II PRO PLUS Snowplow #74750/75600/75610/76901/76974/76980

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OPERATIONAL TESTS AND FINAL ADJUSTMENTSFINAL INSPECTION AND ADJUSTMENTWARNINGKeep 8' clear of the blade when it is beingraised, lowered or angled. Do not standbetween the vehicle and blade or directly infront of the blade. If the blade hits or drops onyou, you could be seriously injured.1. Attach the snowplow to the vehicle mount. Withthe snowplow lowered to the ground and onlevel pavement, measure the dimension from theground to the center of the pivot bar cap screw.This dimension must be 9-3/4" to 11-1/4".2. With the snowplow attached and on the ground,place the stand arm in the lower position withthe lock pin engaged and with the stand shoefully retracted in the "UP" position. Measure thedistance from the ground to the bottom of thestand shoe. This distance should be 1-3/8" to2-1/8". The stand can be adjusted to achieve thisdimension by removing the roll pin and selectingthe proper hole in the stand stem. When the standheight is correct, cut and remove the spring tie.3. Final lift chain link adjustment must be made afterthe snowplow is assembled with the proper pivotplate confi guration. On a level surface, with thesnowplow on the ground and the lift ramfully collapsed, attach the chains to thelift arm hooks in the tightest possiblelink. This adjustment will provide foroptimum transport height, bladefl oat and stacking stop clearance. When the chaintension is correct, the A-frame will not contact thelift frame when the blade is fully raised.4. Check that the trip springs are adjusted correctlyby confi rming that the coils of the springs areseparated slightly.CAUTIONOvertightening springs will not increase bladetrip force and can damage the springs.5. Adjust the trip springs by loosening the bottomnuts and then tightening the top nuts until thecoils of the springs begin to separate (a piece ofpaper such as this instruction sheet should passbetween the second and third coils). Tighten thebottom nut against the trip spring brackets to lockin place.6. Fully raise the blade and verify that it does notblock the headlamp beams. If the blade blocks theheadlamp beams, lower the blade to the ground,collapse the lift ram and lengthen each chain byone link. Repeat this process, lengthening thechains by one link each time, until the blade doesnot block the headlamp beams.Roll Pin(againststand body)9-3/4" to 11-1/4"1-3/8" to 2-1/8"Lit. No. 49585, Rev. 02 14 December 1, 2011
OPERATIONAL TESTS AND FINAL ADJUSTMENTSVEHICLE LIGHTING CHECK1. Verify the operation of all vehicle front lightingprior to connecting the snowplow harness.2. Check the operation of the snowplow lights withsnowplow mounted to vehicle and all harnessesconnected.Turn signals and parking lampsParking lamps ON:• Both vehicle and snowplow parking lampsshould be ON at the same time.Driver-side turn signal ON:• Both vehicle and snowplow driver-side turnsignal lamps should fl ash at the same time.Passenger-side turn signal ON:• Both vehicle and snowplow passenger-sideturn signal lamps should flash at the same time.HeadlampsMove the vehicle headlamp switch to the"ON" position. Connecting and disconnecting thesnowplow lighting harness plug should switch thelights between vehicle and snowplow as follows:Snowplow lighting harness DISCONNECTED:• Vehicle headlamps should be ON.• Snowplow headlamps should be OFF.Snowplow lighting harness CONNECTED:• Snowplow headlamps should be ON.• Vehicle headlamps should be OFF.The dimmer switch should toggle headlampsbetween high and low beams. The high beamindicator on the dash should light when headlampsare placed in high beam.Daytime Running Lamps (DRLs)An operational check of the vehicle and snowplowDRLs will depend on the vehicle model, vehicleDRL system and type of Isolation Moduleinstalled. Due to the variations in the OEM DRLsystems and the different Isolation Moduleoptions available, checking the functionality of thesnowplow DRLs will depend on the type of moduleinstalled on the vehicle.With the headlamp switch OFF, activate thevehicle DRLs.Snowplow lighting harness DISCONNECTED:• Vehicle DRLs should be ON.• Snowplow headlamps should be OFF.Snowplow lighting harness CONNECTED andvehicle in DRL mode:• Check snowplow DRL function per the type ofIsolation Module installed.Refer to the Mechanic's Guide for information onthe Isolation Module DRL functions.Joystick Control or CabCommand ControlThe snowplow plugs do need to be connected tothe vehicle harness connectors. The control powerindicator light should light whenever the controlON/OFF switch and the ignition (key) switch areboth in the "ON" position.3. Connect all snowplow and vehicle harnesses.Raise the snowplow and aim the snowplowheadlamps according to the Snowplow HeadlampBeam Aiming Instructions included with theheadlamps, and any state or local regulations.4. Check the aim of the vehicle headlamps with thesnowplow removed.CAUTIONOn 2-plug electrical systems, plug coversshall be used whenever the snowplow isdisconnected. Vehicle Battery Cable is 12-voltunfused source.5. When the snowplow is removed from the vehicle,install plug covers on the vehicle battery cableand lighting harness. Insert the snowplow batterycable and lighting harness into the cable boot onthe snowplow.OWNER'S MANUAL PACKETIf the completed snowplow will be deliveredimmediately, the Owner's Manual should be reviewedwith and given to the purchaser according to thesnowplow checklist.If the snowplow is completed prior to delivery to thepurchaser, attach the Owner's Manual Packet to theelectrical cable of the cab control for safekeeping.Lit. No. 49585, Rev. 02 15 December 1, 2011
Page 5 and 6: SAFETYFIRE AND EXPLOSIONWARNINGGaso
Page 7 and 8: INSTALLATION INSTRUCTIONSPivot Plat
Page 9 and 10: INSTALLATION INSTRUCTIONSHYDRAULIC
Page 11 and 12: INSTALLATION INSTRUCTIONSHEADLAMPSW
Page 13: OPERATIONAL TESTS AND FINAL ADJUSTM

II PRO PLUS Snowplow #74750/75600/75610/76901/76974/76980

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