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Western Products, PO Box 245038, Milwaukee, WI 53224-9538 • www.westernplows.com
March 15, 2019
Lit. No. 78532, Rev. 02
DEFENDER™ Compact Plow
Owner's Manual
Original Instructions
CAUTION
Read this document before operating or
servicing snowplow.
This manual supersedes all editions with an earlier date.
A DIVISION OF DOUGLAS DYNAMICS, LLC

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Summary of Contents for Western DEFENDER Compact Plow

  • Page 1 Western Products, PO Box 245038, Milwaukee, WI 53224-9538 • www.westernplows.com March 15, 2019 Lit. No. 78532, Rev. 02 DEFENDER™ Compact Plow Owner's Manual Original Instructions CAUTION Read this document before operating or servicing snowplow. This manual supersedes all editions with an earlier date.
  • Page 2 Lit. No. 78532, Rev. 02 March 15, 2019...
  • Page 3 OWNER INFORMATION Register your snowplow online at www.westernplows.com Owner Name: ______________________________________________________________________________ Date Purchased: ____________________________________________________________________________ Dealer Name: ______________________________________________ Phone: _________________________ Dealer Address: _____________________________________________________________________________ Vehicle Model/Year: _________________________________________________________________________ Snowplow Model/Year: _______________________________________________________________________ Snowplow Type/Size: ______________________________________________ Weight: ______________ lb/kg Ballast: No ___ Yes ___ Amount: ___________lb/kg Hydraulic Unit Serial Number: __________________________________________________________________ Blade Serial Number: ________________________________________________________________________ Lit.
  • Page 4 Lit. No. 78532, Rev. 02 March 15, 2019...
  • Page 5: Table Of Contents

    TABLE OF CONTENTS PREFACE ..............6 SECURITY GUARD™ System Operation ..16 SAFETY ..............7 Smooth Stop ............18 Safety Defi nitions ..........7 One-Touch Float ..........18 Warning/Caution and Instruction Labels ....7 Blade Positions ........... 19 Safety Precautions ..........8 Snowplow Headlamp Check .......
  • Page 6: Preface

    PREFACE This manual has been prepared to acquaint you with When service is necessary, bring your snowplow to the safety information, operation, and maintenance of your local outlet. They know your snowplow best and your new snowplow. Please read this manual carefully are interested in your complete satisfaction.
  • Page 7: Safety

    SAFETY SAFETY DEFINITIONS WARNING/CAUTION AND INSTRUCTION LABELS WARNING Become familiar with and inform users about the Indicates a potentially hazardous situation warning/caution, serial number, and instruction labels that, if not avoided, could result in death or on the back of the blade. serious personal injury.
  • Page 8: Safety Precautions

    SAFETY SAFETY PRECAUTIONS HYDRAULIC SAFETY Follow all safety and operating instructions in WARNING your truck's owner's manual. Hydraulic fl uid under pressure can cause skin injection injury. If you are Improper installation and operation could cause injured by hydraulic fl uid, get medical personal injury, and/or equipment and property attention immediately.
  • Page 9: Personal Safety

    DEFENDER™ Compact Plow the vehicle. The most important thing you can do 7' 2" DEFENDER Compact Plow to prevent a crash is to avoid distractions and pay attention to the surroundings. Wait until it is safe to operate Mobile Communication Equipment such as cell phones, text messaging devices, pagers, or two-way radios.
  • Page 10: Getting To Know Your Snowplow

    Federal Motor Vehicle vehicles requiring ballast. See your Safety Standards (FMVSS). WESTERN outlet for the correct amount of ballast required. Include the weight of the retainer as • The vehicle with the snowplow installed must part of the ballast requirement. Sand bags are comply with the vehicle manufacturer's stated recommended for use as ballast.
  • Page 11: Snowplow Components

    The snowplow is ready and easy to mount when you need to plow snow. When Replacement parts are available through your local plowing is completed, remove the snowplow. WESTERN outlet. ® NIGHTHAWK™ SNOWPLOW HEADLAMPS VEHICLE MOUNT KIT WARNING Mount kits have been designed for most vehicles.
  • Page 12: Hydraulic Unit

    GETTING TO KNOW YOUR SNOWPLOW HYDRAULIC UNIT CONTROLS The hydraulic system gives you full control of the WARNING snowplow from the driver's seat. Two single-acting To prevent accidental movement of the blade, hydraulic rams hold the blade at the desired angle. always turn the control OFF whenever the snowplow is not in use.
  • Page 13: Mounting Snowplow To Vehicle

    MOUNTING SNOWPLOW TO VEHICLE ATTACHING THE SNOWPLOW WARNING Stand Handle Keep 8' clear of the blade when it is being raised, lowered, or angled. Do not stand between vehicle and blade or directly in front Stand of the blade. If the blade hits or drops on you, Stand Lock you could be seriously injured.
  • Page 14: Operating Your Snowplow

    OPERATING YOUR SNOWPLOW HAND-HELD CONTROL Automatic Shutdown The control will automatically turn OFF after being WARNING idle for 20 minutes. To reactivate the control after a To prevent accidental movement of the blade, shutdown, press the ON/OFF button. always push the ON/OFF button to switch the control OFF whenever the snowplow is not in Smooth Stop use.
  • Page 15: Joystick Control

    OPERATING YOUR SNOWPLOW JOYSTICK CONTROL Function Time-Outs 1. Turn the vehicle ignition switch to the "ON" or All control functions, except LOWER/FLOAT, time out "ACCESSORY" position. (stop) automatically after a period of time. This is to limit the amount of electrical energy required from the vehicle.
  • Page 16: Security Guard™ System Operation

    OPERATING YOUR SNOWPLOW SECURITY GUARD™ SYSTEM OPERATION 4. Once a 4-digit security code is established, the SECURITY GUARD system will recognize any control that has been programmed with the same Activation & Establishing a 4-digit security code. If a control not programmed 4-Digit Security Code with the correct 4-digit security code is connected to the system, the established security code will...
  • Page 17 OPERATING YOUR SNOWPLOW Clearing an Established 4-Digit Additional Notes Security Code • The SECURITY GUARD system requires any control (other than the one with the assigned 1. Turn the vehicle ignition switch to the "ON" or 4-digit security code) to enter the security "ACCESSORY"...
  • Page 18: Smooth Stop

    OPERATING YOUR SNOWPLOW SMOOTH STOP ONE-TOUCH FLOAT Smooth stop, or "soft" stop, allows the blade to coast One-touch FLOAT immediately activates the FLOAT to a stop when the button/lever is released. The mode and releases the blade to the ground, without result is smoother operation, reduction in shock to the having to hold the button or lever in LOWER.
  • Page 19: Blade Positions

    OPERATING YOUR SNOWPLOW BLADE POSITIONS SNOWPLOW HEADLAMP CHECK The compact plow can be used in these plowing With all electrical plugs connected, check the positions: operation of vehicle and snowplow headlamps. Straight Blade Lights Results Both vehicle and snowplow lamps Use straight blade for wide-path plowing or stacking snow.
  • Page 20: Blade Drop Speed Adjustment

    OPERATING YOUR SNOWPLOW BLADE DROP SPEED ADJUSTMENT TRANSPORTING THE SNOWPLOW WARNING WARNING Keep 8' clear of the blade when it is being Position the blade so that it does not block raised, lowered, or angled. Do not stand the vehicle headlamp beams. between vehicle and blade or directly in front Do not change blade position while traveling.
  • Page 21: Driving And Plowing On Snow And Ice

    OPERATING YOUR SNOWPLOW DRIVING AND PLOWING ON SNOW PLOWING SNOW AND ICE WARNING WARNING Never plow snow with head out the vehicle window. Sudden stops or protruding objects Drinking then driving or plowing is very could cause personal injury. dangerous. Your refl exes, perceptions, attentiveness, and judgment can be affected by even a small amount of alcohol.
  • Page 22: Parking With Snowplow Attached

    OPERATING YOUR SNOWPLOW Hard-Packed Snow Clearing Parking Lots 1. On blades equipped with a shoe kit, raise the 1. Clear areas in front of buildings fi rst. With the anti-wear shoes so that the cutting edge comes blade raised, drive up to the building. Drop the into direct contact with the pavement.
  • Page 23: Checking Hydraulic Fluid Level

    OPERATING YOUR SNOWPLOW CHECKING HYDRAULIC FLUID LEVEL Breather/Fill Plug Reservoir CAUTION Do not mix different types of hydraulic fl uid. Some fl uids are not compatible and may cause performance problems and product damage. 1. Park the vehicle on a hard, level surface and lower the blade to the ground.
  • Page 24: Detaching Snowplow From Vehicle

    DETACHING SNOWPLOW FROM VEHICLE DETACHING THE SNOWPLOW WARNING Keep 8' clear of the blade when it is being 1/2" x 4" Pins Stand raised, lowered, or angled. Do not stand with Cotters Lock Pin between vehicle and blade or directly in front of the blade.
  • Page 25: Maintenance

    MAINTENANCE AIMING HEADLAMP BEAMS c. Check springs for sag or broken leaves. d. Check the functioning of any automatic vehicle Tighten headlamp fasteners to 22 ft-lb, or 30 N·m, leveling systems and specifi c manufacturer's once correct visual aim is achieved. instructions pertaining to vehicle preparation for headlamp aiming.
  • Page 26: Preseason Check

    MAINTENANCE Your snowplow is designed for rugged, dependable • Install auxiliary and fl ashing lights for compliance service. However, like the vehicle on which it is and visibility in accordance with local regulations. mounted, it needs regular care and maintenance. •...
  • Page 27: Postseason Maintenance

    MAINTENANCE POSTSEASON MAINTENANCE STORAGE • Clean and paint blade and attachments as needed. Your snowplow is designed to be moved into a storage location using your vehicle and plow attachment • Coat ram rods with general purpose petroleum system. For easier reattachment, store the snowplow grease.
  • Page 28: Hydraulic System

    MAINTENANCE HYDRAULIC SYSTEM Breather/Fill Plug Annual Fluid Change Reservoir CAUTION Change the fl uid at the beginning of each plowing season. Failure to do this could result in condensation buildup during the non-plowing season. CAUTION Do not mix different types of hydraulic fl uid. Some fl...
  • Page 29: Hose Or Fitting Replacement

    MAINTENANCE Hose or Fitting Replacement Procedure for Installing Fittings and Hoses NOTE: Overtightening the JIC hose fi tting ends WARNING will result in a fractured fi tting. Lower the blade when the vehicle is parked. Keep 8' clear of the blade. Temperature DO NOT use thread sealant/tape on hydraulic hoses changes could change hydraulic pressure, or fi...
  • Page 30: Fuse Replacement

    MAINTENANCE VEHICLE NOTE: To view video demonstrations of several maintenance tasks, visit www.westernplows.com. The snowplow operating vehicle shall be maintained according to manufacturer's recommendations. FUSE REPLACEMENT Tire pressure shall be maintained according to manufacturer's recommendation. The vehicle control harness contains one 2A automotive-style mini fuse and the hydraulic unit RECYCLE contains two 4A automotive-style mini fuses.
  • Page 31: Emergency Parts/Tools

    MAINTENANCE EMERGENCY PARTS/TOOLS • 10" adjustable wrench • Medium screwdriver • Pliers • 4A and 2A automotive-style fuses • Funnel • 12V DC test light • Flashlight • 11/16" and 3/4" open-end wrenches • 1/4" ratchet, 6" extension, 5/16" socket •...
  • Page 32 Western Products outlets or snowplow owner is granted. Western Products reserves the right under its product improvement policy to change construction or design details and furnish equipment when so altered without reference to illustrations or specifi cations used. Western Products or the vehicle manufacturer may require or recommend optional equipment for snow removal.

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