Haul-Master 64793 800 lb. Capacity Full Size Truck Rack Owner's Manual
Below you will find brief information for Truck Rack 64793. This manual provides essential safety instructions, assembly procedures, and usage guidelines for the Haul Master Full Size Truck Rack. It covers topics such as weight capacity, installation, and maintenance, ensuring safe and effective operation. The document also emphasizes the importance of following safety precautions to prevent serious injury and damage to the truck and rack.
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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.
20h
64793
Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected]
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
©
2020 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.
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.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
IMPORTANT SAFETY INFORMATION
Read all safety warnings and instructions.
Failure to follow the warnings and instructions may result in serious injury.
Save all warnings and instructions for future reference.
Installation Precautions
1. Follow DOT regulations regarding installation and use.
2. Park truck on a flat, level, hard surface well away from traffic. Place transmission in park/neutral and set parking brake.
3. Verify that installation surface has no hidden wires before drilling or driving screws.
4. Install only according to these instructions.
Improper installation can create hazards.
5. Wear ANSI-approved safety goggles and heavy-duty work gloves during assembly and installation.
6. Mount Truck Rack securely to vehicle.
7. Keep installation area clean and well lit.
8. Keep bystanders out of the area during installation.
9. Do not install when tired or when under the influence of drugs or medication.
10. Weight capacity and other product capabilities apply to properly and completely installed product only.
Use Precautions
1. Do not exceed rated weight capacity of
Truck Rack, distributed evenly.
Be aware of dynamic loading!
Sudden load movement may briefly create excess load causing product failure.
2. Do not exceed rated weight capacity of truck.
Refer to truck’s Gross Vehicle Weight Rating.
3. Strap load securely to Truck Rack.
4. Use as intended only.
5. Inspect before every use; do not use if parts loose or damaged.
6. This product is not a toy. Do not allow children to play with or near this item.
7. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
8. The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur.
It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator.
SAVE THESE INSTRUCTIONS.
Page 2
SPECIFICATIONS
Load Capacity
Weight
Dimensions
Mounting Hardware
(for permanent installation)
800 lb
160 lb
138″ L x 60″ W x 34" H
(height of Legs with Risers)
12x M12x70 Bolts
24x Ø12 Washers
12x Ø12 Spring Washers
12x Ø12 Nuts
(sold separately)
For technical questions, please call 1-888-866-5797.
Item 64793
ASSEMBLY
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.
General Assembly
Note:
Finger tighten all connections until assembly is done.
All connections are made to both left and right sides.
Assemble on a flat, level, hard surface.
1. Position Rear Legs (6, 7) on Rear Side Bars (3).
Attach using Bolt Set B.
2. Attach curved ends of Rear Side Bars to Rear Legs using Bolt Set D.
Bolt Description
Set
A
Bolt (M16x30), Washer x2, Nut
B Bolt (M12x50), Washer, Nut
C Bolt (M10x35), Washer
D Bolt (M10x35), Washer, Nut
E Bolt (M12x75), Washer, Nut
F1
Bolt (M18x85), Spring Washer,
F2
Washer x2, Nut
Bolt (M18x85), Spring Washer,
G
Washer x2, Nut
Bolt (M12x70), Spring Washer,
Washer (Ø12), Washer (Ø16), Nut
H
Bolt (M10x70), Spring Washer,
Washer, Nut
I J-Hook, Spring Washer, Washer, Nut
J Bolt (M18x70), Washer x2, Nut
Figure A: Bolt Set Contents
Qty.
4
8
4
2
2
8
2
4
2
8
4
Bolt
Set D
Bolt Set B
Rear
Left Leg
Figure B
3. Attach Rear Bar (12) to Rear Side
Bars using Bolt Set G.
4. Attach end caps with Bolt Set C.
Bolt Set C
Rear Side
Bar (3)
Washer
(Ø12)
Rear
Bar (12)
Figure C
Washer
(Ø16)
Bolt
Set G
Item 64793
For technical questions, please call 1-888-866-5797.
Page 3
If the truck has a short bed, go to instruction 5.
If it has a long bed, go to instruction 6.
5.
Short Bed:
a. Position the Front Bar (10)
behind
the Cross
Bars on the Front Side Bars (2), then position the Front Legs (4, 5) next to the Front Bar.
6.
Long Bed:
a. Position the Front Bar (10)
in front of
the Cross
Bars on the Front Side Bars (2), then position the Front Legs (4, 5) next to the Front Bar.
Front
Front
Cross
Bar
Front
Bar (10)
Front
Bar (10)
Front
Right Leg
Front Side
Bar (2)
Figure F
b. Secure connections with Bolt Sets B and G.
Front
Right Leg
Cross
Bar
Front Side
Bar (2)
Figure D
b. Secure connections with Bolt Sets B and G, then go to instruction 7.
Bolt
Set G
Washer
(Ø16)
Washer
(Ø12)
Figure E
Bolt
Set B
Washer
(Ø12)
Washer
(Ø16)
Figure G
Bolt
Set B
Bolt
Set G
Page 4
For technical questions, please call 1-888-866-5797.
Item 64793
7. Slide Rear Side Bars (3) into Front Side Bars (2).
Secure connections with Clamps (13) and Bolt Set A.
Rear Side
Bar (3)
Clamp
(13)
9. Position the Center Bar (11), where desired, on the Rear Side Bars, to the rear of the middle connections. Attach with Bolt Set E.
Bolt
Set E
Rear
Clamp
(13)
Middle
Connection
Bolt Set A
Figure H
Front Side
Bar (2)
8. Slide ends of Cab Bar (1) over Front Side Bars.
Attach with Bolt Set H.
Front
Side Bar
Bolt
Set H
Center
Bar (11)
Rear
Side Bar
Figure J
Cab Bar
(1)
Figure I
Attaching the Feet
1. Measure the height of the Truck Rack and determine if additional height is needed to clear the truck’s cab.
2. If additional height is needed, attach
Risers (14) to bottoms of Legs with Bolt Set J.
3. Attach Feet (8L, 8R, 9L, 9R) to corresponding Legs so that the lips will face inside the truck bed.
4. Attach with Bolt Sets F1 and F2.
Rear Left
Leg
Leg
Bolt Set F1
Bolt Set J
Riser
(14)
Rear Left
Foot
Bolt Set F2
Figure K
Lip
(Facing inside the truck bed)
Figure L
Item 64793
For technical questions, please call 1-888-866-5797.
Page 5
INSTALLATION
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.
TO PREVENT SERIOUS INJURY DURING INSTALLATION:
Park truck on a flat, level, hard surface well away from traffic. Place transmission in park/neutral and set parking brake.
Before Installation
1. Measure the length of the truck bed with the tailgate closed, then measure the distance between the Front and Rear Legs.
2. Adjust the Front and Rear Legs to match the length of the truck bed.
3.
With assistance,
lift the Truck
Rack onto the truck bed.
4. Position the Legs as close to the corners of the truck bed’s rails as possible. Adjust the legs to avoid obstructions on the underside of rails at installation points.
Permanent Installation
WARNING! TO PREVENT SERIOUS INJURY:
Verify that installation surface has no hidden wires or before drilling or driving screws.
1. Position the Feet so that the lips are flush with the insides of the rails.
2. Using the Feet as templates, mark locations of mounting holes.
3. Drill holes appropriate for the proper hardware
(sold separately), described under Specifications on page 2, at the marked locations.
4. Position the Feet so that mounting holes align with pilot holes, then secure the Feet with the hardware.
5. Square and level all components, then tighten all hardware securely.
Hardware
(sold separately)
Foot
Bed
Rail
Figure M
Temporary Installation
1. Position the Feet so that the lips are flush with the insides of the rails.
2. Using Bolt Set I, insert the J-Hooks up through the mounting tubes on each Foot.
3. Secure from the top, tightening hardware until the J-Hooks are holding the Feet tightly against the bed rail.
4. Square and level all components, then tighten all hardware securely.
Foot
Bed
Rail
Bolt
Set I
Figure N
Page 6
For technical questions, please call 1-888-866-5797.
Item 64793
MAINTENANCE AND SERVICING
Procedures not specifically explained in this manual must be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM TRUCK RACK FAILURE:
Do not use damaged equipment. If Truck Rack is damaged or if abnormal noise or vibration occurs, have the problem corrected before further use.
1.
BEFORE EACH USE,
condition of the Truck Rack. Check for:
• loose hardware,
inspect the general
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may affect its safe operation.
2.
AFTER USE,
wipe external surfaces of the Truck Rack with clean cloth.
Item 64793
For technical questions, please call 1-888-866-5797.
Page 7
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
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.
Page 8
For technical questions, please call 1-888-866-5797.
Item 64793
Record Serial Number Here:
Note:
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 193175228628 when ordering parts.
Item 64793
For technical questions, please call 1-888-866-5797.
Page 9
PARTS LIST AND DIAGRAM
Components Parts List
Part
1 Cab Bar
Description
2 Front Side Bar
3 Rear Side Bar
4 Front Right Leg
5 Front Left Leg
6 Rear Right Leg
7 Rear Left Leg
8L Front Left Foot
Qty.
1
1
1
1
2
2
1
1
Part Description
8R Front Right Foot
9L Rear Left Foot
9R Rear Right Foot
10 Front Bar
11 Center Bar
12 Rear Bar
13 Clamp
14 Riser
Hardware Parts List
Bolt
Set
Description
A Bolt (M16x30), Washer x2, Nut
B Bolt (M12x50), Washer, Nut
C Bolt (M10x35), Washer
D Bolt (M10x35), Washer, Nut
E Bolt (M12x75), Washer, Nut
F1
Bolt (M18x85), Spring Washer,
F2
Washer x2, Nut
Bolt (M18x85), Spring Washer,
Washer x2, Nut
Qty.
2
2
4
8
2
4
4
Bolt
Set
Description
G
H
Bolt (M12x70), Spring Washer,
Washer (Ø12), Washer (Ø16), Nut
Bolt (M10x70), Spring Washer,
Washer, Nut
I
J-Hook (M12x70), Spring Washer
Washer, Nut
J Bolt (M18x70), Washer x2, Nut
Qty.
1
1
1
1
1
1
4
4
Qty.
8
2
8
4
Page 10
For technical questions, please call 1-888-866-5797.
Item 64793
Assemby Diagram
38 37 36
38 37 36
Item 64793
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Page 11
LIMITED 90 DAY WARRANTY
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797

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Key features
- 800 lb Load Capacity
- Heavy-duty Construction
- Easy Installation
- Durable
- Secure Load Strapping