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TrynEx International, LLC, 531 Ajax Drive, Madison Heights, MI 48071-2429 • www.snowexproducts.com
RDV™ Snowplow
77790, 77795, 77890-3
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
May 1, 2020
Lit. No. 74912, Rev. 00
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Table of Contents
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Summary of Contents for SnowEx RDV 77790
- Page 1 RDV™ Snowplow 77790, 77795, 77890-3 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
8 feet of a moving blade. A moving or falling blade could cause personal FUSES injury. The SnowEx electrical and hydraulic systems ® contain several automotive-style fuses. If a problem WARNING should occur and fuse replacement is necessary,... -
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 6. While supporting the headgear, remove and discard the self-tapping screws. BRACKETS Remove and retain 1. Set aside the blade guides and parts bags. The 3/4" x 3-1/4" clevis pins vehicle electrical harnesses are in the headlamp (both sides). - Page 6 INSTALLATION INSTRUCTIONS T-FRAME HOLE POSITION T-FRAME TO HEADGEAR IMPORTANT! Before assembling the headgear to the 1. Position the T-frame between the headgear strut T-frame, the T-frame hole position must be determined and inner ear, aligned with the appropriate T-frame using the following procedure. (If the truck is not hole.
- Page 7 INSTALLATION INSTRUCTIONS 4. If the T-frame was installed into hole 1, install the stacking stops using the 3/8" x 1-1/4" cap screws and 3/8" locknuts from the parts bag. NOTE: Failure to install stacking stops when required will result in blade, lift arm, or headgear damage.
- Page 8 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 9 INSTALLATION INSTRUCTIONS 8. Install the center snow deflector using two 3/8" x 1-1/2" cap screws and 3/8" locknuts. Snow Deflector 3/8" x 1-1/2" Cap Screw 3/8" Locknut 9. Install the blade guides with 5/16" x 1" cap screws and 5/16" locknuts, as shown. Blade Guide 5/16"...
- Page 10 OPERATIONAL TEST AND FINAL ADJUSTMENTS 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. Headlamps, hardware, and instructions are found in Cable Tie Grommet...
- Page 11 OPERATIONAL TEST AND FINAL ADJUSTMENTS HEIGHT ADJUSTMENT AND T-FRAME 3. While depressing the stand, move the attach/detach lever rearward into the detach BLOCKING position to lock the stand into the down position. 1. Park the vehicle on a flat, level surface. Install the 4.
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Page 12: Hydraulic Unit
With the snowplow wings and lift ram fully Breather retracted, the fluid level should be 1-1/2"–2" below the fill hole. If additional fluid is needed, add SnowEx Rapid Action Hydraulic Fluid to ® –40°F (–40°C), or other fluid conforming to... - Page 13 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 14 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 15 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. • Snowplow headlamps should be OFF. 2.
- 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 , RDV™, SnowEx ® ® Printed in U.S.A.
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