Harbor Freight Tools 92840 User's Manual
Contents
1. Ring 46 Screw 80 Spg Washer O ring 47 Bolt Valve Base y ring 48 Switch Case O ring Ring 49 O ring Bushing O ring 50 Union Ring Bushing Tube y ring Union Air Pipe Assy Bolt Hand Ring Union Piston Rod Ring Tube Plate Screw Union Big Piston Wheel Oil Box Pro Ring Sp Washer Bolt O ring Rod Sp Washer Pump Body Sp Washer Union Bushing Oil Plug O ring Seal Washer Lever Cover Small Piston Ring Spring Cover Air Inlet Rel Rod Ball Sp Base Spring Cyl Base Valve Block Bearing Ship Plug O ring Sp Seat O ring Valve Body Spring Union Screw 00 NI OD O1 A OIN 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 DISTRIBU TOR 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 TH2. CENTRAL HYDRAULICS AIR FLOOR JACK 25 TON 50 TON Model 92840 ASSEMBLY and OPERATING INSTRUCTIONS Distributed Exclusively by 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com TO PREVENT SERIOUS INJURY OR DEATH READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2005 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 Lift Capacity 25 Tons Stage 2 to 50 Tons Stage 1 Lifting Range 8 5 8 to 13 1 4 Stage 1 13 1 4 to 19 1 8 Stage 2 Air Inlet 1 4 18 NPT Maximum Air Pressure 200 PSI Minimum Air Pressure 150 PSI Air Requirements 9 5 CFM Overall Dimensions 40 L x 10 1 2 W x 60 1 4 Ram 2 Diameter 2 3 4 Weight 174 Lbs 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
3. ERETO NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 92840 For technical questions please call 1 800 444 3353 Page 8 Assembly Drawing 0 L rp y 93 60 AO yO e a y A 1 1 90 89 py B5 84 83 82 D BB Page 9 For technical questions please call 1 800 444 3353 SKU 92840
4. ack failure 8 Lift only using correct vehicle lift points Read the vehicle manual to find the proper lifting points for the vehicle 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 Industrial applications must follow OSHA requirements 12 Never move jack when under load The wheels are intended for NO LOAD movement only 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 on the cover of this manual as soon as possible Assembly Before use the Shipping Plug 99 must be removed and replaced with the Oil Plug 26 The Oil Plug 26 is hanging from the Shipping Plug Changing these plugs must be done prior to running the unit See FIGURE 4 under Maintenance on page 7 Save the Shipping Plug 99 for any further transport SKU 92840 For technical questions please call 1 800 444 3353 Page 4 Air Connection Air Hose Line Valve AIR a a GA OE COMPRESSOR Air Hose on Reel Regulator Recommended Air Line Components For best service you should incorporate an oiler regulator and inline filter as shown in the diagram above Hoses couplers oilers regulators and filters are all available at Harbor Freight Tools 1 You will need to p
5. 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 or equipment in damp or wet locations Don t expose to rain Keep work area well lit Do not use electrically powered compressors in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools extension cords or air hoses 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 7 Use eye protection Always wear ANSI approved impact safety goggles Wear heavy work gloves SKU 92840 For technical questions
6. d by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator SKU 92840 For technical questions please call 1 800 444 3353 Page 3 Specific Jack Safety Instructions Warning Stand clear of the Jack when raising or lowering a vehicle 1 Jack Capacity Never exceed the Jack s capacity of 25 Tons Stage 2 or 50 Tons Stage 1 Check the vehicles owner s manual to determine the actual gross weight of your vehicle before attempting to lift it Never attempt to lift a load greater than 25 Tons above the Stage 1 level 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 lower vehicle After raising the vehicle use jack stands to keep the vehicle suspended for any period of time Do not work on around or under the vehicle while it is supported by the Jack 4 Place Jack on correct surface Only use this Jack on a stable smooth level clean and dry surface that is capable of sustaining the load ie thick cured concrete or thick steel This Jack has exposed hoses in its undercarriage Stabilize the load Ensure that the load remains stable at all times 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 Ram 2 Off center loads can damage seals causing J
7. grounded surfaces such as pipes radiators ranges and refrigerator enclosures 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 judgement or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Use proper size and type extension cord If an extension cord is required for the air compressor it must be of the proper size and type to supply the correct current to the compressor without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the compressor Check your air compressor s manual for the appropriate size cord Maintenance For your safety maintenance should be performed regularly by a qualified technician Compressed air only Never use combustible gas as a power source Note Performance of the compressor if powered by line voltage may vary depending on variations in local line voltage Extension cord usage may also affect tool performance 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 stoo
8. ou can remove the jack stands Then turn back the Lever 27 to the neutral position and remove the jack stands Lower the load slowly in a controlled fashion Turn the Lever 27 slightly to the left toward the DOWN arrow on the Controls see FIGURE 1 on page 5 and allow the load to lower slowly Remove the Jack from under the vehicle Disconnect the air supply Maintenance Keep the Jack clean and dry When not in use store in a dry location to inhibit rust Always lock up equipment and keep out of reach of children Have a qualified service technician periodically dismantle and lubricate the handle assembly and all lift arm linkages Before each use check the oil level through the oil plug hole shown in FIGURE 4 below Make sure it is full before each use Fill oil if necessary by removing the Oil Plug 26 Watch for hydraulic oil leaks If leaks are present contact a qualified service techni cian Have a qualified service technician change the oil and lubricate the Jack annu ally ESES SKU 92840 For technical questions please call 1 800 444 3353 Page 7 Parts List Description Part No Description l Part No Description Adapter 35 Rod 69 Washer Ram 36 Pin 70 Screw Dust Ring 37 O ring 71 Spring O ring 38 Bolt 72 Spring Piston Rod 39 Spring Washer T3 Spring O ring 40 Handle 74 O ring y ring 41 Bolt 75 Union Bushing 42 Union 76 Box Sp Washer 43 Ring Ti Spg Washer Plate 44 Tube 78 Bolt O ring 45 Union 79 Bolt
9. please call 1 800 444 3353 Page 2 10 11 12 13 14 19 16 17 18 19 Do not overreach Keep proper footing and balance at all times Do not reach over or across Jack or Jack Stands under a load Maintain tools with care Keep tools clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords and air hoses periodically and if damaged have them repaired by an authorized technician The handle must be kept clean dry and free from oil and grease at all times Disconnect air supply Disconnect air hose when not in use Avoid unintentional starting Be sure the controls are in the neutral position when not in use and before plugging in Do not move any tool while touching the controls whether it is connected to the air or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 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 Do not use the tool if the controls do not operate properly Guard against electric shock Prevent body contact with
10. repare a 1 4 air connector not included to connect to the Air Inlet 29 on the Handle 40 of the Jack First wrap the 1 4 air connector with pipe thread seal tape before threading it into the Air Inlet 29 Connect the 3 8 ID air source hose to a quick connect coupler and then to the Impact Wrench See FIGURE 1 Note If you are not using an automatic oiler system before operation add a few drops of Pneumatic Tool Oil to the airline connection Add a few drops more after each hour of continual use 2 Set the air pressure on the regulator to 150 200 PSI Do not exceed the recom mended air pressure of 200 PSI 3 Check the air connection for leaks Disconnect from the air source FIGURE 1 Lever 27 Air Inlet 29 Controls Explanation Handle 40 Handle Position Lever SKU 92840 For technical questions please call 1 800 444 3353 Page 5 Operation Raising the Vehicle Note This Two Stage Jack comes with two Adapters 1 The two Adapters 1 are stored by the wheels of the Jack see FIGURES 2 and 3 FIGURE 2 Both Adapter 1 extensions on Note The Handle is adjustable You can position it into any of the slots shown in FIGURE 3 below by pulling the Handle Position Lever and moving the Handle until the lever drops into place see FIGURE 1 on page 5 FIGURE 3 Adapter 1 Adapter 1 Warning The Jack and vehicle being lifted must be stable when lifted so they do not fall and cause per
11. sonal injury Keep spectators away from the work area Read the vehicle manual to find the proper lifting points for the vehicle 1 Position the Jack under the vehicle to be lifted is at one of the recommended lifting points Connect to the air source and turn on the compressor Turn the Lever 27 to the right toward the UP arrow on the Controls see FIGURE 1 on page 5 Lift the load slightly and check that the load is stable on the jack If not lower the load and check that the vehicle has no load on it and that the jack is in the proper position Allow the Jack to rise to the desired level and then move the Lever 27 into the neutral position between the UP and DOWN positions shown in FIGURE 1 2 Place jack stands not included under the vehicle before attempting to do any work on in under or around the vehicle SKU 92840 For technical questions please call 1 800 444 3353 Page 6 Operation continued Lowering the Vehicle 1 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 Note Position yourself safely so that your body is not under any part of the vehicle before lowering the Jack or removing the jack stands Position the Jack so that the Ram 2 is at one of the recommended lifting points Turn the Lever 27 to the right toward the UP arrow on the Controls see FIGURE 1 on page 5 Raise the Jack just enough so that y
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