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for technical questions, please call 1-800-444-3353.

SKU 91764

Always use at least 2 wheel chocks 

2. 

(one for a front ATV wheel and one 

for a back ATV wheel) to prevent 

movement of the ATV while it is 

being worked on.  Wheel chocks are 

not included, but are available from 

Harbor Freight Tools (recommend 

a non-slip rubber Wheel Chock like 

Item 65320 or Item 06479).
Always secure the ATV to the Lift 

3. 

using tie down straps (not included).

inSpection, Maintenance, 

and cleaning

  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. 

lock the lift with the locking 

bar (22) before servicing in 

the raised position.

before each use, 

1. 

inspect the general 

condition of the Lift.  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.
before each use, thoroughly test 

2. 

the lift for proper components 

functionality prior to its actual 

use.  if the lift appears 

not

 to be 

working properly, follow 

Bleeding

 

instructions.

The mechanical parts of the Lift, such 

3. 

as the pedal lift and release shafts 

should be occasionally lubricated with 

heavy oil or grease.
Protect the Lift Cylinder from dirt or 

4. 

grit when in the raised position. If it 

becomes dirty, wipe it off with a clean 

cloth before lowering.
Maintain and store the Lift in a 

5. 

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.
If the lift slowly lowers on its own, 

6. 

it may have damaged seals or 

insufficient 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 raised to its 

highest position, it indicates that there 

is enough oil. If the lift slowly lowers 

from this position, it indicates that the 

problem is likely with the seals.

Summary of Contents for 91764

Page 1: ...ved 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...

Page 2: ...h 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 NOTICE...

Page 3: ...labels and nameplates 18 on the lift These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Read lifting requirements in service 19 manual of the mo...

Page 4: ...nder 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 manua...

Page 5: ...ining the proper tire mounting position Attach the Stop Plate 32 to the 10 Platform using Bolts 33 Washers 23 Lock Washers 31 and Nuts 30 Do not tighten Fit the Lift Foot Pedal 11 over the 11 Pump Pis...

Page 6: ...sed to the working height pass the Locking Bar 22 through the holes in the Front Lifting Arm 38 so the lift cannot be accidentally lowered Gently press release foot pedal to 8 lower the platform to re...

Page 7: ...ty prior to its actual use If the Lift appears not to be working properly follow Bleeding instructions The mechanical parts of the Lift such 3 as the pedal lift and release shafts should be occasional...

Page 8: ...Avoid mixing different brands of oils Do not use any other fluid or brake fluid Bleeding Note If the Lift appears not to be working properly it may be necessary to bleed trapped air from its hydrauli...

Page 9: ...cidental 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 me...

Page 10: ...Arm Top Rod 1 52 Front Axle 1 53 Bolt M6 30 4 54 Set Screw M8 10 1 55 U Clamp 2 56 Nut M8 8 57 Grease Fitting 7 PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the...

Page 11: ...Page 11 For technical questions please call 1 800 444 3353 SKU 91764 Main Assembly Diagram 35...

Page 12: ...Union Nut 1 P11 Screw 1 P12 Spring 1 P13 Release Valve 1 P14 O Ring 1 P15 Steel Ball 1 P16 Steel Ball 1 P17 Ball Cup 1 P18 Spring 1 Part Description Q ty P19 Screw 1 P20 O Ring 1 P21 Screw 1 P22 Scre...

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