Kawasaki FS541V 04030-05 Lock Washer, 7/16" 48030-09 Cable Clamp 04102-04 Bolt, 7/16-20 x 2-1/2"...
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Page 42: Handle Assembly
Section 8 HANDLE ASSEMBLY HANDLE ASSEMBLY SW 2011 HA... - Page 43 Section 8 HANDLE ASSEMBLY Ref. Ref. Part No. Description Part No. Description 482645 Pulley, Jackshaft (Inc. 47) 461972 Handle Assembly 04012-04 Setscrew, Hex Socket Knurl 421360 Belt Guard Cup Pt. 5/16-18 04017-27 Capscrw, 3/8-16 x 1" Serr. Flg. 43098 Spacer, Jackshaft Pulley 04041-07 Washer, 3/8"...
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Page 44: Sw Fuel System
Section 8 SW FUEL SYSTEM FUEL SYSTEM - E.P.A. PHASE 3 (produced after 1/1/2011) Tank Purge To Fuel Pump To Engine Purge Port 2011 SW EPA Phase 3 Fuel System... - Page 45 Section 8 SW FUEL SYSTEM Ref. Part No. Description 462290 Fuel Tank Assembly (incl. #3, 4, 5, 6, 16, 17) 484286 Fuel Cap w/ Tether (E.P.A.) 484259 Fuel Gauge Assembly (incl. #4) 484242 Seal, Fuel Gauge 482571 Bushing, .56 Dia. Viton 483747 Ball Valve w/Screen 48059-01...
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Page 46: Instrument Panel
Section 8 INSTRUMENT PANEL SW2011 IP Ref. Part No. Description 48717 Switch, Neutral Lock 482814 Throttle Contro - Kohler 48946 Throttle Control - Kawasaki 483957 Engagement Switch, Electric Clutch 48609 Key Switch 48023 Hour Meter (dealer installed) 04003-43 Bolt, Carriage #10-32 x 1/2" 04021-26 Nut, #10-32 Elastic Stop 482711... -
Page 47: Peerless Transmission 700-070
Section 8 PEERLESS TRANSMISSION 700-070 FOR REFERENCE ONLY - ORDER PARTS FROM PEERLESS / TECUMSEH REF. PART Ref. Part DESCRIPTION No. No. Description 778125 Spur Rear (35 teeth) 772083A Case, Transmisson 778239A Spur Gear (32 teeth-steel) 780086A Needle Bearing Grease Spec 778124A Spur Gear (30 teeth) 780142... -
Page 48: Wire Harnesses
Section 8 WIRE HARNESSES CLUTCH ENGINE DECK WIRE HARNESS NEUTRAL INTERLOCK PART NO. 484302 DIODE (600V 6A) GROUND BLACK W/RED STRIPE BLACK BLACK BLUE BLUE MAGNETO INSTRUMENT RECTIFIER WHITE PANEL HARNESS WHITE YELLOW HANDLE WIRE HARNESS PART NO. 482711 MOWER ENGAGE SWITCH SWITCH... -
Page 49: Notes
Section 8 NOTES... -
Page 50: Replacement Decals And Information Plates
Section 8 REPLACEMENT DECALS AND INFORMATION PLATES WARNING DO NOT OPERATE WITHOUT DISCHARGE CHUTE, MULCHING kIT, OR ENTIRE GRASS CATCHER INSTALLED 483405 WARNING ROTATING BLADES AND BELTS SPINNING BLADES * keep hands, feet & clothing clear * keep all guards in place kEEP CLEAR * Shut off engine &... - Page 51 Section 8 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part No. Description 483405 Decal, Discharge Chute 48314 Decal, Scag Logo 483407 Decal, Danger-Spinning Blades 483406 Decal, Warning-Rotating Blades 483044 Decal, Patents 48332 Decal, Shift Index 483441 Decal, Instrument Panel - Rear 48404 Decal, Metalcraft - Made in USA 483404...
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Page 52: Limited Warranty - Commercial Equipment
Cutter decks are warranted against cracking for a period of three (3) years. (parts and labor 1st and 2nd year; parts only 3rd year.) The repair or replacement of the cutter deck will be at the option of Scag Power Equipment. We reserve the right to request compo- nents for evaluation. - Page 53 © 2011 Scag Power Equipment Division of Metalcraft of Mayville, Inc.