HAUL MASTER 90154 User manual

TRAILER
FOLDABLE - WITH 12” WHEELS
MODEL 90154
ASSEMBLY AND OPERATING INSTRUCTIONS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright©2003 by Harbor Freight Tools®. All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 04j; 06k; 08d; 09b

SKU 90154 For technical questions, please call 1-800-444-3353. PAGE 2
CONTENTS
SPECIFICATIONS.................................................................................... 3
GENERAL SAFETY WARNINGS AND PRECAUTIONS ........................ 3
Specic Product Warnings and Precautions .....................................................4
UNPACKING............................................................................................ 6
ASSEMBLY INSTRUCTIONS.................................................................. 6
TIRE INFORMATION .............................................................................. 18
Tire Terminology Glossary..................................................................................18
Tire Markings........................................................................................................19
Tire Ination and Load Limit...............................................................................20
TIRE CARE............................................................................................. 21
Checking Tire Pressure.......................................................................................21
Steps for Maintaining Proper Tire Pressure......................................................21
Tire Size ................................................................................................................22
Tire Tread..............................................................................................................22
Tire Rotation.........................................................................................................22
Tire Balance and Alignment................................................................................22
Tire Repair ............................................................................................................22
VEHICLE LOAD LIMIT ........................................................................... 23
Steps for Determining Correct Load Limit.........................................................23
INSPECTION, MAINTENANCE, AND CLEANING ................................ 23
Wiring Diagram.....................................................................................................24
PARTS LIST............................................................................................ 25
Assembly Diagram...............................................................................................26
REPORTING SAFETY DEFECTS .......................................................... 26
BEARING PACKING INSTRUCTIONS................................................... 27

SKU 90154 For technical questions, please call 1-800-444-3353. PAGE 3
SPECIFICATIONS
Maximum Capacity Payload 1,195 lb.
Bed Dimensions 4 Ft. x 8 Ft.
Hitch Ball Size 1-7/8”
Wheel Rim Diameter/Width 12” x 4”
Quantity Wheel Lug Nuts 4 Per Wheel
Tire Size 4.80 - 12
Required Tire Air Pressure 60 PSI, Cold
Overall Dimensions 110” L x 61-1/2” W x 19-1/4” H
Ship Weight / Net Weight 262 Lbs. / 252 Lbs.
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, assembly, oper-
ating, inspection, maintenance and cleaning procedures, parts list and assembly diagram.
Keep your invoice with this manual. Write the invoice number on the inside of the front
cover. Keep this manual and invoice in a safe and dry place for future reference.
GENERAL SAFETY WARNINGS AND PRECAUTIONS
Keep work area clean and dry. Cluttered, damp, or wet work areas invite injuries.1.
Keep children away from work area. Do not allow children to handle this product.2.
Store idle equipment. When not in use, tools and equipment should be stored in3. a dry location to inhibit rust. Always lock up tools and equipment, and keep out of
reach of children.
Do not use this product if under the inuence of alcohol or drugs. Read warning 4.
labels on prescriptions to determine if your judgement or reexes are impaired while
taking drugs. If there is any doubt, do not attempt to use this product.
Use eye protection. Wear ANSI-approved safety impact eye goggles when5. assembling this product.
Dress safely. Do not wear loose clothing or jewelry, as they can become caught in6. moving parts. Wear a protective hair covering to prevent long hair from becoming
caught in moving parts. If wearing a long-sleeve shirt, roll sleeves up above elbows.
Wearing safety work shoes is recommended.
Do not overreach. Keep proper footing and balance at all times to prevent tripping,7. falling, back injury, etc. REV 06k; 09b

SKU 90154 For technical questions, please call 1-800-444-3353. PAGE 4
Industrial applications must follow OSHA requirements.8.
Stay alert. Watch what you are doing at all times. Use common sense. Do not use9. this product when you are tired or distracted from the job at hand.
Check for damaged parts. Before using this product, carefully check that it will10. operate properly and perform its intended function. Check for damaged parts and
any other conditions that may affect the operation of this product. Replace dam-
aged or worn parts immediately.
Replacement parts and accessories: when servicing, use only identical replacement11. parts. Only use accessories intended for use with this product. Approved acces-
sories are available from harbor freight tools.
Maintain this product with care. Keep this product clean and dry for better and12. safer performance.
Maintenance: for your safety, service and maintenance should be performed regu-13.
larly by a qualied technician.
Use the right tool for the job. Do not attempt to force small equipment to do the14. work of larger industrial equipment. There are certain applications for which this
equipment was designed. It will do the job better and more safely at the capacity
for which it was intended. Do not modify this equipment, and do not use this equip-
ment for a purpose for which it was not intended.
WARNING:15. The warnings, precautions, and instructions discussed in this manual
cannot cover all possible conditions and situations that may occur. The operator
must understand that common sense and caution are factors, which cannot be built
into this product, but must be supplied by the operator.
Specic Product Warnings and Precautions
TO AVOID PERSONAL INJURY AND/OR PROPERTY DAMAGE, DO NOT EX-1. CEED THE TRAILER’S MAXIMUM CAPACITY PAYLOAD OF 1,195 POUNDS.
B2. EFORE EACH USE, ALWAYS EXAMINE THE TRAILER FOR PROPER TIRE
(19) CONDITION AND AIR PRESSURE, DAMAGED TAIL LIGHTS (28L, 28R),
DAMAGED SIDE RUNNING LIGHTS (24), LOOSE BOLTS AND NUTS, STRUC-
TURAL CRACKS, BENDS, AND ANY OTHER CONDITION THAT MAY AFFECT
ITS SAFE OPERATION. Do not use the Trailer even if minor damage appears.
NEVER ALLOW ADULTS, CHILDREN, OR PETS TO3. RIDE ON THE TRAILER.
BEFORE EACH USE, ALWAYS ATTACH THE SAFETY CHAIN (8) OF THE4. TRAILER TO THE TOWING VEHICLE. Make sure the Safety Chain is attached
to the towing vehicle with the equal length at each side. Do not allow the Safety
Chain to drag on the ground.
09b

SKU 90154 For technical questions, please call 1-800-444-3353. PAGE 5
ALWAYS CHECK TO MAKE SURE THE PAYLOAD BEING TRANSPORTED IS5. PROPERLY AND SAFELY SECURED IN THE TRAILER. Load the Trailer evenly
from side to side with 60% of the load forward of the Axle (16).
MAKE SURE THE TOWING VEHICLE IS CAPABLE OF TOWING THE TRAILER6. AND ITS PAYLOAD. Make sure the hitch on the towing vehicle is capable of towing
the Trailer and its payload. The towing capacity of the hitch is typically stamped
on the hitch drawbar.
MAKE SURE THE HITCH COUPLER (7) AND THE VEHICLE’S BALLHITCH (not7. included) ARE OF EQUAL MATING SIZE (1-7/8”) AND ARE RATED EQUAL TO
OR GREATER THAN THE WEIGHT OF THE TRAILER AND ITS PAYLOAD.
DO NOT EXCEED 45 MILES PER HOUR WHEN TOWING THE TRAILER.8. Excess
speed is a major cause of vehicle-trailer accidents.
THE TAIL LIGHT BULBS SUPPLIED WITH THIS TRAILER ARE FOR A 12 VOLT9. DC (NEGATIVE EARTH) ELECTRICAL SYSTEM ONLY. Do not attempt to power
the Light Bulbs with any other type or voltage electrical current.
WHENEVER POSSIBLE, PARK THE TRAILER ON A FLAT, LEVEL, PAVED,10. SURFACE AND CHOCK BOTH TIRES TO KEEP THE TRAILER FROM ACCI-
DENTLY MOVING.
BEFORE ATTEMPTING TO FOLD UP THE TRAILER, make sure it is on a at, 11. level, solid surface and chock both Tires (19).
BEFORE STANDING UP THE TRAILER, PROPERLY SECURE THE REAR AND12. FRONT SECTION TOGETHER (SEE INSTRUCTIONS ON PAGE 13).
NEVER ATTEMPT TO FOLD UP THE TRAILER WITHOUT THE HELP OF ONE13. OR TWO ABLE ASSISTANTS.
TRAILER LICENSING NOTICE:14. Some states may consider this Trailer a vehicle
requiring registration, licensing, and titling. Check with your State Department of
Motor Vehicles for information and guidance on registering, licensing, and titling
the Trailer.
MAINTAIN LABELS AND NAMEPLATES ON THE TRAILER.15. These carry im-
portant information. If unreadable or missing, contact Harbor Freight Tools for a
replacement.