Scag Power Equipment FREEDOM Z SFZ-48H-24KT Operator's Manual
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Scag Power Equipment FREEDOM Z SFZ-48H-24KT Operator's Manual

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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.
© 2021
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
Models:
SFZ-48H-24KT
SFZ-52H-26KT
PART NO. 03484
PRINTED 9/2021
PRINTED IN USA

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Summary of Contents for Scag Power Equipment FREEDOM Z SFZ-48H-24KT

  • 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. © 2021 PART NO. 03484 Scag Power Equipment PRINTED 9/2021 Division of Metalcraft of Mayville, Inc. PRINTED IN USA...
  • Page 2 WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your mower. • DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down).

  • 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 TESTING THE SAFETY INTERLOCK SYSTEM ..................4...
  • Page 4 Table of Contents SECTION 5 - TROUBLESHOOTING CUTTING CONDITIONS ..........19 SECTION 6 - ADJUSTMENTS ....................22 6.1 PARKING BRAKE ADJUSTMENT ......................22 6.2 TRAVEL ADJUSTMENTS ..........................23 6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENTS ................24 6.4 BELT ADJUSTMENT ..........................24 6.5 BELT ALIGNMENT .............................24 6.6 CUTTER DECK ADJUSTMENTS ......................25 6.7 ELECTRIC CLUTCH ADJUSTMENT ......................27 SECTION 7 - MAINTENANCE ....................28 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS ............28...

  • Page 5: Section 1 - 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 1.4 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: Section 2 - Safety Information

    Section 2 SAFETY INFORMATION 2.1 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: Testing The Safety Interlock System

    If the safety interlock system fuel container. Use only approved containers. does not operate as described below, contact your local Authorized Scag Power Equipment Dealer immediately to 13. See Section 7.4 ENGINE FUEL SYSTEM for fueling have the safety interlock system repaired.

  • Page 9: Operation Considerations

    Section 2 2. Sit in the seat in the operating position, engage the 2. Reduce speed and exercise extreme caution on parking brake, move the PTO switch to the OFF slopes and in sharp turns to prevent tipping or loss (down) position, move either of the steering control of control.

  • Page 10: Roll-Over Protection System

    Section 2 12. Disengage power to cutter deck before crossing 22. Tie the mower down securely using straps, chains, roads, walks or gravel drives. cable, or ropes. Both front and rear straps must be 13. Mow only in daylight or good artificial light. directed down and outward from machine.
  • Page 11 Section 2 2. Check the seat belt webbing in areas exposed to WARNING ultra violet rays from the sun or extreme dust or dirt. If the original color of the webbing in these areas is extremely faded and/or is packed with dirt, Reduce speed when turning, operating on slopes, the physical strength of this webbing may have slick or wet surfaces.

  • Page 12: Maintenance Considerations & Storage

    Section 2 2.7 MAINTENANCE CONSIDERATIONS & WARNING STORAGE 1. Never make adjustments to the machine with the Hydraulic fluid is under high pressure and can engine running unless specifically instructed to do penetrate skin causing injury. If hydraulic fluid so. If the engine is running, keep hands, feet, and is injected into the skin, it must be surgically clothing away from moving parts.

  • Page 13: Safety And Instructional Decals

    Section 2 2.10 SAFETY AND INSTRUCTIONAL DECALS 483405 483505 483402 481568 483633 483406 483425 483632 Avoid injury from burns - Shut off engine 483632 - Allow to cool several minutes - Remove cap slowly - Do not overfill 483300 Molded in Fuel Tank 485412 2019 SFZ Safety Decals...

  • Page 14: Section 3 - Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Model: Scag Model SFZ-48H-24KT ........................Kohler KT735 Scag Model SFZ-52H-26KT ........................Kohler KT745 Displacement: Kohler KT735 / KT745 ............................725cc Type ......................4 Cycle Gasoline, Twin Cylinder, Vertical Shaft Cylinders ............................. 2 with Cast Iron Sleeves Governor ................Mechanical Type with Variable Speed Control Set At 3600 RPM Idle Speed: Kohler ................................

  • Page 15: Cutter Deck

    Section 3 3.4 CUTTER DECK Type ......Floating, Adjustable, Anti-Scalping, Hybrid Design Combines Out-Front and Belly-Mount Designs Construction ................10-Gauge top with 11-Gauge reinforcement throughout the spindle area, 7-Gauge skirt for strength and longevity True Cutting Width: 48H ................................48" (122.0 cm) 52H ................................52"...

  • Page 16: Section 4 - Operating Instructions

    Section 4 OPERATING INSTRUCTIONS 1. Ignition Switch (Figure 4-1). The ignition switch CAUTION is used to start the engine and has three positions; OFF, ON, and START. 2. 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

    The safety interlock system should be tested each time before using the machine. If the safety interlock system does not operate as described below, contact your local Authorized Scag Power Equipment Dealer immediately to have the safety interlock system repaired. 2014 SFZ-P DVL 1.

  • Page 18: Initial Run-In Procedures

    Section 4 4.5 STARTING THE ENGINE 2. Sit in the seat in the operating position, engage the parking brake, move the PTO switch to the OFF (down) position, move either of the steering control handles out of the neutral lock position. Try to start CAUTION the engine;...

  • Page 19: Ground Travel And Steering

    Section 4 4.6 GROUND TRAVEL AND STEERING - IMPORTANT - Do not travel forward over a curb. The mower will hang up on the curb. Raise the deck and travel - IMPORTANT - backwards over the curb at a 45 degree angle. If you are not familiar with the operation of a (See Figure 4-1 and Section 4-1 item 11 for cutter machine with lever steering and/or hydrostatic...

  • Page 20: Engaging The Deck Drive (Cutter Blades)

    Section 4 4.7 ENGAGING THE DECK DRIVE (CUTTER 4.8 HILLSIDE OPERATION BLADES) WARNING 1. 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 21: Parking The Mower

    Section 4 4.9 PARKING THE MOWER 4.11 REMOVING CLOGGED MATERIAL 1. Park the machine on a flat, level surface only. Do not park the machine on an incline. DANGER 2. Place the steering control levers in the neutral position. ROTATING BLADES 3.

  • Page 22: Adjusting Cutting Height

    Section 4 2. The discharge chute must not be removed and CUTTER DECK CUTTING HEIGHT must be kept in the lowest position to deflect grass RELEASE LEVER ADJUSTMENT clippings and thrown objects downward. Direct the side discharge away from sidewalks or streets to minimize cleanup of clippings.

  • Page 23: Section 5 - 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 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 25 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...

  • Page 26: Section 6 - Adjustments

    Section 6 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT WARNING Do not operate the mower if the parking brake RELEASE BRAKE is not operable. Possible severe injury could HANDLE result. The parking brake linkage should be adjusted whenever the parking brake lever is placed in the “ENGAGE” position and the parking brake will not prevent the mower from moving.

  • Page 27: Travel Adjustments

    Section 6 6.2 TRAVEL ADJUSTMENTS 3. 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: 4. Tilt the seat forward and adjust the RH wheel by loosening the upper control linkage mounting bolt.

  • Page 28: Throttle Control And Choke Adjustments

    These adjustments must be performed by your Authorized before beginning work. Scag Power Equipment Dealer to ensure proper and efficient running of the engine. Should either need adjustment, contact your authorized Scag service center.

  • Page 29: Cutter Deck Adjustments

    Section 6 6.6 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 6.7 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: Section 7 - Maintenance

    Section 7 MAINTENANCE 7.1 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 4. Remove the hydraulic filters from both axles and 7.2 HYDRAULIC SYSTEM allow the fluid to drain into the container. Properly discard the oil when the system has drained completely. See Figure 7-1. A. CHANGING HYDRAULIC OIL 5. Once the hydraulic system has drained, install new The hydraulic system oil and filter should be changed after hydraulic oil filters to both axles by hand, turn 3/4 the first 75-100 hours of machine operation and every 400...

  • Page 34: Engine Oil

    Section 7 12. While in the operator's position, start the engine and FILL PORT PLUG disengage the parking brake. 13. Run the engine at 1/2 throttle and move the steering control levers to full forward and reverse 5 to 6 times. 14.

  • Page 35: Engine Fuel System

    Section 7 ENGINE OIL FILL DANGER & DIPSTICK To avoid injury from burns, allow the mower to cool before removing the fuel tank cap and refueling. A. FILLING THE FUEL TANK Fill to the bottom of the filler neck insert (approximately 6-1/2 gallons on SPZ52/61 indicating Full (F) on the fuel gauge) at the beginning of each operating day.

  • Page 36: Engine Air Cleaner

    Section 7 engine running. Allow the engine to completely cool before fueling. ENGINE FUEL 3. Never fuel the machine indoors or in an enclosed FILTER trailer. 4. Never store the machine or fuel container where there is an open flame, spark or pilot light such as on a water heater or other appliances.

  • Page 37: Battery

    Section 7 7.6 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

    Section 7 7.7 DRIVE BELTS 5. If a blade cutting edge is dull or nicked, it should be sharpened. Remove the blades for sharpening. See "Blade Replacement." All drive belts are spring-loaded and self-tensioning, however after the first 2, 4, 8 and 10 hours of operation, - NOTE - the belts should be checked for proper alignment and wear.

  • Page 39: Tires

    Section 7 C. BLADE REPLACEMENT - NOTE - Be sure that the blade is installed with the lift wing toward the top. WARNING 5. Install the cutter blade onto the cutter spindle shaft. Secure the blades from rotating and torque to 75 ft/ lbs.

  • Page 40: Section 8 - Illustrated Parts List

    Section 8 ILLUSTRATED PARTS LIST 8.1 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 901K, requires p/n 9069 (48") or 9070 (52") baffle kit) •...

  • Page 41: Notes

    Section 8 NOTES...

  • Page 42: 52H Cutter Decks

    Section 8 48H & 52H CUTTER DECKS 2007 SFZ CD...
  • Page 43 Section 8 48H & 52H CUTTER DECKS Part No. Description 48 52 Part No. Description 48 52 04043-06 Flatwasher, 5/8-.688 x 1.75 x 424528 Belt Cover .134 HD 04063-01 Key, 1/4 x 1/4 x 1-1/4" 04030-07 Lockwasher, 1/2 Spring 04112-06 Nut, 3/4-16 Spiral Lock 04001-121 Bolt, Hex Head 5/8-11 x 1-1/2"...

  • Page 44: Cutter Deck Controls - Sfz48H / 52H

    Section 8 CUTTER DECK CONTROLS - SFZ48H / 52H 18 23...
  • Page 45 Section 8 CUTTER DECK CONTROLS - SFZ48H / 52H 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" 04001-72 Bolt, Hex Head 1/2-13 x 2"...

  • Page 46: Sheet Metal Components

    Section 8 SHEET METAL COMPONENTS 2019 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" 486713 Seat Assembly 04001-08 Bolt, Hex Head 5/16-18 x 3/4" 486773 Back Cushion 463434 Main Frame w/Decals 486774 Cover, Bottom Cushion 43703 Spacer, Bearing 486776 Arm Rest Kit...

  • 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 04117-04 Nut, Flanged Elastic Stop, 1/2-13 463113 ROPS, SFZ48H, SFZ52H...

  • Page 50: Drive System Components - Sfz48H / 52H

    Section 8 DRIVE SYSTEM COMPONENTS - SFZ48H / 52H 45 46 2019 SFZ DSC...
  • Page 51 Section 8 DRIVE SYSTEM COMPONENTS - SFZ48H / 52H Ref. Ref. Part No. Description Part No. Description 43719 Spacer, Linkage **485972 Engine, Kohler 24KT - 1" Cranksshaft 04001-04 Bolt, Hex Head 1/4-20 x 1-1/2" **486903 Engine, Kohler 26KT - 1" Crankshaft ***486021 Engine, Kohler 26KT - 1.125"...

  • Page 52: Exhaust And Electrical System - Sfz48H / 52H

    Section 8 EXHAUST AND ELECTRICAL SYSTEM - SFZ48H / 52H SEAT SWITCH CLUTCH ENGINE MOUNT BOLT THROTTLE CHOKE 2021 SFZ ES...
  • Page 53 *483665 Muffler, Kohler KT 485336 Exhaust Gasket Lockwasher 04040-15 Bolt 04001-32 Flatwasher, 5/16-.375 x .875 x .083 04030-04 Bolt, Hex Head 3/8-16 x 1-1/4" 04011-07 * Not available through Scag Power Equipment. Purchase locally. ** Available through individual engine manufacturer.

  • Page 54: Fuel System - Sfz48H / 52H

    Section 8 FUEL SYSTEM - SFZ48H / 52H To Fuel Pump To Engine Purge Port Purge Tank 2021 SFZ FS...
  • Page 55 Section 8 FUEL SYSTEM - SFZ48H / 52H Ref. Part No. Description 463382 Fuel Tank Assembly 484279-01 Tube, Fuel Tank Insert 484343-01 Mender, 1/4 x 3/16 w/0.02 Hole 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...

  • Page 56: Freedom Transaxle

    Section 8 FREEDOM TRANSAXLE 11 59...
  • Page 57 Section 8 FREEDOM TRANSAXLE Ref. Ref. Part No. Description Part No. Description HG72274 Kit, Charge HG53246 Screw, Hex Washer HG72291 Kit, Gerotor Seal HG54730 Plug, External Hex Vent 9/16-18 HG71854 Kit, Filter Guard (LH) HG73096 Kit, Side Cover LH HG73041 Kit, Filter Guard (RH) HG73095 Kit, Side Cover RH...

  • Page 58: Replacement Decals And Information Plates

    Section 8 REPLACEMENT DECALS AND INFORMATION PLATES MOWER DECK 2019 SFZ RDP1...
  • Page 59 Section 8 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part No. Description 483402 Decal, Belt Cover 483405 Decal, Warning 486304 Decal, ROPS 483505 Decal, Spinning Blades 481568 Decal, Traction Control 483633 Decal, Seat Replacement 486794 Decal, 48H Commercial 486795 Decal, 52H Commercial 483406 Decal, Knives 486846...

  • Page 60: Electrical Schematic

    Section 8 ELECTRICAL SCHEMATIC BRAKE INTERLOCK SWITCH SEAT SWITCH YELLOW 20 AMP FUSE RH NEUTRAL YELLOW SWITCH 20 AMP FUSE GREEN WHITE BLACK LIGHT KIT (optional) BLACK HOURMETER LH NEUTRAL SWITCH GREEN BLACK W/RED STRIPE WHITE GREEN Position Key Switch Legend G + M + A B + L + A START...

  • Page 61: Limited Warranty - Sfz

    500 hours (whichever comes first) (First and second year of the warranty covers parts and labor. The third year covers parts or labor to repair) for non-commercial use. The repair or replacement of the cutter deck will be at the option of Scag Power Equipment. We reserve the right to request components for evaluation.
  • Page 62 © 2021 Scag Power Equipment Division of Metalcraft of Mayville, Inc.

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