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

Scag Power Equipment SCAG SCR Operator's Manual

Scag power equipment lawn mower user manual
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MODEL SCR
PART NUMBER 03080

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  • Page 1 MODEL SCR PART NUMBER 03080...
  • 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

    TABLE OF CONTENTS SUBJECT Section 1 - General Information Introduction ... 1 Directional Reference ... 1 Servicing the Engine and Drive Train Components ... 1 Section 2 - Safety Information Introduction ... 2 Signal Words... 2 Before Operation Considerations ... 2 Operation Considerations ...

  • Page 4: Subject Page

    TABLE OF CONTENTS (CONT'D) SUBJECT Section 6 - Adjustments Parking Brake Adjustment ... 21 Travel Adjustments ... 22 Throttle Control and Choke Adjustments ... 25 Belt Adjustment ... 25 Belt Alignment ... 25 Cutter Deck Adjustments ... 25 Section 7 - Maintenance Maintenance Chart ...

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

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION WARNING: CAUTION: 2.2 SIGNAL WORDS 2.3 BEFORE OPERATION CONSIDERATIONS...

  • Page 7: Operation Considerations

    Section 2 WARNING: This machine is equipped with an interlock system 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 8: Maintenance Considerations

    Section 2 2.5 MAINTENANCE CONSIDERATIONS...

  • Page 9: Safety And Instructional Decals

    Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE WARNING ROTATING BLADES AND BELTS KEEP HANDS, FEET & CLOTHING CLEAR KEEP ALL GUARDS IN PLACE SHUT OFF ENGINE & DISENGAGE BLADE CLUTCH BEFORE SERVICING CLEAR AREA OF DEBRIS BEFORE MOWING USE CAUTION IN DIRECTING DISCHARGE KEEP BYSTANDERS, CHILDREN &...

  • Page 10: Section 3 - Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE 3.2 ELECTRICAL 3.3 TRACTOR ä...

  • Page 11: Hydraulic System

    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 3.8 PRODUCTIVITY...

  • Page 12: Section 4 - Operating Instructions

    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 Lift Lock Engine Choke Control...

  • Page 13: Safety Interlock System

    Section 4 Left Dump Valve Figure 4-2 Dump Valves Location Blower Belt Blower Belt Release Pedal Figure 4-3 Blower Belt Release 4.2 SAFETY INTERLOCK SYSTEM Right Dump Valve SCR 2K DVL SCR 2K BBR...

  • Page 14: Initial Run-In Procedures

    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) 4.4 STARTING THE ENGINE CAUTION: DO NOT USE STARTING FLUIDS.
  • Page 15 Section 4 Forward Travel Figure 4-4 Hands On Controls Reverse Travel Before backing up, observe the rear for persons and obstructions. Clear the area before backing up. Possible injury or property damage could occur. 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 16: Engaging The Deck Drive

    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 17: Parking The Mower

    Section 4 Figure 4-7 Improper Operation on a Slope 4.8 PARKING THE MOWER 4.9 AFTER OPERATION 4.10 HOPPER, MULCH or SIDE DISCHARGE OPERATION SCR 2K IOS Figure 4-8 Blower Belt Release Side Discharge Shutoff Baffle Figure 4-9 Baffles for Rear Discharge Blower Belt Blower Belt Release Pedal...
  • Page 18 Grass Catching Operation CAUTION: 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. WARNING: Never operate the grass catcher with the hopper back door open. Objects can be thrown out the spout of the hopper with a force that can cause injury to bystanders or property damage.

  • Page 19: Removing Clogged Material

    Section 4 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. Rear Dicharge Shutoff Baffle Side Discharge Chute...

  • Page 20: Moving Mower With Engine Stopped

    4.12 MOVING MOWER WITH ENGINE STOPPED 4.13 RECOMMENDATIONS FOR MOWING 4.14 ADJUSTING CUTTING HEIGHT WARNING: Do not adjust the cutting height with the mower blades rotating. Shut off the engine and remove the ignition key. Bodily injury could occur from the rotating blades.

  • Page 21: Tilting The Cutter Deck

    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. Deck Locking Figure 4-15 Deck Locking Pin Locking Pin Hole SCR 2K DLP...

  • Page 22: Troubleshooting Cutting Conditions

    TROUBLESHOOTING CUTTING CONDITIONS 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 Deck SGB019 CAUSE...
  • Page 23 Section 5 TROUBLESHOOTING (CONT'D) 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 24 TROUBLESHOOTING (CONT'D) 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 SGB025 CAUSE...

  • Page 25: Section 6 - Adjustments

    Section 6 ADJUSTMENTS 6.1 PARKING BRAKE ADJUSTMENT WARNING: Do not operate the mower if the parking brake is not operable. Possible severe injury could result. 1/8" Figure 6-1 Brake Switch Figure 6-2 Brake Switch Adjustment Brake Switch SCR 2K BSA Park Brake Control Park Brake Control Rod SCR 2K BLA...

  • Page 26: Travel Adjustments

    1/16" Spring Housing Figure 6-3 Brake Actuator Rod Assembly 6.2 TRAVEL ADJUSTMENTS 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. The engine and drive unit can get hot during operation causing burn injuries.
  • Page 27 Section 6...
  • Page 28 Section 6 SCR 2K TAD Figure 6-5 Drive linkage Steering Handle Adjustment Tracking Adjustment Keep Handles Aligned Adjustment Bolt SCR 2K SHA Figure 6-6 Steering Handle Adjustment...

  • Page 29: Throttle Control And Choke Adjustments

    Section 6 6.3 THROTTLE CONTROL AND CHOKE ADJUSTMENTS WARNING: Before removing any guards, shut the engine off and remove the ignition key. 6.4 BELT ADJUSTMENT 6.5 BELT ALIGNMENT 6.6 CUTTER DECK ADJUSTMENTS WARNING: Do not adjust the cutting height with the cutter blades rotating.

  • Page 30: Section 7 - Maintenance

    Section 7 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS HOURS Break-In 40 100 200 500 Procedure Comments (First 10)

  • Page 31: Lubrication Fitting Points

    Section 7 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS Break-In 40 100 200 500 (First 10) 7.2 LUBRICATION GREASE FITTING LUBRICATION CHART (SEE FIGURE 7-1) LOCATION Procedure LUBRICATION INTERVAL LUBRICANT Comments NO. OF PLACES...

  • Page 32: Right Side

    Section 7 RIGHT SIDE UNDER SEAT SCR 2K LFP LEFT SIDE Figure 7.1 Lubrication Fitting Points...

  • Page 33: Hydraulic System

    Section 7 7.3 HYDRAULIC SYSTEM A. Checking Hydraulic Oil Level Hydraulic Reservoir Hydraulic Oil Filter Figure 7-2 Hydraulic Oil Reservoir B. Changing Hydraulic Oil Hydraulic Drain Port 7.4 ENGINE OIL A. Checking Engine Crankcase Oil Level SCR 2K HOR...

  • Page 34: Engine Fuel System

    Engine Oil Filler Cap SCR 2K FCDS Figure 7-3 Engine Fill Cap and Dip Stick B. Changing Engine Crankcase Oil Engine Oil Drain Plug SCR 2K EODP Figure 7-4 Engine Oil Drain Plug C. Changing Engine Oil Filter 7.5 ENGINE FUEL SYSTEM To avoid injury from burns, allow the mower to cool before removing the fuel tank cap and refueling.

  • Page 35: Engine Air Cleaner

    Section 7 Fuel Shutoff Valve Fuel Filter Figure 7-6 Fuel Shutoff and Fuel Filter 7.6 ENGINE AIR CLEANER A. Cleaning and/or Replacing Air Cleaner Element 7.7 BATTERY A. Checking Electrolyte Level and Cleaning Battery SCR 2K FSFF WARNING: Lead-acid batteries produce flammable and explosive gases.
  • Page 36 WARNING: BATTERY ELECTROLYTE FIRST AID EXTERNAL CONTACT — Flush with water. EYES — Flush with water for at least 15 minutes medical immediately. INTERNAL — Drink large quantities of water. Follow with Milk Of Magnesia, beaten egg, or vegetable oil. Get medical attention immediately.

  • Page 37: Drive Belts

    Section 7 7.8 DRIVE BELTS 7.9 CUTTER BLADES A. Blade Inspection WARNING: Never operate the cutter blades with the deck in the raised position because it is hazardous and damage to mower will result. WARNING: Do not attempt to straighten a bent blade, and never weld a broken or cracked blade.

  • Page 38: Tires

    7.10 TIRES 7.11 HOPPER 7.12 CUTTER DECK GEARBOX A. Checking Lubricant Level CAUTION: Cutter deck gearbox can reach high operating temperatures. Allow cutter deck gearbox to cool before servicing. GEARBOX FLUID CHECK PLUG Figure 7-9 Gearbox Check Plug B. Changing Lubricant Section 7 SCR 2K GFC...

  • Page 39: Power Unit Gearbox

    Section 7 Remove Hair Pins Deck Height Adjustment Pin Figure 7-11 Deck Height Pins GEARBOX DRAIN PLUG 7.13 POWER UNIT GEARBOX A. Checking Lubricant Level SCR 2K GBF Gearbox Dipstick SCR 2K DHA SCR 2K GDS Figure 7-12 Gearbox Dipstick...

  • Page 40: Fluid Level

    FLUID LEVEL 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. SCR 2K DS Section 7...
  • Page 41 NOTES...

  • Page 42: Cutter Deck

    34 35 CUTTER DECK 54 53 To Gearbox SCR 2K CD...

  • Page 43: Cutter Deck

    Ref. Part. No. Number Description 461330 Cutter Deck with Decals 46631 Spindle Assembly 481516 Gearbox, Cutter Deck Spindle Drive 481632 Wheel, Anti-Scalp 43515 Pin, Front Deck Height Adjustment 482075 Pin, Rear Deck Height Adjustment 422478 Bracket, Anti-Scalp Wheel 481625-01 Knob w/Stud 422807 LH Belt Cover 422808...

  • Page 44: Cutter Deck Support Components

    CUTTER DECK SUPPORT COMPONENTS SCR 2K CDF...

  • Page 45: Cutter Deck Support Components

    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" 422775 Footplate 481284...

  • Page 46: Sheet Metal

    46 47 SHEET METAL SCR 2K SMC...
  • Page 47 Ref. Part. Number Description 481559 Cap, Grease 04021-20 Nut, Elastic Jam 1.0-14 481657 Bearing, 1.0 Diameter 481025 Seal, 2.00 OD x 1.625 ID 04021-13 Nut, Elastic Stop 5/8-11 482028-01 Plug, 1/4-28 451187 Yoke, Wheel 04001-41 Bolt, Hex Head 5/8-11 x 9.5" 43021 Spacer 482043...

  • Page 48: Blower Assembly

    BLOWER ASSEMBLY SCR 2K BLOWER...
  • Page 49 Ref. Part. No. Number Description 451202 Blower Housing, Rear 422812 Blower Housing, Front 451116 Inlet 451203 Outlet 451201 451200 Idler Arm, Weldment (includes #22) 481995 Spring 04050-15 Ring, Retaining 2.5 ext. 421665 Washer, Retainer 48100-12 Bushing, Oilite 2.505 ID 481024 Seal, 2.00 OD x 1.50 Bore 481022 Bearing Assembly...

  • Page 50: Engine And Attaching Parts

    ENGINE AND ATTACHING PARTS 45 39 To Deck Drive Shaft PART OF ENGINE PART OF ENGINE PART OF ENGINE PART OF ENGINE To Engine To Blower SCR 2K EAP...

  • Page 51: Engine And Attaching Parts

    ENGINE AND ATTACHING PARTS Ref. Part. No. Number Description 481967 Engine, 25 HP Kohler (Spec. No. PS-68650) 481946 Muffler 482081 Pipe, Exhaust 481947 Manifold, Exhaust 482203 Clutch, PTO 423005 Bracket, Oil Cooler 423006 Guard, OIl Cooler 481994 Spring, Gearbox Idler 48058 Hose, Fuel 1/4"...

  • Page 52: Traction Drive Components

    TRACTION DRIVE COMPONENTS To Back of Engine Block SCR 2K TD...

  • Page 53: Traction Drive Components

    TRACTION DRIVE COMPONENTS Ref. Part Description 48551 Pump, Hydraulic 481756 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 54: Hydraulic Pump

    HYDRAULIC PUMP 390S0167...
  • Page 55 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 56: Cutter Deck Gearbox

    CUTTER DECK DRIVE GEARBOX...
  • Page 57 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 58: Speed And Steering Controls

    SPEED AND STEERING CONTROLS SCR 2K SSC...
  • Page 59 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 60: Parking Brake Mechanism

    PARKING BRAKE MECHANISM SCR 2K PBL...

  • Page 61: Parking Brake Mechanism

    PARKING BRAKE MECHANISM Ref. Part Description 451261 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 62: Fuel And Hydraulic Components

    FUEL AND HYDRAULIC COMPONENTS To Right Side Fuel Tank 10 10 To Engine SCR 2K FHC...

  • Page 63: Fuel And Hydraulic Components

    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 64: Electrical System

    ELECTRICAL SYSTEM TO HOPPER HARNESS SCR 2K EKH...
  • Page 65 Ref. Part. No. Number Description 481474 Switch, Hopper 482029 Wire Harness, SCR 482030 Wire Harness, Hopper 48017-03 Lockwasher, Internal 5/8" 48017-04 Nut, 5/8-32 Special 48017-02 Key & Ring (includes 2 keys) 48798 Keyswitch w/hardware 48788 Relay 04031-01 Lockwasher, #10 external tooth 04020-01 Nut, #10-32 UNF 48023...

  • Page 66: Hopper

    HOPPER To Frame 29 30 SCR 2K HC...

  • Page 67: Hopper

    Ref. Part. No. Number Description 04090-02 Pop Rivet, 3/16 x .652 451193 Guide Weldment, Screen 04001-08 Bolt, Hex Head 5/16-18 x 3/4" 481092-01 Plastic Knob, 5/16-18 451191 Screen Weldment 451289 Stop Weldment, Screen 481972 Hopper 481876 Split Ring 43548 Pin, Hopper Latch 04060-01 Roll Pin 482070...

  • Page 68: Hopper Actuator Mechanism

    HOPPER ACTUATOR MECHANISM SCR 2k HA...
  • Page 69 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 70: Replacement Decals

    REPLACEMENT DECALS AND INFORMATION PLATES DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE 48071 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL START / DRIVE PROCEDURE CAUTION ENGAGE PARKING BRAKE DISENGAGE MOWER DECK DRIVE MOVE SPEED SELECTOR HANDLES TO NEUTRAL POSITION START ENGINE KEEP BYSTANDERS AWAY...
  • Page 71 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part Description 48071 Decal, Danger-Spining Blades 481040 Decal, Warning-Rotating Blades 48656 Decal, Patents 482182 Decal, Blade Bolts LH Thread 482080 Decal, Rotating Blades 482054 Decal, Parking Brake 481039 Decal, Belt Cover 482168 Decal, Bystanders & Read Operator’s Manual 482167 Decal, Start and Drive Procedure 482053...

  • Page 72: Electrical Schematic

    ELECTRICAL SCHEMATIC WIPER ENGINE HOPPER MOTOR HARNESS SWITCH BLU/RED GRN/ FUSE 15 AMP BLU/ BLU/ BRAKE INTERLOCK SWITCH MODULE PLUG PINK RED/YEL BATTERY GROUND SOLENOID RED/YEL STARTER ENGINE LT/BLU/BLK LT/BLU/BLK INSTRUMENT PANEL BLU/RED BLU/WHT HOPPER HOPPER MOTOR SWITCH GRN/BLK LT/BLU SEAT SWITCH LT/BLU...
  • Page 73 NOTES...

  • Page 74: Limited Warranty - Commercial Equipment

    LIMITED WARRANTY - COMMERCIAL EQUIPMENT...

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