Scag Power Equipment SCR Operator's Manual
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Scag Power Equipment SCR Operator's Manual

Scag Power Equipment SCR Operator's Manual

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MODEL SCR
PART NUMBER 03089

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Summary of Contents for Scag Power Equipment SCR

  • Page 1 MODEL SCR PART NUMBER 03089...
  • Page 2 WARNING: REMEMBER - YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR! 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 3 TABLE OF CONTENTS SUBJECT PAGE Section 1 - General Information Section 2 - Safety Information Section 3 - Specifications ....................... Section 4 - Operating Instructions Section 5 - Troubleshooting Cutting Conditions..............
  • Page 4 TABLE OF CONTENTS (CONT'D) SUBJECT PAGE Section 6 - Adjustments Section 7 - Maintenance Section 8 - Replacement Parts...

  • Page 5: General Information

    Section 1 GENERAL INFORMATION 1.1 INTRODUCTION 1.2 DIRECTION REFERENCE 1.3 SERVICING THE ENGINE AND DRIVE TRAIN COMPONENTS Serial Plate SCR 2K SPL Figure 1-1 Tractor Serial Number Plate Location...
  • Page 6 SYMBOL DESCRIPTION SYMBOL DESCRIPTION 48071S WARNING FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR'S MANUAL 481109...
  • Page 7 SYMBOL DESCRIPTION SYMBOL DESCRIPTION 481039S...

  • Page 8: Safety Information

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION WARNING: CAUTION: 2.2 SIGNAL WORDS 2.3 BEFORE OPERATION CONSIDERATIONS...
  • Page 9 Section 2 -NOTE- WARNING: This machine is equipped with an interlock system 2.4 OPERATION CONSIDERATIONS intended to protect the operator and others from injury. This is accomplished by preventing the engine from starting unless the operator is seated in the seat, the deck drive is disengaged, and the speed control is placed in the neutral position with the parking brake applied.
  • Page 10 Section 2 2.5 MAINTENANCE CONSIDERATIONS...
  • Page 11 Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039...

  • Page 12: Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE 3.2 ELECTRICAL 3.3 TRACTOR ä...
  • Page 13 Section 3 3.3 TRACTOR (CONT'D) 3.4 CUTTER DECK 3.5 GRASS CATCHING SYSTEM 3.6 HYDRAULIC SYSTEM 3.7 WEIGHTS AND DIMENSIONS SCR42-25CH SCR48-25CH SCR48-27KA SCR52-25CH SCR52-27KA 3.8 PRODUCTIVITY...

  • Page 14: Operating Instructions

    Section 4 OPERATING INSTRUCTIONS CAUTION: Do not attempt to operate this mower unless you have read this manual. Learn the location and purpose of all controls and instruments before you operate this mower. 4.1 CONTROLS AND INSTRUMENT IDENTIFICATION Left Steering Control Cutter Deck Right Steering...
  • Page 15 Section 4 Right Left Dump Dump Valve Valve SCR 2K DVL Figure 4-2 Dump Valves Location Blower Belt Blower Belt Release Pedal SCR 2K BBR Figure 4-3 Blower Belt Release 4.2 SAFETY INTERLOCK SYSTEM...
  • Page 16 Section 4 WARNING: Never operate the mower with the interlock system disconnected or malfunctioning. Do not disengage or bypass any switch; injury to yourself and others or property damage could result. 4.3 INITIAL RUN-IN PROCEDURES (First Day of Use or Approximately 10 Hours) 4.5 GROUND TRAVEL AND STEERING 4.4 STARTING THE ENGINE CAUTION:...
  • Page 17 Section 4 Forward Travel Reverse Travel CAUTION: Before backing up, observe the rear for persons and obstructions. Clear the area before backing up. Possible injury or property damage could occur. CAUTION: Disengage power to the mower before backing up. Do not mow in reverse unless absolutely necessary and then only after observation of the entire area behind the mower.
  • Page 18 Section 4 4.7 HILLSIDE OPERATION WARNING: To minimize the possibility of overturning, the least dangerous method of operating on hills and terraces is to travel vertically up and down the slope, not horizontally along the slope. Avoid any 4.6 ENGAGING THE DECK DRIVE (CUTTER unnecessary turns and travel at reduced speed.
  • Page 19 Section 4 4.10 HOPPER, MULCH or SIDE DISCHARGE OPERATION SCR 2K IOS Figure 4-7 Improper Operation on a Slope 4.8 PARKING THE MOWER Blower Belt Blower Belt Release Pedal 4.9 AFTER OPERATION SCR 2K BBR Figure 4-8 Blower Belt Release Rear Discharge Baffle SCR 2K RD...
  • Page 20 Section 4 Grass Catching Operation Lock Pin and CAUTION: Latch Plate Never leave grass clippings in the hopper after mowing. Wet or damp clippings will generate heat as they decompose which may cause spontaneous combustion to occur. SCR 2K TGO Figure 4-10 Tailgate Operation Grasp Here Hopper Latch...
  • Page 21 Section 4 Mulching Operation Rear Discharge Shutoff Baffle Side Discharge Operation CAUTION: The side discharge deck can throw objects with great force. Do not stand in front of discharge chute when the cutter deck is engaged. Keep bystanders clear from the area while mowing. SCR 2K BMD Side Discharge Shutoff Baffle...
  • Page 22 Section 4 4.12 MOVING MOWER WITH ENGINE 4.14 ADJUSTING CUTTING HEIGHT STOPPED WARNING: Do not adjust the cutting height with the mower blades rotating. Shut off the engine and remove 4.13 RECOMMENDATIONS FOR MOWING the ignition key. Bodily injury could occur from the rotating blades.
  • Page 23 Section 4 4.15 TILTING THE CUTTER DECK WARNING: Do not tilt the mower deck with the mower blades rotating. Shut off the engine and remove the ignition key. Bodily injury could occur from the rotating blades. Locking Pin Deck Locking Hole SCR 2K DLP Figure 4-15 Deck Locking Pin...

  • Page 24: Troubleshooting Cutting Conditions

    Section 5 TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION Stringers - Occasional Blades of Uncut Grass Width of Deck SGB020 Streaking - Strips of Uncut Grass in Cutting Path Width of Deck SGB018 Streaking - Strips of Uncut Grass Between Cutting Paths Width Width Deck...
  • Page 25 Section 5 TROUBLESHOOTING (CONT'D) CAUSE CURE CONDITION Uneven Cut on Flat Ground - Wavy High-Low Appearance, Scalloped Cut, or Rough Contour Width of Deck SGB020 Uneven Cut on Uneven Ground - Wavy Appearance, High-Low Scalloped Cut, or Rough Contour Width of Deck SGB021 Sloping Ridge Across Width of Cutting Path...
  • Page 26 Section 5 TROUBLESHOOTING (CONT'D) CAUSE CURE CONDITION Scalping - Blades Hitting Dirt or Cutting Very Close to the Ground Width of Deck SGB022 Step Cut - Ridge in Center of Cutting path Width of Deck SGB024 Slope Cut - Sloping Ridges Across Width of Cutting Path Width of Deck...
  • Page 27 Section 6 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT Park Brake Control WARNING: Do not operate the mower if the parking brake is not operable. Possible severe injury could result. Park Brake Control Rod SCR 2K BLA Figure 6-2 Brake Switch Adjustment Brake Switch 1/8"...
  • Page 28 Section 6 CAUTION: Stop the engine and remove the key from the ignition before making any adjustments. Wait for all moving parts to come to a complete stop before beginning work. CAUTION: The engine and drive unit can get hot during operation causing burn injuries.
  • Page 29 Section 6 SCR 2K TAD Figure 6-5 Drive linkage Tracking Adjustment...
  • Page 30 Section 6 Cutter Deck Engagement Belt Adjustment Keep Handles Aligned Adjustment Bolt SCR 2K SHA Figure 6-7 Steering Handle Adjustment Control Rod Belt Tension 6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENT WARNING: SCR 2001 CDBA Before removing any guards, shut the engine off and remove the ignition key.
  • Page 31 Section 6 6.6 CUTTER DECK ADJUSTMENTS WARNING: Do not adjust the cutting height with the cutter blades rotating. Shut the engine off and remove the key from the ignition. Bodily injury could occur from the rotating blades. Remove Pins Rear Adjuster Pin Handle SCR 2K CDA Figure 6-8 Cutter Deck Adjustment...
  • Page 32 Section 7 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS HOURS Break-In 40 100 200 500 Procedure Comments (First 10)
  • Page 33 Section 7 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS Break-In 40 100 200 500 Procedure Comments (First 10) 7.2 LUBRICATION GREASE FITTING LUBRICATION CHART (SEE FIGURE 7-1) LUBRICATION NO. OF LOCATION INTERVAL LUBRICANT PLACES...
  • Page 34 Section 7 RIGHT SIDE UNDER SEAT SCR 2001 LFP LEFT SIDE Figure 7.1 Lubrication Fitting Points...
  • Page 35 Section 7 7.3 HYDRAULIC SYSTEM A. Checking Hydraulic Oil Level Hydraulic Reservoir Hydraulic Drain Port 7.4 ENGINE OIL A. Checking Engine Crankcase Oil Level Hydraulic Oil Filter SCR 2K HOR Figure 7-2 Hydraulic Oil Reservoir B. Changing Hydraulic Oil...
  • Page 36 Section 7 Engine Oil 7.5 ENGINE FUEL SYSTEM Filler Cap To avoid injury from burns, allow the mower to cool before removing the fuel tank cap and refueling. Engine Oil Dip Stick Engine Oil Filter SCR 2K FCDS Figure 7-3 Engine Fill Cap and Dip Stick B.
  • Page 37 Section 7 Fuel Shutoff Valve 7.7 BATTERY A. Checking Electrolyte Level and Cleaning Battery Fuel Filter SCR 2K FSFF Figure 7-6 Fuel Shutoff and Fuel Filter WARNING: Lead-acid batteries produce flammable and explosive gases. To avoid personal injury when checking, testing or charging batteries, DO 7.6 ENGINE AIR CLEANER NOT use smoking materials near batteries.
  • Page 38 Section 7 B. Charging the Battery WARNING: BATTERY ELECTROLYTE FIRST AID EXTERNAL CONTACT — Flush with water. EYES — Flush with water for at least 15 minutes medical attention immediately. INTERNAL — Drink large quantities of water. Follow with Milk Of Magnesia, beaten egg, or vegetable oil.
  • Page 39 Section 7 7.8 DRIVE BELTS B. Blade Sharpening 7.9 CUTTER BLADES ANGLE BLADE BACK DO NOT A. Blade Inspection CUT IN X MUST NOT EXCEED 1/3 BLADE WIDTH 390S0139 WARNING: Figure 7-8 Blade Sharpening Never operate the cutter blades with the deck in the raised position because it is hazardous and damage to mower will result.
  • Page 40 Section 7 CAUTION: Cutter deck gearbox can reach high operating temperatures. Allow cutter deck gearbox to cool before servicing. 7.10 TIRES 7.11 HOPPER GEARBOX FLUID CHECK PLUG SCR 2K GFC Figure 7-9 Gearbox Check Plug 7.12 CUTTER DECK GEARBOX B. Changing Lubricant A.
  • Page 41 Section 7 GEARBOX DRAIN PLUG 7.13 POWER UNIT GEARBOX A. Checking Lubricant Level SCR 2K GBF Gearbox Dipstick Remove Hair Pins SCR 2K GDS Figure 7-12 Gearbox Dipstick Deck Height Adjustment Pin SCR 2K DHA Figure 7-11 Deck Height Pins...
  • Page 42 Section 7 FLUID LEVEL SCR 2K DS Figure 7-13 Fluid Level B. Changing Lubricant 7.14 BODY, DECK, HOPPER AND UPHOLSTERY CAUTION: Do not wash any portion of the equipment while it is hot. Do not wash the engine; use compressed air.
  • Page 43 NOTES...
  • Page 44 CUTTER DECKS To Gearbox 54 53 34 35 SCR 2K CD...
  • Page 45 CUTTER DECKS Ref. Part. Ref. Part. No. Number Description No. Number Description 42 48 52 42 48 52 43312 Spacer, Outside 461365 Cutter Deck with Decals 43296 Spacer, Inside 461330 Cutter Deck with Decals 481025 Seal, Bottom 461371 Cutter Deck with Decals 43297 Bushing, Spindle Bottom 46631...
  • Page 46 CUTTER DECK SUPPORT COMPONENTS SCR 2001 CDSC...
  • Page 47 CUTTER DECK SUPPORT COMPONENTS Ref. Part. Number Description 482078 Cover, Spring 04001-52 Bolt, Hex Head 1/2-13 x 2.5" 04019-06 Nut, 1/2-13 Serrated Flange 481993 Spring, Cutter Deck LIft 04021-09 Nut, 3/8-16 Elastic Stop 04001-19 Bolt, Hex Head 3/8-16 x 1" 423234 Footplate 422775...
  • Page 48 SHEET METAL 46 47 SCR 2K SMC...
  • Page 49 SHEET METAL Ref. Part. Ref. Part. Number Description Number Description 481559 Cap, Grease 04001-32 Bolt, Hex Head 3/8-16 x 1.25" 04021-20 Nut, Elastic Jam 1.0-14 04001-63 Bolt, Hex Head 5/16-18 x 3.5" 481657 Bearing, 1.0 Diameter 04021-10 Nut, Elastic Stop 5/16" 481025 Seal, 2.00 OD x 1.625 ID 04017-16...
  • Page 50 BLOWER ASSEMBLY SCR 2K BLOWER...
  • Page 51 BLOWER ASSEMBLY Ref. Part. Ref. Part. No. Number Description No. Number Description 451202 Blower Housing, Rear 04003-23 Bolt, Carriage 3/8-16 x 1.0 422812 Blower Housing, Front 04021-10 Nut, Elastic Stop 5/16-18 451116 Inlet 04003-06 Bolt, Carriage 1/4-20 x 1.0 461321 Outlet 04021-08 Nut, Elastic Stop 1/4-20 451201...
  • Page 52 ENGINE AND ATTACHING PARTS PART OF ENGINE PART OF ENGINE PART OF ENGINE To Engine PART OF ENGINE 26 27 23 6 To Blower To Deck Drive Shaft SCR 2001 EAP...
  • Page 53 ENGINE AND ATTACHING PARTS Ref. Part. Ref. Part. No. Number Description No. Number Description 04030-04 Lock Washer, 3/8" 481967 Engine, 25 HP Kohler (Spec.PS-68650) 482271 Engine, 27 HP Kaw.(Spec. FD750D-AS04) 43503 Pivot, Idler 48224 Bearing, Idler Arm 481946 Muffler 481788 Pulley, 5.45"...
  • Page 54 TRACTION DRIVE COMPONENTS To Back of Engine Block SCR 2001 TD...
  • Page 55 TRACTION DRIVE COMPONENTS Ref. Part Description 48551 Pump, Hydraulic 461015 Idler, Arm 481994 Spring, Idler 482135 Pulley, Idler 48224 Bearing, Idler Arm 04021-05 Nut, 3/8-16 Center Lock 43212 Spacer 04019-04 Nut, 3/8-16 Serrated Flange 04043-04 Washer, Flat 3/8” 43077 Spacer 04001-160 Bolt, 3/8-16 x 3.0”...
  • Page 56 HYDRAULIC PUMP 390S0167...

  • Page 57: Hydraulic Pump

    HYDRAULIC PUMP Ref. Part Description HG 2513017 Housing Kit (Includes Housing, Journal Bearing) HG 2513016 End Cap HG 9004800-2506 Straight Headless Pin HG 9007314-0810 Socket Head Screw HG 2003067 End Cap Gasket HG 2513027 Charge Pump Kit (Includes Charge Cover, Gerotor Assy., O-Ring) HG 50273 Gerotor Assembly HG 9004101-1340...
  • Page 58 CUTTER DECK DRIVE GEARBOX...
  • Page 59 CUTTER DECK DRIVE GEARBOX Ref. Part No. No. Description 482122 Shaft Assembly 482123 Shaft Assembly 482120 Case Half 482121 Case Half 481651 Seal, 1.00” x 1.50” x 3/16” 481652-01 Plug, 1/8” NPT Socket Head 481652-02 Plug, 1/4” NPT Socket Head 04015-16 Bolt, 5/16-18 x 1.25”...

  • Page 60: Speed And Steering Controls

    SPEED AND STEERING CONTROLS SCR 2K SSC...
  • Page 61 SPEED AND STEERING CONTROLS Ref. Part Description 48551 Pump, Hydraulic 422969 Lever, Pump 421203 Clamp, Pump Control 48829 Block, Pump Control 482177 Rod, Threaded 3/8-24 x 14.675” 48464 Rod End, 3/8-24 RH Thread Female 48544 Rod End, 3/8-24 LH Thread Female 04020-26 Nut, Jam 3/8-24 LH Thread 04020-25...

  • Page 62: Parking Brake Mechanism

    PARKING BRAKE MECHANISM SCR 2K PBL...
  • Page 63 PARKING BRAKE MECHANISM Ref. Part Description 461320 Lever, Parking Brake 482058 Grip, Parking Brake Lever 48544 Rod End, 3/8-24 LH 04020-17 Nut, 3/8-24 LH Thread 04004-39 Rod, 3/8-24 x 9.5" 04020-14 Nut, 3/8-24 RH Thread 48343-04 Clevis, 3/8-24 481990 Spring 04001-162 Bolt, Hex Head 3/8-24 x 8.25"...
  • Page 64 FUEL AND HYDRAULIC COMPONENTS To Right Side Fuel Tank 10 10 To Engine SCR 2K FHC...
  • Page 65 FUEL AND HYDRAULIC COMPONENTS Ref. Part. No. Number Description 48811 Hose, 3/8 Pushlock 20" Long (order by the inch) 48353-06 Coupling, 3/8 Hose x 9/16-18 Thread 481384-02 Tee, Swivel 9/16-18 JIC 481960 Hose Assembly, LH 481164 Cap, Hydraulic Tank 481507 Insert, Filler Neck 48350-09 Elbow, 90 Degree 3/8 x 3/8...
  • Page 66 KOHLER ELECTRICAL SYSTEM TO HOPPER HARNESS SCR 2001 EKH...
  • Page 67 KOHLER ELECTRICAL SYSTEM Ref. Part. Ref. Part. No. Number Description No. Number Description 04040-15 Flatwasher, 5/16-.375 x .875 x .083 04020-02 Nut, 1/4-20 482318 Wire Harness, SCR 48029-19 Battery Cable, Black 482319 Wire Harness, Hopper 48029-20 Battery Cable, Red 48017-03 Lockwasher, Internal 5/8"...
  • Page 68 KAWASAKI ELECTRICAL SYSTEM TO HOPPER HARNESS SCR 2001 EKA...
  • Page 69 KAWASAKI ELECTRICAL SYSTEM Ref. Part. Ref. Part. No. Number Description No. Number Description 04040-15 Flatwasher, 5/16-.375 x .875 x .083 04020-02 Nut, 1/4-20 482317 Wire Harness, SCR 48029-23 Battery Cable, Black 482319 Wire Harness, Hopper 48029-22 Battery Cable, Red 48017-03 Lockwasher, Internal 5/8"...
  • Page 70 HOPPER To Frame 29 30 SCR 2K HC...
  • Page 71 HOPPER Ref. Part. Ref. Part. No. Number Description No. Number Description 04090-02 Pop Rivet, 3/16 x .652 422932 Backing Strip, Hinge 451193 Guide Weldment, Screen 423131 Backing Plate, Door Latch 04001-08 Bolt, Hex Head 5/16-18 x 3/4" 04003-26 Bolt, Carr. 3/8-16 x 4" 481092-01 Plastic Knob, 5/16-18 481632 Wheel, Anti-Scalp...
  • Page 72 HOPPER ACTUATOR MECHANISM SCR 2k HA...
  • Page 73 HOPPER ACTUATOR MECHANISM Ref. Part. No. Number Description 481254 Motor, Actuator 04015-05 Capscrew, Socket Head, #10-32 x 1/2" 04031-01 Washer, External 481285 Cap, Plastic 04021-01 Hex Locknut, Elastic Stop, #10-32 481291 Lever, Actuator 04021-10 Hex Locknut, Elastic Stop, 5/16-18 482072 Rod End, 5/16-24 R.H.
  • Page 74 REPLACEMENT DECALS AND INFORMATION PLATES MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS: 4, 487, 006 4, 991, 382 5, 832, 708 4, 885, 903 4, 998, 948 5, 865, 018 4, 920, 733 5, 118, 617 4, 967, 543 5, 826, 416 PATENTS PENDING DANGER...
  • Page 75 Decal, Upper Instrument Panel - Kohler 482258 Decal, Upper Instrumant Panel - Kawasaki 482259 Decal, Lower Instrument Panel 481971 Decal, Heavy Duty 48314 Decal, SCAG 482052 Decal, Adjustments 48406 Decal, 42" Cutter Deck 48318 Decal, 48” Cutter Deck 48319 Decal, 52" Cutter Deck 48404 Decal, Made in the USA - Metalcraft of Mayville, Inc.
  • Page 76 KOHLER ELECTRICAL SCHEMATIC...
  • Page 77 KAWASAKI ELECTRICAL SCHEMATIC WHITE/BLACK WHITE/BLACK...
  • Page 78 LIMITED WARRANTY - COMMERCIAL EQUIPMENT...

This manual is also suitable for:

Scr42-25chScr48-27kaScr48-25chScr52-25chScr52-27ka

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