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Western MVP PLUS Series User Manual

Western MVP PLUS Series
83 pages
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February 1, 2008
Lit. No. 27366, Rev. 01
MECHANIC'S GUIDEMECHANIC'S GUIDE
MECHANIC'S GUIDEMECHANIC'S GUIDE
MECHANIC'S GUIDE
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CAUTION
Read this manual before servicing the snowplow.

Table of Contents

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Western MVP PLUS Series Specifications

General IconGeneral
BrandWestern
ModelMVP PLUS Series
CategorySnow Blower
LanguageEnglish

Summary

Mechanic's Guide

Introduction

Preface

Provides an overview of the manual's purpose and service recommendations.

Recommended Tools

Lists essential tools for servicing Western snowplows.

Available Service Items

Lists specific part numbers for service components.

Safety Information

Safety Definitions

Defines WARNING, CAUTION, and NOTE labels used in the manual.

Warning/Caution and Instruction Labels

Explains the importance of understanding warning and instruction labels on the blade.

Mounting/Removing Plow Instructions

Provides step-by-step instructions for mounting and removing the snowplow.

Safety Precautions

Details essential safety precautions for operating and servicing the snowplow.

Hydraulic Safety

Highlights safety measures related to hydraulic fluid and system components.

Personal Safety

Covers personal safety practices for working on the snowplow.

Fire and Explosion

Warns about fire and explosion hazards, especially with gasoline.

Ventilation

Emphasizes the need for proper ventilation to avoid hazardous fumes.

Torque Chart

Provides recommended fastener torque values for assembly.

Battery Safety

Outlines safety precautions when working with vehicle batteries.

System Overview - Blade, T-Frame & Lift Assemblies

Snowplow Components

Identifies key components of the snowplow blade, T-frame, and lift assemblies.

Securing Pivot Bar to T-Frame

Details the procedure for securing the pivot bar to the T-frame.

Pivot Plates

Explains the mounting and hole positions for pivot plates based on vehicle receiver measurements.

Initial Stand Shoe Setup

Shows recommended starting positions for configuring stand shoes.

Stand Shoe Adjustment

Provides steps for adjusting stand shoe height for proper ground contact.

Cutting Edge Wear and Leveling Adjustment Procedure

Details how to adjust the cutting edge for even wear and optimal scraping.

Blade Spring Replacement Tool (PN 20043)

Provides instructions for using a special tool to replace blade trip springs.

Lift Arm and Lift Ram Installation

Illustrates the installation process for the lift arm and lift ram.

Headlamp Beam Aiming

Guides on how to properly aim snowplow headlamps for optimal visibility.

Vehicle Lighting Check

Details how to check vehicle and snowplow lights for proper operation.

MVP PLUS™ FloStat® Hydraulic System Specifications

System Capacity

Specifies the fluid capacity for the hydraulic reservoir and system.

Hydraulic Fluid

Recommends specific hydraulic fluids and warns against mixing.

Pump Motor

Provides specifications for the 12V DC pump motor.

Fastener Torque

Lists torque specifications for various fasteners used in the hydraulic unit.

Hydraulic Fitting and Hose Installation

Hydraulic Fitting Installation

Guides on the correct procedure for installing JIC hose fittings with O-rings.

Hydraulic Hose Installation

Details the procedure for routing and installing hydraulic hoses and wrap.

Hydraulic Unit Components

Hydraulic Component Installation

Ram Seal Installation

Instructions for installing seals and O-rings in hydraulic rams.

Cartridge & Check Valve Removal

Explains how to remove cartridge and check valves with minimal fluid loss.

Valve Location

Cartridge Valves

Check Valves

Valve Lock Rings

Describes the installation of valve lock rings on specific cartridge and check valves.

Relief Valves

Wiring

Electrical Assembly

Cover and Final Assembly

General Information

MVP PLUS™ CabCommand Hand-Held Control

Control Functions

Scoop/Retract (Vee) Blade Position

Describes how to use round buttons for scoop and vee positions.

Wing Positions

Explains how to control individual wings for angling snow.

MVP PLUS™ Joystick Control

Control Functions

Scoop/Retract (Vee) Blade Position

Explains control lever operation for scoop and vee positions.

Wing Positions

Describes control lever operation for independent wing movement.

Theory of Operation

Snowplow Headlamps

Explains how the Isolation Module directs power for snowplow lighting.

Snowplow Daytime Running Lights (DRLs)

Details how DRLs are managed by the Isolation Module.

Snowplow Hydraulics

Explains how the hydraulic system performs ten blade movements.

Electrical & Hydraulic Schematics

Electrical Legend

Provides graphical symbols for electrical components used in schematics.

Hydraulic Legend

Provides graphical symbols for hydraulic components used in schematics.

Electrical Schematic

Hydraulic Schematic

Raise - Electrical

Raise - Hydraulic

Lower - Electrical

Lower - Hydraulic

Angle Right - Electrical

Angle Right - Hydraulic

Angle Left - Electrical

Angle Left - Hydraulic

Retract (Vee) - Electrical

Retract (Vee) - Hydraulic

Scoop - Electrical

Scoop - Hydraulic

Right Extend - Electrical

Right Extend - Hydraulic

Right Retract - Electrical

Right Retract - Hydraulic

Left Extend - Electrical

Left Extend - Hydraulic

Left Retract - Electrical

Left Retract - Hydraulic

Hold in Raise Position - Hydraulic

Striking an Object While Plowing Forward - Hydraulic

Striking an Object While Back Dragging - Hydraulic

Low Beam Headlamps with Snowplow Connected

High Beam Headlamps with Snowplow Connected

Troubleshooting Guide

Introduction

Provides an overview of troubleshooting categories and the process.

How to Use the Troubleshooting Guide

Explains the methodology for using the troubleshooting sections effectively.

Electrical Testing

Describes methods and tools for testing electrical circuits.

Before You Begin

Lists essential conditions to verify before starting any troubleshooting tests.

Vehicle Headlamps Troubleshooting

Provides basic check questions and solutions for vehicle headlamp issues.

Snowplow Headlamps Troubleshooting

Provides basic check questions and solutions for snowplow headlamp issues.

Snowplow Park/Turn Lamps Troubleshooting

Lists check questions and solutions for snowplow park/turn lamp malfunctions.

Snowplow DRL Lamps Troubleshooting

Lists check questions and solutions for snowplow DRL lamp malfunctions.

Hydraulic System Testing

Outlines a testing procedure for all snowplow functions to pinpoint hydraulic issues.

Angle Left Troubleshooting

Lists troubleshooting steps for 'Angle Left' function issues.

Angle Right Troubleshooting

Lists troubleshooting steps for 'Angle Right' function issues.

Scoop Troubleshooting

Lists troubleshooting steps for 'Scoop' function issues.

Retract (Vee) Troubleshooting

Lists troubleshooting steps for 'Retract (Vee)' function issues.

Left Extend Troubleshooting

Lists troubleshooting steps for 'Left Extend' function issues.

Left Retract Troubleshooting

Lists troubleshooting steps for 'Left Retract' function issues.

Right Extend Troubleshooting

Lists troubleshooting steps for 'Right Extend' function issues.

Right Retract Troubleshooting

Lists troubleshooting steps for 'Right Retract' function issues.

Solenoid Coil Activation Test (SCAT)

Explains the SCAT test to diagnose electrical vs. hydraulic problems.

On-Truck Testing

Details the procedure for performing the SCAT test while the snowplow is mounted on the vehicle.

Off-Truck Testing

Details the procedure for performing the SCAT test with the snowplow disconnected from the vehicle.

Individual Solenoid Coil Test

Describes how to test individual solenoid coils for damage.

Harness Tests

Introduces the test harness for checking isolation module circuits.

Test Harness (PN 28957)

Introduces the test harness for checking isolation module circuits.

Vehicle Control Harness (#1)

Provides pinout and voltage/ground checks for the vehicle control harness.

Vehicle Lighting (#2) and Plug-In Harnesses (#3 & #4) w/White Isolation Module

Details test locations for white isolation module lighting circuits.

Vehicle Lighting (#2) and Plug-In Harnesses (#3 & #4) w/Green Isolation Module

Details test locations for green isolation module lighting circuits.

Control/Cable/Plow Module Test

Provides a table for diagnosing issues with control power and snowplow response.

Motor and Motor Relay Test

Guides on testing the motor relay and motor for proper operation.

Pump Pressure Test

Details how to test pump pressure and identify related issues.

Relief Valve Inspection and Adjustment

Explains how to inspect, adjust, and reassemble relief valves.

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