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Owner's Manual & Safety Instructions
Save This Manual
operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference.
Email our technical support at: productsupport@harborfreight.com
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
©
Copyright
2021 by Harbor Freight Tools
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.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Keep this manual for the safety warnings and precautions, assembly,
Visit our website at: http://www.harborfreight.com
®
. All rights reserved.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
21b

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Summary of Contents for HAUL MASTER 58702

  • Page 1 Owner’s Manual & Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
  • Page 2: Table Of Contents

    Eye Injury. Wear ANSI-approved safety goggles with side shields. Read the manual before set-up and/or use. WARNING marking concerning Risk of Fire. Connect trailer wiring to properly fused circuit only. Page 2 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 3: Safety

    2. Properly and safely secure the payload in the Trailer. stamped on the hitch drawbar. Load the Trailer evenly from side to side with 60% of the load forward of the Axle. Item 58702 For technical questions, please call 1-888-866-5797. Page 3...
  • Page 4 This could cause 2. Pass on level terrain with plenty of clearance. your trailer to jackknife or go out of control. Avoid passing on steep upgrades or downgrades. Page 4 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 5 3. Maintain this Trailer with care. Keep this Trailer 8. Before standing up the trailer, properly secure the rear and front section together. See page 25. clean and dry for better and safer performance. SaVE tHESE inStrUCtiOnS. Item 58702 For technical questions, please call 1-888-866-5797. Page 5...
  • Page 6: Assembly

    1. On a flat, level surface, lay out Left Side Rail (21) and Right Side Rail (23). Attach 4 Spring Hangers (20) using 8 sets of Hex Bolts M10x20 and Nuts M10 (27). rEar FrOnt note: Finger tighten hardware first. after assembly, square and tighten hardware. Page 6 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 7 Plates slightly to allow holes to line up. 8. Secure Axle U-Bolt with nuts, then tighten in step 5. to secure Spring assemblies. torque axle U-Bolt nuts to 15 ft-lb. Item 58702 For technical questions, please call 1-888-866-5797. Page 7...
  • Page 8 17. Check torque on Lug nuts. they must be torqued to 85 - 90 ft-lb. 10. Remove Castle Nuts (12) and Washers (11) from each end of Axle. Page 8 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 9 Side Rails. Attach Side Running Lights using Screws and Nuts (46). 21. Attach Light Brackets (26) to Side Rails using 4 sets of Bolts M10 x 20 and Nuts M10 (27). Item 58702 For technical questions, please call 1-888-866-5797. Page 9...
  • Page 10 GrEEn WirE LEaD WirE LEaD FrOM FrOM SiDE rUnninG SiDE rUnninG LiGHt LiGHt BrOWn BrOWn LEFt riGHt taiL LiGHt taiL LiGHt BrOWn BrOWn yELLOW GrEEn yELLOW BrOWn BrOWn GrEEn Page 10 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 11 Some trailer tail lights will have two leads instead of three. They connect to the harness leads the same way; brown to brown, color to color. Item 58702 For technical questions, please call 1-888-866-5797. Page 11...
  • Page 12 2. Drill 3/8" holes through the Stakes at the locations indicated below. 1-3/4" 7-1/4" 3/8" DiaMEtEr 3/4" StaKE 3-1/2" 18" 3/4" 3-1/2" FrOnt EnD/BaCK EnD raiL 37" 3/4" 3-1/2" SiDE raiL 46" 3-1/2" COnnECtinG pLatE 2" 2" Page 12 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 13 3/8" x 1-3/4" CrOSS HEaD BOLt EnD raiL 3/8" FLat WaSHEr 3/8" SprinG WaSHEr 3/8" nut 3/8" x 3-1/4" CrOSS HEaD BOLt 3/8" FLat WaSHEr StaKE SLOt 3/8" SprinG WaSHEr 3/8" nut Item 58702 For technical questions, please call 1-888-866-5797. Page 13...
  • Page 14 3/8" diameter holes in each side of the plywood. 3/4" tHiCK pLyWOOD MEaSUrE WiDtH anD LEnGtH OF traiLEr FraME. 3/8" DiaMEtEr HOLE CUt pLyWOOD tO MatCH WiDtH anD LEnGtH OF traiLEr FraME. 3/8" DiaMEtEr HOLE Page 14 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 15 Trailer frame. 3/8" mounting holes in the Trailer frame. 3/8" x 1-1/2" CrOSS HEaD BOLt 3/8" FLat WaSHEr 3/4" tHiCK pLyWOOD 3/8" SprinG WaSHEr 3/8" nut Item 58702 For technical questions, please call 1-888-866-5797. Page 15...
  • Page 16: Operating Instructions

    2. Unlock the Coupler Trigger by removing Hitch its R-Clip and Locking Pin. Coupler 3. Then, pull up on the Trigger and Figure a: remove r-Clip and Locking pin lift up on the Handle. Page 16 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 17 Tail Lights at least every 100 miles. 10. Carry emergency flares and fire extinguisher, if required for operation in your state. Carry extra fuses if towing the Trailer at night over long distances. Item 58702 For technical questions, please call 1-888-866-5797. Page 17...
  • Page 18 Curb weight; occupant weight and dividing by 2. b. Accessory weight; c. Vehicle capacity weight; and d. Production options weight. Page 18 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 19 1,565 1,984 1,019 1,279 1,609 2,039 1,047 1,323 1,653 2,094 1,074 1,356 1,709 2,149 1,102 1,389 1,764 2,205 1,135 1,433 1,819 2,271 1,168 1,477 1,874 2,337 Load index rating Codes Item 58702 For technical questions, please call 1-888-866-5797. Page 19...
  • Page 20 See the Tire Care section starting on the following page for an explanation of tire pressure and see the Vehicle Load Limit following that for an explanation of load limit. Page 20 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 21 Measure tread depth using a tread depth indicator (not included). tire rotation Every 5,000 miles the left and right tires should be switched. This will cause the tires to wear more evenly and last longer. Item 58702 For technical questions, please call 1-888-866-5797. Page 21...
  • Page 22 Do not attempt to control trailer sway by applying the tow vehicle brakes; this will generally make the sway worse. Page 22 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 23 LiCEnSinG nOtiCE Some states may consider this Trailer a vehicle requiring registration, licensing, and titling. Check with your State DMV for information and guidance on registering, licensing, and titling the Trailer. Item 58702 For technical questions, please call 1-888-866-5797. Page 23...
  • Page 24: Maintenance

    Replace Dust Caps, tapping with b. Allow all pieces to dry completely. rubber mallet to seat them. Page 24 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 25 LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. Item 58702 For technical questions, please call 1-888-866-5797. Page 25...
  • Page 26: Parts List And Diagram

    If product has no serial number, record month and year of purchase instead. note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. Specify UPC 193175444516 when ordering parts. Page 26 For technical questions, please call 1-888-866-5797. Item 58702...
  • Page 27 Diagram Item 58702 For technical questions, please call 1-888-866-5797. Page 27...
  • Page 28: Reporting Safety Defects

    reporting Safety Defects If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Jinhua Yongqiang Vehicles Factory. If NHTSA receives similar complaints, it may open an investigation. And if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign.