Harbor Freight Tools 94641 User's Manual
Contents
1. CENTRAL HYDRAULICS 5 TON LONG FRAME JACK ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2006 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 Specifications Lifting Capacity 5 Tons 10 000 Lbs Minimum Saddle Height 55 Maximum Saddle Height 22 5 Handle Length 38 Overall Dimensions 5671 x15 Wxe H Hydraulic Fluid Capacity 0 9 Quarts Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines in damp or wet locations expose to rain Keep work area well lit 32. not under any part of the vehicle before lowering the Jack or removing the jack stands Slowly turn the Screw Rod 1 4 to the left and move the Handle 1 5 back and forth until the Screw Rod drops as far as it will go Now turn the Screw Rod 1 4 right to open the release valve and lower the vehicle Pull the Jack clear of the vehicle and store in a safe place General Maintenance 1 2 3 Keep the Jack clean and dry Periodically lubricate the bearing and axles on the caster wheels with high quality grease Use a grease gun not included to service the Jack s zerk fittings Have a qualified service technician periodically dismantle and lubricate the handle assembly and all lift arm linkages Watch for hydraulic oil leaks Fill oil if necessary If leaks persist contact an authorized service technician Never use the Jack if it is leaking hydraulic oil If the Jack does not lift to satisfaction it may have air in the hydraulic system and need to be bled Note Bleeding and oil fill instructions follow on page 6 SKU 94641 For technical questions please call 1 800 444 3353 Page 5 Maintenance continued If the Jack is not performing properly it may have air in the hydraulic system and need to be bled Never attempt to bleed the Long Frame Jack while it is lifting a vehicle or object Bleeding and filling the Jack with hydraulic oil See the Assembly Drawing on page 8 Filling 1 2 Place the Jack on a flat
3. Keep children away Children must never be allowed in the work area Do not let them handle the Jack 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 electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye protection Always wear ANSI approved impact safety goggles 8 not overreach Keep proper footing and balance at all times Do not reach over across Jack or Jack Stands during use SKU 94641 For technical questions please call 1 800 444 3353 Page 2 12 Maintain tools with care Keep tools clean for better and safer performance Follow instructions for lubricating and changing accessories The handle must be kept clean dry and free from oil and grease at all times Stay alert Watch what you are doing use common sense Do not operate any tool when you are t
4. cle 9 Never use the Jack unless it is filled with hydraulic fluid Filling with hydraulic fluid is covered in the maintenance section of this manual 10 NEVER USE THIS JACK FOR AIRCRAFT PURPOSES 11 Caution Always be aware of Dynamic Loading If you drop a weight on the Long Frame Jack it may create for a brief instant an excess load The Long Frame Jack is designed for a maximum load of 10 000 Ibs do not exceed this lifting capacity 12 Bypass Valve 6 34 is preset by the factory and must not be adjusted by the user Any adjustment in the Bypass Valve could result in failure of the jack personal injury and or property damage Assembly Insert the Handle 1 5 into the opening on the top 4 of the Handle Fork 2 4 and secure it with the Washer 1 6 and the Screw 1 7 See Assembly Drawings on page 8 Handle 1 5 Handle Fork 2 4 Saddle 7 1 _____ Foot Pedal 2 1 SKU 94641 For technical questions please call 1 800 444 3353 Page 4 Operation Raising the Vehicle 1 Position the Jack so that the Saddle 7 1 is at of recommended lifting points Pull back on the Screw Rod 1 4 and turn it to the right see label on handle to lock the release valve Pump the Handle 1 5 or the Foot Pedal 2 1 until the Saddle 7 1 fully engages the lifting point then continue to pump the Jack to the needed height Use jack stands not included that are capable of supporting the weight of t
5. cle Move the Saddle 7 1 up and down several times to make sure it is working properly If not repeat the above process SKU 94641 For technical questions please call 1 800 444 3353 Page 6 Handle Assembly Drawing roy At 5 7 gt yore ey Sre DNAN pre SS 7 For technical questions please call 1 800 444 3353 SKU 94641 Jack Assembly Drawing SKU 94641 For technical questions please call 1 800 444 3353 Page 8 Parts List Item No Description Description Item No 11 cover 3 24 connecting rod 3 61 1 2 compression spring 3 25 _ driying brush 3 62 screw tube 1 3 _ defector rod 3 26 3 63 elbow joint 1 4 screw rod 3 27 3 64 union 1 5 control rod 3 28 piston rod 3 65 _ spiral clamp rin L6 washer 3 29 flocking nut 3 66 hose 1 7 fastening screw 3 30_ ring 3 67_ spring 21 pedal 3 31 dust proof ring 3 69 2 2 _ circlio 3 32 ring 3 70 _ filter nozzle 2 3 pin 3 33 dust proof ring 3 71 ease 2 4 member 3 34 dust proof ring 3 72_ spring 2 5 bush 3 35 outside tube 3 73 2 6 base 3 364_ washer 3 74 piston rod 2 7 spring 3 36_ ring 3 75_ seal ring 2 8 pin 3 37 _ fastering nut 3 76 rubber ring 29 13 38 3 77_ rubber ring 2 10 shar
6. e 3 39 base 3 78 throttle 2 11 screw 3 40 _ pump body 3 79_ handle cover 2 12 washer 3 40A_ o ring 3 80 locking spring 2 13 washer 3 41 rubber ring _ 3 81_ pin 2 14 camp ring 3 42_ seal ring 3 90_ union 31 fiter 3 43 _ plug bush 3 91 3 2__ washer 3 44 plug cover 3 3 _ outside tube 3 45 4 2 _ wheel cover 3 4 _ washer 4 3 injecting oll nozzle 3 5 _ vatve seat 4 4 _ washer 3 6 3 46 spring _ 45 screw 37 3 47 holder 4 6 bearing cover 3 8 nut 3 48 _ piston 4 7 _ steel ball 3 9 _ spring 3 49 rubber o ring _ 4 8 bearing noider 3 10 _ screw rod 3 4 9 wheel fork 3 11 robber ring 350 seai ring 4 10_ wheet 3 12 _ robber ring 3 51_ seal throattle 431 rivet 3 13 _ cylinder bod 3 52_ washer 51 3 14 cover plate 3 53 throattle rod 52 not 3 15 cover 3 54 rudder o ring _ 5 3 _ stop ring 3 16 3 55 rudder o ring 5 4 __ wheel 3 17__ bolt 3 56 pump body 5 5 _ pressure filter port 3 18 washer 3 57 56 _ roller 3 21_ nut 58 57 _ stop ring 3 22 connecting brush 3 59 rudder o ring 5 8 split ring 323 wire 3 60 cover 6 1 SKU 94641 For technical questions please call 1 800 444 3353 Page 9 Continued Parts List steel ball 3 stop ring large ball rod 4 level supporting red large nut washer axle ldust proof ring bott rocker ring steel ban 7 bort washer bush sprin
7. g axle seal ring screw injecting nozzle piston rod sesi ring split ring _ rubber cup screw 1 cover plate stop rin washer side plate spring 3 rivets piston rod spring 5 screw push needle valve seat washer valve seat steel ball 7 ut screw soring 8 nut spring washer 9 washer Tower body Stee ball small push rod pee CENTRAL HYDRAULICS LIMITED 90 DAY WARRANTY stn at ony tal pena ca iy Aerie cate cme ee ann oar Sera noe eee meres ae techy abusa acinar or onde our acilis oroade of oben ee eres a special ar consequential damages arising trom the use af our produc Some stale do not alow ee areca ener Sie nena eS Sera a EIS Reus Re ND ES ot tie peel rad ear Tesa mm ct ge il repair product at elton or we may oi purchase we cae ely and 9095 jov wih We wil reium 1 repaired products at our expense but if we determine thare s no defect thatthe detect resulted from ces etn sae tu waranty rst bear be cost al elung Pa 1 TPs warranty gies you spect lega ighis and you also ave ther rights wich vary s
8. g or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible SKU 94641 For technical questions please call 1 800 444 3353 Page 3 Specific Jack Safety Precautions Warning Stand clear of the Jack when raising or lowering a vehicle ay Jack Capacity Never exceed the Jack s capacity of 10 000 Lbs 5 Tons Check the vehicle s owner s manual to determine the actual gross weight of your vehicle before attempting to lift it 2 Never ride on the Jack Never ride on the Jack and never have people or pets in the vehicle you are raising 3 Only use Jack to raise vehicle After raising the vehicle use jack stands to keep the vehicle suspended for periods of time Do not work on or under the vehicle while it is supported by the Jack The Jack is designed for lifting the vehicle only 4 Place Jack on correct surface Only use this Jack on a stable level clean and dry surface that is capable of sustaining the load 5 Stabilize the load Ensure that the load remains stable at all times Do not move the load while it is on the Jack 6 Vehicle lifting When lifting a vehicle apply the emergency brake and block all of the wheels that will remain on the ground 7 Center load Center the load on the Jack Saddle 7 1 Off center loads can damage seals causing Jack failure 8 Lift only using correct vehicle lift points Read the vehicle manual to find the proper lifting points for the vehi
9. he vehicle being lifted Use your vehicle s owner s manual to determine the specified points on the vehicle to safely position jack stands Once the vehicle is safely positioned over the jack stands slowly turn the Screw Rod 1 4 to the left and move the Handle 1 5 back and forth until the Screw Rod drops as far as it will go Turn the Screw Rod 1 4 right to open the release valve and lower the vehicle onto the jack stands Caution Press lightly on the Screw Rod until you are able to judge the rate at which the vehicle is being lowered To determine if the vehicle is safely up on jack stands stand away and attempt to gen tly rock the vehicle Caution Be prepared for the vehicle to suddenly drop if the jack stands are not properly placed If it sways and seems unstable repeat the procedure and reposition the jack stands Test again Lowering Vehicles 1 2 First clear any tools or equipment from under the vehicle Make sure there are no obstructions and that people are at a safe distance from the vehicle Position the Jack so that the Saddle 7 1 is at one of the recommended lifting points Pull back on the Screw Rod 1 4 and turn it to the right see label on handle to lock the release valve Pump the Handle 1 5 until the Saddle 7 1 fully engages the lifting point then continue to pump the Jack to the needed height above and clear of the jack stands Remove the jack stands Note Position yourself safely so that you are
10. ired 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 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 Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under stood 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 parts listed on pages 9 amp 10 are included If any parts are missin
11. lat tostate 301 Mission Oaks Bird PO 6009 Comariti 99011 800 444 3353 ihc aes pe eee PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTA TION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS 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 SKU 94641 For technical questions please call 1 800 444 3353 Page 10
12. level solid surface If just filling the Jack open the Cover 8 1 with a standard slot screwdriver by removing the two Screws 8 5 Swing the Cover 8 1 open the two Rivets 8 3 act as hinges Then remove the Cover Plate 3 15 by unthreading the 4 Bolts 3 16 and remove the Paper Washer 3 14 Note Take care not to damage or get debris on the Paper Washer 3 14 or Cover Plate 3 15 Using a high quality hydraulic oil fill to the top of the Cylinder Body 3 13 Replace the Cover Plate 3 15 Paper Washer 3 14 and the Bolts 3 16 Close the Cover 8 1 and tighten on the Screws 8 5 Bleeding 1 Follow Step 2 as explained above to fill the Cylinder Body 3 13 as if you were filling with oil Apply pressure on the Saddle 7 1 holding it down Put the Handle 1 5 in the vertical position Turn the Screw Rod 1 4 to the left it should fall down into place Now turn the Screw Rod 1 4 right to open the release valve and hold it there Pump the Foot Pedal 2 1 quickly ten times This will bring all the air out of the system Continue pumping until no more air bubbles appear Fill to the top with a high quality hydraulic oil if necessary Put the Screw Rod back into the normal operating position Replace the Paper Washer 3 14 Cover Plate 3 15 and the Bolts 3 16 Close the Cover 8 1 and tighten the Screws 8 5 Test the Floor Jack Make sure it is functioning properly before attempting to lift a vehi
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