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TrynEx International, LLC, 531 Ajax Drive, Madison Heights, MI 48071‑2429 • www.snowexproducts.com
HDV™ Snowplow
8'6" and 9'6"
77770, 77780, 77775, 77785,
77870, 77870‑1, 77870‑3
Installation Instructions
Read this document before installing the
snowplow.
See your SnowEx
®
vehicle application recommendations before
installation. The Power Match selection
system has specific vehicle and snowplow
requirements.
A DIVISION OF DOUGLAS DYNAMICS, LLC
CAUTION
CAUTION
outlet/website for specific
July 15, 2020
Lit. No. 52592, Rev. 04
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Summary of Contents for Douglas Dynamics SnowEx HDV 77770
- Page 1 Installation Instructions CAUTION Read this document before installing the snowplow. CAUTION See your SnowEx outlet/website for specific ® vehicle application recommendations before installation. The Power Match selection system has specific vehicle and snowplow requirements. A DIVISION OF DOUGLAS DYNAMICS, LLC...
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Page 2: Safety Definitions
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 3: Safety Precautions
SAFETY SAFETY PRECAUTIONS HYDRAULIC SAFETY Improper installation and operation could cause WARNING personal injury and/or equipment and property damage. Hydraulic fluid under pressure can cause skin Read and understand labels and the Owner's Manual injection injury. If you are injured by hydraulic before installing, operating, or making adjustments. -
Page 4: Battery Safety
SAFETY FIRE AND EXPLOSION NOISE Airborne noise emission during use is below 70 dB(A) WARNING for the snowplow operator. Gasoline is highly flammable and gasoline vapor is explosive. Never smoke while VIBRATION working on vehicle. Keep all open flames away from gasoline tank and lines. Wipe up Operating snowplow vibration does not exceed any spilled gasoline immediately. -
Page 5: Installation Instructions
INSTALLATION INSTRUCTIONS UNPACKING AND REMOVING SHIPPING Remove and discard the shipping brackets and the two cap screws and locknuts from the lift BRACKETS cylinder. 1. Set aside the blade guides and parts bags. The vehicle electrical harnesses and Owner's Manual Remove and discard packet are in the bag with the headlamp box. - Page 6 INSTALLATION INSTRUCTIONS T‑FRAME HOLE POSITION T‑FRAME TO HEADGEAR IMPORTANT! Before assembling headgear to 1. Position the T‑frame between the headgear strut T‑frame, measure the vehicle mount height to and inner ear, aligning the appropriate T‑frame confirm whether standard receivers or tall receivers and headgear holes selected from the Hole are required, and which T‑frame and headgear holes Position table.
- Page 7 INSTALLATION INSTRUCTIONS T‑FRAME TO BLADE ASSEMBLY 4. Move the snowplow into a normal operating position. 1. Remove the blade wings from the crate. Remove 5. Remove the protective packaging from the angle the four shipping straps, then replace the cutting rams.
- Page 8 INSTALLATION INSTRUCTIONS 8. Install the center snow deflector using two 9. Install the blade guides with 5/16" x 1" cap screws 3/8" x 2" cap screws and 3/8" locknuts. and 5/16" locknuts, as shown. Center Snow Deflector Blade Guide 5/16" Locknuts 3/8"...
- Page 9 INSTALLATION INSTRUCTIONS HEADLAMPS From inside the headlamp channel, insert the cable tie anchors into the holes as shown. The anchor locking tabs should be horizontal. WARNING Your vehicle must be equipped with snowplow headlamps and directional lights. Cable Tie Headlamps, hardware, and instructions are found in Grommet Anchors the headlamp box.
- Page 10 INSTALLATION INSTRUCTIONS HYDRAULIC UNIT AND HOSE BRACKET WARNING INSTALLATION To prevent accidental movement of the blade, always turn the control OFF whenever the WARNING snowplow is not in use. The power indicator light will turn OFF. Keep 8' clear of the blade when it is being raised, lowered, or angled.
- Page 11 OPERATIONAL TEST AND FINAL ADJUSTMENTS 5. Adjust the position of the hose brackets so that Turn the control ON and raise and lower the the hoses loop out and away from the center of snowplow several times. With the plow in the the T‑frame as shown in the photo below.
- Page 12 OPERATIONAL TEST AND FINAL ADJUSTMENTS BLADE DROP SPEED ADJUSTMENT FINAL INSPECTION AND ADJUSTMENT WARNING WARNING Keep 8' clear of the blade when it is being Keep 8' clear of the blade when it is being raised, lowered, or angled. Do not stand raised, lowered, or angled.
- Page 13 OPERATIONAL TEST AND FINAL ADJUSTMENTS CENTER CUTTING EDGES LUBRICATING THE PIVOT PIN HINGE The center cutting edge spacer plate is located on the Using a rubber-tipped seal-off coupler tip, apply a T‑frame below the pivot pin hinges. good quality multipurpose grease at the five grease points along the center pivot pin hinge.
- Page 14 OPERATIONAL TEST AND FINAL ADJUSTMENTS VEHICLE LIGHTING CHECK With the headlamp switch OFF, activate the vehicle DRLs. 1. Verify the operation of all vehicle front lighting Snowplow lighting harness DISCONNECTED: prior to connecting the snowplow harness. • Vehicle DRLs should be ON. •...
- Page 15 OPERATIONAL TEST AND FINAL ADJUSTMENTS Lit. No. 52592, Rev. 04 July 15, 2020...
- Page 16 Do not exceed vehicle ratings with a snowplow. TrynEx International offers a limited warranty for all snowplows and accessories. See separately printed page for this important information. The following are registered ( ® or unregistered (™) trademarks of Douglas Dynamics, LLC: Automatixx , HDV™, SnowEx ®...
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