Daytona 64783 Assembly instructions

Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected] 64200 56642 64783
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 (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. 22h
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©2022 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.

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IMPORTANT SAFETY INFORMATION
1. Study, understand, and follow all instructions
before operating this device.
2. Do not exceed rated capacity.
3. Use only on hard, level surfaces.
4. Lifting device only. Immediately after lifting,
support the vehicle with appropriate means.
5. Do not move or dolly the vehicle while on the jack.
6. Failure to heed these markings may result in
personal injury and/or property damage.
7. Lift only areas of the vehicle as specified
by the vehicle manufacturer.
8. No alterations shall be made to this product.
9. Never work on, under or around a load
supported only by this device.
10. Do not adjust safety valve.
11. Wear ANSI-approved safety goggles and
heavy-duty work gloves during use.
12. Keep clear of load while lifting and lowering.
13. Lower load slowly.
14. Apply parking brake and chock tires
before lifting vehicle.
15. Lift vehicle only at manufacturer
recommended locations.
16. Inspect before every use; do not use if parts are
loose or damaged, or if leaking hydraulic fluid.
17. Do not use for aircraft purposes.
18. Do not use any objects (such as blocks of wood) in
between Saddle Pad or Saddle and lifting point.
Objects placed on the Saddle will reduce
the stability of the Jack, and could allow the
vehicle to slip off the Saddle and fall.
19. 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.
20. The Handle socket may be held down
by a block under tension. Wear ANSI-
approved safety goggles before freeing
Handle socket. Remove block carefully.
21. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.
SAVE THESE INSTRUCTIONS.
IMPORTANT! Before first use:
Check hydraulic oil level and fill to 1/4″ below the Fill Plug hole as needed as stated on page 6. Thoroughly test
the Jack for proper operation. If it does not work properly, bleed air from its hydraulic system as stated on page 6.

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WARNING SYMBOLS AND DEFINITIONS
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.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.

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Specifications
Weight Capacity 3 Tons
Weight Capacity (lb.) 6,000
Maximum Height (in.) 18.25
Minimum Height (in.) 5
Handle Length (in.) 45
Hydraulic Oil non-detergent 22 weight
Weight (lb.) 70
Meets 2014 ANSI/ASME PASE standard.

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Overview
Saddle
Handle
Handle Bumper
Handle
Socket
Lift Arm

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Set Up
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.
Removing Shipping Block
CAUTION! The Handle socket is held down by a plastic block. Wear ANSI-approved
safety goggles before freeing Handle socket. Remove block carefully.
A plastic block holds the Handle Socket in position during shipment. This
helps prevent shipping damage. To remove it:
1. Insert the Handle into Handle Socket.
2. Press down on Handle.
3. Remove the plastic block.
4. Return Handle to original position.
Attaching the Handle
1. Slide the Upper Handle into the Lower Handle.
Line the Button on the Lower Handle up with the
hole in the Upper Handle until it clicks into place.
2. Loosen the Set Screw and insert the grooved end
of the assembled Handle into the Handle Socket.
3. Tighten the Set Screw.
Bleeding Trapped Air
1. With the Jack fully lowered, remove both Screws
on the end of the Cover Plate that is closer to the
Saddle. Swing the Cover Plate open. See Figure A.
2. Remove the Fill Plug on top of the Cylinder.
Check that the oil level inside the Cylinder is
at the top of the Piston. See Figure B.
3. Insert the Handle into the Handle Socket
to operate the Release Valve.
4. Turn the Handle counterclockwise to open the valve.
5. Pump the Handle up and down quickly
10-15 times to force air from the system.
6. Replace the Fill Plug, close the
Cover Plate, and reinstall the Screws. Fill Plug Safety Valve Covers
Do not open or adjust.
Figure A: Hydraulic Unit
Adding Oil
NOTICE: To prevent damage and premature wear,
use only 22 viscosity, non-detergent hydraulic jack oil.
1. With the Jack fully lowered, remove both Screws
on the end of the Cover Plate that is closer to
the Saddle. Swing the Cover Plate open.
2. Remove the Fill Plug on top of the Cylinder.
3. Add non-detergent 22 weight hydraulic jack oil
into the Fill Plug hole slowly until the oil level just
reaches the top of the Piston inside the Cylinder.
4. Replace the Fill Plug, close the
Cover Plate, and reinstall the Screws.
Fill Plug
Cylinder
Piston
Oil
FILL LEVEL
Figure B: Fill Level

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Operation
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.
Lifting
Park vehicle on a flat, level, solid, surface safely away from oncoming traffic. Turn off the vehicle’s engine.
Place the vehicle’s transmission in “PARK” (if automatic) or in its lowest gear (if manual).
Set the vehicle’s emergency brake. Then, chock the wheels that are not being lifted.
1. Turn the Handle counterclockwise to lower the Jack.
Once the Jack is fully lowered, turn the
Handle firmly clockwise to close it.
2. Carefully position the Saddle of the Jack under the
vehicle manufacturer’s recommended lifting point.
(See vehicle manufacturer’s owner’s manual
for location of frame lifting point.)
3. Pump the Handle until the top of the Jack’s Saddle
has nearly reached the vehicle lifting point. Position
the Saddle directly under the vehicle’s lifting point.
4. To lift the vehicle, pump the Handle of
the Jack. Use smooth, full strokes.
5. Once the vehicle is raised, slide a jack stand of
appropriate capacity (not included) under a proper
lifting point referred to in the vehicle owner’s
manual. Always use two jack stands, position them
at the same point on each side of the vehicle.
WARNING! The rated capacity of jack stands is
per pair, not the individual capacities combined
unless specifically noted on the product by the jack
stand manufacturer. Do not exceed rated jack stand
capacity. Ensure that the vehicle support points
are fully seated in the saddle of both jack stands.
Use a matched pair of jack stands per vehicle to
support one end only. Failure to do so may result
in the load suddenly falling, which may cause
personal serious injury and/or property damage.
6. Center the vehicle’s lifting point(s) on the saddle of
the jack stand(s). Set the jack stand(s) to the same
height according to the manufacturer’s instructions,
making sure that they lock securely into position.
7. Slowly turn the Handle counterclockwise to lower
the vehicle onto the saddle(s) of the jack stand(s).
Then, turn the Handle firmly clockwise to close it.
Lowering
1. Carefully remove all tools, parts, etc.
from under the vehicle.
2. Position the Saddle under the lifting point.
Turn the Handle firmly clockwise and raise
load high enough to clear the jack stands,
then carefully remove jack stands.
3. Slowly turn the Handle counterclockwise
(never more than 1/2 full turn) to lower
the vehicle onto the ground.
4. Lower the Jack completely. Then, store in a
safe, dry location out of reach of children.
5. To prevent accidents, turn off the tool and
disconnect its power supply after use. Clean, then
store the tool indoors out of children’s reach.

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Maintenance and Servicing
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment.
If abnormal noise or vibration occurs, have the problem corrected before further use.
1. BEFORE EACH USE, inspect the general
condition of the tool. Check for:
• leaking hydraulic fluid
• loose hardware or parts
• misalignment or binding of moving parts
• cracked, bent or broken parts
• any other condition that may
affect its safe operation.
Thoroughly investigate and correct the causes for
all issues that are found. Do not use Jack until all
issues are understood and properly corrected.
ALSO, BEFORE EACH USE, thoroughly test
the Jack for proper operation prior to actual use.
If the Jack’s motion seems spongy or the
Saddle does not lift completely, follow
Bleeding instructions on page 6.
2. AFTER USE, wipe dry with a clean cloth. Then,
store the Jack in a safe, dry location out of reach
of children and other non-authorized people.
NOTICE: Storing the Jack in a humid area or
exposing it to corrosive vapor voids the warranty.
3. Weekly - Jack Lubrication:
a. Lubricate according to the below steps using
only general purpose lithium grease.
b. Inject grease into each of the grease fittings.
c. Lubricate the linkages and pivot points lightly.
Note: Improper or inadequate
lubrication voids the warranty.
4. Change the hydraulic oil at least
once every three years:
a. With the Jack fully lowered, remove both Screws
on the end of the Cover Plate that is closer to
the Saddle. Swing the Cover Plate open.
b. Remove the Fill Plug on the top of the Cylinder.
c. Tip the Jack to allow the old hydraulic oil
to drain out of the Housing completely,
and dispose of the old hydraulic oil in
accordance with local regulations.
d. Turn the Jack upright. Add non-detergent
22 weight hydraulic jack oil into the Fill Plug
hole slowly until the oil level just reaches
the top of the Piston inside the Cylinder.
e. Replace the Fill Plug, close the
Cover Plate, and reinstall the Screws.
f. Follow instructions for
Bleeding Trapped Air on page 6.
Fill Plug
Cylinder
Piston
Oil
FILL LEVEL
Figure C: Fill Level

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Troubleshooting
TO PREVENT SERIOUS INJURY:
Use caution when troubleshooting a malfunctioning jack. Stay well clear of the supported load.
Completely resolve all problems before use. If the solutions presented in the Troubleshooting guide
do not solve the problem, have a qualified technician inspect and repair the jack before use.
After the jack is repaired: Test it carefully without a load by raising and lowering it fully,
checking for proper operation, BEFORE RETURNING THE JACK TO OPERATION.
DO NOT USE A DAMAGED OR MALFUNCTIONING JACK!
POSSIBLE SYMPTOMS PROBABLE SOLUTION
(Jack must not be supporting a load
while attempting a solution.)
Jack will
not lift at
capacity
Saddle
lowers
under load
Pump stroke feels
spongy or Saddle
does not lift all the way
Handle moves
up when Jack
under load
Fill Plug leaking
oil or Jack will not
lower without a load
X X
Check that Release Valve
is fully closed.
Bleed trapped air from the hydraulics.
X X X
Valves may be blocked and may not
close fully. To flush the valves:
1. Lower the Saddle and securely
close the Release Valve.
2. Manually lift the saddle
several inches.
3. Open the release valve
and force the saddle down
as quickly as possible.
X X
Jack may be low on oil.
Check the oil level and fill if needed.
See step 4 on facing page.
Jack may have air trapped
in the hydraulics.
Follow instructions for
Bleeding Trapped Air on page 6.
X
Jack may have too much
hydraulic oil inside, check
fluid level and adjust if needed.
Fill Plug
Cylinder
Piston
Oil
FILL LEVEL
Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected]

Page 10 For technical questions, please call 1-888-866-5797. 64200 56642 64783
Part Description Qty.
1 Upper Handle 1
2 Position Pin 1
3 Handle Foam 1
4 Lower Handle 1
5 Ring 1
6 Handle Socket 1
7 Screw 1
8 Roller 1
9 Pin 1
10 Cover Plate 1
11 Limiting Bar 2
12 Washer 2
13 Lock Washer 4
14 Lock Washer 1
15 Bolt 1
16 Bolt 4
17 Lock Washer 4
18 Bolt 4
19 Screw 4
20 Lock Washer 4
21 Nut 2
22 Screw 2
Part Description Qty.
23 Adjustment Plate 2
24 Ring 2
25 Frame 1
26 Wheel 2
27 Washer 2
28 Ring 2
29 Pump 1
30 Spring 2
31 Cotter Pin 1
32 Ring 2
33 Top 1
34 Nut 2
35 Wheel 2
36 Ring 2
37 Axle 1
38 Oil Cup 1
39 Lifting Arm 1
40 Saddle 1
41 Screw 1
42 Rubber Pad 1
43 Bolt 1
44 Lock Washer 1
Record Product’s 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. Parts may not be interchangeable.
Specify UPC number when ordering parts:
Orange: 193175353405
Blue: 193175490667
Green: 193175490674
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL 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.
Parts List and Diagram
Parts List

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Assembly Diagram

26677 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
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.