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Owner's Manual
Western Products, PO Box 245038, Milwaukee, WI 53224-9538 • www.westernplows.com
MIDWEIGHT™ Snowplow
Read this document before installing the
snowplow.
See your WESTERN
specifi c vehicle application recommendations
before installation. The Selection List has
specifi c vehicle and snowplow requirements.
Installation Instructions
CAUTION
CAUTION
®
outlet/Web site for
A DIVISION OF DOUGLAS DYNAMICS, L.L.C.
June 15, 2010
Lit. No. 64369, Rev. 04
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Summary of Contents for Western MIDWEIGHT
- Page 1 Western Products, PO Box 245038, Milwaukee, WI 53224-9538 • www.westernplows.com June 15, 2010 Lit. No. 64369, Rev. 04 MIDWEIGHT™ Snowplow Installation Instructions CAUTION Read this document before installing the snowplow. CAUTION See your WESTERN ® outlet/Web site for specifi c vehicle application recommendations before installation.
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Page 3: Safety Definitions
SAFETY SAFETY DEFINITIONS WARNING/CAUTION & INSTRUCTION LABELS WARNING Become familiar with and inform users about the Indicates a potentially hazardous situation warning/caution labels on the back of the blade and that, if not avoided, could result in death or the instruction label on the headgear. serious personal injury. -
Page 4: Safety Precautions
WARNING FUSES The driver shall keep bystanders clear of the The WESTERN electrical and hydraulic systems ® blade when it is being raised, lowered or angled. contain several blade-style automotive fuses. If Do not stand between the vehicle and the blade a problem should occur and fuse replacement is or within 8 feet of a moving blade. -
Page 5: Cell Phones
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 6 INSTALLATION INSTRUCTIONS SNOWPLOW ASSEMBLY WITH PRO PLUS BLADE ® Blade Guide MIDWEIGHT™ Blade Assembly (Steel Blade Shown) Lift Arm 5/8" Nuts Eyebolt 5/8" x 4" Bracket Eyebolt Upper Lift Frame Trip Spring 3/4" x 5-3/8" 3/4" Trip Stop Clevis Pin...
- Page 7 INSTALLATION INSTRUCTIONS QUADRANT TO BLADE A-FRAME TO QUADRANT 1. Lay the blade face down on some cardboard on 1. Place the A-frame nose plate over the quadrant the fl oor to protect the fi nish. pivot section. Secure with one 7/8" x 9" cap screw (pivot bolt), three fl...
- Page 8 INSTALLATION INSTRUCTIONS CHAIN TO A-FRAME PIVOT BAR TO A-FRAME 1. Use a hook or piece of wire to pull the end of the 1. Insert one end of pivot bar into rectangular slot chain through the plastic tube. The end link of the on one side of rear of A-frame as far as possible.
- Page 9 INSTALLATION INSTRUCTIONS PIVOT PLATES TO PIVOT BAR 2. Use dimension "d" from Step 1, and the following chart to determine the proper pivot plate mounting position and pivot hole selection. IMPORTANT! Before assembling pivot plates to ends of pivot bar, pivot plate orientation and pivot hole position must be determined using the following Pivot Plate Confi...
- Page 10 INSTALLATION INSTRUCTIONS 4. Before assembly, apply grease to the pivot pin Pivot Plate Mounting and Hole Positions holes in each end of the pivot bar and to each for Confi gurations 1 & 2 pivot pin. Pivot Plate A 5. Assemble the pivot plates to the ends of the pivot (Bevel Side Up) bar, using the appropriate plate orientation and hole position for the confi...
- Page 11 INSTALLATION INSTRUCTIONS PIVOT PLATES TO LOWER LIFT FRAME STAND SHOE WARNING 1. Install a 3/4" fl at washer onto a 3/4" x 6" cap screw and insert through the 3/4" hole in the lower lift The stand plunger spring is shipped frame from the inside.
- Page 12 Latch Hook FRAME 1. Position the upper lift frame above mounting 3/4" Locknut brackets on the lower lift frame with the WESTERN logo facing the front. ® 2. Slide the upper lift frame down onto mounting brackets and align holes.
- Page 13 INSTALLATION INSTRUCTIONS FloStat HYDRAULIC UNIT ® Lift Arm The FloStat hydraulic unit and mounting hardware are The lift arm and hardware are found in the A,Q&L box. found in the hydraulics box. 1. With chain hooks forward and up, position lift arm 1.
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Page 14: Procedure For Installing Hydraulic Fittings And Hoses
INSTALLATION INSTRUCTIONS Lift Ram Procedure for Installing Hydraulic Fittings and Hoses The 8" lift ram is found in the hydraulics box. The mounting hardware is found in A,Q&L box #2. Do not use any type of sealant or tape on the fi ttings or hoses. - Page 15 INSTALLATION INSTRUCTIONS Fittings and Hoses 3. Remove three large port plugs from the passenger's side of the hydraulic unit valve block and install 90° SAE O-ring fi ttings oriented down, The hydraulic fi ttings and hoses are found in the parallel with short edge of valve block.
- Page 16 INSTALLATION INSTRUCTIONS HEADLAMPS 9. Install the clamp base, double hose clamp, 5/16" washer and 5/16" locknut loosely on the weld stud on lower lift frame cross tube near lift Headlamps and hardware are found in the headlamp ram. box. Additional hardware (1-7/8" OD fl at washer) is found in the hydraulics box.
- Page 17 INSTALLATION INSTRUCTIONS SNOWPLOW CONTROL HARNESS Headlamp Harness NOTE: Dielectric grease has been applied to coil Black/Orange Wires terminals. DO NOT wipe off terminals. 1. With the harness strain relief located at lower rear corner of the valve block, attach a black/orange Grommet wire to each valve coil.
- Page 18 INSTALLATION INSTRUCTIONS SNOWPLOW BATTERY CABLE BLADE GUIDE ASSEMBLY Parts installed in this section are found in the Attach a blade guide to each outer rib using hydraulics box. 5/16" x 1" cap screws and locknuts as shown. 1. Attach black/red battery cable to the POSITIVE (+) motor stud on the hydraulic unit.
- Page 19 4. Fill the reservoir to the top of the fi ll hole and the instructions on the back of the blade. replace the fi ll plug. 2. Fill the reservoir with WESTERN High ® NOTE: Loosen fi ll plug slowly to relieve any Performance Hydraulic Fluid to –40°F (–40°C),...
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Page 20: Blade Drop Speed Adjustment
OPERATIONAL TESTS AND FINAL ADJUSTMENTS BLADE DROP SPEED ADJUSTMENT WARNING Keep 8' clear of the blade when it is being raised, lowered or angled. Do not stand Quill between the vehicle and blade or directly in front of the blade. If the blade hits or drops on you, you could be seriously injured. - Page 21 OPERATIONAL TESTS AND FINAL ADJUSTMENTS FINAL INSPECTION AND ADJUSTMENT in the tightest possible link. This adjustment will provide for optimum transport height, blade fl oat, and stacking stop clearance. When chain tension 1. Attach the snowplow to the vehicle mount. With is correct, the A-frame will not contact the lift snowplow lowered to the ground and on level frame when the blade is fully raised.
- Page 22 OPERATIONAL TESTS AND FINAL ADJUSTMENTS VEHICLE LIGHTING CHECK With 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 23 OPERATIONAL TESTS AND FINAL ADJUSTMENTS OWNER'S MANUAL PACKET If the completed snowplow will be delivered immediately, the Owner's Manual should be reviewed with and given to the purchaser according to the snowplow checklist. If the snowplow is completed prior to delivery to the purchaser, attach the Owner's Manual Packet to the electrical cable of the cab control for safekeeping.
- Page 24 Western Products or the vehicle manufacturer may require or recommend optional equipment for snow removal. Do not exceed vehicle ratings with a snowplow. Western Products offers a limited warranty for all snowplows and accessories.