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20 Ton Air Over Hydraulic Jack
Model 95553
AsseMbly And OperA tiOn instructiOns
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product
described herein.
®
Distributed exclusively by Harbor Freight Tools .
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this
product. Failure to do so can result in
serious injury.
SaVe THiS
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specifications Operating Pressure 110-120 PSI 16-3/4” without screw extension Maximum Height 20” with screw extension Lifting Capacity 20 Tons (40,000 lb.) Minimum Height 10-1/4” without screw extension Base Dimensions 8-5/8” L x 5-3/16” W Ram Travel 6-½” Hose Size 3/8” x 48” L Air Fitting ¼” NPT with quick release nipple Weight 35 lb. note: All part numbers mentioned in this manual refer to the Parts Lists and Assembly Diagrams on pages 8 - 11. save this Manual You will need the manual for th
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9. Maintain tools with care. Keep tools maintained and clean for better and safer perfor- mance. Follow instructions for lubricating and changing accessories. The handles must be kept clean, dry, and free from oil and grease at all times. 10. remove adjusting keys and wrenches. Check that keys and adjusting wrenches are removed from the tool or machine work surface before beginning work. 11. Avoid unintentional operation. Be sure all safety precautions are followed, lift is secure and vehi
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24. Only use high quality hydraulic jack oil; do not substitute any other type of oil. 25. Warning: the warnings, cautions, and instructions discussed in this in - struction manual cannot cover all possible conditions and situations that may occur. it must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator. 26. WArning: The brass components of this product contain lead, a chemical known to the
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AsseMbly 1. Apply thread seal tape (not included) to the threads and screw the Air Valve (44) onto the Air Hose (43). Air pressure supply Before initial use, a pressurized air supply must be furnished. The hydraulic fluid level must also be checked before use. 1. use proper size and type air pressure line and fittings. The recommended air line for this tool is 3/8” delivering no more than 120 PSI. Air inlet size is 1/4” - 18 NPT. 2. Maintain a proper regulator and moisture trap in your air
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5. Top off jack Reservoir (15) with a high quality hydraulic jack oil, see page 7. 6. Replace the Filler Plug (16). OperA tiOn This is an air-actuated hydraulic bottle jack. The air motor is air pressure activated and drives the hydraulic jack. In the event no air pressure is available, a standard hydraulic piston assembly is provided for hand jacking. 1. Position the Jack on a solid level surface that can withstand the weight of the jack and the load which will be lifted. 2. Be sure the load
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MAintenAnce 1. Periodically check the air and hydraulic fittings for leaks. Repair if any leak is detected. 2. Periodically lubricate all moving points of the Jack. 3. The Hydraulic Ram (13) should be kept clean, free of dirt and water, and protected from corrosion. 4. Oil replA ceMent: a. Place Jack in an upright position. b. Completely lower the Ram (13). c. Remove the Filler Plug (16) and keep it clean. d. Fill with high-quality hydraulic jack oil to the lower rim of the fill hole. e. Purge
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HydrA ulic J AcK pArts list part description Q’ty part description Q’ty 1 Base 1 23 Nut 2 2 Ball 6 24 Lock Washer 2 3 Seal 1 25 Washer 2 4 Release Valve 1 26 Pump Cylinder 1 5 Ball Cup 2 27 O-ring 1 6 Spring 1 28 Nylon Ring 1 7 Spring 1 29 Backup Ring 1 8 Screw 2 30 Piston 1 9 Nylon Ring 1 31 Pin 3 10 Cylinder 1 32 R-Pin 3 11 O-ring 1 33 Connector 1 12 Cup Seal 1 34 Handle Bracket 1 13 Ram 1 35 Ball 1 13.1 Extension Screw 1 36 Ball Cup 1 14 Packing 1 37 Spring 1 15 Reservoir 1 38 Screw 1 16 Fil
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HydrA ulic J AcK AsseMbly diA grAM note: Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts. note: Assemblies 42 and 44 are shown in more detail on page 12. SKU 95553 For technical questions please call 1-800-444-3353. Page 9
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Air MO t Or pArts list part description Q’ty part description Q’ty A1 Air Pump Cylinder 1 A25 O-ring 1 A2 Nut 1 A26 Air Cylinder Cap 1 A3 Sealing Ring 1 A27 Bolt 3 A4 Nylon Ring 1 A28 Coupler Seat 1 A5 Copper Ring 1 A29 Retaining Ring 1 A6 Air Cylinder Seat 1 A30 O-ring 2 A7 Nut 1 A31 Coupler 1 A8 Spring 1 A32 Air Hose 1 A9 Air Pump Piston 1 A33 Lock Lever 1 A10 O-ring 2 A34 Lever 1 A11 Big Piston 1 A35 Nut 1 A12 Air Cylinder 1 A36 O-ring 1 A13 Screw 2 A37 O-ring 1 A14 Lock Washer 2 A38 Packing
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Air MO t Or AsseMbly diA grAM SKU 95553 For technical questions please call 1-800-444-3353. Page 11
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liMited 90 d Ay WArrAnty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installati
