Harbor Freight Tools 67649 User Manual
Weight Distribution hitch
Model
67649
set up anD operating instructions
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© 2010 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.
For technical questions or replacement parts, please call 1-800-444-3353.
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.
iMportant saFetY
inForMation
in this manual, on the labeling, and
all other information provided with
this product:
this is the safety alert
symbol. it is used to alert
you to potential personal
injury hazards. obey all
safety messages that follow
this symbol to avoid possible
injury or death.
notice is used to
address practices not
related to personal injury.
caution, without the
safety alert symbol, is
used to address practices not
related to personal injury.
hitch safety Warnings
Warning! 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.
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.
Danger indicates a
hazardous situation
which, if not avoided, will result
in death or serious injury.
Warning indicates a
hazardous situation
which, if not avoided, could
result in death or serious injury.
caution, used with
the safety alert
symbol, indicates a hazardous
situation which, if not avoided,
could result in minor or moderate
injury.
Page 2 For technical questions, please call 1-800-444-3353. SKU 67649
installation/attachment safety
operation safety
Assemble only according to these 1.
instructions. Improper assembly can
create hazards. carefully measure
and follow all steps and adjustment
instructions.
Raise the front of the trailer 2. WHeNeveR
tension will be applied or released from
the Connection Brackets (3).
Adjust both chains to equal length.3.
When applying or releasing tension 4.
from the Brackets, use the Handle (5)
supplied and handle carefully.
the spring bars (4) Must be removed 5.
if the trailer is not attached.
Check local regulations to determine if
other components can be left in place or
must also be temporarily removed.
Wear ANSI-approved safety goggles and 6.
heavy-duty work gloves during assembly.
Secure the Spring Clips (18) and adjust 1.
according to this manual before use.
This product is not a toy. Do not allow 2.
children to play with or near this item.
Use as intended only.3.
Inspect before every use; do not use if 4.
parts are loose or damaged.
Do not exceed hitch’s rated capacities - 5.
see SpeciFicationS chart.
Maintain product labels and nameplates. 6.
These carry important safety information.
If unreadable or missing, contact Harbor
Freight Tools for a replacement.
Carefully load trailer according to trailer 7.
supplier’s instructions, whether a weight
distributing hitch is used or not.
Use according to DOT regulations.8.
Keep assembly area clean and well lit.7.
Keep bystanders out of the area during 8.
assembly.
Do not assemble when tired or when 9.
under the inuence of drugs or
medication.
Install according to DOT regulations.10.
service
Have your hitch serviced by a qualied 1.
repair person using only identical
replacement parts. This will ensure that
the safety of the hitch is maintained.
Do not use damaged equipment. If 2.
abnormal noise or vibration occurs, have
the problem corrected before further use.
saVe these
instructions.
Page 3For technical questions, please call 1-800-444-3353.SKU 67649
speciFications
entire System
Capacity
Hitch Capacity
without Spring Bars
Shank Size 2” Square
1,000 lb. Tongue Weight
10,000 lb. Gross Trailer Weight
500 lb. Tongue Weight
5,000 lb. Gross Trailer Weight
Weight
Distribution
head (2)
spring
bar (4)
Class
III & Iv
note: For greater stability, a Sway Control
Kit (ITeM 96462, sold separately) can be
used along with this Hitch.
note: Limit capacities listed above by the
capacity of the towing vehicle and any
other attachment hardware used.
unpacking
When unpacking, make sure that all
parts listed on page 10 are included. If any
parts are missing or broken, please call
Harbor Freight Tools at 1-800-444-3353 as
soon as possible.
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.
note: For additional information regarding the
parts listed in the following pages, refer
to the Assembly Diagram near the end of
this manual.
3. Hold the Spring back while installing the
Spring Bar into the socket on the Weight
Distribution Head (2).
4.
Release the Spring, and adjust the
Spring Bar until the spring snaps back
into place.
Pull on the Spring Bar to make sure 5.
it is properly attached to the Weight
Distribution Head.
6.
Repeat for the other Retaining Pin
Spring (2a) and the other Spring Bar (4).
chain (7)
u-bolt (8)
Washer
(9)
lock
nut (10)
hitch ball
(sold
separately)
spring bar (4) installation
7. Remove the Lock Nuts (10) and
Washers (9) from the U-bolts (8). Place
Apply some axle grease to the round end 1.
of one Spring Bar (4).
a U-bolt (8) around the bottom link of
each Chain (7). Insert the threaded ends
of each U-bolt into the holes at the end
Pry one of the Retaining Pin Springs (2a) 2.
back, pulling the Bar Retaining Pin (2b)
of each Spring Bar, as shown. Secure
with Washers (9) and Lock Nuts (10).
outwards .
Page 4 For technical questions, please call 1-800-444-3353. SKU 67649
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