Scag Power Equipment SFZ48-18FS Operator's Manual

Scag Power Equipment SFZ48-18FS Operator's Manual

Freedom z
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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.
© 2013
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
Freedom Z
Models:
SFZ48-18FS
SFZ48-24BS
PART NO. 03359
PRINTED 9/2013
PRINTED IN USA

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Summary of Contents for Scag Power Equipment SFZ48-18FS

  • Page 1 Models: SFZ48-18FS SFZ48-24BS 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.
  • 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: SFz48-18FS with a serial number of J8100001 to J8199999 SFz48-24BS...
  • 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 ........................5...
  • Page 4 7.9 TIRES ................................35 7.10 BODY, DECk, AND UPHOLSTERY ......................35 SECTION 8 - ILLUSTRATED PARTS LIST ................36 8.1 SCAG APPROvED ATTACHMENTS AND ACCESSORIES..............36 NOTES ................................37 48" CUTTER DECk ............................38 CUTTER DECk CONTROLS - SFz48 ......................40 SHEET METAL COMPONENTS ........................42 SFz ROLL-OvER PROTECTION SYSTEM .....................44 DRIvE SYSTEM COMPONENTS - SFz48.......................46...
  • Page 5: General Information

    Attachments and accessories manufactured by companies industry. However, the prolonged life and maximum other than Scag Power Equipment are not approved for use efficiency of your mower depends on you following the on this machine. See Section 8, Paragraph 8-1.
  • 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

    Equipment, Service Department at P.O. Box 152, Mayville, The signal word “CAUTION” is a reminder of safety practices WI 53050 or contact us via the Internet at www.scag.com. on or near the machine that could result in personal injury The manual for this machine can be downloaded by using if proper precautions are not taken.
  • Page 8 Section 2 DO NOT allow children to ride or play on the Be sure the interlock switches are functioning machine, it is not a toy. correctly. Clear the area to be mowed of objects that could be Fuel is flammable; handle it with care. Fill the fuel picked up and thrown by the cutter blades.
  • Page 9: Operation Considerations

    Section 2 OPERATION CONSIDERATIONS WARNING Know the function of all controls and how to stop quickly. DO NOT use your hand to dislodge the clogged discharge chute. Use a stick or other device to WARNING remove clogged material after the engine has stopped running and the blades have stopped turning.
  • Page 10: Roll-Over Protection System

    Section 2 DANGER Any or all parts of the Roll-Over Protection System MUST NOT be removed. Failure to adhere to this guideline could result in injury or death. DO NOT run the engine inside a building or The potential exposure of the seat belt to severe a confined area without proper ventilation.
  • Page 11: Maintenance Considerations & Storage

    Section 2 WARNING Reduce speed when turning, operating on slopes, slick or wet surfaces. Allow extra distance to stop. Stay off of slopes too steep for safe operation. To check a slope, attempt to back up it (with the cutter deck down). If the machine can not back Figure 2-2.
  • Page 12: Using A Spark Arrestor

    If you need service on your hydraulic system, please see your authorized Scag dealer. Let the engine cool before storing. DO NOT store the machine near an open flame.
  • Page 13: Safety And Instructional Decals

    Section 2 SAFETY AND INSTRUCTIONAL DECALS 483405 483505 483402 481568 483633 483406 483425 Avoid injury from burns - Shut off engine 483660 - Allow to cool several minutes - Remove cap slowly - Do not overfill EPACentroRLP / Q-08-027A 484377 483300 Molded in Fuel Tank 483467...
  • Page 14: Specifications

    SPECIFICATIONS ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Model: Scag Model SFZ48-18FS ........................Kawasaki FS600V Scag Model SFZ48-24BS ....................Briggs & Stratton 44P777 Displacement: Kawasaki FS600V .............................. 603cc Briggs & Stratton ..............................724cc Type ......................4 Cycle Gasoline, Twin Cylinder, Vertical Shaft Cylinders .............................
  • Page 15: Cutter Deck

    Acres Per Day ................................18.6 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 a 20% allowance for overlap and turns.
  • Page 16: Operating Instructions

    Section 4 OPERATING INSTRUCTIONS Ignition Switch (Figure 4-1). The ignition switch CAUTION is used to start the engine and has three positions; OFF, ON, and START. Mower Deck Switch (Figure 4-1). Used to engage Do not attempt to operate this mower unless you and disengage the mower drive system.
  • Page 17: Safety Interlock System

    Section 4 Hourmeter (Figure 4-1). Deck Lift Foot Lever (Figure 4-1). Indicates the number of Used to raise hours the engine has been operated. It operates and lower the cutter deck. whenever the engine is running. Has preset Cutting Height Adjustment (Figure 4-1). Used to maintenance reminders for engine and hydraulic set the cutter deck at the desired cutting height.
  • Page 18: Starting The Engine

    Section 4 Check interlock system for proper operation. (See Start practicing with a slow engine speed and slow Section 4.2.) forward travel. Check tire pressure. Adjust pressure if necessary. Learn to feather the steering controls to obtain a (See Section 7.10.) smooth operating action.
  • Page 19: Engaging The Deck Drive (Cutter Blades)

    Section 4 REvERSE TRAvEL ENGAGING THE DECk DRIvE (CUTTER BLADES) CAUTION Set the throttle at about 3/4 speed. Do not attempt to engage the deck drive at high speed as this shortens the electric clutch life — use only moderate engine speed when engaging the deck drive.
  • Page 20: Hillside Operation

    Section 4 HILLSIDE OPERATION PARkING THE MOWER Park the machine on a flat, level surface only. Do not WARNING park the machine on an incline. Place the steering control levers in the neutral position. DO NOT operate on steep slopes. To check a slope, Disengage the cutter blades.
  • Page 21: Removing Clogged Material

    Section 4 4.10 REMOvING CLOGGED MATERIAL The discharge chute must not be removed and must be kept in the lowest position to deflect grass clippings and thrown objects downward. Direct the side discharge away from sidewalks or streets to DANGER minimize cleanup of clippings.
  • Page 22: Towing (Optional Hitch Accessory)

    Section 4 CUTTER DECK CUTTING HEIGHT RELEASE LEVER ADJUSTMENT DECK LIFT Figure 4-4. Adjusting Cutting Height Insert the pin into the cutting height index at the desired cutting height. Push forward on the deck lift foot lever, hold in place and lift up on the deck release lever.
  • Page 23: 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 24 Deck plugged, grass accumulation Clean underside of deck Too much blade angle (deck pitch) Adjust pitch and level Deck mounted improperly See your authorized SCAG dealer Bent spindle area See your authorized SCAG dealer Width of Deck Dull blade Sharpen blade...
  • Page 25 Blades not mounted evenly Adjust pitch and level OF CUTTING PATH Bent blade Replace blade Internal spindle failure See your authorized SCAG dealer Mounting of spindle incorrect See your authorized SCAG dealer Width of Deck SGB024 SLOPE CUT - SLOPING RIDGES...
  • Page 26: Adjustments

    If the following procedures do not allow you to engage the Figure 6-1. Brake Adjustment parking brake properly, contact your Scag dealer for further brake adjustments. Park the machine on a flat surface and block the caster wheels to prevent the machine from moving.
  • Page 27: Travel Adjustments

    Section 6 TRAvEL ADJUSTMENTS Run the engine at full operating speed and check if the machine creeps forward or backwards. Neutral or tracking adjustments will need to be made if: Adjust the RH wheel by loosening the jam nuts on the steering control rod and turning the adjustment nut until the drive wheel turns in the forward A.
  • Page 28: Throttle Control And Choke Adjustments

    Belt alignment is important for proper performance of wheel. To adjust this condition, proceed as follows: your Scag mower. If you experience frequent belt wear or breakage, see your authorized Scag service center for A. Stop the machine and place the steering control belt adjustment.
  • Page 29: Cutter Deck Adjustments

    Section 6 CUTTER DECk ADJUSTMENTS CUTTER DECk PITCH The pitch of the cutter deck should be equal between Cutter deck level, pitch and height are set at the factory. the front and rear of the cutter deck for proper cutting However, if these adjustments should ever need to be performance.
  • Page 30 Section 6 LOOSEN HERE LOOSEN HERE ADJUST HERE ADJUST HERE 2007 SFZ DLA 2007 SFZ RSDA Figure 6-6. Cutter Deck Pitch Adjustment - Note - To prevent the cutter deck from teetering, all four (4) cutter deck hanging chains must have tension on them.
  • Page 31: 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 32: Maintenance

    Section 7 MAINTENANCE MAINTENANCE CHART - RECOMMENDED SERvICE INTERvALS HOURS PROCEDURE COMMENTS BREAk-IN (FIRST 10) Check all hardware for tightness Check hydraulic oil level See paragraph 7.2 Check all belts for proper alignment See paragraph 7.7 Check engine oil level See paragraph 7.3 Check hydraulic hoses for leaks U s e ex t r e m e c a u t i o n w h e n...
  • Page 33: Hydraulic System

    Section 7 - IMPoRtANt - HYDRAULIC SYSTEM The hydraulic system oil should be changed if you notice the presence of water or a rancid odor to A. CHECkING HYDRAULIC OIL LEvEL the hydraulic oil. The hydraulic oil level should be checked after the first 10 Park the mower on a level surface and stop the hours of operation.
  • Page 34: Engine Oil

    Section 7 Remove the top port plug from both axles before filling with oil. See Figure 7-3. DUMP VALVE CONTROL LEVER "DRIVE" POSITION REMOVE TOP PORT PLUG "FREEWHEEL" POSITION 2007 SFZ DVL Figure 7-3. top Port Plug Location Figure 7-4. Dump Valve Control Lever Fill the hydraulic expansion reservoir with 20w50 While in the operator's position, start the engine and...
  • Page 35: Engine Fuel System

    Section 7 C. CHANGING ENGINE OIL FILTER ENGINE FUEL SYSTEM After the first 20 hours of operation, replace the engine oil DANGER filter. Thereafter, replace the oil filter after every 200 hours of operation or every month, whichever occurs first. Refer to Engine Operator’s Manual for instructions.
  • Page 36: Engine Air Cleaner

    Section 7 Use only an approved gasoline container. ENGINE OIL FILTER Never remove the gas cap or add fuel with the engine running. Allow the engine to completely cool before fueling. Never fuel the machine indoors or in an enclosed trailer.
  • Page 37: Battery

    Section 7 BATTERY A. CHARGING THE BATTERY Refer to the battery charger’s manual for specific WARNING instructions. Under normal conditions the engine’s alternator will have no problem keeping a charge on the battery. If the battery Lead-acid batteries produce flammable and has been completely discharged for a long period of time, explosive gases.
  • Page 38: Drive Belts

    - Note - If you experience frequent belt wear or breakage, B. BLADE SHARPENING see your authorized Scag service center for belt adjustment. - Note - If possible, use a file to sharpen the blade. Using WARNING a wheel grinder may burn the blade.
  • Page 39: Tires

    Repair damaged metal surfaces using Scag touch- up paint available from your authorized Scag dealer. Wax the mower for maximum paint protection. CUTTER BLADE LOCKWASHER FLATWASHER 5/8-11 x 1-1/2"...
  • Page 40: 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: • GC-SFZ (p/n 9074, requires p/n 9069 baffle kit) •...
  • Page 41: Notes

    Section 8 NOTES...
  • Page 42: 48" Cutter Deck

    Section 8 48" CUTTER DECk 2007 SFZ CD...
  • Page 43 Section 8 48" CUTTER DECk Part No. Description Part No. Description 483304 Debris Shield 424528 Belt Cover 483303 Bearing 04063-01 Key, 1/4 x 1/4 x 1-1/4" 43693 Spacer 04112-06 Nut, 3/4-16 Spiral Lock 483323 Pulley, 5.13" OD - 25mm Bore 462014 Spindle Housing Assembly (Incl.
  • Page 44: Cutter Deck Controls - Sfz48

    Section 8 CUTTER DECk CONTROLS - SFz48 14 26 18 23 2012 SFZ48&52 CDC...
  • Page 45 Section 8 CUTTER DECk CONTROLS - SFz48 Ref. No. Part No. Description 483341 Cable, Deck Lift 04003-31 Bolt, Carriage 3/8-16 x 3/4" 424476 Support, Idler Arm 43710 Spacer, Deck Lift Pivot 04001-90 Bolt, Hex Head 1/2-13 x 3-3/4" 04001-183 Bolt, Hex Head 1/2-13 x 1-3/4" 483453-03 Bearing 04040-07...
  • Page 46: Sheet Metal Components

    Section 8 SHEET METAL COMPONENTS TO RH REAR SEAT MOUNTING BOLT TO RH FAN COVER 2012 SFZ SMC...
  • Page 47 Section 8 SHEET METAL COMPONENTS Ref. Part No. Description Part No. Description 04003-12 Bolt, Carriage 5/16-18 x 3/4" 485142 Seat Assembly 04019-03 Nut, Serrated Flange 5/16-18 485162 Back Cushion 462310 Main Frame w/Decals 485163 Bottom Cushion 43703 Spacer, Bearing 483549 Arm Rest Kit 483379 Bearing...
  • Page 48: Sfz Roll-Over Protection System

    Section 8 SFz ROLL-OvER PROTECTION SYSTEM...
  • Page 49 Section 8 SFz ROLL-OvER PROTECTION SYSTEM Ref. No. Part No. Description 04001-184 Bolt, Hex Head 1/213 x 3-1/4" Gr. 8 04040-07 Flatwasher, 1/2 - .531 x 1.062 x .095 43743 Bushing, SFZ ROPS 04021-19 Nut, Center Lock 1/2-13 462021 ROPS, SFZ48, SFZ52...
  • Page 50: Drive System Components - Sfz48

    Section 8 DRIvE SYSTEM COMPONENTS - SFz48 14 34 45 46 36 34 TO RIGHT DRIVE PUMP 2008 SFZ DSC Rev.3...
  • Page 51 Section 8 DRIvE SYSTEM COMPONENTS - SFz48 Ref. Ref. Part No. Description Part No. Description 44162 Linkage, Dump Valve 485024 Engine, Briggs & Stratton Pro-Series 04001-04 Bolt, Hex Head 1/4-20 x 1-1/2" 485023 Engine, Kawasaki 18FS (FS600V) 462610 Electric Clutch Assembly 04061-01 Cotter Pin, 3/32 x 1"...
  • Page 52: Exhaust And Electrical System - Sfz48

    Section 8 EXHAUST AND ELECTRICAL SYSTEM - SFz48 SEAT SWITCH CLUTCH ENGINE MOUNT BOLT THROTTLE CHOKE 2011 SFZ ES...
  • Page 53 Bolt, Hex Head 1/4-20 x 1/2" Serr. Flange 04017-04 Battery Cover (incl. items 19 & 20) 461996 Pad, Battery Hold Down 483452 Rubber Pad 483508 Battery (not avail. through Scag) *483665 Muffler, Briggs & Stratton 483381 Muffler, Kawasaki FS 484036 Exhaust Gasket Lockwasher Bolt Flatwasher, 5/16-.375 x .875 x .083...
  • Page 54: Sfz48 Fuel System

    Section 8 SFz48 FUEL SYSTEM To Fuel Pump To Engine Purge Port Purge Tank 2011 SFZ EPA Phase 2...
  • Page 55 Section 8 SFz48 FUEL SYSTEM Ref. Part No. Description 462379 Fuel Tank Assembly, SFZ - Low Perm 483536 Grommet 484243 Fuel Gauge Assembly 482571 Bushing, .56 Dia. Viton 483555 Fuel Tube Assembly 484286 Fuel Cap, Tethered 484297 Fuel Cap w/Tethered - California Models Only (not shown) 48059-01 Clamp, Fuel Hose 1/4"...
  • Page 56: Zt-3100 Hydraulic Axle Assembly

    Section 8 zT-3100 HYDRAULIC AXLE ASSEMBLY 32 33 17 18...
  • Page 57 Section 8 zT-3100 HYDRAULIC AXLE ASSEMBLY Ref. Ref. Part No. Description Part No. Description HG50772 Seal, Lip 25 x 52 x 10 TC Gray HG72125 Kit, Fan & Pulley HG50859 Ring, Retaining 2.06 Internal HG51244 Nut, Hex Locking 1/2-20 HG71505 Hub Kit HG52137 Bolt, Hex Head 3/8-16 x 1-1/2"...
  • Page 58: Replacement Decals And Information Plates

    Section 8 REPLACEMENT DECALS AND INFORMATION PLATES COMMERCIAL GRADE MOWER DECK...
  • Page 59 Decal, Instrument Panel - SFZ48 & SFZ 52 483501 Decal, Front SFZ 483467 Decal, Cutting Height 483900 Decal, Warning Spark Arrestor (California only) 462155 Spanish Decal Kit - SFZ (not shown) 01411 DVD Video, Tips for Safe Operation of Your Scag Zero-Turn Mower (not shown)
  • Page 60: Electrical Schematic

    Section 8 ELECTRICAL SCHEMATIC SEAT SWITCH BRAKE INTERLOCK SWITCH R.H. NEUTRAL SWITCH GREEN BLACK W/RED STRIPE WHITE GREEN OPTIONAL BLACK LIGHT ACCESSORY BLACK HOURMETER BLACK RED W/YEL STRIPE GREEN L.H. NEUTRAL BLACK W/RED STRIPE SWITCH WHITE WHITE GREEN BLACK BLACK SWITCH RED W/YEL STRIPE RED W/YEL STRIPE...
  • Page 61: Limited Warranty - Sfz

    Scag’s responsibility is limited to making the required repairs and no claim of breach of warranty shall be cause for cancellation or rescission of the contract of sale of any Scag mower.

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