Service Jacks Operating Instructions & Parts Manual Model Number HW93657 HW93667 (Air/Manual) HW93660 HW93662 (Air/Manual) Capacity 4 Ton 4 Ton 10 Ton 10 Ton Model No. HW93657 & HW93660 ! 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 needed 1. Needle nose locking pliers 2. Snap-ring pliers (Model HW93657 & HW93667 only) 3. 15 /16" wrench (Model HW93660 & HW93662 only) 4. Hammer 5. Tape measure 6. All necessary hardware is included and is assembled loosely onto the jack Instructions 1. For HW93657 and HW93667: (see figure 1) Remove the retaining rings and the handle pin from the jack base that connects through the handle fork.
Release Valve Knob Air Control Valve Release Valve Knob Handle Saddle Handle Fork Handle Lift Arm Handle Fork Air Vent Screw (below cover plate, on power unit) Front Wheel Lift Arm Saddle Air Vent Screw (below cover plate, on power unit) Air Motor Caster Figure 3 - Model HW93657 & HW93660 Nomenclature Caster Front Wheel Figure 4 - Model HW93667 & HW93662 Nomenclature OPERATION Lifting ! Only attachments and/or adapters supplied by the manufacturer shall be used.
MAINTENANCE 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 failure of the jack and the potential for sudden and immediate loss of load. We recommend Hein-Werner hydraulic jack oil HW 93291 or equivalent. 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 (refer to parts list on page 8) 234696 241982 241990 Handle Assembly 234695 227399 228354 ������ ��������������� ���������������������� Figure 5 - Parts Illustration for Model HW93657 6
Model HW93657 Replacement Parts Illustration Part II - Hydraulic Unit (refer to parts list on page 8) ������ ����������������������� 230583 Ram Assembly ������ ������������ 203199 (1/4” O.D.
Model HW93657 Replacement Parts List (refer to figures on page 6 & 7) Part# Description Qty. Part# Description Qty. Part# Description Qty. 200003* 200472 201110 201479 201733 Gasket Screw Lockwasher Lockwasher Plug 1 2 4 2 1 221742 221764* 221766 221770 221771* Ball Stop Plug (3/4" L) Ram Quad Ring Cylinder Low Pressure Pump Washer 1 1 1 1 1 230583 231316 231583 231638 231710 Ram Assy. Vent Valve Assy.
Model HW93660 Replacement Parts Illustration Part I (refer to parts list on page 11) 230006 241551 ` 244253 214538 244317 230407 ������ ���������������� Figure 7 - Parts Illustration for Model HW93660 9
Model HW93660 Replacement Parts Illustration Part II - Hydraulic Unit (refer to parts list on page 11) ������ ����������������������� 245119 ������ ������������ 229956 229900 Figure 8 - Parts Illustration for Model HW93660 (Hydraulic Unit) 10
Model HW93660 Replacement Parts List (refer to figures on page 9 & 10) Part# Description 200003 200472 201110 201115 201481 201733 201784 201789 203198* 203199* Gasket Bolt Lockwasher Lockwasher Lockwasher Expansion Plug Lockwasher Lockwasher Ball Ball 203200* 203201* 203207* 203272 203297 203299 203323 203332 203344 204270 Part# Description 1 2 4 2 2 1 1 2 1 1 220769 221739 221742 221770 221771* 221772 221781 221809 221937 221938 Cross Pin Poppet Ball Stop Plug Speed Pump Back-up Washer Quad Ring H
Model HW93662 Replacement Parts Illustration Part I (refer to parts list on page 14) 229999 ������ ��������������� Figure 9 - Parts Illustration for Model HW93662 12
Model HW93662 Replacement Parts Illustration Part II - Hyd. Unit (refer to parts list on page 14) ������ ����������������������� 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 ������ ��������������������������� CAUTION Do not overtighten. 229754 tube must not protude into I.D. pump cylinder Piston Assembly 35100007 ������ ��������������� Piston Figure 11 - Parts Illustration for Model HW93662 (Air Hyd.
Model HW93662 Replacement Parts List (Cont.) Part# Description 1 1 1 1 1 230008 230010 230011 230407 231316 1 2 1 1 1 1 1 1 1 1 Bracket Caster Spacer Universal Assy. Filler Plug & Gasket Assy. 231347 231419 231420 231430 Piston & Roll Pin Fulcrum Pin Bolt Parallel Link 1 1 2 2 229889* 229896 229898 229899* 229900* O-ring 1 Ram & Cylinder Assy.1 Cylinder 1 U-cup Packing 1 Back-up Washer 1 231474 231572 231604 231619 231638 Bell Crank & Fittings 1 Cylinder Cap 1 Piston Assy.
Model HW93667 Replacement Parts Illustration Part I (refer to parts list on page 18) ��������������� ������ ��������������� ���������������������� Figure 12 - Parts Illustration for Model HW93667 16
Model HW93667 Replacement Parts Illustration Part II - Hyd. Unit (refer to parts list on page 18) ������ ����������������������� ������ ������������ Figure 13 - Parts Illustration for Model HW93667 (Hyd.
Model HW93667 Replacement Parts Illustration Part III - Air Hyd. Pump ������ ��������������������������� Piston Assembly 242162 35100007 ������ ��������������� Figure 14 - Parts Illustration for Model HW93667 (Air Hyd.
Model HW93667 Replacement Parts List (cont.) Part# Description 233917* 233921 234976 236684 Plastic Spring Release Stem Cap Housing Piston 2 1 2 1 1 236685 240564 241780 241885 241887 241889 Sealing Ring 1 Repair Kit (Hyd. Pump)1 Handle 1 Bellcrank 1 Handle Socket 1 Lift Cap 1 Release Link Extension Rod Turning Rod Assy. Cotter Pin U-cup 1 1 1 1 1 241894 241895 241907 241955 241956 Sideplate Assy 1 Hydraulic Unit Cover 1 Repair Kit (Hyd.
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.
