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Blizzard 7600LT Owner's Manual

Straight blade snowplows
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May 1, 2021
Lit. No. 40595, Rev. 05
Straight Blade Snowplows
Models 7600LT & 8000LT
Owner's Manual
CAUTION
Read this manual before operating or
servicing snowplow.
This manual supersedes all editions with an earlier date.
A DIVISION OF DOUGLAS DYNAMICS, LLC

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  • Page 1 May 1, 2021 Lit. No. 40595, Rev. 05 Straight Blade Snowplows Models 7600LT & 8000LT Owner's Manual CAUTION Read this manual before operating or servicing snowplow. This manual supersedes all editions with an earlier date. A DIVISION OF DOUGLAS DYNAMICS, LLC...

  • Page 3: Snowplow Owner Data Sheet

    SNOWPLOW OWNER DATA SHEET Register your snowplow online at www.blizzardplows.com Owner Name: ______________________________________________________________________________ Date Purchased: ____________________________________________________________________________ Outlet Name: _______________________________________________ Phone: _________________________ Outlet 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: ________________________________________________________________________...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS SNOWPLOW OWNER DATA SHEET ..... 3 REMOVING SNOWPLOW FROM VEHICLE & STORAGE ............28 PREFACE ..............7 MAINTENANCE ............30 SAFETY ..............8 Aiming Headlamp Beams ........30 VEHICLE APPLICATION INFORMATION ... 11 Preseason Check..........31 Ballast Requirements .......... 11 Postseason Maintenance........
  • Page 6 Lit. No. 40595, Rev. 05 May 1, 2021...

  • Page 7: Preface

    PREFACE PREFACE AUTHENTIC PARTS AND ACCESSORIES Congratulations on purchasing the fi nest straight Your BLIZZARD snowplow is a valuable investment. blade snowplow available! BLIZZARD straight The best way to assure original equipment reliability ® blades are clearing new trails for innovative design, and effi...

  • Page 8: 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 and instruction labels on the back of that, if not avoided, could result in death or the blade. serious personal injury.
  • Page 9 Failure to do this could result in serious personal injury. FUSES WARNING The BLIZZARD electrical and hydraulic systems Do not exceed GVWR or GAWR including the contain several automotive-style fuses. If a problem blade and ballast. The rating label is found on should occur and fuse replacement is necessary, the driver-side vehicle door cornerpost.
  • Page 10 SAFETY FIRE AND EXPLOSION BATTERY SAFETY WARNING CAUTION Gasoline is highly fl ammable and gasoline Batteries normally produce explosive gases, vapor is explosive. Never smoke while which can cause personal injury. Therefore, working on vehicle. Keep all open fl ames do not allow fl...

  • Page 11: Vehicle Application Information

    If ballast is required, it is important that it be secured the following: properly behind the rear axle. A ballast retainer kit is available from your BLIZZARD outlet, PN 62849. • The vehicle with the snowplow installed must comply with applicable Federal Motor Vehicle NOTE: The ballast retainer kit is for snowplow Safety Standards (FMVSS).

  • Page 12: Getting To Know Your Snowplow

    GETTING TO KNOW YOUR SNOWPLOW SNOWPLOW HEADLAMPS VEHICLE MOUNT Blizzard has designed custom mounts for most WARNING vehicles. Due to diff erences among vehicle models, Your vehicle must be equipped with snowplow mounts are generally not interchangeable. headlamps and directional lights.

  • Page 13: Hydraulic System

    OFF. For hydraulic fl uid type and fi lling instructions, see Hydraulic System, Annual Fluid Change, in the Maintenance section of this Owner's Manual. BLIZZARD snowplows come equipped with one of ® two special controls: the POWER GRIP™ hand-held control or a joystick-style control.

  • Page 14: Accessories & Options

    BLIZZARD zinc-free hydraulic fl uid maintains its viscosity to temperatures as low as –40°F. BLIZZARD hydraulic fl uid is available by the quart, gallon, case, or 55-gallon drum. The emergency parts kit (PN 40589) includes the...
  • Page 15 fi nish to help keep your snowplow looking its best. NOTE: The ballast retainer kit is for snowplow Paint provided in 12-oz spray cans. vehicles requiring ballast. See your BLIZZARD outlet for the correct amount of ballast required. Include the weight of the retainer as part of the ballast requirement.

  • Page 16: Mounting Snowplow To Vehicle

    MOUNTING SNOWPLOW TO VEHICLE MOUNTING SNOWPLOW (ON) 5. Install both hitch pins. Hitch pin is fully engaged when pin handle is against the pin guide plate. WARNING Keep 8' clear of the blade when blade is being raised, lowered, or angled. Do not stand between the vehicle and blade or directly in front of blade.

  • Page 17: Operating Your Snowplow

    OPERATING YOUR SNOWPLOW STRAIGHT BLADE Power Indicator Float Light JOYSTICK SOLENOID CONTROL Light (red) (green) ON / OFF FLOAT WARNING RAISE To prevent accidental movement of the blade, ON/OFF always move the ON/OFF switch to OFF Switch whenever the snowplow is not in use. The (emergency power indicator light will turn OFF.
  • Page 18 OPERATING YOUR SNOWPLOW Control Lever Movement Control Functions From the center position, the control lever can be Raise, Lower, Float, Angle moved in one of four directions to control various movements of the snowplow blade. To change from Moving the control lever in straight lines up and down one movement of the blade to another, the control or from side to side on the control body will result in lever must be moved back to the center position...

  • Page 19: Power Grip™ Hand-Held Control

    OPERATING YOUR SNOWPLOW STRAIGHT BLADE POWER GRIP™ Float Light Power Indicator HAND-HELD CONTROL (green) Light (red) FLOAT ON/OFF WARNING To prevent accidental movement of the blade, RAISE ON/OFF always push the ON/OFF button to switch the Button control OFF whenever the snowplow is not in (emergency use.
  • Page 20 OPERATING YOUR SNOWPLOW Your snowplow is the most advanced and versatile A. Lowered or Floating straight blade on the market. The easy-to-use controls Pulling the joystick back, toward LOWER, or allow you to automatically adjust the snowplow blade pushing the LOWER button on the hand-held into an infi...

  • Page 21: Snowplow Headlamp Check

    OPERATING YOUR SNOWPLOW SNOWPLOW HEADLAMP CHECK DISC SHOE ADJUSTMENT With all electrical plugs connected, check the WARNING operation of vehicle and snowplow headlamps. Blade can drop unexpectedly. Place blade on stand assembly. Failure to do so could result Connecting and disconnecting the electrical plugs in serious personal injury.
  • Page 22 OPERATING YOUR SNOWPLOW 6. Reinstall the linchpin. Turn the vehicle ignition to the "ON" position and turn the control ON. Raise the blade slightly from the stand assembly or blocking. Turn the control OFF, and remove the stand assembly or blocking. 8.

  • Page 23: Hydraulic System

    OPERATING YOUR SNOWPLOW HYDRAULIC SYSTEM Blade Drop Speed Adjustment Breather The hydraulic unit's valve manifold includes relief Motor valves to prevent damage to the blade or vehicle if either end of the blade hits an obstacle. The valves are preset at the factory and do not need any adjustments unless the valve manifold is serviced.

  • Page 24: Blade Drop Speed Adjustment

    OPERATING YOUR SNOWPLOW BLADE DROP SPEED ADJUSTMENT 2. Lower the blade to the ground before making adjustment. WARNING 3. Turn the needle valve inward (clockwise) to decrease the drop speed. Turn the needle valve Keep 8' clear of the blade when blade is being raised, lowered, or angled.

  • Page 25: Transporting Snowplow

    OPERATING YOUR SNOWPLOW TRANSPORTING SNOWPLOW DRIVING AND PLOWING ON SNOW AND ICE WARNING WARNING Position blade so it does not block headlamp Drinking then driving or plowing is very beam. Do not change blade position while dangerous. Your reflexes, perceptions, traveling.

  • Page 26: Plowing Snow

    OPERATING YOUR SNOWPLOW PLOWING SNOW Hard-Packed Snow 1. Raise the disc shoes so that the cutting edge WARNING comes into direct contact with the pavement. Never plow snow with head out the vehicle window. Sudden stops or protruding objects 2. Use lowest gear to place maximum power behind could cause personal injury.

  • Page 27: Clearing Driveways

    OPERATING YOUR SNOWPLOW Clearing Driveways PARKING WITH SNOWPLOW ATTACHED 1. Head into the driveway with the blade angled and WARNING plow the snow away from any buildings. Widen Lower blade when vehicle is parked. Keep driveway by rolling snow away from any buildings. 8' clear of the blade.

  • Page 28: Removing Snowplow From Vehicle & Storage

    REMOVING SNOWPLOW FROM VEHICLE & STORAGE REMOVING SNOWPLOW (OFF) 4. Pull and lower the stand until stand pin seats into lower hole on the A-frame and stand and light tower side plates contact. WARNING Keep 8' clear of the blade when blade is being raised, lowered, or angled.
  • Page 29 REMOVING SNOWPLOW FROM VEHICLE & STORAGE CAUTION On 2-plug electrical systems, plug covers shall be used whenever snowplow is disconnected. Vehicle battery cable is 12V unfused source. 8. Unplug electrical harnesses. NOTE: After each use of the snowplow, reapply dielectric grease to the electrical plugs to maintain the protective coating on the terminals.

  • Page 30: Maintenance

    MAINTENANCE AIMING HEADLAMP BEAMS e. Check functioning of any automatic vehicle leveling systems and specifi c manufacturer's instructions pertaining to vehicle preparation Tighten headlamp fasteners to 45 ft-lb once correct for headlamp aiming. visual aim is achieved. Clean lenses. 1. Place vehicle on a level surface 25 feet in front of a matte-white screen, such as a garage door.

  • Page 31: Preseason Check

    MAINTENANCE PRESEASON CHECK POSTSEASON MAINTENANCE NOTE: Coat all electrical connections with WARNING dielectric grease. Lower blade when vehicle is parked. Keep 8' clear of the blade. Temperature changes • Clean and paint blade and components as could change hydraulic pressure, causing needed.

  • Page 32: Maintenance And Adjustment

    BLIZZARD white or black paint (available in Check the following before and frequently during the aerosol or quart cans). plowing season: 1.

  • Page 33: Stand Height Adjustment

    MAINTENANCE STAND HEIGHT ADJUSTMENT 3. Loosen the stand fasteners. Adjust the stand length so that the bottom of the stand shoe is 1/4" above the ground. 1. Measure the height at the center of the mount adapter hitch pin hole. 4.

  • Page 34: Hydraulic System

    MAINTENANCE HYDRAULIC SYSTEM 5. Turn control ON. Raise and lower the blade to reposition the draw latch. Fluid Level For fl uid recommendations, see the following Annual Fluid Change section. CAUTION Do not mix diff erent kinds of hydraulic fl uid. Annual Fluid Change Some fl...

  • Page 35: Air Removal

    10. With the lift ram fully retracted, fi ll the reservoir through the fi ll hole until the fl uid is 1" from the top of the reservoir. Use BLIZZARD Rapid Action Hydraulic Fluid ® rated to –40°F (–40°C) or other fl uid conforming to Military Specifi...

  • Page 36: Hose Or Fitting Replacement

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

  • Page 37: Fuse Replacement

    FUSE REPLACEMENT EMERGENCY PARTS/TOOLS The vehicle control harness contains two We suggest that you keep a BLIZZARD emergency automotive-style fuses. The snowplow control and parts kit (PN 40589) in your vehicle. These kits contain park/turn power are both covered by a 10A fuse. The BLIZZARD hydraulic fl...

  • Page 38: Technical Specifications

    * Weight does not include undercarriage or mount adapter. ** Amperage Draw specifi cations are based on snowplow lift operation, at a shop temperature of 65°F, using BLIZZARD Rapid Action Hydraulic Fluid. Amperage will vary with temperature, fl uid ®...

  • Page 39: Harness Diagrams

    HARNESS DIAGRAMS CAUTION On 2-plug electrical systems, plug covers shall be used whenever snowplow is disconnected. Vehicle Battery Cable is 12-volt unfused source. Lit. No. 40595, Rev. 05 May 1, 2021...
  • Page 40 Copyright © 2021 Douglas Dynamics, LLC. All rights reserved. This material may not be reproduced or copied, in whole or in part, in any printed, mechanical, electronic, fi lm, or other distribution and storage media, without the written consent of Blizzard. Authorization to photocopy items for internal or personal use by Blizzard outlets or snowplow owner is granted.

This manual is also suitable for:

8000lt

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