Harbor Freight Tools Motorcycle 91764 User Manual

1000 Lb. Motorcycle Lift  
91764  
ASSEMBLY AND OPERATING INSTRUCTIONS  
Diagrams within this manual may not be drawn proportionally.  
Due to continuing improvements, actual product may differ slightly from the product  
described herein.  
Distributed exclusively by Harbor Freight Tools®.  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Read this material before using  
this product. Failure to do so  
can result in serious injury.  
SaVe THiS manual.  
Copyright© 2004 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.  
For technical questions or replacement parts, please call 1-800-444-3353.  
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2. Observe work area conditions. Do not use machines or power tools in damp  
or wet locations. Don’t expose to rain. Keep work area well lighted.  
3. Keep children away. Children must never be allowed in the work area. Do  
not let them handle machines, tools, or extension cords.  
4. Store idle equipment. When not in use, tools must be stored in a dry location  
to inhibit rust. Always lock up tools and keep out of reach of children.  
5. Use the right tool for the job. Do not attempt to force a small tool or  
attachment to do the work of a larger industrial tool. There are certain  
applications for which this tool was designed. It will do the job better  
and more safely at the rate for which it was intended. Do not modify this  
tool and do not use this tool for a purpose for which it was not intended.  
6. Dress properly. Do not wear loose clothing or jewelry as they can be caught  
in moving parts. Protective, clothes and non-skid footwear are recommended  
when working. Wear restrictive hair covering to contain long hair.  
7. Use eye and ear protection. Always wear ANSI approved impact safety  
goggles.Wear an ANSI approved dust mask or respirator when working around  
metal, wood, and chemical dusts and mists.  
8. Do not overreach. Keep proper footing and balance at all times. Do not reach  
over or across running machines.  
9. Maintain tools with care. Keep tools sharp and clean for better and safer  
performance.Follow instructions for lubricating and changing accessories. The  
handles must be kept clean, dry, and free from oil and grease at all times.  
10. Remove adjusting keys and wrenches. Check that keys and adjusting  
wrenches are removed from the tool or machine work surface before  
operating.  
11. Avoid unintentional lowering. Keep feet and hands away from the pump  
pedal and release pedal when you are not prepared to raise or lower the lift.  
Be sure that the Locking Bar (22) is in place during the time that the lift is not  
intended to be lowered.Remove the Locking Bar only when you intend to lower  
the lift, and it is safe to do so.  
12. Stay alert. Watch what you are doing, use common sense.Do not operate any  
tool when you are tired.  
13. Check for damaged parts. Before using any tool, any part that appears  
damaged should be carefully checked to determine that it will operate properly  
and perform its intended function. Check for alignment and binding of moving  
parts; any broken parts or mounting fixtures; and any other condition that may  
affect proper operation. Any part that is damaged should be properly repaired  
or replaced by a qualified technician.  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 3  
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14. Replacement parts and accessories. When servicing, use only identical  
replacement parts. Use of any other parts will void the warranty. Only use  
accessories intended for use with this tool.Approved accessories are available  
from Harbor Freight Tools.  
15. Do not operate tool if under the influence of alcohol or drugs. Read warning  
labels on prescriptions to determine if your judgment or reflexes are impaired  
while taking drugs. If there is any doubt, do not operate the tool.  
16. Maintenance. For your safety, service and maintenance should be performed  
regularly by a qualified technician.  
17. Do not exceed the weight limit of this lift. Overloading the lift may result in  
unexpected, rapid lowering of the object being held, as well as damage to the  
lift itself; serious injury and property damage may result.  
18. Assure that any load being supported by this lift is well balanced.  
Unbalanced loads may cause the lift to fall over, potentially causing serious  
personal injury or property damage.  
19. This lift is not to be used for any aircraft purposes.  
20. WARNING: Before standing or working underneath any elevated motorcycle,  
be sure that the motorcycle is properly and safely secured. For your safety and  
the safety of others, use good professional practice and common sense.  
Caution: Always be aware of Dynamic Loading. If you drop a weight on the  
Motorcycle Lift. It may create for a brief instant, an excess load. The Motorcycle  
Lift is designed for 1,000 lbs. maximum load; do not exceed.  
Warning:The warnings,cautions,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.  
Unpacking  
When unpacking, check to make sure the following parts are included.  
Main Lift Assembly  
Ramp  
Sliding Plate  
Vise Assembly  
Lift Foot Pedal  
Locking Bar  
Release Foot Pedal  
Fastener Hardware Kit  
If any parts are missing or broken, please call Harbor Freight Tools at the number  
on the cover of this manual.  
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Assembly  
Prepare for assembly by having a clean, well lighted location. You will probably  
assemble the lift on the floor, but a work table will be helpful for some sub-assembly.  
You will need several small open-end or adjustable wrenches (not included) to  
complete assembly.  
1) Place the Sliding Plate (36) onto  
the Platform (35) to cover the rear  
wheel removal opening.  
Ramp (37)  
2) Attach the Ramp (37) to the end of  
the Platform (35) using Washers (23)  
and R-Pins (04).  
Platform (35)  
3) Fit the FrontWheelVise Assembly  
(34) to the front of the platform using  
Bolts (33), Washers (23), and Nuts  
(30). Always select the position  
Sliding Plate (36)  
that will best suit your particular  
motorcycle.  
4) Attach the Stop Plate (32) using  
Stop Plate (32)  
Bolts (33), Washers (23), and Nuts  
(30).  
5) Fit the Lift Foot Pedal (11) over  
the Pump Piston Spindle (9).  
6) Fit the Release Foot Pedal (10)  
over the Release Valve Spindle  
(5).  
First Use Instructions  
The Hydraulic unit is prefilled, so that you do not have to fill the hydraulic  
cylinder before use. However, during shipping the oil may become agi-  
tated. Before first use, let the oil settle for 1 hour before purging the system.  
NOTE: Failure to let the oil settle may result in air remaining in the oil, caus-  
ing the need for a second purging.  
1) Purge the system of air by fully pressing the Release Foot Pedal (10) and  
pumping the Foot Pedal (11) 15 to 20 times.  
2) Before first use, test the lift by raising it to full height and then lowering it.  
Depress the Foot Pedal (10) slowly to control the rate of descent.  
If the lift does not operate properly, let the oil settle for an additional hour before  
repeating the purging process.  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 5  
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WARNING: Do not overload this lift, which has a 1/2 Ton (1000 Lbs. capacity).  
The lift may be damaged, and you may experience unplanned, rapid lowering of  
the load. This may cause severe personal injury or property damage.  
WARNING: Do not carry an unbalanced load, or a load not appropriate to the  
designed use of this lift. The lift may topple over causing serious personal injury or  
property damage.  
Warning: With the lift in position and before the Motorcycle is on the lift, raise the  
Casters (14) off the ground to prevent the lift from moving during use. Raise the  
Casters by turning the Adjustment Screw (18) clockwise.  
Operation  
WARNING: Before standing or working underneath any elevated motorcycle, be  
sure that the motorcycle is properly and safely secured. For your safety and the  
safety of others, use good professional practice and common sense.  
1) Position the lift in a safe, secure area. Be sure that the surface on which you  
are working is level and solid, capable of supporting at least 1000 lbs.  
2) With the Sliding Plate (36) in place, roll the motorcycle onto the lift. Kick the  
center stand of the motorcycle down to stabilize it on the stand.  
3)  
Clamp the front wheel of the  
motorcycle into the Vise Assembly  
to prevent movement of the wheel.  
For maximum safety, you should also  
stabilize the motorcycle using tie-down  
straps (not included).  
Vise Assembly  
4)  
Pump the Lift Foot Pedal (11)  
repeatedly to raise the lift.  
5)  
When the platform has been  
raised to the working height, pass the  
Locking Bar (22) through the holes in  
the Front Lifting Arm (38) so the lift  
cannot be accidently lowered.You  
may now perform maintenance on  
the motorcycle.  
Locking Bar (22)  
Adjusting Screw (18)  
6) When the work is completed,  
check under the Lift to see that  
there are no obstructions, and that  
it is safe to lower the unit. Remove  
the Locking Bar (22), then slowly  
press the Release Foot Pedal (10)  
to slowly lower the unit.  
Caster (14)  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 6  
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NOTE: The speed of lowering is controlled by the Release Foot Pedal (10). It  
is advisable to operate this pedal slowly in a controlled and safe manner  
whenever lowering the Lift and its contents.  
7) When the Lift is lowered, open the vise jaws, and remove the motorcycle  
from the lift.  
WARNING: The use of this lift is limited to the raising, lowering, and trans-  
portation in the lowest position, of motorcycles. It is not designed to store  
motorcycles or other parts. No motorcycle or other part should be left on the lift  
for an extended period of time.  
Do not overload. The capacity of this lift is 1/2 Ton (1000 Lbs.). This lift is de-  
signed to use only on hard, level surfaces capable of supporting the load, the 350  
lb. weight of the Lift and all supporting tools. Overloading or use on other surfaces  
may cause instability and possible property damage or personal injury.  
Maintenance  
1) The hydraulic system is closed and will normally require no maintenance.  
2) The mechanical parts of the Lift, such as the pedal lift and release shafts  
should be occasionally lubricated with heavy oil or grease.  
3) Protect the Lift Cylinder from dirt or grit, when in the raised position. If it  
becomes dirty, wipe it off with a clean cloth.  
4) Maintain and store the Lift in a reasonably protected environment. Do not  
expose to rain or excess moisture. Protect from salt water or other corrosive  
materials. If it becomes dirty or contaminated, clean it promptly with clean  
water or a suitable detergent. If using a pressure washer, be aware that you  
may remove some paint from the outer surface. Never apply a pressure  
washer to the seal areas near the pistons or valves. Be sure to lubricate  
external moving parts after cleaning.  
5) If the lift “fades”, allowing a load to slowly lower on its own, you may have  
damaged seals or insufficient lift oil. First check the oil level. If the level  
is OK, take the lift to a qualified service technician for seal replacement.  
Damaged seals may be caused by overloading, or exposure to harmful  
conditions or inappropriate use of a pressure washer. NOTE: If the lift can  
be pumped up to its highest position, it indicates that there is enough oil. If  
the lift fades from this position, it indicates that the problem is likely with the  
seals.  
6) To check the oil level, be sure the lift is in its lowest position. Remove the  
Oil Filler Plug (P22). The oil level should be even with the bottom of the filler  
plug hole.You can visually see the oil, or test with your finger. If the oil level is  
low, add any good hydraulic oil of 15/40 viscosity. Do not use any other oil or  
brake fluid, which will damage the seals.  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 7  
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Parts List  
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Parts List Continued  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 9  
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Assembly Drawing  
NOTE: Some parts are listed and shown for illustration purposes only and are not available  
individually as replacement parts.  
SKU 91764 For technical questions, please call 1-800-444-3353. Page 10  
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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 altera-  
tions 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 limi-  
tation 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.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
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 REP-  
RESENTATION 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 STATESTHAT 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.  
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