Sno-Way 26V Series Installation & Owner'S Manual Download

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97102169A

INSTALLATION &

OWNER’S MANUAL

26V SERIES SNOW PLOW

WITH SERIAL NUMBERS AFTER:

26V100000

Sno-Way

®,

Down Pressure

and EIS

are registered trademarks of Sno-Way International, Inc.

ProControl

™

, MegaBlade

™

, V-Wing

™

, Revolution

™

and MaxAdjust

™

are trademarks of Sno-Way

International, Inc.

International

Summary of Contents for 26V Series

Page 1: ...OW PLOW WITH SERIAL NUMBERS AFTER 26V100000 Sno Way Down Pressure and EIS are registered trademarks of Sno Way International Inc ProControl MegaBlade V Wing Revolution and MaxAdjust are trademarks of Sno Way International Inc 2019 Sno Way International ...

Page 2: ...fore The Season Begins 20 Transporting Vehicle With Plow Attached 20 Plowing Like A Pro 21 Using The Down PressureTM DP Hydraulic System 21 Clearing Driveways 22 Clearing Parking Lots 22 TROUBLESHOOTING 23 Introduction 23 Troubleshooting Quick Reference General 23 Troubleshooting Guide 23 THEORY OF OPERATION 27 Hydraulic Controls 27 Electro Hydraulic Controls 27 Raise Mode of Operation 27 Lower Mo...

Page 3: ...r in the space provided below as a handy record for quick reference The Power Pack Serial Number is located on the Lower Light Lift Bar driver s side the blade serial number is located on one of the middle ribs of the blade These plates contain information that your Dealer needs to answer questions or to order replacement parts if needed for your unit We reserve the right to make changes or improv...

Page 4: ...ck the job site for terrain hazards obstructions and people NEVER exceed 10 m p h when plowing Excessive speed may cause serious injury and damage of equipment and property if an unseen obstacle is encountered while plowing ALWAYS position blade so it does not block path of headlamps beam Do not change blade positions while traveling An incorrect plow position blocking headlamp beam may result in ...

Page 5: ...rminal of the battery and re connect the negative battery terminal 9 Spray all terminal connections with a battery terminal protective coating 10 Secure harness with plastic tie straps 11 Install truck control harness if needed using instructions included with controls 12 Remove the main light harness from the power pack carton Route the harness from the headlights to the front of the truck and th...

Page 6: ...ay leak from the breather 3 Set a frame tower assembly lower hitch pins into slots on truck subframe See Figure 1 4 Figure 1 4 4 Plug in power and control harness and rotate light lift bar into position Lock in place by rotating cam handles Adjust A frame tower assembly level using plow control 5 Once A frame is level turn off controller and disconnect the power See Mounting Snow Plow To Vehicle o...

Page 7: ... assembly with one 3 8 18 x 1 1 4 cap screw and 3 8 18 Locknut See Figure 1 7 10 Attach angle cylinder base to tower with a 5 8 x 2 7 8 clevis pin Insert cotter pins into clevis pins Attach angle cylinder rod to blade with a 1 2 13 x 2 1 2 cap screw and 1 2 13 locknut See Figure 1 8 Repeat for opposite angle cylinder Figure 1 8 11 Attach a plow marker to each wing as shown and secure using 5 16 x ...

Page 8: ...n adjusted to its lowest torque setting to avoid fastener damage Figure 1 13 16 Orientate hydraulic hoses as shown in Figure 1 10 NOTE Hydraulic hoses must be installed as shown in Figure 1 10 to avoid interference with the jackstand 17 Tighten all hydraulic hose fittings securely 18 Install pump cover by tillting pump cover forward sliding pump cover over front two tabs rotate cover back and and ...

Page 9: ... the bottom of the bracket with the slot in the plow light clamp See Figure 1 17 Figure 1 17 29 Install a 1 4 x 7 8 screw with 1 4 washer through each clamp and light bar and loosely secure with a 1 4 20 nut See Figure 1 18 Figure 1 18 30 Apply dielectric grease to all light harness connectors Connect the plow light harness with the black male connector to the driver side lamp and the plow light h...

Page 10: ...s to the straight position and lower plow to the ground 4 Turn Down Pressure ON 5 Swing wings forward to the scoop position with blade on ground 6 If the center wear strip begins to rise off of the floor stop moving the wings forward and turn the tilt adjustment cap screw out This will cause the tower to tilt back and towards the truck 7 Continue to move the wings forward scoop position until they...

Page 11: ...Figure 1 22 WARNING The power cable in front of the truck is wired directly to the battery The power cable is always energized even if the truck is turned off Always replace the protective cap after disconnecting the plow power cable Allowing an unprotected plug to contact metal parts of the truck may cause electrical component damage Never use a metal object to clean the plug contacts FAILURE TO ...

Page 12: ...are activated or tripped any time the circuit is being called upon to function while the headlight circuit is incomplete This means that if a headlight fails while the headlight is in operation the sensor will trip and the dashboard indicator will light up It also means that if a headlamp socket is left empty or a faulty lamp is installed and the circuit is then activated the sensor will trip and ...

Page 13: ...ake themselves aware of whatever circuit sensors may be installed on their vehicles Operators should further become familiar with their vehicle manufacturer s description of how their truck s sensors are actuated or tripped Finally operators should know whether predesignated failure limits may be engineered into their truck s sensors and what repair or replacement procedures are recommended should...

Page 14: ...parking brake 2 Disconnect the plow light connectors from the truck harness connectors See Figure 1 27 Figure 1 27 3 To prevent corrosion on the contacts plug the male and female connectors on the plow light harness together See Figure 1 28 Figure 1 28 4 To make the truck lights operable plug the male and female connectors on the truck light harness together See Figure 1 28 WARNING Always install ...

Page 15: ...power harness connectors and replace the protective storage caps to prevent corrosion on the contacts 13 Back truck away from plow WARNING Failure to reconnect the main light harness on the truck when removing plow will cause truck lights to not operate which could cause an accident Test lights before operating FAILURE TO FOLLOW CAN RESULT IN INJURY OR DEATH MOUNT HANDLE STRAIGHT OUT JACK STAND PI...

Page 16: ...ing clean and repaint exposed metal surfaces NEVER operate the equipment with the protective covers or guards removed Periodic Inspection After approximately every 20 hours of operation perform the following inspections procedures 1 Inspect the plow assembly including the sub frame assembly for any damage or excessive wear Replace parts as necessary 2 Inspect all fasteners Plow Truck Mount to ensu...

Page 17: ... Hydraulic fittings with lock nuts should be assembled with at least three full turns of the fitting in the port and then the lock nut should be tightened to 27 lb ft Hydraulic fittings with 37 degree flare end swivels should be torqued to 18 20 lb ft Hydraulic Cylinders To avoid corrosion during storage coat the exposed chrome portion of the lift and angle cylinders with a light grease Electrical...

Page 18: ...ylinder hoses from the fitting in the valve block Mark hoses before removal to be certain they are reinstalled in the correct location 7 Place the hoses in a container to catch oil expelled from cylinders Cycle the lift cylinder by disconnecting hitch pins and pushing and pulling on light bar Cycle wing cylinders by disconnecting from wing and pushing and pulling on cylinder rod CAUTION Using the ...

Page 19: ...ght or folded forward will give wrong reading 16 Refer to plow operation instructions and operate the plow to purge all air from the hydraulic system 17 Replenish the fluid in the reservoir until the fluid level registers full on oil level mark on oil reservoir 18 Operate system and check for leaks repair or tighten as necessary 19 Install the pump cover Cutting Edge Replacement NOTE Cutting edge ...

Page 20: ...r of the holes in mounting bracket or bending of the disk shoe stem IMPORTANT Snap lynch pin ring over so that it contacts the pin If ring does not contact lynch pin rotate the pin and reverse the direction of the ring If the ring does not contact the pin it is not locked and could fall out Trip Spring Adjustment Check the plow shoe adjustment as follows 1 Level the tower and wings See Blade Level...

Page 21: ... pivot pin Coat the wing pivot pin with a good quality light weight HP Lithium based grease 6 Check the reservoir oil level see maintenance instructions and repair any oil leaks and worn hoses 7 Inspect electrical connectors Make sure the contacts are clean and apply a small amount of dielectric grease 8 Install plow lights and ensure they are aimed properly with plow in full UP position 9 If ball...

Page 22: ...rmits Using The Down PressureTM DP Hydraulic System The Down PressureTM DP system was designed for removing hard packed snow from hard surfaces that have had traffic on them prior to being plowed The system should be turned OFF when plowing surfaces such as gravel dirt sand etc to prevent cutting into the surface being plowed Activating the system applies hydraulic pressure to the down side of the...

Page 23: ... lot for stacking 3 With the blade in scoop position push the snow plowed to the edge of the path to the edge of the lot and stack it in a pile 4 If the snow plowed to the edge of the path is too large to push the entire pile to the edge of the lot fill the blade in scoop position and then push the pile over into the cleared path and then to the edge of the lot Then return and with the blade in sc...

Page 24: ... leakage at cylinders hoses and power unit 6 Check the voltage at the coils which operate the solenoid valves to be sure that the voltage at the coils is a minimum of 10 5 volts DC CAUTION First read all warning instruction the safety messages and directions before attempting any adjustments or repairs to your unit TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Motor will not run F...

Page 25: ...make sure there in not magnetism on the E coil Remove the E valve and swap it with the F valve If the blade lifts your valve was stuck open Replace the valve Raise Valve C not functioning Check C coil for magnetism Remove the C valve and inspect Make sure the lower part of the calve moves free and there is no dibbers causing the valve to stick If stuck and cant be freed up replace valve Blade lift...

Page 26: ...ther coils replace the coil as well Piston seals leaking on raise cylinder Raise the plow up in the air and support the blade with a hydraulic floor jack Remove the hose off of the rod side of the lift cylinder Slowly lower the floor jack and watch to see what direction the fluid flows from the lift cylinder If the fluid sucks into the lift cylinder the seals are good If the fluid flows out of the...

Page 27: ...nt function replace coil Valve D or H sticking or stuck Remove D or H valve and swap out with the G valve If the wing now extends and retracts the valve needs to be cleaned or replaced Pilot check valve has debris or damaged piston wing will not retract Remove pilot check valve and inspect both cartridges and piston It the valve has external springs make sure they both are not damaged and installe...

Page 28: ... Controls All hydraulic functions are controlled by the 12VDC electrical system which actuates coils on the hydraulic valves and the solenoid for the electric motor of the power unit 12VDC power is fed from the battery post of the motor start solenoid to each coil and the plow control receiver Each valve is actuated by completing a circuit to ground through the coil and through the plow control re...

Page 29: ... relief valve which relieves excess pressure if the plow is forced up such as by a bump or obstacle in the roadway Once any obstacle is cleared the plow can return to a lower position lowering the pressure in the system If the pressure is lowered sufficiently the pressure switch will then sense the lowered pressure and cause the pump to pump fluid into the system and return it to the proper pressu...

Page 30: ... the controller will extend the right wing and retract the left wing to plow all snow to the left Operating this combination switch will energize the motor solenoid and both the D and G coils Each wing angling circuit is protected by a crossover relief valve set to relieve pressure on the wing angling circuit Each wing also has a relief valve that protects the wing when back dragging Fuse A 250 Am...

Page 31: ... F B D G H CK CHECK VALVE FLOAT DP VALVE PILOT CHECK PS PILOT CHECK DS E DP VALVE RETRACT VALVE PS RETRACT VALVE DS C RAISE VALVE A EXTEND VALVE DS EXTEND VALVE PS GP SYSTEM RELIEF 1750 PSI SCREEN 6 PLACES 12 VDC MOTOR PUMP RV6 WING RELIEF PS 2400 PSI RV2 WING RELIEF DS 2400 PSI XRV PS CROSSOVER RELIEF VALVE 2000 PSI XRV DS CROSSOVER RELIEF VALVE 2000 PSI UP PILOT CHECK DS PILOT CHECK PS ...

Page 32: ...ARNESS DUST CAPS PROCONTROL WIRED OPTION ONLY VEHICLE PIN 2 PIN 1 WHITE PIN 2 YELLOW PIN 3 GREEN PIN 4 BROWN PIN 3 PIN 4 PIN 1 PIN 4 PIN 3 PIN 2 PIN 1 PIN 1 WHITE PIN 4 BROWN PIN 3 GREEN PIN 2 YELLOW TRANSMITTER RECEIVER BROWN GREEN YELLOW WHITE HARNESS DUST CAPS PROCONTROL WIRED OPTION ONLY 10 COIL A DRIVE WING EXTEND COIL G DRIVE WING RETRACT COIL D PASS WING EXTEND COIL H PASS WING RETRACT 10 9...

Page 33: ...ressure functions are released by a UP function 3 Valve E must be deactivated for angle wing v and scoop functions C2 A E C G D F B H XRV RELIEF VALVE PS OUTLET PORT RV6 RELIEF VALVE DP RELIEF VALVE RV2 RELIEF VALVE C5 OUTLET PORT XRV RELIEF VALVE DS SYSTEM RELIEF VALVE CK VALVE CHECK C3 OUTLET PORT C4 OUTLET PORT C1 OUTLET PORT C6 OUTLET PORT ...

Page 34: ...33 MAIN WIRING HARNESS SCHEMATIC EIS Energy Interruption SystemTM ...

Page 35: ...a Dryb SIZE lb ft lb ft lb ft lb ft lb ft lb ft lb ft lb ft 8 32 14 19 22 30 31 42 10 24 21 27 32 43 45 60 1 4 2 8 3 5 4 5 5 5 7 9 10 12 5 5 16 5 5 7 9 11 15 18 21 26 3 8 10 13 16 20 26 33 36 46 7 16 16 20 26 32 41 52 58 75 1 2 25 31 39 50 63 80 90 115 9 16 36 45 56 70 90 115 130 160 5 8 50 62 78 100 125 160 160 225 3 4 87 110 140 175 225 280 310 400 7 8 140 175 140 175 360 450 500 650 1 210 270 2...

Page 36: ...35 NOTES ...

Page 37: ...36 NOTES ...

Page 38: ...perly Cylinders hoses and fittings DO NOT leak Listen for abnormal noises or vibrations Repair or replace as necessary The Power Unit is properly filled DELIVERY CHECKLIST The following checklist is to be accomplished with the customer present Place an X in the box after accomplishing each item on the checklist After giving the Customer his Owner s Manual instruct him to read it PRIOR to operating...

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Sno-Way 26V Series, Installation & Owner'S Manual

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