Harbor Freight Tools 93374 User's Manual
Contents
1. Change the hydraulic oil at least once every three years To do so with the Bottle Jack fully lowered remove the Oil Filler Plug on the side of the Housing Tip the Bottle 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 With the Bottle 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 Then reinstall the Oil Filler Plug See Diagrams pg 5 When cleaning use a clean cloth with a detergent or mild solvent Then store the Bottle Jack in a safe dry location out of reach of children and other non authorized people WARNING All maintenance service or repairs not listed in this manual are only to be attempted by a qualified service technician Bottle Jacks For technical questions please call 1 800 444 3353 Page 7 Jack will not lift at its weight capacity ing for proper operation BEFORE RETURNING THE JACK TO OPERATION Saddle lowers under load POSSIBLE SYMPTOMS Pump stroke feels spongy Saddle will not lift all the way Troubleshootin Handle moves up when jack is under load WARNING When trying to troubleshoot a malfunctioning jack the utmost caution must be exercised Al ways stay well clear of all loads that are being supported Make certain that all operational problems with the bottle jack are fully r2. Bottle Jacks For technical questions please call 1 800 444 3353 Page 2 10 11 ae If damaged have the jack serviced before using Check for loose screws mis alignment or binding of moving parts loose mounting cracked or broken parts low hydraulic oil level and any other condition that may affect its safe operation Many accidents are caused by poorly maintained jacks Jack service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a jack use only identical replacement parts refer to attached product specific parts list and diagram Follow instructions in the Inspec tion Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of injury SPECIFIC SAFETY RULES WARNING Do not exceed the maximum lift capacity for the Bottle Jack as stated on the product label and the specifications table Overloading the Jack could cause serious personal injury and or property damage The Bottle Jack is designed for intermittent use only Do not use the Jack to support a vehicle over extended periods of time The duration of the lifting job should be kept as short as possible Always use jack stands to support a vehicle over an extended period of time Maintain labels and nameplates on the Bottle Jack These carry important in formation If
3. C CENTRAL HYDRAULICS BOTTLE JACK OPERATING INSTRUCTIONS 93370 93373 93374 93376 93378 93436 O A S 93437 93438 93783 95643 Distributed Exclusively by N HARBOR FREIGHT yip 3 TOOLS mik 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2007 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 and replacement parts please call 1 800 444 3353 UNPACKING When unpacking check to make sure that the product is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly oper ating inspection maintenance and cleaning procedures parts list and assembly diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual and invoice in a safe and dry place for future reference GENERAL SAFETY PRECAUTIONS A WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed in the following pages may result in electric shoc
4. Diagrams pg 5 Carefully position the Saddle of the Jack under the vehicle manufacturer s recom mended lifting point If equipped the Elevating Screw can be used to alter the height of the jack s saddle it is adjusted by turning it clockwise or counterclockwise See vehicle manufacturer s owner s manual for location of seam lifting point when lifting only one wheel and frame lifting points when lifting the entire front or rear end of the vehicle See Diagrams pg 5 Pump the Handle Assembly until the top of the Jack s Saddle has nearly reached the vehicle lifting point NOTE The Jack should be positioned at 90 degrees to the vehicle s lifting point to ensure the Jack s Saddle and vehicle lifting point are in alignment If not remove and reposition the Jack before lifting the vehicle To lift the vehicle pump the Handle Assembly of the Jack Use smooth full strokes for best results See Diagrams pg 5 Once the vehicle is raised slide a jack stand of appropriate capacity not included to the proper lifting point referred to in the vehicle owners manual If using two jack stands make sure they are on the same point on each side of the vehicle Center the vehicle s lifting point s on the saddle of the jack stand s Set up the jack stand s according to the manufacturer s instructions making sure that they lock securely into position NOTE If using two jack stands make sure they are at the same height Slo
5. general condition of the Bottle Jack Check for bro ken 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 make sure to thoroughly test the Bottle Jack for proper op eration prior to its actual use If the Bottle Jack appears not to be working properly it may be necessary to bleed its hydraulic system of excess air To do so remove the Oil Filler Plug Assemble the complete Handle Assembly and lower the saddle of the jack fully Insert the lower portion of the Handle Assembly onto the Valve Release Screw Turn the Handle Assembly clockwise to close the Valve Re lease Screw Insert the Handle Assembly into the Plunger Fulcrum Assembly Apply pressure to the Saddle and pump the Handle Assembly slowly several times The trapped air is pressurized and will be audible when released in this manner Once bled of air check the Oil Fill Hole and if necessary top off the Oil Fill Hole with hydraulic oil Then replace the Oil Filler Plug Turn the Handle Assembly counter clockwise slowly to completely lower the Jack Test the Jack several times for proper operation before attempting to lift a load If after purging the Jack still does not appear to be working properly do not use the Jack until it has been repaired by a qualified service technician See Diagrams pg 5
6. unreadable or missing contact Harbor Freight Tools for a replacement Prior to using the Bottle Jack make sure to read and understand all warn ings safety precautions and instructions as outlined in the manufacturer s instruction manual for the vehicle or object you will lift When lifting only one wheel make sure to support the load immediately with one jack stand not included placed under the side of the vehicle being lifted Align the saddle of the jack stand directly under the vehicle s seam or recommended lifting point When lifting the entire front end or rear end of a vehicle make sure to support the load immediately with two jack stands Align the saddles of the jack stands directly under the vehicle s frame or recommended lifting points Also make sure the jack stands are adjusted at the same height Make sure the Bottle Jack is used only on a dry oil grease free flat level solid surface capable of supporting the weight of the vehicle being lifted and any additional tools and equipment Do not work under the vehicle without properly supporting the vehicle with jack stands Make sure the load and jack stands are stable before getting under a vehicle Bottle Jacks For technical questions please call 1 800 444 3353 Page 3 10 11 12 13 14 15 16 17 18 19 20 21 22 Use the Bottle Jack only on vehicles whose frames have lifting points on its seam or frame capable of aligni
7. esolved 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 it and lowering it fully check PROBABLE SOLUTION Make certain that the jack is not Oil leaking from supporting a load while attempt filler plug NEVER USE A MALFUNCTIONING JACK ing a solution Check that Release Valve is closed fully 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 Jack may be low on oil Check the oil level and refill if needed Jack may require bleeding see instructions on page 7 Unit may have too much hydraulic oil inside check fluid level and adjust if needed For technical questions please call 1 800 444 3353 Page 8 Bottle Jacks
8. is not to be used for aircraft purposes Never modify the Bottle Jack in an attempt to use it for a purpose it was not designed for WARNING 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 Bottle Jacks For technical questions please call 1 800 444 3353 Page 4 OPERATING INSTRUCTIONS ik IMPORTANT Prior to its first use make sure to check for proper hydraulic oil level in the Bottle Jack Then thoroughly test the Bottle Jack for proper op eration prior to its actual use If the Bottle Jack appears not to be working properly it may be necessary to bleed its hydraulic system of excess air To do so remove the Oil Filler Plug Assemble the complete Handle Assembly and lower the saddle of the jack fully Insert the slot on the lower portion of the Handle Assem bly over the Valve Release Screw Turn the Handle Assembly clockwise to close the Valve Release Screw Insert the Handle Assembly into the Plunger Fulcrum As sembly Apply pressure to the Saddle and pump the Handle Assembly slowly several times The trapped air is pressurized and will be audible when released in this manner Once bled of air check the Oil Fill Hole and if necessary top off the Oil Fill Hole with hydraulic oil Then replace the Oil Fil
9. k fire and or serious injury SAVE THESE INSTRUCTIONS 1 Keep your work area clean and well lit Cluttered work areas invite accidents 2 Keep bystanders children and visitors away while operating jack Distrac tions can cause you to lose control Protect others in the work area 3 Stay alert Watch what you are doing and use common sense when operat ing a jack Do not use a jack while tired or under the influence of drugs alcohol or medication A moment of inattention while operating jacks may result in serious personal injury 4 Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts 5 Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the jack in unexpected situations 6 Use safety equipment Always wear ANSI approved safety impact goggles steel toed safety shoes boots and heavy duty work gloves when using this product 7 Do not force the jack Use the correct jack for your application The correct jack will do the job better and safer at the rate for which it is designed 8 Store idle jacks out of reach of children and other untrained persons Jacks are dangerous in the hands of untrained users 9 Maintain jacks with care Do not use a damaged jack Tag damaged jacks Do not use until repaired
10. ler Plug Turn the Handle Assembly counterclockwise slowly to completely lower the Jack Test the Jack several times for proper operation before attempting to lift a load If after purging the Jack still does not appear to be working properly do not use the Jack until it has been repaired by a qualified service technician See Diagrams below 7 SADDLE ELEVATING NN SCREW some models NS S OIL FILL HOLE a H 3 E X VALVE N RELEASE VALVE SCREW RELEASE SCREW i OIL FILLER PLUG PLUNGER FULCRUM ASSY HANDLE ASSEMBLY NOTE There may be some slight differences in the appearance of the various jacks however the instructions in this manual apply to all of the jacks Bottle Jacks For technical questions please call 1 800 444 3353 Page 5 WARNING Make sure the vehicle is parked on a flat level solid ground 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 block the wheels that are not being lifted Check to make sure the Jack is fully lowered If not assemble the Handle Assem bly Insert the lower portion of the Handle Assembly into the Valve Release Screw and turn the Handle Assembly counterclockwise to lower the Jack Once the Jack is fully lowered turn the Handle Assembly firmly clockwise to close the Valve Re lease Screw See
11. ng with the Saddle of the Jack Avoid dangerous oncoming traffic Always use the Bottle Jack as far away from the roadside as possible Do not use the Bottle Jack with the vehicle s engine running Make sure to place the vehicle s transmission in Park if automatic or 1st Gear if manual Then set the emergency brake and block the tires opposite the tire being lifted Industrial applications must follow OSHA requirements Always keep hands fingers and feet away from all moving parts of the Bottle Jack when applying or releasing a load Remain clear of the vehicle being raised or lowered People and animals should be kept at a safe distance when using the Jack Use extreme caution when applying or releasing a load Never allow the load to suddenly release Slowly and carefully apply and release the load Do not allow anyone in the vehicle while using the Bottle Jack Keep all by standers a safe distance away from the vehicle Never leave the Bottle Jack unattended when the Jack is under a load Never support both ends of the vehicle at the same time Before lowering the Bottle Jack make sure tool trays jack stands and all other tools and equipment are removed from under the vehicle Do not stand on the Bottle Jack as it may tip causing personal injury If changing a damaged tire make it easier to remove the lug nuts by slightly loosening the lug nuts before raising the tire off the ground This Bottle Jack
12. wly turn the Handle Assembly counterclockwise to open the Valve Release Screw and lower the vehicle onto the saddle s of the jack stand s Then turn the Upper Lower Handle Assembly firmly clockwise to close the Valve Release Screw See Diagrams pg 5 While standing safely aside gently rock the vehicle to determine if it is stable on the jack stand s If it is not raise the vehicle and reposition the jack stand s WARNING When performing this procedure be prepared and stand clear of the vehicle as the vehicle can fall off the jack stand s causing personal in jury and or property damage When the repair work to the vehicle is completed make sure to remove all tools old vehicle parts etc from under the vehicle Bottle Jacks For technical questions please call 1 800 444 3353 Page 6 Make certain that the Saddle is still in position under the lifting point Turn the Handle Assembly firmly clockwise to close the Valve Release Screw and pump the Upper Lower Handle Assembly to raise the vehicle slightly above the saddle s of the jack stands Then collapse the jack stand s and remove it from under the vehicle Slowly turn the Handle Assembly counterclockwise never more than two full turns to lower the vehicle onto the ground See Diagrams pg 5 Lower the Bottle Jack completely Then store the Jack in a safe dry location out of reach of children INSPECTION MAINTENANCE AND CLEANING Before each use inspect the
Download Pdf Manuals
Related Search