www.wackergroup.com
Trailer
W-Series
OPERATOR’S MANUAL
0154598en 002
0603
0154598EN
W-Series Trailers Table of Contents
wc_bo0154598enTOC.fm 1
1. Foreword 3
2. Safety Information 4
2.1 Important Safety Notice ........................................................................ 4
2.2 Label Locations .................................................................................... 4
3. Operation 5
3.1 Suggested Pre-Trip Check List ............................................................ 5
3.2 Towing Tips .......................................................................................... 6
3.3 Troubleshooting .................................................................................... 7
3.4 Wiring Harness ..................................................................................... 8
4. Maintenance 9
4.1 Maintenance ......................................................................................... 9
4.2 Seasonal Storage Checklist ................................................................. 9
Table of Contents W-Series Trailers
wc_bo0154598enTOC.fm 2
Foreword
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CALIFORNIA
Proposition 65 Warning:
Engine exhaust, some of its constituents, and certain vehicle
components contain or emit chemicals known to the State of California
to cause cancer and birth defects or other reproductive harm.
1. Foreword
This manual provides information and procedures to safely operate
and maintain this Wacker model. For your own safety and protection
from injury, carefully read, understand and observe the safety
instructions described in this manual.
Keep this manual or a copy of it with the machine. If you lose this
manual or need an additional copy, please contact Wacker
Corporation. This machine is built with user safety in mind; however,
it can present hazards if improperly operated and serviced. Follow
operating instructions carefully! If you have questions about operating
or servicing this equipment, please contact Wacker Corporation.
The information contained in this manual was based on machines in
production at the time of publication. Wacker Corporation reserves the
right to change any portion of this information without notice.
All rights, especially copying and distribution rights, are reserved.
Copyright 2003 by Wacker Corporation.
No part of this publication may be reproduced in any form or by any
means, electronic or mechanical, including photocopying, without
express written permission from Wacker Corporation.
Any type of reproduction or distribution not authorized by Wacker
Corporation represents an infringement of valid copyrights and will be
prosecuted. We expressly reserve the right to make technical
modifications, even without due notice, which aim at improving our
machines or their safety standards.
WARNING
Safety Information W-Series Trailers
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2. Safety Information
2.1 Important Safety Notice
2.1.1 For the safety of the user it is important to follow all warning labels
posted on your particular trailer.
2.1.2 Appropriate service methods and proper repair procedures are
essential for the safe, reliable operation of your trailer as well as the
personal safety of the individual doing the work.
2.1.3 Check your state and local laws for any brake and other safety
requirements.
2.1.4 Component parts from other manufacturers sold or installed by us are
covered by their own warranties.
2.1.5 All warranty claims are to be submitted to your local Wacker dealer for
consideration. All warranty work must be pre-approved through your
local dealer.
2.2 Label Locations
wc_gr001499
W-Series Trailers Operation
wc_tx000346gb.fm 5
3. Operation
3.1 Suggested Pre-Trip Check List
There are a number of rules to follow in caring for your trailer that can
add years to its life. In the case of some of these rules, you may be
protecting your own life as well. Using the following checklist before
starting a trip with your trailer is highly recommended. Some of these
items should be checked 2 to 3 weeks prior to a planned trip to allow
sufficient time to perform maintenance.
• Check your maintenance schedule and be sure you are up-to-date.
• Check the hitch. Is it showing wear? Is it properly lubricated?
• Fasten safety chains securely.
• Inspect towing hookup for secure attachment.
• Load your trailer so that approximately 7% to 10% of the trailer’s total
weight (GVWR) is on the hitch. For lighter trailers this should be
increased slightly.
• DO NOT OVERLOAD. Stay within your gross vehicle rated capacity
for your tow vehicle or trailer. Maximum carrying capacity is calculated
by subtracting trailer weight from GVWR.
• Inflate tires according to manufacturer’s specifications, located on the
side of the tire. Inspect tires for cuts, excessive wear, etc.
• Check wheel mounting nuts/bolts with a torque wrench. Torque lug
nuts to 85 ft.lbs.
• If applicable, make certain brakes function properly and are adjusted
correctly.
• Check operation of all lights.
• Check that your trailer is towing in a level position and adjust hitch
height if required.
• Check that all access doors are in the closed position.
Operation W-Series Trailers
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3.2 Towing Tips
• Always check for properly functioning braking system before and after
trip. Be sure all brake lines are free and clear of obstructions and that
brake fluid is at a proper level.
• Trailer tires do not come balanced and may need to be if you are
experiencing vibration while towing. This is part of normal
maintenance and is the responsibility of the owner.
• Be sure to properly balance your load by adjusting hitch to provide a
level unit. Benefits will include:
• less stress on tow vehicle
• better ride
• less stress on generator unit
• reduced sway of trailer
• DO NOT OVERLOAD. Stay within your gross vehicle rated capacity
for tow vehicle weight.
• Be sure your hitch and trailer are sized properly according to vehicle
manufacturer’s recommended towing capacity.
W-Series Trailers Operation
wc_tx000346gb.fm 7
3.3 Troubleshooting
Problem / Symptom Reason / Remedy
Lighting and Wiring System
not functioning properly.
• Most lighting systems are sealed, therefore DO NOT
ground through the ball and require a good vehicle
ground.
• The ground wire (white) should be the first thing to
check even if it is factory installed. This is the most
common problem.
• Hook up trailer wire harness to another tow vehicle
to determine if lights are working properly on either
vehicle. This will eliminate possible problem with the
tow vehicle.
• Check light element with similar light on trailer to
determine if the light is burned out.
• When repairing the wire harness, connect all similar
colored wires together. For example, the two white
ground wires from the harness are connected to the
white ground in the plug.
• All replacement lights, lenses, and wire harnesses
can be purchased through your Wacker dealer
Braking System not fuctioning
properly.
• Check electrical hook-up (electric brakes).
• Check that master cylinder is filled properly (surge
brakes).
• Check for air in system by bleeding (surge brakes).
• For electrical brakes check for power at wheels.
Operation W-Series Trailers
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3.4 Wiring Harness
Trailer Wiring Harness with Four-Way Flat Connector
Round Six-Way Trailer End Connection
Wire Color Description
White Ground
Brown Running Lights
Yellow Left Turn and Brake
Green Right Turn and Brake
Ref. Wire Color Description
1. White Ground
2. Blue Electric Brakes
3. Green Tail Lights
4. Black Hot - Battery
5. Red Left Turn Light
6. Brown Right Turn Light
7. - Back-up Light
wc_gr001500
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W-Series Trailers Maintenance
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4. Maintenance
4.1 Maintenance
• Always maintain recommended air pressure in tires.
• Follow all maintenance procedures in your axle manual and actuator
manual, if applicable.
• If rust develops in the master cylinder, replace it immediately. Failure
to do so will result in a non-warranty brake system failure.
• To prevent corrosion, periodically coat electric plug with dielectric
compound available at your local auto parts store.
• Check and lubricate bearings every 6 months or 6,000 miles; or more
often, based on usage.
• Bleed brakes every 12 months or 12,000 miles; or more often, based
on usage.
• Periodically spray mechanical moving parts, such as the hitch and
suspension parts that are exposed to the weather, with a petroleum-
based penetrating lubricant available at your local auto parts store.
4.2 Seasonal Storage Checklist
• Block up trailer under the frame to avoid flat spotting of the tires.
• Follow all storage procedures per axle manual.
• Coat electric plug with dielectric compound.
• Check master cylinder for proper fluid level.
• Lubricate all mechanical moving parts that are exposed to the
weather.
• Spray metal brake components with a penetrating lubricant with teflon
to help prevent corrosion.
Wacker Construction Equipment AG · Preußenstraße 41 · D-80809 München · Tel.: +49-(0)89-354 02 - 0 · Fax: +49 - (0)89-354 02-390
Wacker Corporation · P.O. Box 9007 · Menomonee Falls, WI 53052-9007 · Tel. : +1-(1)(262) 255-0500 · Fax: +1-(1)(262) 255-0550 · Tel. : (800) 770-0957
Wacker Asia Pacific Operations · Sunley Center, Unit 912, 9/F · 9 Wing Qin Street, Kwai Chung, N.T. · Hong Kong · Tel. + 852 2406 60 32 · Fax: + 852 2406 60 21
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