Scag Power Equipment Windstorm WS23-37BV-EFI Operator's Manual
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Scag Power Equipment Windstorm WS23-37BV-EFI Operator's Manual

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Congratulations on owning a Scag Windstorm blower! This manual contains
the operating instructions and safety information for your Scag blower.
Reading this manual can provide you with assistance in maintenance
and adjustment procedures to keep your blower performing to maximum
efficiency. The specific models that this book covers are listed on the
inside cover. Before operating your blower, please read all the information
enclosed.
© 2019
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
OPERATOR'S
MANUAL
Model:
WS23-37BV-EFI
Part No. 03451
Printed 2/2019
Printed in USA

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Summary of Contents for Scag Power Equipment Windstorm WS23-37BV-EFI

  • Page 1 The specific models that this book covers are listed on the inside cover. Before operating your blower, please read all the information enclosed. © 2019 Part No. 03451 Scag Power Equipment Printed 2/2019 Division of Metalcraft of Mayville, Inc. Printed in USA...
  • Page 2 WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your blower. • ALWAYS FOLLOW OSHA APPROVED OPERATION. • DO NOT operate on steep slopes. •...

  • 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 ..............................2 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................3 2.4 TESTING THE SAFETY INTERLOCK SYSTEM ..................4...
  • Page 4 Table of Contents SECTION 5 - ADJUSTMENTS ....................22 5.1 PARKING BRAKE ADJUSTMENT ......................22 5.2 TRAVEL ADJUSTMENT ..........................22 5.3 THROTTLE CONTROL AND CHOKE ADJUSTMENTS ................24 5.4 BELT ADJUSTMENTS ..........................24 5.5 BELT ALIGNMENT .............................24 5.6 ELECTRIC CLUTCH ADJUSTMENT ......................24 5.7 OPERATOR CUSHION AND REAR COVER REMOVAL ................25 SECTION 6 - MAINTENANCE ....................26 6.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS ............26 6.2 LUBRICATION ............................27...

  • Page 5: Section 1 - General Information

    Your blower was built to the highest standards in the Attachments and accessor ies manufactured by industry. However, the prolonged life and maximum companies other than Scag Power Equipment are not efficiency of your blower depends on you following the approved for use on this machine. See Section 7.

  • Page 6: Symbols

    Section 1 1.4 SYMBOLS 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 Blowing Element - Basic Symbol Pinch Point CE Mark 481039S Hour meter/Elapsed Operating Hours Keep Bystanders Away...

  • Page 7: Section 2 - Safety Information

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION DANGER Your blower is only as safe as its operator. Carelessness or operator error may result in serious bodily injury The signal word “DANGER” denotes that an extremely or death. Hazard control and accident prevention are hazardous situation exists on or near the machine that dependent upon the awareness, concern, prudence, and could result in high probability of death or irreparable injury...

  • Page 8: Testing The Safety Interlock System

    If a shield, safety device, or decal does not operate as described below, contact your local is defective or damaged, repair or replace it before Authorized Scag Power Equipment Dealer immediately to operating the machine. have the safety interlock system repaired.

  • Page 9: Operation Considerations

    Section 2 3. Stand on the operator platform in the operating 5. Immediately apply the parking brake if you lose position, place the steering control levers in the steering control while operating. Inspect the machine neutral position, engage the parking brake, move the and correct the problem before continuing to operate.
  • Page 10 Section 2 16. Take all possible precautions when leaving the machine unattended, such as disengaging the blower fan, stopping the engine, and removing the key. 17. Disengage power to the attachments when transporting or when not in use. Figure 2-2. Nozzle In Transport Position 18.

  • Page 11: Maintenance Considerations & Storage

    Section 2 2.6 MAINTENANCE CONSIDERATIONS & WARNING STORAGE 1. Never make adjustments to the machine with the Hydraulic fluid is under high pressure and can engine running, unless specifically instructed to do penetrate skin, causing injury. If hydraulic fluid so. If the engine is running, keep hands, feet, and is injected into the skin, it must be surgically clothing away from moving parts.

  • Page 12: Safety And Instructional Decals

    Section 2 2.9 SAFETY AND INSTRUCTIONAL DECALS 483402 486383 486363 WARNING Operation of this equipment Avoid injury from burns may create sparks that can - Shut off engine start res around dry - Allow to cool several minutes vegetation. A spark - Remove cap slowly arrestor may be required.

  • Page 13: Section 3 - Specifications

    Section 3 SPECIFICATIONS 3.1 ENGINE General Type ....................Heavy Duty Industrial/Commercial Gasoline Model: Scag Model WS23-37BV-EFI ....................Briggs & Stratton Vanguard Displacement: Briggs & Stratton (37BV-EFI) ..........................993cc Type: Briggs & Stratton (37BV-EFI) ........4-Cycle, Air-Cooled, Electronic Fuel Injection Gasoline, OHV Cylinders ............................. 2 with Cast-Iron Sleeves Governor ..........Mechanical Type with Variable Speed Control Set At 3600 RPM (+/- 100 RPM) Idle Speed: Briggs &...

  • Page 14: Blower

    Section 3 3.4 BLOWER Impeller Diameter ..................Balanced 23" Steel with Tapered Locking Hub Number of Blades ............................... 8 Effective CFM (cubic feet / min.) ..........................6,000 Theoretical Peak CFM (cubic feet / min.) ......................... 7,500 Discharge Control ................Nozzle Direction System with 180 Degrees of Rotation and 8 degrees +/- (16 degrees total) of Nozzle Tilt 3.5 WEIGHTS AND DIMENSIONS Length ..................................71.5"...

  • Page 15: Section 4 - Operating Instructions

    9. Neutral Indicator (Figure 4-1). Light will illuminate prevented from starting. If additional information or service when the steering control levers are in the neutral is needed, contact your Scag Power Equipment Dealer. lock position. 4.1 TIGER EYE INSTRUMENT 10. Park Brake Indicator (Figure 4-1). Light will...
  • Page 16 Section 4 SERVICE AIR OIL PRESSURE FILTER INDICATOR INDICATOR WATER TEMPERATURE GLOW PLUG SERVICE ENGINE INDICATOR INDICATOR INDICATOR PARKING BRAKE VOLTMETER INDICATOR INDICATOR OPERATOR INDICATOR NEUTRAL INDICATOR INDICATOR HOUR METER INDICATOR Figure 4-1. Tiger Eye Advanced Monitoring System NOZZLE DIRECTION CONTROL (MANUAL LEFT / RIGHT) CHECK ENGINE FUSE HOLDERS...

  • Page 17: Controls Identification

    Section 4 4.2 CONTROLS IDENTIFICATION 10. Nozzle Tilt Control (Figure 4-2). Used to raise and lower the angle of the blower output nozzle. Pull 1. Ignition Switch (Figure 4-2). For electric start back on the handle to raise the nozzle angle. Push models, the ignition switch is used to start the engine forward on the handle to lower the nozzle angle.

  • Page 18: Safety Interlock System

    3. Check oil level in the hydraulic system reservoir. does not operate as described below, contact your local See Section 6.3. Authorized Scag Power Equipment Dealer immediately to have the safety interlock system repaired. 4. Check for loose hardware. Tighten as needed.

  • Page 19: Ground Travel And Steering

    Section 4 5. Turn the ignition key to the start position and start the engine. Forward Travel 6. Allow engine to warm before operating the blower. Front Reference Bar Pull Steering Control Levers Forward 4.7 GROUND TRAVEL AND STEERING Parking Brake Released - IMPORTANT - If you are not familiar with the operation of a machine with lever steering and/or hydrostatic...

  • Page 20: Engaging The Blower Drive (Blower Fan)

    Section 4 - NOTE - To steer the machine to the right while traveling forward, allow the right steering control lever to move back toward The machine may not travel straight in reverse. the neutral position. The further the steering control lever Slight adjustments may need to be made using is allowed to move back, the quicker the machine will the steering controls.

  • Page 21: Hillside Operation

    Section 4 3. To disengage the blower drive, push the switch in to 3. Disengage the blower drive. the disengaged position. 4. Slow the engine to idle speed. 4. If the engine starts to lug down, reduce the forward 5. Engage the parking brake. speed and allow the engine to operate at maximum RPM.

  • Page 22: Removing Clogged Material

    Section 4 4.12 REMOVING CLOGGED MATERIAL 4. Keep blower intake and discharge nozzle clean. 5. Use a slow travel speed when clearing heavy or large amounts of material. DANGER 6. Operate the engine at full throttle for best results. The engine is designed to be operated at full speed. ROTATING FAN BLADES 4.15 ADJUSTING DISCHARGE NOZZLE NEVER PUT YOUR HANDS INTO THE AIR INTAKE...
  • Page 23 Section 4 2. Push forward on the Nozzle Tilt Control to lower the The switch located on the right side of the control panel (See Figure 4-9) when pressed and held will manually nozzle angle. rotate the discharge nozzle (left or right) to the desired location.
  • Page 24 Section 4 To auto-rotate the discharge nozzle horizontal 3. To fully rotate the nozzle to the right, press the auto direction: nozzle direction control switch once to the right. See Figure 4-11. 1. To fully rotate the nozzle to the left, press the auto nozzle direction control switch once to the left.
  • Page 25 Section 4 To manually rotate the discharge nozzle horizontal direction: 1. To rotate the nozzle to the left or right in small increments, press and hold the manual nozzle direction control switch. See Figure 4-12. MANUAL NOZZLE DIRECTION CONTROL SWITCH Figure 4-12.

  • Page 26: Section 5 - Adjustments

    Section 5 ADJUSTMENTS 5.1 PARKING BRAKE ADJUSTMENT WARNING RELEASE PARK BRAKE DO NOT operate the machine if the parking brake is not operable. Possible severe injury could result. The parking brake should be adjusted whenever the parking brake lever is placed in the “ENGAGE” position and the parking brake will allow the machine to move.
  • Page 27 Section 5 TRACKING ADJUSTMENT 1. Be sure the dump valves are in the run position and the steering control levers are in the neutral position. 2. With an operator in the operating position, park the CAUTION machine on a flat, level surface; start the engine and disengage the parking brake.

  • Page 28: Throttle Control And Choke Adjustments

    Section 5 5.5 BELT ALIGNMENT A. Stop the machine and place the steering control levers in the neutral position. Loosen the lock nuts securing the ball joints at each end of the RH steering Belt alignment is important for proper performance of control rod.

  • Page 29: Operator Cushion And Rear Cover Removal

    Section 5 3. Tighten or loosen the adjusting nut as needed to WARNING achieve the 0.015 inch airgap. See Figure 5-5. Perform this operation at all three inspection windows. Before removing any guards, shut the engine off ADJUSTMENT NUTS and remove the ignition key. Wait for all moving parts to come to a complete stop before beginning work.

  • Page 30: Section 6 - Maintenance

    Section 6 MAINTENANCE 6.1 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 6.3 Check the condition of belts Check hydraulic hoses for leaks Use extreme caution when checking the hydraulic hoses.

  • Page 31: Lubrication

    Section 6 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D) HOURS PROCEDURE COMMENTS BREAK-IN (FIRST 10) Check hardware for tightness Apply grease to fittings See paragraph 6.2 Check hydraulic oil level See paragraph 6.3 Change engine oil See paragraph 6.4 Change engine oil filter See paragraph 6.4 Replace engine fuel filter See paragraph 6.5...
  • Page 32 Section 6 GREASE FITTING LUBRICATION Lubricant Interval Scag Premium NLGI #1 Chassis Grease - p/n 486257 (100 Hours/Bi-weekly) Scag Premium NLGI #1 Chassis Grease - p/n 486257 (500 Hours/Yearly) Figure 6-1. Lubrication Fitting Points...

  • Page 33: Hydraulic System

    Section 6 6.3 HYDRAULIC SYSTEM B. CHANGING HYDRAULIC OIL The hydraulic oil should be changed after every 500 hours A. CHECKING HYDRAULIC OIL LEVEL or annually, whichever occurs first. The oil should also be changed if the color of the fluid has become black or milky. The hydraulic oil level should be checked after the first 8 A black color and/or a rancid odor usually indicates possible hours of operation.

  • Page 34: Engine Oil

    Section 6 B. CHANGING ENGINE CRANKCASE OIL After the first 20 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 monthly, whichever occurs first. Refer to the Engine Operator’s Manual furnished with this blower for instructions.

  • Page 35: Engine Fuel System

    Section 6 6.5 ENGINE FUEL SYSTEM 3. Never remove the gas cap or add fuel with the engine running. Allow the engine to completely cool before fueling. DANGER 4. Never fuel the machine indoors or in an enclosed trailer. 5. Never store the machine or fuel container where To avoid injury from burns, allow the blower there is an open flame, spark, or pilot light such as to cool before removing the fuel tank cap and...

  • Page 36: Engine Air Cleaner

    Section 6 B. REPLACING IN-LINE FUEL FILTER - NOTE - ELEMENTS In extremely dusty conditions it may be necessary to check the element once or twice daily to prevent engine damage. The engine fuel filter should be replaced after every 500 hours of operation or annually, whichever occurs first.

  • Page 37: Drive Belts

    Section 6 WARNING WARNING BATTERIES PRODUCE EXPLOSIVE GASES. Battery fluid contains sulfuric acid which is Charge the battery in a well ventilated space so POISONOUS and can cause SEVERE CHEMICAL gases produced while charging can dissipate. BURNS. Avoid contact of fluid with eyes, skin, or clothing.

  • Page 38: Tires

    Section 6 6.9 TIRES 1. Park the machine on a flat, level surface, remove the check plug from the side of the gearbox. See Figure 6-7. Check the tire pressures after every 8 hours of operation or daily. Caster Wheels Flat-Free Drive Wheels 12 PSI...

  • Page 39: Section 7 - Illustrated Parts List

    Section 7 ILLUSTRATED PARTS LIST 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: • WS Light Kit (p/n 9611) •...

  • Page 40: Ws Impeller Drive Assembly

    Section 7 WS IMPELLER DRIVE ASSEMBLY Engine 22 23 Frame Frame Frame Frame...
  • Page 41 Section 7 WS IMPELLER DRIVE ASSEMBLY Ref. Ref. Part No. Description Part No. Description 483210 Pulley, Idler, 5” DIA 428047 LH Support Bar, Blower 463139 Blower Housing, With Decal 04112-06 Nut, Lock, Spiral Lock, 3/4-16 486266 Pulley, Blower, 6.95 DIA, Double Groove 427830 RH Support Bar, Blower 04003-23...

  • Page 42: Ws Impeller Assembly

    Section 7 WS IMPELLER ASSEMBLY...
  • Page 43 Section 7 WS IMPELLER ASSEMBLY Ref. Ref. Part No. Description Part No. Description 04030-05 Washer, Lock, 7/16”, Spring 486281 Outlet Adapter, Impeller Housing 04003-02 Bolt, Carriage, 1/4-20 x 3/4" 453039 Pivot Gear, Nozzle 04117-01 Nut, Lock, Elastic Stop With Flange 5/16-18 04117-03 Nut, Lock, Elastic Stop With Flange 1/4-20 04021-22...

  • Page 44: Ws Sheet Metal

    Section 7 WS SHEET METAL 3 3 3...
  • Page 45 Section 7 WS SHEET METAL Ref. Ref. Part No. Description Part No. Description 463139 Blower Housing, With Decals 484479 Spring (4.37A), Suspension Platform 04017-36 Bolt, 1/2-13 x 1", Serrated Flange 04003-23 Bolt, Carriage, 3/8-16 x 1" 481284 Bumper, Rubber (Brake Arm) 04019-04 Nut, 3/8-16, Serrated Flange 427252...

  • Page 46: Ws Steering Controls

    Section 7 WS STEERING CONTROLS...
  • Page 47 Section 7 WS STEERING CONTROLS Ref. Ref. Part No. Description Part No. Description 452841 Brake Paddle Weldment, LH 427189 Reference Bar 04001-32 Bolt, 3/8-16 x 1¼" 04019-03 Nut, Serrated Flange, 5/16-18 04117-02 Nut, Lock, Elastic Stop with Flange, 3/8-16 483504 Bearing, Spherical Flange 48100-30 Bushing, Bronze, .376 ID x .627 OD...

  • Page 48: Ws Fuel System

    Section 7 WS FUEL SYSTEM To Engine To Engine Purge Port...
  • Page 49 Section 7 WS FUEL SYSTEM Ref. Ref. Part No. Description Part No. Description 484246 Fuel Gauge Assy., 16-1/2" (Incl. #2) 48059-05 Clamp, Vapor Recovery Hose, 3/16" 484345 Hose, Vapor Recovery, 3/16" (order by inch) 484242 Seal, Fuel Gauge 484286 Fuel Cap, Tethered 463131 Fuel Tank Assy., Windstorm (Incl.

  • Page 50: Ws Hydraulics And Engine Components

    Section 7 WS HYDRAULICS AND ENGINE COMPONENTS 50 28...
  • Page 51 Section 7 WS HYDRAULICS AND ENGINE COMPONENTS Ref. Ref. Part No. Description Part No. Description 04063-28 Key, 1/4 x 1/4 x 3½" *486107 Engine, 37 BV-EFI 462946 Hydro Tank Assy., SVRII (Incl. #3,4,5,6,7,8) 04003-12 Bolt, Carriage, 5/16-18 x 3/4" 427867 Bracket, Anti-Rotation 481507 Insert, Filler Neck...

  • Page 52: Ws Electrical System

    Section 7 WS ELECTRICAL SYSTEM STARTER GROUND To Engine...
  • Page 53 Section 7 WS ELECTRICAL SYSTEM Ref. Part No. Description 484721 Tiger Eye, Cluster Gauge 485833 Switch, PTO Sealed 462069 Key Assy., w/Fob 486276 Control Cable, Air Direction 483533 Knob, Air Direction Control 481182 Indicator Light (EFI models only) 48017-04 Nut, Special 5/8-32 04011-14 Screw, 1/4-20 x 3/4", Taptite 04003-43...

  • Page 54: Ws Nozzle Electrical System

    Section 7 WS NOZZLE ELECTRICAL SYSTEM To “A” Terminal on Key Switch To Ground...
  • Page 55 Section 7 WS NOZZLE ELECTRICAL SYSTEM Ref. Part No. Description 463150 Control Panel w/Decals 486365 Switch, Plunger, Double Pole, Snap, Nozzle Limit 427991 Mounting Bracket, Relays 486353 Switch, Nozzle Direction 486282 Motor, Gear Drive 483013 Switch, Relay w/ Diode (6 Total) 486344 Wire Harness, Nozzle Control 04021-26...

  • Page 56: Ws Hydraulic Pump

    Section 7 WS HYDRAULIC PUMP...
  • Page 57 Section 7 WS HYDRAULIC PUMP Ref. Part No. Description HG72267 Kit, Housing HG72011 Kit, End Cap HG50641 Pin, .219 x 1.000 HG50969 Bolt, M8 X 1.25 mm HG54022 Gasket, Housing HG70622 Kit, Charge Pump HG72254 Kit, Charge Pump Bolts HG2513030 By-Pass Valve HG70620 Kit, Shaft...

  • Page 58: Replacement Decals And Information Plates

    Section 7 REPLACEMENT DECALS AND INFORMATION PLATES FORWARD REVERSE Avoid injury from burns - Shut off engine - Allow to cool several minutes - Remove cap slowly - Do not overfill EPACentroRLP / Q-08-027A 484377...
  • Page 59 Section 7 REPLACEMENT DECALS AND INFORMATION PLATES Ref. Part No. Description 483402 Decal, Warning - Belt Cover 482100 Decal, Traction Control 486339 Decal, Nozzle Tilt 486330 Decal, Front-Windstorm 486363 Decal, Danger-Blower 485403 Decal, Metalcraft - USA 486359 Decal, Housing-Front 486360 Decal, Housing-Side 486277 Decal, Instrument Panel...

  • Page 60: Ws Electrical Schematic

    Section 7 WS ELECTRICAL SCHEMATIC (shown with Key Off, PTO Off, Park Brake Applied, OPC Disengaged) Position PTO Switch Legend ON (UP) DOWN (OFF) Position Key Switch Legend G + M + A B + L + A START B + L + S SWITCH KEY SWITCH NOZZLE CONTROL...

  • Page 61: Ws Nozzle Control Harness

    Section 7 WS NOZZLE CONTROL HARNESS TO “A” TERMINAL ON KEY SWITCH MANUAL AUTO NOZZLE DIRECTION SWITCHES BLACK W/ORANGE STRIPE GREEN BLUE YELLOW BROWN BROWN ORANGE ORANGE ORANGE YELLOW W/RED STRIPE YELLOW W/BLK STRIPE ORANGE BLUE BLUE W/RED STRIPE YELLOW W/BLK STRIPE BLACK GROUND BLACK...

  • Page 62: Soft Start

    Section 7 SOFT START SOFT START MODULE MAIN WIRING HARNESS CLUTCH BLUE BLACK BLACK LIGHT BLUE ENGINE ADAPTER HARNESS TO ENGINE TO MAIN HARNESS WHITE BLACK W/ ORANGE STRIPE GRN W/WHT STRIPE...

  • Page 63: Limited Warranty - Commercial Equipment

    LIMITED WARRANTY - COMMERCIAL EQUIPMENT Any part of the Scag Windstorm blower manufactured by Scag Power Equipment and found, in the reasonable judgment of Scag, to be defective in materials or workmanship, will be repaired or replaced by an Authorized Scag Service Dealer without charge for parts and labor during the periods specified below.
  • Page 64 © 2019 Scag Power Equipment Division of Metalcraft of Mayville, Inc.

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