Harbor Freight Tools Automobile Parts 68783 User Manual

2-Ton Compact Floor Jack  
Specifications  
68783 Floor Jack  
Weight Capacity 2 Tons (4,000 lb.)  
Maximum Height 13 IN.  
Minimum Height 5 IN.  
When unpacking, make sure that the product is intact and undamaged. If any parts are missing  
or broken, please call Harbor Freight Tools at 1-800-444-3353 as soon as possible.  
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.  
©
®
Copyright 2009 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.  
Manual Revised 11f  
 
Adding Oil  
1. Remove the Oil Fill Screw (Fig. 2).  
Jack Components  
2. Add qualified hydraulic oil of high grade into  
the Fill Screw (Fig. 2) opening slowly until  
the oil reaches the top of the oil fill hole.  
Saddle  
Lifting Arm  
Note: Do not touch Handle when adding the hydraulic oil.  
Oil Fill Screw  
(Not Shown)  
Handle  
Socket  
3. Replace the Fill Screw (Fig. 2).  
Lifting  
1. 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.  
2. Turn the Release Screw (located under the  
Handle Socket) counterclockwise to lower the  
Jack. Once the Jack is fully lowered, turn the  
Release Screw firmly clockwise to close it.  
Release Valve  
Handle  
Fig. 1  
Handle Socket  
3. Carefully position Saddle of Jack (Fig. 1) under the  
vehicle manufacturer’s recommended lifting point. If  
equipped, the Elevating Screw can be used to alter the  
height of the jack’s saddle; it is adjusted by turning the  
saddle clockwise or counterclockwise. (See vehicle  
manufacturer’s owner’s manual for location of frame  
lifting point when lifting only one wheel, and frame lifting  
points when lifting entire front or rear end of vehicle.)  
Oil Fill Screw  
4. Pump the Handle until the top of the Jack’s Saddle  
has nearly reached the vehicle lifting point.  
Note: The Jack should be positioned at 90° to the  
vehicle’s lifting point to ensure the Jack’s Saddle  
and vehicle lifting point are in alignment. If not,  
reposition the Jack before lifting the vehicle.  
Hydraulic Unit  
Fig. 2  
5. To lift the vehicle, pump the Handle of the Jack.  
Use smooth, full strokes for best results.  
Setup and Operation  
6. Once the vehicle is raised, slide a jack stand of  
appropriate capacity (not included) under the  
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.  
Attaching the Handle  
1. Insert the Handle into the Handle Socket.  
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 captured between the outer  
lugs of both jack stands. Use a matched pair of jack stands  
per vehicle to support one end only. Use 1 pair per vehicle  
only. Failure to do so may result in sudden loss of load,  
which may cause personal injury and/or property damage.  
2. Turn Handle clockwise until Handle bases  
is securely threaded into Socket.  
Bleeding  
1.  
Loosen the Oil Fill Screw (Fig. 2).  
2. Insert the Handle into the Release Valve.  
3. Turn the Handle (Fig. 1) counterclockwise to open valve.  
4. Insert the Handle into the Handle Socket. Pump  
the Handle (Fig. 1) up and down quickly for several  
times to purge the air from the system.  
5. Tighten the Oil Fill Screw (Fig. 2).  
SKU 68783  
For technical questions, please call 1-800-444-3353  
Page: 2  
 
7. Center the vehicle’s lifting point(s) on the saddle of  
the jack stand(s). Set the jack stand(s) according  
to the manufacturer’s instructions, making  
Inspection, Maintenance, & Cleaning  
sure that they lock securely into position.  
Procedures not specifically explained  
in this manual must be performed  
only by a qualified technician.  
Note: Always set both Jack Stands at the same height.  
8. 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.  
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.  
Lowering  
1. Carefully remove all tools, parts, etc.  
from under the vehicle.  
1. Before each use, inspect the general condition of the  
Jack. Check for broken, cracked, or bent parts, loose  
or missing parts, and any condition that may affect the  
proper operation of the product. If a problem occurs,  
have the problem corrected before further use.  
Do not use damaged equipment.  
2. Position the Saddle under the lifting point. Turn the  
Release Screw firmly clockwise and pump the Handle  
to raise the vehicle slightly above the saddles of the  
jack stands. Then lower the Jack Stand Saddles to  
their lowest position and carefully remove jack stands.  
2. Before each use, thoroughly test the Jack  
for proper operation prior to its actual use.  
If the Jack appears not to be working properly,  
follow Bleeding instructions on page 2.  
3. Slowly turn the Handle counterclockwise (never more  
than two full turns) to lower the vehicle onto the ground.  
4. Lower the Jack completely. Then, store in a  
safe, dry location out of reach of children.  
3. Change hydraulic oil at least once every three years:  
a. With the Jack fully lowered, remove the Oil  
Fill Screw on the side of the Hydraulic Unit.  
b. 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.  
c. With the Jack upright, completely fill the Housing  
with a high quality hydraulic oil (not included) until  
the oil just begins to run out of the oil fill hole.  
d. Open the Release Screw and pump the  
Handle to bleed air from the system.  
e. Recheck oil level and re-fill as needed.  
f. Reinstall the Oil Filler Plug.  
4. 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.  
SKU 68783  
For technical questions, please call 1-800-444-3353  
Page: 3  
 
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  
(Make certain that the jack is not  
supporting a load while attempting a  
solution.)  
Handle  
Jack will  
not lift at  
its weight  
capacity  
Pump  
stroke  
feels  
Saddle  
lowers  
under load  
Saddle will moves up Oil leaking  
not lift all  
the way  
when jack from filler  
is under  
load  
plug  
spongy  
Check that Release Valve is fully closed.  
Bleed air from the system.  
X
X
X
X
Valves may be blocked and may not  
close fully. To ush the valves:  
1. Lower the Saddle and securely  
close the Release Valve.  
X
2. Manually lift the saddle several inches.  
3. Open the release valve and force the  
saddle down as quickly as possible.  
Jack may be low on oil.  
Check the oil level and refill if needed.  
X
X
X
Jack may require bleeding -  
see instructions on page 2.  
Unit may have too much  
hydraulic oil inside, check fluid  
level and adjust if needed.  
X
SKU 68783  
For technical questions, please call 1-800-444-3353  
Page: 4  
 
PLEASE READ THE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS  
PROVIDED THE PARTS DIAGRAM IN THIS MANUAL  
AS A REFERENCE TOOL ONLY. NEITHER THE  
MANUFACTURER NOR 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  
Part  
Description  
Qty  
1
1
1
1
1
1
4
4
Part  
Description  
Qty  
1
1
1
2
2
2
2
2
1
2
3
4
5
6
7
8
9
Handle  
12 Carrying Handle  
Hydraulic Ram  
Oil Fill Plug  
13 Lifting Arm  
14 Saddle  
15 Wheel  
16 Flat Washer  
17 Caster  
18 Spring Washer (M8)  
19 Nut (M8)  
Handle Bracket  
Release Valve  
Overload Valve  
Spring Washer (M12)  
Nut (M12)  
C-Ring  
1
1
1
20 Spring Washer (M10)  
21 Nut (M10)  
2
2
10 Spring  
11 Cover Plate  
SKU 68783  
For technical questions, please call 1-800-444-3353  
Page: 5  
 
Assembly Diagram  
SKU 68783  
For technical questions, please call 1-800-444-3353  
Page: 6  
 
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.  
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.  
This warranty gives you specific legal rights and you may  
also have other rights which vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
 

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