Scag Power Equipment SWZU36A-15KA Operator's Manual

Scag Power Equipment SWZU36A-15KA Operator's Manual

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MODEL SWZU
THIS MANUAL CONTAINS THE OPERATING
INSTRUCTIONS AND SAFETY INFORMA-
TION FOR YOUR SCAG MOWER. READING
THIS MANUAL CAN PROVIDE YOU WITH
ASSISTANCE IN MAINTENANCE AND AD-
JUSTMENT PROCEDURES TO KEEP YOUR
MOWER PERFORMING TO MAXIMUM EFFI-
CIENCY. THE SPECIFIC MODELS THAT THIS
BOOK COVERS ARE CONTAINED ON THE
INSIDE COVER. BEFORE OPERATING YOUR
MACHINE, PLEASE READ ALL THE INFOR-
MATION ENCLOSED.
© 2003
SCAG POWER EQUIPMENT
DIVISION OF METALCRAFT OF MAYVILLE, INC.
PART NO. 03132
PRINTED 7/03
PRINTED IN USA

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Summary of Contents for Scag Power Equipment SWZU36A-15KA

  • Page 1 CIENCY. THE SPECIFIC MODELS THAT THIS BOOK COVERS ARE CONTAINED ON THE INSIDE COVER. BEFORE OPERATING YOUR MACHINE, PLEASE READ ALL THE INFOR- MATION ENCLOSED. © 2003 PART NO. 03132 SCAG POWER EQUIPMENT PRINTED 7/03 DIVISION OF METALCRAFT OF MAYVILLE, INC. PRINTED IN USA...
  • Page 2 This manual covers the operating instructions and illustrated parts list for: SWZU36A-15KA with a serial number of 9090001 to 9099999 SWZU48A-17KA with a serial number of 9110001 to 9119999 SWZU48A-18HN with a serial number of 9630001 to 9639999...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS SUBJECT PAGE Introduction ....................1 Direction Reference ..................1 Servicing the Engine and Drive Train Components ........1 Symbols ....................... 2-3 General Safety Instructions ................4 Signal Words ....................4 Before Operating ..................4 Operation Considerations ................6 Maintenance and Storage ................
  • Page 4: Subject Page

    TABLE OF CONTENTS (CONTINUED) SUBJECT PAGE Changing Hydraulic Oil Filter Element ............15 Engine Oil Maintenance ................16 Engine Air Cleaner Maintenance..............16 Checking Electrolyte Level and Cleaning Battery ........16 Charging the Battery ..................17 Jump Starting ....................17 Troubleshooting Cutting Conditions ............
  • Page 5: Introduction

    Scag Approved Accessories: Mulch Plate Mulch Master If additional information or service is needed, contact Cup Holder your Scag Power Equipment Dealer. Hour Meter Turbo Baffle We encourage you to contact your dealer for repairs. All Blade Buddy Scag dealers are informed of the latest methods to Using unapproved attachments, (especially "stand-up"...
  • Page 6: Symbols

    ISO Symbols CE Mark SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop WARNING Falling Hazard FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR'S MANUAL 481109...
  • Page 7: Symbols

    SYMBOL DESCRIPTION SYMBOL DESCRIPTION Slow Fast Cutting Element - Basic Symbol Continuously Variable - Linear Cutting Element - Engage Pinch Point 481039S Hourmeter/Elapsed Operating Hours Cutting Element - Disengage Read Operator's Manual Thrown Object Hazard Keep Bystanders Away...
  • Page 8: General Safety Instructions

    SAFETY INFORMATION GENERAL SAFETY INFORMATION Your mower is only as safe as the operator. Carelessness or operator error may result in serious The signal word “DANGER” denotes that an extremely bodily injury or death. Hazard control and accident hazardous situation exists on or near the machine that prevention are dependent upon the awareness, concern, could result in high probability of death or irreparable prudence, and proper training of the personnel involved in...
  • Page 9 BEFORE OPERATION CONSIDERATIONS (CONT'D) 8. Before attempting to start the engine, move the 5. Operator hearing protection is recommended, speed adjustment lever into the neutral position, move particularly for continuous operation of the mower. the blade engagement switch to the OFF position, Wear suitable hearing protection.
  • Page 10: Operation Considerations

    OPERATION CONSIDERATIONS 7. Shut the engine off and wait until the blades come to 1. Know the function of all controls and how to stop a complete stop before removing the grass catcher quickly. container. 2. Start the engine when the neutral latches are in the 8.
  • Page 11: Maintenance And Storage

    MAINTENANCE AND STORAGE 1. Allow only trained personnel to service the machine. 12. Batteries release explosive gases when being charged or discharged. Keep batteries away from any source of sparks and/or flame. 2. Never make adjustments to the machine with the engine running unless specifically instructed to do so.
  • Page 12: Mower Operation

    MOWER OPERATION 1. Read and understand the safety instructions before attempting to operate this machine. 2. Before starting the engine: PULL UP TO ENGAGE PUSH DOWN TO DISENGAGE * Check the oil level in the engine and the 390S0138 hydraulic reservoir. -NOTE- * Fill the fuel tank with clean, fresh, lead-free gasoline.
  • Page 13: Cutter Deck Belt Adjustments

    10. To "freewheel" or move the machine around PITCH is the angle of the blades (comparing front to without the engine running, turn the dump valve rear). A 1/4" downward pitch (front of deck down) is levers located at the back of the pumps to the recommended for best cutting performance.
  • Page 14: Cutter Blades

    CUTTER DECK PITCH ADJUSTMENTS WARNING: The cutter deck pitch adjustment has been set at the Always wear proper hand and eye protection factory and normally will not need to be changed. when working with cutter blades. However, if the pitch needs to be adjusted due to service work performed on the deck, follow the procedure below (see Figure 3).
  • Page 15: Neutral Adjustment

    C. 4" Position - baffle is installed using the bottom set of MIDDLE SET OF HOLES CARRIAGE BOLT holes on the front baffle welded inside the cutter FOR 3-1/2" SETTING deck. (See Figure 8). Placing the baffle in the 4" setting will enhance fall cutting (leaf pickup) and reduce cutter deck "blowout".
  • Page 16: Steering Control Rod Adjustment

    4. Starting on the left side of the machine, using the adjustment wrench located on the left side of the machine, rotate the tracking adjustment nut counter clockwise just until the LH wheel starts to creep forward. Make a note of the position of the adjust- ment nut.
  • Page 17: Parking Brake

    3. If the machine pulls to one side. Stop the mower by PARKING BRAKE placing the steering control levers in the neutral position. Using the adjustment wrench located on the 1. Adjust the parking brake so that when the brake left side of the machine, turn the tracking adjustment hand lever is against the stop on the handle bar, the nut on the slower side counter clockwise until the...
  • Page 18: Lubrication And Maintenance Chart

    LUBRICATION & MAINTENANCE BREAK-IN + Grease spindle until grease comes out the relief valve Compatible Greases: Lidok EP #2 (found at industrial shops) 8 HOURS (DAILY) Ronex MP (Exxon service stations) 40 HOURS (WEEKLY) Shell Alvania (Shell service stations) Mobilux #2 (Mobil service stations) 100 HOURS (BIWEEKLY) Super Lub M EP #2 (Conoco service stations) 500 HRS OR ANNUALLY...
  • Page 19: Checking Hydraulic Oil Level

    HYDRAULIC SYSTEM Checking Hydraulic Oil Level 2. Place a suitable container under the hydraulic oil drain. Remove the fill cap from the reservoir. Remove the drain cap from the T-Fitting located on The hydraulic oil level should be checked after the first the hydraulic system filter head.
  • Page 20: Engine Oil Maintenance

    BATTERY (ELECTRIC START UNITS ONLY) Checking Electrolyte Level and Cleaning 2. Run the engine at idle speed with the speed control Battery lever in neutral for five minutes. This machine was equipped from the factory with a 3. Check the oil level in the hydraulic tank. It must be sealed battery.
  • Page 21: Charging The Battery

    WARNING: WARNING: Electric storage battery fluid contains sulfuric BATTERIES PRODUCE EXPLOSIVE GASES. acid which is POISON and can cause SEVERE Charge the battery in a well ventilated space so CHEMICAL BURNS. Avoid contact of fluid with gases produced while charging can dissipate. eyes, skin, or clothing.
  • Page 22: Troubleshooting Cutting Conditions

    TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION Stringers - Occasional Low engine RPM Run engine at full 3600 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 Clean underside of deck...
  • Page 23 TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION Uneven Cut on Flat Lift worn off of blade Replace blade Ground - Wavy High-Low Blade upside down Mount with cutting edge toward Appearance, ground Scalloped Cut, or Rough Contour Deck plugged, grass accumulation Clean underside of deck Too much blade angle (deck pitch) Adjust pitch and level...
  • Page 24: Troubleshooting Cutting Conditions

    TROUBLESHOOTING CUTTING CONDITIONS CAUSE CURE CONDITION Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt or Cutting Very Close to Ground speed too fast Slow speed to adjust for conditions the Ground Cutting too low May need to reduce ground speed, raise cutting height, change direction of cut, and/or change pitch and level Rough terrain...
  • Page 25: Technical Specifications

    TECHNICAL SPECIFICATIONS ENGINES General Type: Heavy duty industrial/commercial Brand: Kohler, Kawasaki, Honda Models: Kohler CV493T, Kawasaki FH451V (15HP), FH500V (17HP) FH641V (21HP), Honda GXV610QAF (18HP) Horsepower: Kohler 18HP; Kaw. 15HP; Kaw. 17HP; Kaw. 21HP; Honda 18HP Type: 4 cycle gas, vertical shaft engines Displacement: Kohler: 18HP = 490cc Kawasaki: 15HP = 494cc, 17HP = 494cc, 21HP = 675cc.
  • Page 26: Technical Specifications

    TECHNICAL SPECIFICATIONS (CON'T) CUTTER DECKS SWMU 36 Advantage, SWMU 48 Advantage, SWMU 52 Advantage, SWMU 61 Advantage. Type: Out-front design with anti-scalp rollers Construction: SWMU36A, 48A: 7-gauge steel with 7-gauge (3/16") steel skirt SWMU52A, 61A:10-gauge steel with 7-gauge (3/16") steel skirt Cutting Width: 35.5"...
  • Page 27: Notes

    NOTES...
  • Page 28: Swmu-36"A Cutter Deck

    36"A CUTTER DECKS To"A" "A" SWZU04CD36A...
  • Page 29 36"A CUTTER DECKS Ref. Part Ref. Part No. Number Description No. Number Description 461635 Cutter Deck (Includes Decals) 04001-31 Bolt, Hex Head 3/8-16 x 2-1/2" 04017-27 Capscrew, 3/8-16 x 1.0" Serrated Flange Hex Hd 43515 Pin, Deck Adj. Rear 422478 Bracket, Anti-Scalp Wheel 04060-08 Pin, Sloted Spring 3/16 x 1-1/2"...
  • Page 30: Swmu-48"A, 52"A, & 61"A Cutter Decks

    48"A, 52"A & 61"A CUTTER DECKS "C" To"A" "D" To"B" To "C" To "D" "A" "B" SWZU04CD48A,52A&61A...
  • Page 31 48"A, 52"A & 61"A CUTTER DECKS Ref. Part Ref. Part Description 48 52 61 Description 48 52 61 461637 Cutter Deck W/ Decals 04015-14 Capscrew, Sckt. Hd. 1/4-20 x 1-3/8" 461644* Cutter Deck W/ Decals (small frame) 04020-09 Hex Nut, 5/8-11 461646* Cutter Deck W/ Decals (large frame) 48087...
  • Page 32: Cutter Deck Frame 36

    36"A DECK FRAME SWZU03DF36...
  • Page 33 36"A DECK FRAME Ref. Part Description 461170 Belt Cover With Decal 481625-01 Knob With Stud 04029-03 Knob, Deck Cover Mounting 48100-08 Bushing, Caster 461569 Frame Weldment, Deck Mounting - 36" (Includes #24, 25 & 28) 04062-04 Hair Pin Cotter, .177" x 3-1/4" 48114-04 Grease Fitting Str.
  • Page 34: Cutter Deck Frame 48" & 52" Small Frame

    48"A AND 52"A - DECK FRAME (SMALL FRAME) SWZU04DF48-52...
  • Page 35 48"A AND 52"A - DECK FRAME (*SMALL FRAME) Ref. Part No. No. Description 461171 48" Belt Cover With Decal 461279 52" Belt Cover With Decal 481625-01 Knob With Stud 04029-03 Knob, Deck Cover Mounting 48100-08 Bushing, Caster 461571 Frame Weldment, Deck Mounting - 48" (Includes #23, 24 & 27) 461573 Frame Weldment, Deck Mounting - 52"...
  • Page 36: Cutter Deck Frame 52" & 61" Large Frame

    52"A & 61"A - DECK FRAME (LARGE FRAME) SWZU04DF48-52...
  • Page 37 52"A & 61"A - DECK FRAME (*LARGE FRAME) Ref. Part Description 461280 Belt Cover With Decals 461281 Belt Cover With Decals 481625-01 Knob With Stud 04029-03 Knob, Deck Cover Mounting 48100-08 Bushing, Caster 461575 Frame Weldment, Deck Mounting (Incl. #23, 24 & 27) 461577 Frame Weldment, Deck Mounting (Incl.
  • Page 38: Engine Deck

    ENGINE DECK 18 HN ONLY ELECTRIC START ONLY 15 KA 17 KA ONLY SWZ 04 ED...
  • Page 39 ENGINE DECK Ref. Part Description 15KA 17KA 21KAE 18KH 18HN 482804 Engine, 15KA Kawasaki 482805 Engine, 17KA Kawasaki 481964 Engine, 21KAE Kawasaki 482854 Engine, 18KH Kohler 482705 Engine, 18HN Honda 04020-02 Hex Nut, 1/4-20 04010-10 Screw, 1/4-20 x 2" Rnd. Hd. Phil. 421239 Strap, Fuel Tank 481603...
  • Page 40: Drive And Brake Components

    DRIVE AND BRAKE COMPONENTS 3, 3A 10, 10A 37 41 SWZ03D&BC...
  • Page 41: Drive And Brake Components

    DRIVE AND BRAKE COMPONENTS Ref. Part Description 15KA 17KA 21KAE 18KH 18HN 481876 Ring, Split 04001-19 Bolt, 3/8-16 x 1" Hex Head 45842 Brake Shaft Assembly (16" Small Frame) 45854 Brake Shaft Assembly (20" Large Frame) 04062-01 Hair Pin Cotter, .094 x 1.62 04003-12 Carrage Bolt, 5/16-18 x 3/4"...
  • Page 42: Handle Assembly Small Frame (16")

    HANDLE ASSEMBLY SMALL FRAME (16") SWZU03HAN-SF 45 11...
  • Page 43: Handle Assembly - Small Frame (16")

    HANDLE ASSEMBLY *SMALL FRAME (16") Ref. Part Ref. Part 15KA 15KA Description Description 17KA 18HN 18KH 17KA 18HN 18KH 461598 Upper Handle Wlmt. W/Decals 04030-03 Lock Washer, 5/16" 42675 Quadrant, Speed Control 04050-02 Clip, Retaining, 3/4" diameter 04062-02 Hairpin, .094 x 1.19 48224 Bearing, Ball Neutral Return 45282...
  • Page 44: Handle Assembly Large Frame (Swzu-21Kae)

    HANDLE ASSEMBLY LARGE FRAME (SWZU-21KAE) SWZU03HAN-LF 45 11...
  • Page 45 HANDLE ASSEMBLY LARGE FRAME (SWZU-21KAE) Ref. Part Ref. Part Description Description 04030-03 Lock Washer, 5/16" 461599 Upper Handle Wlmt. W/Decals 42675 Quadrant, Speed Control 04050-02 Clip, Retaining, 3/4" diameter 04062-02 Hairpin, .094 x 1.19 48224 Bearing, Ball Neutral Return 45282 Lever, Speed Adjustment 46747 Cam, Neutral (incl.
  • Page 46: Hydraulic Assembly

    HYDRAULIC ASSEMBLY 2003SWZU-HA...
  • Page 47: Hydraulic Assembly

    HYDRAULIC ASSEMBLY Ref. Part Number Description 481164 Cap, Oil Reservoir 461428 Oil Reservoir (With Fittings) 482266-01 Elbow, 9/16" O-Ring x 3/8" Hose 48811 Hose, 3/8" ID - 16" Long (Order By The Inch) 48811 Hose, 3/8" ID - 7" Long (Order By The Inch) 48603-06 O-Ring 48551...
  • Page 48: Hydraulic Pump Assembly

    HYDRAULIC PUMP ASSEMBLY (BDP-10L117) 390S0192...
  • Page 49: Hydraulic Pump Assembly

    HYDRAULIC PUMP ASSEMBLY Ref. Part Number Description HG 2513017 Housing Kit (Incl. 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 (Incl. Charge Cover, Gerotor Assy., O-Ring) HG 50273 Gerotor Assembly HG 9004101-1340 O-Ring...
  • Page 50: Engine Deck Wire Harness (Manual Start)

    ENGINE DECK BLADE CLUTCH WIRE HARNESS KOHLER (18 HP) NEUTRAL KAWASAKI (15 HP & 17 HP) INTERLOCK GROUND HONDA (18 HP) WHITE BLACK W/RED STRIPE PART NO. 482683 BLACK BLACK BLUE WHITE WHITE YELLOW WIRE HARNESS ADAPTER - ENGINE INSTRUMENT SW04WH482683 PANEL HARNESS HANDLE WIRE HARNESS...
  • Page 51: Engine Deck Wire Harness - Kawasaki (Electric Start)

    ENGINE DECK WIRING HARNESS KAWASAKI ELECTRIC START PART NUMBER: 482685 ENGINE GROUND TRANSMISSION TO ENGINE WHITE BLACK W/RED STRIPE BLK W/RED STRIPE GREEN BLACK BLUE BLACK WHITE WHITE YELLOW ELECTRIC CLUTCH RED W/YEL STRIPE INSTRUMENT CONNECTOR STARTER SOLENOID SOLENOID HANDLE WIRING HARNESS KAWASAKI ELECTRIC START PART NO.
  • Page 52: Wire Harness Adaptor - Honda

    WIRE HARNESS GROUND ADAPTER HONDA (18 HP) ENGINE STATOR PART NO. 482848 BLACK RECTIFIER CAPACITOR YELLOW YELLOW WHITE MAGNETO SW04WH482848 MAIN WIRE HARNESS WIRE HARNESS ADAPTER KAWASAKI (15 HP & 17 HP) PART NO. 481717 SW2003WH481717...
  • Page 53: Replacement Decals

    REPLACEMENT DECALS & INFORMATION Hea vy- Duty 36"A - 482297 48"A - 481953 Comm e rcial 52"A - 481954 481971 61"A - 481955 481971 482285 482286 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 481039 48656 482284 48404 48404 WARNING...
  • Page 54: Replacement Decals

    REPLACEMENT DECALS & INFORMATION FAST OPERATOR'S MANUAL 481425 482799 481425 SPEED CONTROL SLOW NEUTRAL 481124 481124 481942 SWZU 481906 481906 CUTTING PARKING HEIGHT BRAKE 1-1/2 FAST 2-1/2 3-1/2 4-1/2 SLOW 481863 481863 481438 - SWZU 15KA, 17KA & 18HN 481414 - SWZU 18KH 481423 - SWZU 21 KAE...
  • Page 55 * Engines and electric starters are covered by the engine manufacturer’s warranty period. * Major drive system components are warranted for two (2) years by Scag Power Equipment. (Parts and labor 1st year; Parts only 2nd year) (Two year warranty exclude fittings, hoses, drive belts). The repair or replacement of the hydraulic pump or hydraulic motor will be at the option of Scag Power Equipment.

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