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PICKUP TRUCK SNOWPLOW POLY MOLDBOARD TRIP EDGE PLOW Models 7802, 7902 OPERATOR’S MANUAL DO NOT USE OR OPERATE THIS EQUIPMENT UNTIL THIS MANUAL HAS BEEN READ AND THOROUGHLY UNDERSTOOD PART NUMBER 25012988...
Always obtain original Hiniker service parts. Substitute parts could adversely affect equip- ment performance and warranty. Check that your dealer has forwarded to Hiniker company the delivery report form along with the plow identification number because it helps to maintain maximum service and warranty ben- efits.
Replace these with genuine Hiniker parts. Operator safety is a principle concern in equip- ment design and distribution. However, many Escaping hydraulic oil under pressure can accidents occur because a few seconds of penetrate the skin, causing serious injury.
Operating Procedures OPERATING PROCEDURES ATTACHING THE PLOW Attachment prongs on the truck should be mounted such that the bottom edge of the prongs measure about 10 inches above the ground. Prong receivers on the plow frame should remain parallel to the ground and at the correct height by fully retracting the lift cylinder with the upper lift links before removing the plow from the truck (See “Removing the Plow”) Ide-...
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Operating Procedures 5 Check that the plow headlamps and turn signals NOTE: When removing the plow, remember to are operational, and headlamps are aimed cor- place the headlight switch in the “Truck” position rectly. Test the lift and angling cylinders in a safe to return power to the truck’s headlights.
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6 Operating Procedures PLOWING SNOW snow until a working area is cleared. Work small areas in multiple passes to push snow to outer WARNING: Always wear a seat belt edges. Generally, 6 inch snow can be plowed when plowing snow. Sudden contact with the entire blade width;...
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Operating Procedures 7 Retracting the lift cylinder will orient the prong receivers correctly for reattaching the plow later. Failure to retract the lift cylinder rod will allow the lift frame to fall forward, possibly causing personal injury or damage to plow components. Push Lift Frame Back DWG NO.
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8 Operating Procedures Disconnect the electrical connectors by pulling them straight out from the receptacles. Do not twist the connectors, twisting will damage the connector pins or the wiring harness. Place dust caps on connectors to prevent con- tamination. Disconnect Plugs DWG NO.
Trouble Shooting 9 TROUBLE SHOOTING GENERAL Check that wiring harness relay connec- tions are wired correctly Check to see that the motor is wired cor- rectly with tight connections, for the proper Check for external leakage at cylinders, voltage. hoses and power unit. Check reservoir oil level.
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Select Hiniker Cold Flow Hy- draulic Oil for plowing in ex- tremely cold temperatures Add hydraulic oil until chatter- 14. Pump chatters when raising Hydraulic oil low ing stops.
To prevent contamination always place dust caps on connectors when not in use. This is Select Hiniker Cold Flow Hydraulic Oil or an particularly important when the plow is being stored. A light coat of dielectric grease is recom-...
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If remov- al or replacement of these bolts is necessary, purchase new bolts with threadlocker from your Hiniker dealer, or apply a commercially available threadlock, i.e., Loctite 242 (blue) or Perma-Lok HM118 (red), to standard 5/16-18 X 3/4” grade 5...
Plow Assembly 13 PLOW ASSEMBLY GENERAL INFORMATION PLOW ASSEMBLY WARNING: To prevent personal injury Place moldboard face down on cardboard or death, be certain to keep clear of or other padding that will prevent scratches any parts that may drop when remov- in the paint.
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Plow Assembly Open the frame crate and set aside the Tip the moldboard and frame assembly to power unit box, headlamp boxes and parts their working position with a hoist or fork box for later. Carefully lift the frame assem- truck.
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Plow Assembly 15 Bolt through the upper set of bottom holes Pin the base of the cylinder between the in the upper links for most vehicles, then center lugs of the lift frame with the 3/4” x 3” secure the assembly with the 3/4 inch lock clevis pin.
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Plow Assembly Connect one hose to the fitting on the top of the power unit (Port C), then route the hose ahead of the lift frame tube before assem- bling to the fitting on the lift cylinder. DWG NO. 6484 Locate three 90 O-ring/flare adapters in the hardware bag.
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Plow Assembly 17 DWG NO. 6502 Refer to drawing 6502. Attach the ring ter- DWG NO. 6312B minal of the solid red (or red-striped) wire of the power cable assembly to the terminal Use plastic tie straps to band headlamp on the power unit at location 1.
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18 Plow Assembly DWG NO. 6699 Truck Battery On Passenger Side WARNING: Disconnect truck battery configured as a 12 volt system, then pro- before beginning electrical installation ceed to step 10. to avoid shock hazard. If the battery is located on the left (driver) The motor solenoid, underhood wiring harness, side of the vehicle, then the wiring harness power cable and joystick control box are located...
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Plow Assembly 19 DWG NO. 6700 Truck Battery On Driver Side CAUTION: Ensure that the relays will CAUTION: To prevent injury or prop- erty damage caused by unintentional clear any hood lift/spring mechanisms plow movement when the key is re- before installation.
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20 Plow Assembly DWG NO. 6701 14. Select an area within 16 inches of the vehicle battery for the motor solenoid. Using the so- lenoid as a template, mark and drill two 3/16 inch diameter holes then fasten the solenoid with two 1/4”...
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Connect the two electrical cables from the plow to their corresponding receptacles on the truck. Select Hiniker Cold Flow Hydraulic Oil or an equivalent oil that meets military specification 5606, for plowing in extremely cold tempera- tures. Pour hydraulic oil into the power unit oil res- ervoir until the reservoir is half full.
22 System Check-Out And Joystick Configuration SYSTEM CHECK-OUT backward and lowers the plow when the joystick is pushed forward. These functions can be reversed NOTE: The power cable and wiring harness must by reassembling the joystick switch and face plate. be connected between the snowplow and truck to test the functions of the headlights and power unit.
Headlamp Aiming Procedure 23 HEADLAMP AIMING PROCEDURE Refer to the following chart then mark a sec- ond horizontal line below the first (line 5), as Park the vehicle with the plow attached on a required. level surface 25 ft (7.6 m) from a flat, unob- structed light-colored wall.
INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGE OR DAMAGES OF ANY KIND FOR LOST PROFITS OR DELAY. If requested by Hiniker, products or parts for which a warranty claim is made are to be returned freight prepaid to our factory. Any improper use, operation beyond rated capacity, substitution of parts not approved by Hiniker Company, or any alteration or repair in such manner as in our judgment affects the product materially and adversely shall void this warranty.