Product Manual
Contents
1. 55 RAM ASSEMBLY 21 PF OW So X OO Figure 4 Replacement Parts for Model HW93731 Replacement Parts and Numbers for Model HW93731 Refer to Figure 3 and Figure 4 20519 1 Bal 225483 1 Pim 203202 3 Bal 39 226019 5 204446 2 CoterPim 40 220331 1 Spring 2101 1 4i 226401 2 Spring 27 224165 1 Rod 59 25455 1 Base 224166 1 HandKnob 60 25490 2 Strap Included in 240579 Repair Kit HW93731 MO 9 228929 AIR HYDRAULIC PUMP ASSEMBLY 226450 228930 228815 223203 3203 PISTON ASSEMBLY 223680 PUMP CYLINDER ADAST p oL Y LV o oo e 226373 E WI 77 AN V WA Wh ASSESS AL hi f A TIN LIEN l EART SS Sp PARAS er y Y ee EZ i AE 231572 221820 V VUVV VV ii 1727722227 ee 219861 221820 228814 225384 225371 226153 224156 222202 224469 242877 2231 0 060 223183 THREAD INTO PISTON TO APPLY LOCTITE 242 COLOR BLUE 0 080 DIMENSIONS SHOWN TO THREADS BEFORE ASSEMBLING PISTON ASSEMBLY 231347 Figure 5 Replacement Parts for Model HW93731 Replacement Parts and Numbers Refer to Figure 5 Bal 2253712. 65 1 66 3 i 6r 0 94 1 i 68 1 Roim _ e 2 5 1 69 2980 2 87 1 Adjust 70 22x2 1 Hw 88 226450 1 71 228 1 oo 2 2 O O 72 29 1 Return Spring 90 228235 1 75 283 1 po O 28 74 2 384 1 Seg S2 228814 1 GandUnt 75 1 8 22815 1 UcupPackng 76 225194 1 Spring amp Rubber Cushing Assy 228816 1 Washer 77 22923 2 226930 1 Piston Assembly a ng amp P 96 228953 79 37 i 80 E 3 Seal 3 223678 226373 1 Adjusting Screw Pump Packing amp Piston 65 67 70 71 72 7 74 75 76 78 79 81 82 242877 1 228929 1 Hydraulic Pump Assembly 223680 231347 1 Piston amp Roll Pin Assembly 224034 Air Cylinder 98 231572 1 Cylinder Cap 224038 Pump Rod 99 236684 1 82 224156 236685 1 Sealing Ring 92 i Included in 240564 Air Hydraulic Pump Repair Kit Included in 240579 Repair Kit HW93731 MO 10 61 AIK MOTOR p Ee L 101 HANDLE ASSEMBLY LESS ITEMS 10 15 16 AND 17 Figure 6 Replacement parts for HW93733 HW93731 MO 11 Replacement Parts and Numbers for Model HW93733 Refer to Figure 6 6 BK9010
3. into the air supply inlet of the lift control valve 9 Connect to air supply and operate for 3 seconds to evenly distribute lubricant 10 Ensure that the jack rolls freely and that the air pump operates smoothly before putting into service Replace worn or damaged parts and assemblies with Hein Werner Authorized Replacement Parts only 11 When installing the air nipple ensure that thread tape or compound is used when servicing connections NOTE This product is fitted to accept the common 1 4 PT air nipple NOTE To ensure dependable trouble free operation an inline air dryer and oiler is recommended e Study understand and follow all instructions provided with and on this device before operating this device Do not exceed rated capacity Use only on hard level surfaces capable of sustaining rated capacity loads This is a lifting device only Never wire clamp or otherwise disable the lift control valve to function by other than operator s hand e immediately after lifting support the vehicle with appropriate means such as jack stands Do not modify or alter this device e Lift only on areas of the vehicle as specified by the vehicle manufacturer Only attachments and or adapters supplied by the manufacturer shall be used Do not use the device for any purpose other than that for which it is intended Failure to heed these markings may result in personal injury and or property damage Leer comprender y segu
4. Unit Release Valve Knob Figure 1 Model HW93731 Components Lifting 1 Connect the air supply inlet to adequate air source 2 Use wheel chocks to help prevent inadvertent shifting and movement of vehicle being lifted 3 Consult vehicle service manual for the location of recommended lift points Position the jack near lift point 4 Close the release valve by turning the release valve knob clockwise until it is firmly closed 5 Squeeze the lift control valve until saddle contacts load 6 Verify proper saddle lift point alignment HW93731 MO Release Valve Knob Tm C4 gt Air Supply Inlet Handle Position Helease Lift Control Valve Air Hose Saddle Handle Fork Hydraulic Unit Shipping Plug not shown Tube Figure 2 Model HW93733 Components 7 Release the grip on the lift control valve when load reaches desired height 8 Transfer the load to appropriately rated support de vices such as vehicle stands immediately NOTE Use only saddle extenders if equipped provided and recommended by the manufacturer of the jack Lift only on the manufacturer s recommended lift points and in accordance with the published guidelines in your vehicle owners manual Lowering 1 Raise load high enough to clear the jack stands then carefully remove jack stands always used in pairs 2 Turn the release valve knob counterclockwise slowly but no more than 1 2 turn If
5. suitable container 3 Fill with oil until just below the rim of the oil filler screw hole Reinstall the oil filler screw and cover plate Note Dispose of hydraulic fluid in accordance with local regulations Lubrication 1 A periodic coating of light lubricating oil to pivot points axles and hinges will help to prevent rust and assure that wheels move freely and the pump function smoothly 2 When used on a daily basis air pump should be internally lubricated before each use Use only good quality air tool lubricant such as 630 AAA Lubriplate If no inline oiler is used pour a teaspoon of air tool oil into the inlet of the air control valve Simply operate the jack using the air feature in order to fully distribute the oil Cleaning Periodically check the ram for signs of rust or corrosion Clean as needed and wipe with an oily cloth Note Never use sandpaper or abrasive material on these surfaces Storage When not in use store the jack s with saddle fully retracted and upright normal use position HW93731 MO 6 TROUBLESHOOTING Symptom Possible Causes Corrective Action Jack will not lift load e Release valve not tightly closed Ensure release valve tightly closed Air supply inadequate e Ensure adequate air supply Jack will lift but not maintain Release valve not tightly closed Ensure release valve tightly closed pressure Hydraulic unit malfunction Contact Hein Werner Tech Service Jack will not lower aft
6. the load fails to lower a Use another jack to raise the vehicle high enough to reinstall jack stands b Remove the malfunctioning jack and then the stands c Using the non malfunctioning jack lower the load by turning the operating handle counterclockwise but no more than 1 2 turn 3 After removing push saddle down to reduce ram exposure to rust and contamination MAINTENANCE See Replacemnet parts section from page 8 to page 12 for detail parts list as reference Important Use only a good grade hydraulic jack oil Avoid mixing different types of fluid and NEVER use brake fluid turbine oil transmission fluid motor oil or glycerin Improper fluid can cause premature failure of the jack and the poten tial for sudden and immediate loss of load We recommend HW93291 or equivalent Adding oil 1 Set jack in its upright level position After lowering saddle fully remove the oil filler plug for HW93733 or air vent screw for HW93731 It may be necessary to remove cover plate on model HW93733 2 Fill with oil until just below the rim of the oil filler screw hole Reinstall the oil filler plug air vent scew and cover plate Changing oil For best performance replace the complete hydraulic fluid at least once per year 1 Remove the oil filler plug for HW93733 or air vent screw for HW93731 with saddle fully lowered It may be neces sary to remove cover plate on model HW93733 2 Lay the jack on its side and drain the fluid into a
7. 0 Ibs Low Pick Up Height 9 1 2 High Lifting Point 17 1 2 Power Raise 5 1 2 Screw Extension 2 1 2 Base Size 8 x 5 1 2 Ram Diameter 2 3 16 Handle Length 50 Wheel Diameter 6 Maximum Air Pressure Supply 150 psi Required Air Pressure For 140 psi for 40 000 Ibs Lifting Loads 125 psi for 35 400 lbs 100 psi for 27 900 Ibs 75 psi for 19 700 lbs HW93731 MO 3 SAFETY INSTRUCTIONS BEFORE USE 1 Inspect the jack before each use Do not use if there are bent broken or cracked components including labels 2 Verify that the product and the application are compatible if in doubt call Hein Werner Technical Service 816 891 6390 3 Read the operator s manual completely and familiarize yourself thoroughly with the product its components and recognize the potential hazards associated with its use before using this product 4 Open the release valve counterclockwise but no more than 2 full turns 5 Locate and remove the oil filler screw plug Ref 13 for Model HW93731 Ref 36 for Model HW93733 on replace ment parts section with ram fully retracted This will help release any pressurized air which may be trapped within the reservoir NOTE For HW93731 please remove the shipping screw and replace it with the air vent screw provided before use 6 Ensure the oil level is just below the oil filler screw hole 7 Reinstall the oil filler screw 8 Pour a teaspoon of good quality air tool lubricant such as 630 Lubriplate
8. 88 1 Release Valve Adaptor 43 BDIS40601 1 8 BJ39900 1 Universal Joint 45 BS116000 1 Ball 5 16 dia 9 BA70733 1 46 BJ788039 23 725550 2 HandleGip 60 A710032 1 CotterPin 31 248428 1 8 80 SpringCap 32 30600031 1 Retaining Ring 9 CB180040 344 13000011 Cylinder B67413 98 95322 4 Bolt 35 BJ990096 2 Male Elbow 99 5100374 1 Screw BK210950 Note No kits are available for the air motor Replace with complete assembly part number 246488 Included in Hydraulic Jack Repair Kit B7001999 A for old model B67413 eg 26A HW93731 MO 1
9. BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGE OR LOSS WHAT SOEVER 3 THE DURATION OF ANY AND ALL EXPRESSED AND IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS LIMITED TO A PERIOD OF TWO 2 YEARS FROM DATE OF PURCHASE some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you oome states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state HW93731 MO 2 SAVE THESE INSTRUCTIONS For your safety read understand and followthe information provided with and on this jack The owner and operator of this equipment shall have an understanding of this jack and safe operating procedures before attempting to use The owner and operator shall be aware that the use and repair of this product may require special skills and knowledge Instructions and safety information shall be conveyed in the operator s native language before use of this product is authorized Make certain that the operator thoroughly understands the potential dangers associated with the use and misuse of the product If any doubt exists as to the safe and proper use of this jack as outlined in this factory authorized manual remove from service immedi
10. HEIN WERNER AUTOMOTIVE Air Actuated Axle J acks Operating Instructions amp Parts Manual Model Number Capacity HW93731 20 Ton HW93733 Low Height Pick Up 20 Ton Made in North America HW93733 HW93731 SFA Companies 2004 10939 N Pomona Ave Kansas City MO 64153 816 891 6390 customerservices heinwerner automotive com Before using this product read this manual and follow all its Safety Rules and Operating Instructions HW93731 MO TABLE OF CONTENTS Warranty P2 save These Instructions P3 Product Description amp Specifications P3 safety Instructions P4 Assembly P5 Operation P5 Maintenance P6 Troubleshooting P7 Heplacement Parts 7 HEIN WERNER AUTOMOTIVE TWO YEAR LIMITED WARRANTY For a period of two 2 years from date of purchase SFA Companies will repair or replace at its option without charge any of its products which fails due to a defect in material or workmanship or which fails to conform to any implied warranty not excluded hereby Performance of any obligation under this warranty may be obtained by returning the warranted product freight prepaid to SFA Companies Warranty Service Department 10939 N Pomona Ave Kansas City MO 64153 Except where such limitations and exclusions are specifically prohibited by applicable law 1 THE CONSUMER S SOLE AND EXCLUSIVE REMEDY SHALL BE THE REPAIR OR REPLACEMENT OF DEFECTIVE PRODUCTS AS DESCRIBED ABOVE 2 SFA COMPANIES SHALL NOT
11. ately Inspect before each use Do not use if there are broken bent cracked or damaged parts including labels are noted Any jack that appears damaged in any way or operates abnormally shall be removed from service immediately If the jack has been or suspected to have been subjected to a shock load a load dropped suddenly unexpectedly upon it immediately discontinue use until jack has been inspected by a Hein Werner authorized service center It is recommended that an annual inspection be done by qualified personnel Labels and Operator s Manuals are available from manufacturer PRODUCT DESCRIPTION Hein Werner Air Actuated Hydraulic Axle Jacks are designed to lift but not sustain rated capacity loads They are designed to be used vertically After lifting loads must be immediately supported by appropriate mechanical means as opposed to hydraulic means such as vehicle stands These jacks are not appropriate for use in lifting or positioning construction trailers mobile homes houses and or other building structures SPECIFICATIONS Model HW93731 Model HW93733 Rated Load Capacity 20 tons 40 000lbs Low Height 9 High Height With Extension 19 3 4 Screw Extension 4 3 4 Lift Cap Diameter 2 Wheel Diameter 8 Chassis Overall Length 20 Width at Wheels 13 1 4 Handle Length 45 Base Size 8 x 17 Min PSI for Rated Load 150 psi Typical Lift Time Full Raise 2 min 15 sec 20 ton 150 psi Rated Load Capacity 20 tons 40 00
12. er unloading Reservoir overfilled Ensure load is removed then drain fluid to proper level e Fluid level low Ensure proper fluid level Air trapped in system does not With ram fully retracted remove oil filler apply for HW93731 with air vent screw to let pressurized air escape then screw installed reinstall oil filler screw Will not lift to full extension Fluid level low Ensure proper fluid level Poor lift performance REPLACEMENT PARTS Not all components of the axle jacks are replacement items but are illustrated as a convenient reference of location and position in the assembly sequence When ordering parts give Model number parts number and description on page 8 to 12 Call or write for current pricing Phone 816 891 6390 or contact Hein Werner Customer Support customerservices heinwerner automotive com 10939 Pomona Ave Kansas City MO 64153 HW93731 MO AIR HYDRAULIC PUMP ASSEMBLY 52 RAM ASSEMBLY 3 A3 y 58 2 Ae 26 T m arr Figure 3 Replacement Parts for Model HW93731 Apply Never Seez or equivalent to threads and face at both ends of 227533 cylinder Ref 44 before assembling Assemble to 234935 base Ref 59 and tighten to crush joint Lubricate Ref 47 O ring Ref 37 O ring and upper and lower Ref 58 tank and Ref 43 tank nut with Lubriplate or comparable lubricant before assembling Tighten to a crush point HW93731 MO 8
13. ir las instrucci nes antes de utilizar el aparato El manual de instrucci nes y la informaci n de seguridad deben estar comunicado en lengua del operador antes del uso No seguir estas indicaci nes puede causar danos personales o materiales To avoid crushing and related injuries Safety Messages NEVER work on under or around a load supported only by hydraulic jack s Be sure all tools and personnel are clear before lowering load Only attachments and or adapters Transfer the load immediately to appropriately rated vehicle stands HW93731 MO 4 supplied by the manufacturer shall be used ASSEMBLY Little if any assembly is required of these jacks Familiarize yourself with the illustrations in the operator s manual Know your jack and how it operates before attempting to use Ensure that the quick connect and lift control valve are secured tightly Use of non hardening thread sealant is recommended DO NOT introduce thread sealant into the hose connection as damage to air motor and related components may occur For model HW93733 see Figure 2 remove square headed shipping plug then install the tube to the reservoir Assemble handle to the handle fork and secure with provided bolt to prevent inadvertent removal Connect 1 4 air nipple not provided to air supply inlet and to adequate air source OPERATION Handle Air Supply Inlet Lift Control Valve Saddle Air Hose Hydraulic
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