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Scag Power Equipment SCR Operator's Manual

Scag mower operating instructions
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MODEL SCR
PART NUMBER 03103

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Summary of Contents for Scag Power Equipment SCR

  • Page 1 MODEL SCR PART NUMBER 03103...
  • 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: General Information

    Scag dealer or find a local authorized servicing agent of the component manufacturer. Any unauthorized work done on these components during the warranty period may void your warranty. Serial Plate SCR 2K SPL...
  • Page 4 ISO Symbols SYMBOL DESCRIPTION Choke Parking Brake On/Start Off/Stop CE Mark SYMBOL DESCRIPTION Transmission Spinning Blade 48071S Spring Tension on Idler WARNING Falling Hazard FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR'S MANUAL 481109...
  • Page 5 SYMBOL DESCRIPTION Fast Continuously variable - Linear Pinch Point 481039S Hourmeter/elapsed operating hours Keep bystanders away SYMBOL DESCRIPTION Slow Cutting element - Basic symbol Cutting element - Engage Cutting element - Disengage Read operator's manual...

  • Page 6: Safety Information

    2.1 INTRODUCTION 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 7: Operation Considerations

    Section 2 5. DO NOT wear loose fitting clothing that could get tangled in moving parts. Do not operate the machine wearing shorts; always wear adequate protective clothing including long pants. Wearing safety glasses, safety shoes and a helmet is advisable and is required by some local ordinances and insurance regulations.

  • Page 8: Maintenance Considerations

    5. Before attempting to start the engine, with the operator in the seat, disengage power to the cutter deck, place the hopper in the stowed position, steering control levers in the neutral position and engage the parking brake. 6. If the mower discharge ever plugs, shut off the engine, remove the ignition key, and wait for all movement to stop before removing the obstruction.

  • Page 9: Safety And Instructional Decals

    Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039...

  • Page 10: Specifications

    3.1 ENGINE General Type ... Heavy Duty Industrial/Commercial Gasoline Brands ... Kohler & Kawasaki Model ... 25 HP Kohler Command CH25S & 27HP Kawasaki FD750D Horsepower ... 25 HP at 3600 RPM (SCR42-25CH, SCR48-25CH & SCR52-25CH) ... 27HP at 3600 RPM (SCR48-27KA & SCR52-27KA) Type ...

  • Page 11: Cutter Deck

    Section 3 3.3 TRACTOR (CONT'D) Travel Speed: Forward ... 0 - 8.5 MPH Reverse ... 0 - 5.0 MPH 3.4 CUTTER DECK No. of Blades ... 3 Width of Cut ... 42", 48" & 52" Cutter Blades ... Three (3) 16-1/2" (P/N 481997) Marbane Blades Deck Drive ...

  • Page 12: Controls And Instrument Identification

    Figure 4-1 Controls and Instruments Section 4 Right Steering Control Park Brake Control Forward Speed Control Mower Deck Control Right Fuel Gauge SCR 2001 C&I...

  • Page 13: Safety Interlock System

    It will also shut the engine off if the cutter deck drive is engaged and the hopper is raised. Right Dump Valve SCR 2K DVL Blower Belt 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) 1.
  • Page 15 To travel in reverse, pull both handles all the way back. Keep the travel speed low while traveling in reverse. The mower will not travel straight in reverse. SCR 2K HOC Slight adjustments must be made using the steering controls.

  • Page 16: Hillside Operation

    3. Keep tires properly inflated. 4. Always travel up or down the slope, whenever possible; NEVER across the slope. (See Figures 4-6 and 4-7.) SCR 2001MCD Figure 4-6 Proper Operation on a Slope Section 4 WARNING: SCR 2K POS...

  • Page 17: Hopper, Mulch Or Side Discharge Operation

    (grass catching operation) or removed (mulching or side discharge operations). The cutter deck must also be adapted to the type of cutting that the operator SCR 2K IOS is attempting to perform. Figure 4-8 Blower Belt Release...
  • Page 18 Lock Pin and Latch Plate SCR 2K TGO Figure 4-10 Tailgate Operation Raise the tailgate until the lock pin on top of the hopper engages with the latch on the tailgate (Figure 4-10).
  • Page 19 (Figure 4-8, Page 15). 3. Engage the deck drive. 4. Proceed to mow the lawn. 4.11 REMOVING CLOGGED MATERIAL SCR 2K BSD ROTATING BLOWER BLADES NEVER PUT YOUR HANDS INTO THE BLOWER DIS- CHARGE CHUTE FOR ANY REASON! Shut off the...

  • Page 20: Moving Mower With Engine Stopped

    A deck height decal is located on the deck as an aid in adjusting the deck to the desired height. 4. Repeat the above process on the other side of the cutter deck. Section 4 SCR 2K DHA...

  • Page 21: Tilting The Cutter Deck

    (Figure 4-15). 3. To release the deck and lower it to its operating position: Lift up on the caster wheel arm while pulling up on the lock pin. Carefully lower the deck to the ground. 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: Parking Brake Adjustment

    If this procedure does not achieve proper brake adjustment, please contact your authorized Scag Brake dealer for diagnosis and repair. Switch SCR 2K BSA Park Brake Control Park Brake Control Rod SCR 2K BLA -NOTE-...

  • Page 26: Travel Adjustments

    1. Jack up the machine enough to lift the drive wheels SCR 2K BAR and block securely. 2. Pull the speed control lever into the neutral position.
  • Page 27 2. If the machine pulls to the left, loosen the jam nuts on the left control rod and turn the rod slightly clockwise, tighten the jam nuts and retest. SCR 2K TAD...

  • Page 28: Belt Adjustment

    These adjustments must be peformed by your Scag dealer to ensure proper and effecient running of the engine. Should either need adjustment, contact your authorized Scag service center. SCR 2001 CDBA Before removing any guards, shut the engine off and remove the ignition key. 6.4 BELT ADJUSTMENT All drive belts and cutter deck belts are spring loaded and self-tensioning.

  • Page 29: Cutter Deck Adjustments

    1/4" pitch (front edge of cutter deck is 1/4" lower than the rear edge of the cutter deck) is achieved. Tighten the locknuts securely once the proper adjustment has been set. Handle SCR 2K CDA...

  • Page 30: Maintenance

    7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS HOURS Break-In 40 100 200 500 (First 10) (First 5) MAINTENANCE Procedure Check all hardware for tightness Check hydraulic oil level Check all belts for tightness Change engine oil and filter Fill fuel tank before starting Check engine oil level *Clean mower Check condition of blades...
  • Page 31 Section 7 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS Break-In 40 100 200 500 (First 10) * Perform these maintenance procedures more frequently under heavy load, extreme dusty or dirty conditions. 7.2 LUBRICATION GREASE FITTING LUBRICATION CHART (SEE FIGURE 7-1) LOCATION Brake Linkage Caster Wheel Pivot...

  • Page 32: Right Side

    Super Lube MEP #2 & Super Stay-M #2 found at Conoco Stations Shell Alvania #2 found at Shell Service Stations Lidok EP #2 found at industrial shops UNDER SEAT RIGHT SIDE LEFT SIDE Figure 7.1 Lubrication Fitting Points Section 7 SCR 2001 LFP...

  • Page 33: Hydraulic System

    7.4 ENGINE OIL A. Checking Engine Crankcase Oil Level The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine SCR 2K HOR Operator’s Manual furnished with this mower. -Note-...
  • Page 34 Engine Oil Filler Cap SCR 2K FCDS Figure 7-3 Engine Fill Cap and Dip Stick B. Changing Engine Crankcase Oil After the first 5 hours of operation, change the engine crankcase oil and replace the oil filter. Thereafter, change the engine crankcase oil after every 100 hours of operation or bi-weekly, whichever occurs first.

  • Page 35: Engine Air Cleaner

    Dirt and fluid on the top of the battery can cause the battery to discharge. Corrosion of the battery terminals or loose connections will cause poor battery performance. SCR 2K FSFF WARNING: Lead-acid batteries produce flammable and explosive gases. To avoid personal injury when checking, testing or charging batteries, DO NOT use smoking materials near batteries.
  • 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 After the first 2, 4, 8 and 10 hours of operation, check for proper tension on all drive belts and check for any damage. Thereafter, check the belt tension after every 100 hours of operation or bi-weekly, whichever occurs first. 1.

  • Page 38: Cutter Deck Gearbox

    90 gear oil. Install the check plug and tighten securely. GEARBOX FLUID CHECK PLUG Figure 7-9 Gearbox Check Plug B. Changing Lubricant The lubricant in the cutter deck gearbox should be changed after every 500 hours of operation or yearly, whichever occurs first. Section 7 SCR 2002 GFC...

  • Page 39: Power Unit Gearbox

    7.13 POWER UNIT GEARBOX A. Checking Lubricant Level 1. Remove the ignition key and engage the parking brake. SCR 2K GBF 2. Lift the seat to gain access to the gearbox dipstick. See Figure 7-12. Gearbox Dipstick 3.

  • Page 40: Fluid Level

    3. Use a mild soap solution or a vinyl/rubber cleaner to clean the seat. 4. Repair damaged metal surfaces and use Scag touch- up paint available from your authorized Scag dealer. Wax or polish the mower for maximum paint protection. SCR 2K DS Section 7...
  • Page 41 NOTES...

  • Page 42: Cutter Decks

    34 35 CUTTER DECKS 54 53 To Gearbox SCR 2K CD...
  • Page 43 Ref. Part. No. Number Description 461365 Cutter Deck with Decals 461330 Cutter Deck with Decals 461371 Cutter Deck with Decals 46631 Spindle Assembly 482486 Gearbox, Cutter Deck 481632 Wheel, Anti-Scalp 43515 Pin, Front Deck Height Adjust. 482075 Pin, Rear Deck Height Adjust. 422478 Bracket, Anti-Scalp Wheel 481625-01...

  • Page 44: Cutter Deck Support Components

    CUTTER DECK SUPPORT COMPONENTS SCR 2001 CDSC...
  • Page 45 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 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 461321 Outlet 451201 461326 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 26 27 23 6 To Deck Drive Shaft PART OF ENGINE PART OF ENGINE PART OF ENGINE PART OF ENGINE To Engine To Blower SCR 2001 EAP...
  • Page 51 ENGINE AND ATTACHING PARTS Ref. Part. No. Number Description 481967 Engine, 25 HP Kohler (Spec.PS-68650) 482271 Engine, 27 HP Kaw.(Spec. FD750D-AS04) 481946 Muffler 482081 Pipe, Exhaust 481947 Manifold, Exhaust, Kohler 481944 Manifold, Exhaust, Kawasaki 482329 Spring, Exhaust 04001-01 Bolt, Hex Head 1/4-20 x .75" 423006 Guard, Oil Cooler, Kohler Only 04019-02...

  • Page 52: Traction Drive Components

    TRACTION DRIVE COMPONENTS To Back of Engine Block SCR 2001 TD...
  • Page 53 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 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 5/16-18x1.0 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 DRIVE GEARBOX 2002 SCR CDDG...
  • Page 57 CUTTER DECK DRIVE GEARBOX Ref. Part No. No. Description 482122 Shaft Assembly 482123 Shaft Assembly 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” 482225 End Cap...

  • 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 2002 PBL...
  • Page 61 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 62: Fuel And Hydraulic Components

    FUEL AND HYDRAULIC COMPONENTS To Right Side Fuel Tank 10 10 To Engine SCR 2002 FHC...
  • Page 63 FUEL AND HYDRAULIC COMPONENTS Ref. Part. No. Number Description 48811 Hose, 3/8 Pushlock 20" Long (order by the inch) 48811 Hose, 3/8 Pushlock 30" Long (order by the inch) 482277 Tee, Swivel 9/16-18 JIC 481960 Hose Assembly, LH 481164 Cap, Hydraulic Tank 481507 Insert, Filler Neck 482266-01 Elbow, 9/16 O-Ring x 3/8 Hose...
  • Page 64 KOHLER ELECTRICAL SYSTEM TO HOPPER HARNESS SCR 2001 EKH...
  • Page 65 KOHLER ELECTRICAL SYSTEM Ref. Part. No. Number Description 04040-15 Flatwasher, 5/16-.375 x .875 x .083 482318 Wire Harness, SCR 482319 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...
  • Page 66 KAWASAKI ELECTRICAL SYSTEM TO HOPPER HARNESS SCR 2001 EKA...
  • Page 67 Fuse, 20 Amp 481755 Ammeter 04030-04 Lockwasher, 3/8" 04001-18 Bolt, Hex Head 04110-02 U-Nut, 5/16-18 481183 Water Temp Gauge 04010-11 Screw, #10-32 x 1-1/2" 48430 Fuse Holder W/Fuse & Connector 482157 Fuse, 15 Amp 482400 Wire Harness, Engine SCR 27KA -NOTE-...
  • Page 68 HOPPER To Frame 29 30 SCR 2002 HC...
  • Page 69 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 461474 Hopper Assembly (Incl. Items 1, 2, 4, 14, 16, 17, 21, 22, 24, 25, 37 &...

  • Page 70: Hopper Actuator Mechanism

    HOPPER ACTUATOR MECHANISM SCR 2002 HA...
  • Page 71 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 72: Replacement Decals And Information Plates

    SELECT SPEED WITH SELECTOR HANDLE SELECT FORWARD OR REVERSE DIRECTION WITH HYDRO CONTROL HANDLES DANGER DANGER ROTATING BLOWER BLADES STOP ENGINE BEFORE ENTERING CHUTE CONTACT CAN INJURE 482080 481039 482167 CUTTING HEIGHT 1-1/2 2-1/2 3-1/2 4-1/2 481863 SCR 2K RD1...
  • Page 73 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. 482251 Decal, PTO Engagement 482447 Decal, Driveshaft Grease 48404 SCR 2K RD2...
  • Page 74 KOHLER ELECTRICAL SCHEMATIC...

  • Page 75: Limited Warranty - Commercial Equipment

    LIMITED WARRANTY - COMMERCIAL EQUIPMENT...
  • Page 76 ©...
  • Page 77 KAWASAKI ELECTRICAL SCHEMATIC WHITE/BLACK WHITE/BLACK...

This manual is also suitable for:

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

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