Service Jacks Operating Instructions & Parts Manual Model Number HW93657 HW93667 (Air/Manual) HW93660 HW93662 (Air/Manual) Model No. HW93657 & HW93660 ! Capacity 4 Ton 4 Ton 10 Ton 10 Ton Made in the U.S.A. Model No. HW93667 & HW93662 This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. SFA Companies 10939 N. Pomona Ave.
SAFETY AND GENERAL INFORMATION Save these instructions. For your safety read, understand, and follow the 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 use and repair of this product may require special skills and knowledge.
ASSEMBLY Equipment required: 1. Needle nose locking pliers 2. Snap-ring pliers (Models HW93657 & HW93667 only) 3. 15 /16" wrench (Models HW93660 & HW93662 only) 4. Hammer 5. All necessary hardware is assembled loosely onto the jack. #6-32 Screw & Nut Retaining Ring & Washer Handle Pin Instructions 1. Models HW93657 and HW93667: (ref. figure 1) Remove the retaining rings and the handle pin from the jack base that connects through the handle fork. Models HW93660 and HW93662: (ref.
Release Valve Knob Release Valve Knob Handle Saddle Handle Lift Arm Saddle Lift Arm Front Wheel Air Vent Screw (below cover plate, on power unit) Handle Fork Handle Fork Air Vent Screw (below cover plate, on power unit) Front Wheel Air Motor Caster Caster Figure 3 - Model HW93657 & HW93660 Nomenclature Figure 4 - Model HW93667 & HW93662 Nomenclature OPERATION Lifting ! WARNING: Only attachments and/or adapters supplied by the manufacturer shall be used. 1.
MAINTENANCE NOTICE: 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 failure of the jack and the potential for sudden and immediate loss of load. Hein-Werner hydraulic jack oil HW93291 or equivalent is recommended. Adding oil 1. Lower saddle fully. 2. Set jack in its upright, level position. 3. Locate and remove air vent screw. 4.
Model HW93657 Replacement Parts Illustration Part I (ref. parts list on pg.
Model HW93657 Replacement Parts Illustration Part II - Hydraulic Unit (ref. parts list on pg. 8) 241993 Hydraulic Unit Assembly 230583 Ram Assembly 222257, 204846 230583 Ram Assembly 203199 (1/4” O.D.
Model HW93657 Replacement Parts List (ref. to illustrations on pg.
Model HW93660 Replacement Parts Illustration Part I (ref. parts list on pg.
Model HW93660 Replacement Parts Illustration Part II - Hydraulic Unit (ref.parts list on pg.
Model HW93660 Replacement Parts List (ref. illustrations on pg.
Model HW93662 Replacement Parts Illustration Part I (ref. parts list on pg.
Model HW93662 Replacement Parts Illustration Part II - Hyd Unit (ref. parts list on pg. 14) 241552 Hydraulic Unit Assembly 229904, 204846 222201, 204846 Note: Poppet valve operates until it reaches 150 psi. then the Poppet valve opens & allows the high presure circuit to open for raising the load.
Model HW93662 Replacement Parts Illustration Part III - Air Hyd. Pump 229999 Air-Hydraulic Pump Assembly CAUTION Do not overtighten. 229754 tube must not protude into I.D. pump cylinder Piston Assembly 35100007 231604 Piston Assembly Piston Model HW93662 Replacement Parts List (ref. illustrations on pgs.
Model HW93662 Replacement Parts List (cont.) Part# Description Qty Part# Description 221938 222095 222098 222201* BJ479096 Roll Pin Release Stem Assy. Speed Pump Assy.
Model HW93667 Replacement Parts Illustration Part I (ref. parts list on pg.
Model HW93667 Replacement Parts Illustration Part II - Hyd Unit (ref. parts list on pg. 18) 241994 Hydraulic Unit Assembly 222257, 204846 230583 Ram Assembly Figure 13 - Parts Illustration for Model HW93667 (Hyd.
Model HW93667 Replacement Parts Illustration Part III - Air Hyd. Pump 242160 Air-Hydraulic Pump Assembly Piston Assembly 242162 BJ479096 35100007 242162 Piston Assembly Figure 14 - Parts Illustration for Model HW93667 (Air Hyd. Pump) Model HW93667 Replacement Parts List (ref. illustrations on pgs.
Model HW93667 Replacement Parts List (cont.
TWO YEARS 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 under normal usage. This limited warranty is a consumer's exclusive remedy. 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.
