Scag Power Equipment SCZII-72RD-40BV-EFI Operator's Manual
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Scag Power Equipment SCZII-72RD-40BV-EFI 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.
© 2024
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
Models:
SCZII-61V-31FX
SCZII-61V-36BV
SCZII-61V-37BV-EFI
SCZII-61V-38FX-EFI
SCZII-61V-38CV-EFI
SCZII-61V-40BV-EFI
SCZII-61RD-38FX-EFI
SCZII-61RD-38CV-EFI
SCZII-72V-37BV-EFI
SCZII-72V-38FX-EFI
SCZII-72V-38CV-EFI
SCZII-72V-40BV-EFI
SCZII-72RD-40BV-EFI
PART NO. 03550
PRINTED 4/2024
PRINTED IN USA

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Summary of Contents for Scag Power Equipment SCZII-72RD-40BV-EFI

  • 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. © 2024 PART NO. 03550 Scag Power Equipment PRINTED 4/2024 Division of Metalcraft of Mayville, Inc. PRINTED IN USA...
  • Page 2 X6200001 to X6299999 SCZII-72V-40BV-EFI with a serial number of X6300001 to X6399999 SCZII-72RD-40BV-EFI with a serial number of Y1300001 to Y1399999 Always use the entire serial number listed on the serial number tag when referring to this product.

  • 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 ..............................1 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................4 2.4 TESTING THE SAFETY INTERLOCK SYSTEM ..................5...
  • Page 4 Table of Contents 4.15 ADJUSTING CUTTING HEIGHT ......................24 4.16 ADJUSTING THE HEIGHT ADJUST PEDAL..................24 4.17 ADJUSTING THE STEERING LEVERS ....................25 4.18 SETTING THE SPEED CONTROL ......................25 4.19 ADJUSTING THE OPERATOR SUSPENSION PLATFORM .............. 26 4.20 TOWING (OPTIONAL HITCH ACCESSORY) ..................26 SECTION 5 - TROUBLESHOOTING CUTTING CONDITIONS ..........27 SECTION 6 - ADJUSTMENTS ....................30 6.1 PARKING BRAKE ADJUSTMENT ......................30...
  • Page 5 Table of Contents SCZII DRIVE SYSTEM COMPONENTS .......................66 SCZII SPEED CONTROL COMPONENTS ....................68 SCZII BRAKE COMPONENTS ........................70 SCZII HYDRAULIC SYSTEM ........................72 SCZII FUEL SYSTEM .............................74 SCZII ENGINE & ATTACHING PARTS ......................76 ZT-5400 TRANSAXLE ASSEMBLY .......................78 SCZII ELECTRICAL SYSTEM ........................80 SCZII EFI ELECTRICAL SYSTEM ........................82 REPLACEMENT DECALS AND INFORMATION PLATES ................84 SCZII ELECTRICAL SCHEMATIC ........................86 SCZII BV-EFI / CV-EFI ELECTRICAL SCHEMATIC..................87...
  • Page 6 Table of Contents...

  • Page 7: Section 1 - General Information

    All information is based upon product information available by other than the manufacturer's authorized at the time of approval for printing. Scag Power Equipment replacement part may adversely affect the reserves the right to make changes at any time without performance, durability or safety of this product.
  • Page 8 Section 1 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 9: Section 2 - Safety Information

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION 2.2 SIGNAL WORDS Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. Hazard control and accident prevention are dependent upon the awareness, concern, prudence, and proper training of the personnel involved in the operation, transport, maintenance and storage of the equipment.

  • Page 10: Before Operation Considerations

    Section 2 2.3 BEFORE OPERATION 10. Keep the machine and attachments in good operating condition. Keep all shields and safety CONSIDERATIONS devices in place. If a shield, safety device or decal is defective or damaged, repair or replace it before operating the machine.

  • Page 11: Testing The Safety Interlock System

    (with the cutter deck does not operate as described below, contact your local down). If the machine can back up the slope Authorized Scag Power Equipment Dealer immediately to without the wheels slipping, reduce speed and use have the safety interlock system repaired.
  • Page 12 Section 2 6. When using any attachment, never direct the CAUTION discharge of material toward bystanders or allow anyone near the machine while in operation. 7. Before attempting to start the engine, with the operator in the seat, disengage power to the cutter Do not touch the engine or the muffler while the deck, place the steering control levers in the neutral engine is running or immediately after stopping.

  • Page 13: Roll-Over Protective Structure

    Section 2 2.6 ROLL-OVER PROTECTIVE This mower has been designed for good traction and stability under normal mowing conditions. However, caution STRUCTURE must be used when traveling on slopes, especially when the grass is wet. Do not mow on wet grass. Wet grass reduces traction and steering control.
  • Page 14 Section 2 1. To lower the roll bar, remove the hairpin cotter pins The potential exposure of the seat belt to severe and remove the two (2) lock pins. See Figure 2-2. environmental conditions makes it crucial to inspect the seat belt system regularly.

  • Page 15: Maintenance Considerations And Storage

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

  • Page 16: Safety And Instructional Decals

    Section 2 2.10 SAFETY AND INSTRUCTIONAL DECALS FORWARD REVERSE 482100 483407 483407 483406 483425 Avoid injury from burns - Shut off engine - Allow to cool several minutes - Remove cap slowly - Do not overfill 483300 Molded in Fuel Tank WARNING 483443 INSTALL BELT COVER BEFORE...
  • Page 17 Section 2 Figure 2-4. Slope Angle Graph...

  • Page 18: Section 3 - Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Engine Model: Scag Model SCZII-61V-31FX, SCZII-61RD-31FX ................Kawasaki FX921V Scag Model SCZII-61V-38FX-EFI, SCZII-61RD-38FX-EFI, SCZII-72V-38FX-EFI ......Kawasaki FX1000V Scag Model SCZII-61V-37BV-EFI, SCZII-72V-37BV-EFI ............Briggs & Stratton #61A7 Scag ModelSCZII-61V-40BV-EFI, SCZII-72V-40BV-EFI ............Briggs & Stratton #61G8 Scag Model SCZII-61V-38CV-EFI, SCZII-61RD-38CV-EFI, SCZII-72V-38CV-EFI ..

  • Page 19: Power Head

    Section 3 3.3 POWER HEAD Drive System ............Hydraulic Drive with Two Hydro-Gear™ Integrated Zero-Turn Axles Scag Model (SCZII) ......................... Hydro-Gear™ ZT-5400 Steering/Travel Control ...................Twin Lever Fingertip Steering Control with Individual Control to Each Wheel with Gas Spring Dampers Parking Brake ............Foot Pedal Actuated Linkage to Brakes on Both Drive Wheel Axles Wheels: (2) Front Caster - (61"...

  • Page 20: Weights And Dimensions

    Section 3 3.6 WEIGHTS AND DIMENSIONS 61RD Length....................85.5" ......85.5........91" Tracking Width .................55.25" ..... 55.25" ......55.25" Overall Width w/chute down .............73.5" ....... 63.5" ........83" Overall Width w/chute up..............62.75" ....... N/A .......73.25" Overall Height w/ROPS up ..............67" ......67" ........67" Overall Height w/ROPS down ............49.5" ....... 49.5" ........49.5" Operating Weight ..........
  • Page 21 Section 3 NOTES...

  • Page 22: Section 4 - Operating Instructions

    Automatically resets. will be prevented from starting. If additional information or service is needed, contact your Scag Power Equipment 9. Neutral Indicator (Figure 4-1). Light will illuminate Dealer. when the steering control levers are in the neutral lock position.
  • Page 23 Section 4 SERVICE AIR OIL PRESSURE FILTER INDICATOR INDICATOR WATER TEMPERATURE GLOW PLUG SERVICE ENGINE INDICATOR INDICATOR INDICATOR PARKING BRAKE VOLTMETER INDICATOR INDICATOR SEAT INDICATOR NEUTRAL INDICATOR INDICATOR HOUR METER INDICATOR Figure 4-1. Tiger Eye Advanced Monitoring System...

  • Page 24: Controls Identification

    Section 4 4.2 CONTROLS IDENTIFICATION 1. Ignition Switch (Figure 4-3). The ignition switch is used to start the engine and has three positions; OFF, ON, and START. 2. Mower Deck Switch (Figure 4-3). Used to engage and disengage the mower drive system. Pulling up on the switch will engage the deck drive.

  • Page 25: Safety Interlock System

    The interlock system shuts off the engine if Authorized Scag Power Equipment Dealer immediately to the operator leaves the seat with the steering control levers have the safety interlock system repaired.

  • Page 26: Initial Run-In Procedures

    Section 4 4. Sit in the seat in the operating position, engage the 1. Be sure the fuel shutoff valve, located behind the parking brake, place the steering control levers in operator's seat, is fully open. (See Figure 4.2.) the neutral lock position, move the PTO switch to the 2.
  • Page 27 Section 4 FORWARD TRAVEL CAUTION To travel forward with the mower, disengage the parking brake, pull levers inward out of the neutral lock position Before backing up, observe the rear for persons and slowly push the steering control levers forward an and obstructions.

  • Page 28: Engaging The Deck Drive (Cutter Blades)

    Section 4 4.8 ENGAGING THE DECK DRIVE 4.9 HILLSIDE OPERATION (CUTTER 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 DO NOT operate on steep slopes.

  • Page 29: After Operation

    Section 4 5. Engage the parking brake. 4.13 MOVING MOWER WITH ENGINE STOPPED 6. Turn the ignition key to the OFF position and remove the key. To “free-wheel” or move the mower around without the 4.11 AFTER OPERATION engine running, rotate the dump valves counter-clockwise. See Figure 4-5.

  • Page 30: Adjusting Cutting Height

    Section 4 5. For best overall cut performance, it is recommended 3. Insert the lanyard pin into the cutting height index to set the speed control lever in LOW while mowing. at the desired cutting height. Push forward on the (See Section 4.18.) deck lift foot lever, hold in place and pull back on the deck release lever.

  • Page 31: Adjusting The Steering Levers

    Section 4 4.17 ADJUSTING THE STEERING LEVERS 4.18 SETTING THE SPEED CONTROL 1. Position the seat to the desired location. The speed control lever can be set in either LOW or HIGH range. Moving the speed control lever between LOW and 2.

  • Page 32: Adjusting The Operator Suspension Platform

    Section 4 4.19 ADJUSTING THE OPERATOR SUSPENSION PLATFORM The operator suspension platform can be adjusted to optimize operator comfort and ride. Adjust the suspension rate by moving the suspension control lever down to increase (stiffen) or up to decrease (soften) the suspension shock rate.

  • Page 33: Section 5 - Troubleshooting Cutting Conditions

    Section 5 TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION 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 34 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 35 Section 5 TROUBLESHOOTING CUTTING CONDITIONS (CONT'D) CONDITION CAUSE CURE SCALPING - BLADES HITTING Low tire pressures Check and adjust pressures D I R T O R C U T T I N G V E RY CLOSE TO THE GROUND Ground speed too fast Slow speed to adjust for conditions May need to reduce ground speed, raise...

  • Page 36: Section 6 - Adjustments

    Section 6 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT 6.2 TRAVEL ADJUSTMENTS Neutral or tracking adjustments will need to be made if: WARNING A. The steering control levers are in the neutral position and the machine creeps forward or backward (Neutral Adjustment). Do not operate the mower if the parking brake is not operable.

  • Page 37: Low / High Speed Adjustment

    Before proceeding with this adjustment, be sure procedures do not allow you to change speeds properly, that the caster wheels turn plus pivot freely and contact your authorized Scag Power Equipment dealer for that the tire pressure in the drive wheels is correct. further adjustments.

  • Page 38: Throttle Control And Choke Adjustments

    These adjustments must be performed by your authorized properly inflated and the cutter deck is set at the most Scag Power Equipment dealer to ensure proper and efficient common cutting height that you will use. On the RH side running of the engine. Should either need adjustment, of the machine, check the distance from the top of the contact your authorized Scag Power Equipment dealer.
  • Page 39 Section 6 CUTTER DECK PITCH - NOTE - To prevent the cutter deck from teetering, all four (4) The pitch of the cutter deck should be equal between cutter deck hanging chains must have tension on them. the front and rear of the cutter deck for proper cutting If all four chains do not have tension on them and the performance.

  • Page 40: Custom-Cut Baffle Adjustment (Excludes Rear Discharge)

    Section 6 6.8 CUSTOM-CUT BAFFLE ADJUSTMENT To adjust the Custom-Cut Baffle height: (EXCLUDES REAR DISCHARGE) 1. Place the cutter deck in the transport position. 2. Remove the hardware securing the Custom-Cut The Custom-Cut Baffle is designed to deliver optimum Baffle to the cutter deck. airflow and superior cutting performance in any type of grass.

  • Page 41: Adjusting The Steering Dampners

    Section 6 6.9 ADJUSTING THE STEERING INSPECTION WINDOW (x3) DAMPNERS The steering dampner adjustment can be made to increase or decrease the dampening affect for smooth, precise steering control. There are three locations on the steering control levers that allow the operator to adjust the dampening affect of the steering control based on cutting conditions.

  • Page 42: Section 7 - Maintenance

    Section 7 MAINTENANCE 7.11 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS HOURS PROCEDURE COMMENTS BREAK-IN 100 200 500 (FIRST 10) Check all hardware for tightness Check hydraulic oil level See paragraph 7.3 Check all belts for proper alignment See paragraph 7.8 Change engine oil and filter See paragraph 7.4 Check hydraulic fittings and hoses...

  • Page 43: Lubrication

    Section 7 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS PROCEDURE COMMENTS BREAK-IN (FIRST 10) Apply grease to fittings See paragraph 7.2 Check hardware for tightness Change engine oil filter See paragraph 7.4 Check hydraulic oil level See paragraph 7.3 Replace engine fuel filter See paragraph 7.5 Drain hydraulic system and...
  • Page 44 Section 7 GREASE FITTING LUBRICATION Lubricant Interval Spindle Grease (40 Hours/Weekly) Chassis Grease (100 Hours/Bi-monthly) Chassis Grease (200 Hours/Monthly) Chassis Grease (500 Hours/Yearly) Figure 7-1. Lubrication Fitting Points...

  • Page 45: Hydraulic System

    Section 7 7.13 HYDRAULIC SYSTEM 1. Park the mower on a level surface and stop the engine. A. CHECKING HYDRAULIC OIL LEVEL 2. Position a floor jack under the rear of the machine. Raise the machine and support it to prevent it from falling.

  • Page 46: Engine Oil

    Section 7 7.14 ENGINE OIL 6. Re-install the drain plug and remove the hydraulic filter assembly from the LH hydraulic axle. 7. Install new hydraulic filters in the RH and LH hydraulic axles. 8. Remove the purge port plug next to the inlet fitting ENGINE OIL FILL on both axles.

  • Page 47: Engine Fuel System

    Section 7 7.15 ENGINE FUEL SYSTEM 6. Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle DANGER before filling. 7. Remove the machine from the truck or trailer and fuel on the ground.

  • Page 48: Engine Air Cleaner

    Section 7 7.16 ENGINE AIR CLEANER 7.17 BATTERY A. CLEANING AND/OR REPLACING AIR WARNING CLEANER ELEMENT For any air cleaner, the operating environment dictates Lead-acid batteries produce flammable and the air cleaner service periods. Inspect and clean the air explosive gases. To avoid personal injury when cleaner element after every 100 hours of operation or checking, testing or charging batteries, DO NOT bi-weekly, whichever occurs first and replace the element...

  • Page 49: Drive Belts

    Section 7 A. CHARGING THE BATTERY - NOTE - If you experience frequent belt wear or breakage, Refer to the battery charger’s manual for specific see your authorized Scag service center for belt instructions. adjustment. Under normal conditions the engine’s alternator will have WARNING no problem keeping a charge on the battery.
  • Page 50 Section 7 C. BLADE REPLACEMENT - NOTE - Keep the blades sharp. Cutting with dull blades not only yields a poor mowing job, but slows the WARNING cutting speed of the mower and causes extra wear on the engine and the blade drive by pulling hard. Always wear proper hand and eye protection B.

  • Page 51: Tires

    Section 7 7.21 BODY, DECK, AND UPHOLSTERY HEX NUT-TORQUE TO 75 LB-FT CAUTION Do not wash any portion of the equipment while it SPINDLE is hot. Do not wash the engine; use compressed SHAFT CUTTER air. DECK 1. After each use, wash the mower and cutter deck. Use cold water and automotive cleaners.

  • Page 52: 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: Accessories Accessories Grass Collection Systems...
  • Page 53 Section 8 NOTES...

  • Page 54: 72V Cutter Decks

    Section 8 61V & 72V CUTTER DECKS 7 14 72V Only 35 33...
  • Page 55 Section 8 61V & 72V CUTTER DECKS Ref. Ref. Part No. Description Part No. Description 48114-04 Grease Fitting 463194 Belt Cover, LH (INCL 85) 48677 Relief Fitting, Spindle 463195 Belt Cover, RH (INCL 85) 43644 Spindle Housing 462409 Belt Cover, 72V 43312 Spacer, Outside 481625-01...

  • Page 56: 61Rd Cutter Deck

    Section 8 61RD &72 RD CUTTER DECK 7 14...
  • Page 57 Section 8 61RD & 72RD CUTTER DECK Ref. Ref. Part No. Description Part No. Description 461663 Spindle Assembly 463194 Belt Cover, LH 61V 43589 Shaft, Spindle 463195 Belt Cover, RH 61V 462409 Belt Cover, 72RD 481024 Seal, Top 481022 Bearing Assembly 481625-01 Knob w/Stud 48114-04...

  • Page 58: Cutter Deck Controls

    Section 8 CUTTER DECK CONTROLS...
  • Page 59 Section 8 CUTTER DECK CONTROLS Ref. Part No. Description 481477 Grip, Deck Latch 462253 Deck Latch Assembly w/Grip 43668 Spacer, Deck Latch 484191 Spring, Torsion Return Lever 483345 Ring Pin Assembly w/Lanyard 04059-01 Pin, Locking 463235-G Adjustment Bracket, Upper Cut Height (Scag Gold) 463235-B Adjustment Bracket, Upper Cut Height (Black) 452408...

  • Page 60: Sheet Metal Components

    Section 8 SHEET METAL COMPONENTS...
  • Page 61 Section 8 SHEET METAL COMPONENTS Ref. Part No. Description 427178 Rops Mounting RH 428312 Hood, SCZII 04001-21 Bolt, 3/8-16 x 1-3/4” 04041-07 Flat Washer, 3/8 - .391 x .938 x .105 43740 Spacer, Hood 483471 Disc, Anti Friction 04041-11 Flat Washer, 3/8 - .406 x 1.5 x 7 Ga 04021-09 Nut, Lock Elastic Stop, 3/8-16 04117-04...

  • Page 62: Sczii Roll-Over Protection Structure

    Section 8 SCZII ROLL-OVER PROTECTION STRUCTURE...
  • Page 63 Section 8 SCZII ROLL-OVER PROTECTION STRUCTURE Ref. Part No. Description 462246 ROPS, Foldable SCZII 484168 Pin Assembly (incl. #3, #4) 484170 Spring, ROPS 484169 Clip, ROPS 04001-90 Bolt, Hex Head 1/2-13 x 3-1/4” 04021-07 Nut, Elastic Stop 1/2-13 484167 Spring Clip, ROPS 04117-04 Nut, Lock Flange Elastic Stop, 1/2-13 427178...

  • Page 64: Sczii Seat Assembly

    Section 8 SCZII SEAT ASSEMBLY...
  • Page 65 Section 8 SCZII SEAT ASSEMBLY Ref. Part No. Description 487076 Seat Assembly - SCZII 487272 Armrest Kit, LH 487274 Seat Belt Kit 481638 Switch, N/O 487275 Track Kit 487273 Armrest Kit, RH...

  • Page 66: Sczii Suspension Seat Assembly

    Section 8 SCZII SUSPENSION SEAT ASSEMBLY...
  • Page 67 Section 8 SCZII SUSPENSION SEAT ASSEMBLY Ref. Part No. Description 486591 Suspension Seat Assembly w/seat belt 484709 Armrest Kit, LH 484717 Seat Belt Kit 485652 Recliner Knob Kit 484710 Armrest Kit, RH 486596 Cover, Back Cushion 481638 Seat Switch 485594 Track Kit, (Includes Handle Kit p/n 485717) 484714 Suspension Knob Kit...

  • Page 68: Sczii Suspension System

    Section 8 SCZII SUSPENSION SYSTEM 8 41 40 20...
  • Page 69 Section 8 SCZII SUSPENSION SYSTEM Ref. Ref. Part No. Description Part No. Description 04041-38 Flatwasher, 3/8-.406 x 2.25 x .188 486591 Seat Assembly, Suspension 04001-19 Bolt, Hex Head 3/8-16 x 1” 487076 Seat Assembly 463231 Suspension Pivot Assembly, Front 483559 Cable, Seat Stop 463239 Bracket, Suspension Adjustment w/Decal...

  • Page 70: Sczii Steering Components

    Section 8 SCZII STEERING COMPONENTS...
  • Page 71 Section 8 SCZII STEERING COMPONENTS Ref. Part No. Description 484376 Grip, Control Lever 462805 Handlebar w/ Grip RH 462804 Handlebar w/ Grip LH 04001-09 Bolt, 5/16-18 x 1” 04030-03 Lock Washer, 5/16 483269 Knob, Control Handle 483238 Pivot, Control Lever 483250 Spacer, Rubber 04003-12...

  • Page 72: Sczii Drive System Components

    Section 8 SCZII DRIVE SYSTEM COMPONENTS...
  • Page 73 Section 8 SCZII DRIVE SYSTEM COMPONENTS Ref. Part No. Description 04003-21 Bolt, Carriage 3/8-16 x 2-1/2” 04001-54 Bolt, Hex Head 3/8-16 x 3” 04001-19 Bolt, Hex Head 3/8-16 x 1” 04019-04 Nut, Serrated Flange 3/8-16 425385 Mounting Bracket, Spring - Idler Arm 04001-136 Bolt, Hex Head 3/8-16 x 1-1/2”...

  • Page 74: Sczii Speed Control Components

    Section 8 SCZII SPEED CONTROL COMPONENTS 22 23...
  • Page 75 Section 8 SCZII SPEED CONTROL COMPONENTS Ref. Part No. Description 484093 Knob, Soft Touch 04020-12 Nut, Jam 3/8-16 UNC 453097 Lever Weldment, Speed Control SCZII 04009-11 Bolt, Shoulder 3/8 x 1” 04040-05 Flatwasher, 3/8-.406 x .812 x .065 483601 Spring, Speed Control 04009-14 Bolt, Shoulder 3/8 x 3/8”...

  • Page 76: Sczii Brake Components

    Section 8 SCZII BRAKE COMPONENTS...
  • Page 77 Section 8 SCZII BRAKE COMPONENTS Ref. Part No. Description 463233 Control Weldment w/ Decal 422373 Plate, Threaded 486616 Switch, N/C 04010-12 Screw, #10-32 x .75 483600 Spring, Brake 482102 Grip, Brake Lever 463192 Brake Lever w/ Grip 04001-31 Bolt, 3/8-16 x 2-1/2” 04043-04 Flat Washer, 3/8 - .391 x .938 x .105 431047...

  • Page 78: Sczii Hydraulic System

    Section 8 SCZII HYDRAULIC SYSTEM...
  • Page 79 Section 8 SCZII HYDRAULIC SYSTEM Ref. Part No. Description 483797 Transaxle, LH 486568 Hydraulic Tank, 1,000 ml 48136-16 Clamp, 1” Max Dia. 48504 Hose, 5/8 Pushlock (order by inch) 483798 Transaxle, RH 04001-01 Bolt, 1/4-20 x 3/4” 04019-02 Nut, Serrated Flange, 1/4-20...

  • Page 80: Sczii Fuel System

    Section 8 SCZII FUEL SYSTEM ENGINE To Engine Purge Port Purge Tank Purge Tank...
  • Page 81 Section 8 SCZII FUEL SYSTEM Ref. Part No. Description 484243 Fuel Gauge 482571 Bushing, .56 Dia. Viton 484286 Fuel Cap, Tethered 484297 Fuel Cap w/Tethered - California Models Only (not shown) 463273 Fuel Tank Assembly, RH (incl. #1, 2, 5, 6, 22, 23) 484242 Grommet 484553...

  • Page 82: Sczii Engine & Attaching Parts

    Section 8 SCZII ENGINE & ATTACHING PARTS...
  • Page 83 Section 8 SCZII ENGINE & ATTACHING PARTS Ref. Part No. Description **485033 Engine, Kawasaki 31FX - (FX921) **486726 Engine, Kawasaki 38FX-EFI (FX1000) **486516 (#61A7) Engine, Briggs & Stratton 37 BV-EFI **487604 (#61G8) Engine, Briggs & Stratton 40BV-EFI **487294 Engine, Kohler 38CV-EFI (ECV940) **487615 Engine, Briggs &...

  • Page 84: Zt-5400 Transaxle Assembly

    Section 8 ZT-5400 TRANSAXLE ASSEMBLY * - Included with Seal Kit Item # 75...
  • Page 85 Section 8 ZT-5400 TRANSAXLE ASSEMBLY Ref. Ref. Part No. Description Part No. Description HG53001 Carrier HG71946 Kit, Housing Main, LH HG53002 Ball, Thrust .75 HG71947 Kit, Housing Main, RH HG53003 Ring, Retaining 1-1/4” HG71948 Kit, Housing Side, LH HG53004 Spacer, Thrust, Axle HG71948 Kit, Housing Side, RH HG53005...

  • Page 86: Sczii Electrical System

    Section 8 SCZII ELECTRICAL SYSTEM STARTER Frame CHOKE GROUND THROTTLE...
  • Page 87 Section 8 SCZII ELECTRICAL SYSTEM Ref. Part No. Description 484098 Pulley, 5.80 Dia. - 1.125 Bore 04063-23 Key, 1/4 x 1/4 x 3-1/4” 461826 Electric Clutch w/Tag - GT-5 (FX921) 426950 Bracket, Anti-Rotation 485678 Wire Harness Adapter, Kawasaki 487840 Wire Harness Adapter, Briggs & Straton 36BV 486503 Wire Harness, SCZII 483958...

  • Page 88: Sczii Efi Electrical System

    Section 8 SCZII EFI ELECTRICAL SYSTEM Frame THROTTLE ENGINE STARTER GROUND...
  • Page 89 Section 8 SCZII EFI ELECTRICAL SYSTEM Ref. Part No. Description 484098 Pulley, 5.80 Dia. - 1.125 Bore 04063-23 Key, 1/4 x 1/4 x 3-1/4” 461826 Electric Clutch w/Tag - GT-5 426950 Bracket, Anti-Rotation 481182 Indicator Light Assembly 486508 Wire Harness, SCZII-EFI 486753 Wire Harness, SCZII-FX-EFI 483958...

  • Page 90: Replacement Decals And Information Plates

    Section 8 REPLACEMENT DECALS AND INFORMATION PLATES FORWARD REVERSE WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL Heavy Duty Commercial Heavy Duty Commercial...
  • Page 91 Section 8 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part No. Description 483407 Decal, Spinning Blades 483406 Decal, Knives 483201 Decal, 61” Velocity Plus 484574 Decal, Velocity Plus - 61RD 483693 Decal, 72” Velocity Plus 487907 Decal. 72RD Velocity Plus 483633 Decal, Seat Replacement 483425 Decal, ROPS...

  • Page 92: Sczii Electrical Schematic

    Section 8 SCZII ELECTRICAL SCHEMATIC (shown with Key Off, PTO Off, Park Brake Applied, Control Handles in Neutral, Seat Switch Disengaged) Position PTO Switch Legend ON (UP) Position Key Switch Legend G + M + A B + L + A DOWN (OFF) START B + L + S...

  • Page 93: Sczii Bv-Efi / Cv-Efi Electrical Schematic

    Section 8 SCZII BV-EFI / CV-EFI ELECTRICAL SCHEMATIC (shown with Key Off, PTO Off, Park Brake Applied, Control Handles in Neutral, Seat Switch Disengaged) Position PTO Switch Legend ON (UP) Position Key Switch Legend DOWN (OFF) G + M + A B + L + A START B + L + S...

  • Page 94: Briggs & Stratton / Kohler- Efi Adapter Harness Electrical Schematic

    Section 8 BRIGGS & STRATTON / KOHLER- EFI ADAPTER HARNESS ELECTRICAL SCHEMATIC WHITE BLACK W/ ORANGE STRIPE GRN W/WHT STRIPE...

  • Page 95: Sczii Fx-Efi Electrical Schematic

    Section 8 SCZII FX-EFI ELECTRICAL SCHEMATIC (shown with Key Off, PTO Off, Park Brake Applied, Control Handles in Neutral, Seat Switch Disengaged) Position PTO Switch Legend Position Key Switch Legend ON (UP) G + M + A B + L + A START B + L + S DOWN (OFF)
  • Page 96 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 97 © 2023 Scag Power Equipment Division of Metalcraft of Mayville, Inc.

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