Table Of Contents; Preface - Western HTS Mechanic's Manual

TABLE OF CONTENTS

PREFACE ........................................................................................................ 2
SAFETY INFORMATION ............................................................................... 4
SPECIFICATIONS & REQUIRED TOOLS .................................................... 7
ATTACHING/DETACHING SNOWPLOW FROM VEHICLE & STORAGE 8
INSTALLING SNOWPLOW ............................................................................ 9
SYSTEM OVERVIEW ....................................................................................16
Vehicle Lighting Check .............................................................................16
Headlamp Beam Aiming ........................................................................... 17
Hydraulic Hose Routing ............................................................................ 18
Hydraulic Unit Parts Diagram ................................................................... 19
Solenoid Cartridge Valve Identifi cation and Location ...............................20
Relief Valve Identifi cation and Location ....................................................20
Hydraulic Component Installations ...........................................................21
HTS™ Controls .........................................................................................22
Hand-Held Control .............................................................................23
Joystick Control ..................................................................................27
Master Control for the SECURITY GUARD™ System ....................... 31
THEORY OF OPERATION .......................................................................... 32
3-PORT MODULE ........................................................................................ 32
Theory of Operation ................................................................................. 32
Wiring ....................................................................................................... 37
4-PORT MODULE .........................................................................................41
Theory of Operation ................................................................................. 41
Wiring ....................................................................................................... 42
ELECTRICAL & HYDRAULIC SCHEMATICS ............................................ 46
Hydraulic Schematic ................................................................................ 46
Raise ....................................................................................................... 47
Lower ...................................................................................................... 49
Angle Right .............................................................................................. 51
Angle Left ................................................................................................. 52
Hold in Raise Position ............................................................................. 53
Striking an Object While Plowing ............................................................. 55
Scrape Lock Function .............................................................................. 57
TROUBLESHOOTING GUIDE .................................................................... 59
PILOT-OPERATED (POPPET STYLE) CHECK VALVE INSPECTION ... 74
RELIEF VALVE INSPECTION AND ADJUSTMENT ................................. 75
Lit. No. 41467, Rev. 01

PREFACE

This guide has been prepared to
assist the trained mechanic in the
service of WESTERN snowplows.
®
It also provides safety information
and recommendations. We urge
all mechanics to read this manual
carefully before attempting to service
the WESTERN snowplow equipment
covered by this guide.
Service of your WESTERN snowplow
equipment is best performed by
your local Western Products outlet.
They know your snowplow best
and are interested in your complete
satisfaction.
April 15, 2021
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