Air Actuated Truck Jacks Operating Instructions & Parts Manual Model Number HW93731 HW93733 Capacity 20 Ton 20 Ton Made in the U.S.A. Model HW93731 ! Model HW93733 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. Kansas City, MO 64153 816-891-6390 customerservices@heinwerner-automotive.
Save these instructions. For your safety, read, understand, and follow the information provided with and on this jack. The owner and operator 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. Instructions and safety information shall be conveyed in the operator's native language before use of this jack is authorized.
SPECIFICATIONS Model HW93731 Model HW93733 Rated Load Capacity 20 tons (40,000 lbs) Low Pick Up Height 9-1/2" High Lifting Point 17-1/2" Rated Load Capacity 5-1/2" Screw Extension Screw Extension 2-1/2" Lift Cap Diameter 8" x 5-1/2" Ram Diameter 2-3/16" Handle Length 50" Wheel Diameter 6" Max. Air Pressure Supply 150 psi Required Air Pressure For Lifting Loads 140 psi for 125 psi for 100 psi for 75 psi for 40,000 lb. 35,400 lb. 27,900 lb. 19,700 lb.
PREPARATION OPERATION Lifting 1. Verify that the product and the application are compatible, if in doubt call Hein-Werner Technical Service (816) 891-6390. 2. 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. 3. To familiarize yourself with the basic operation of these jacks, locate and turn the release valve knob: a.
MAINTENANCE 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 functions 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.
Replacement Parts Illustration For Model HW93731 (Part I) - refer to page 8 for parts list 35 1 39 62 23 11 63 42 22 25 60 29 27 2 61 30 19 4 33 48 Air-Hydraulic Pump Assembly 34 (refer to Fig. 5) 39 39 52 Ram Assembly 5, 14 64 29 17 49 20 7 9 15 41 (refer to Fig. 4) 3 13 3 24 B 37 B 43 59 A A 44 58 B 49 54 8 31 47 B 32 12 56 57 16 26 18 A Apply Never-Seez (or equivalent) to threads and face at both ends of Ram Cylinder (Ref# 44) before assembling.
Replacement Parts Illustration For Model HW93731 (Part II) - refer to page 8 for parts list 55 53 17 45 46 38 50 6 40 51 10 21 Figure 4 - Parts Illustration for Model HW93731 -Ram Assembly 95 88 96 93 77 94 Piston Assembly (refer to Fig. 6) 77 72 79 65 87 89 98 69 92 80 101 83 76 Figure 5 - Parts Illustration for Model HW93731 -Air Hydraulic Pump Assembly Apply Loctite #242 (color blue) to threads before assembling Thread into Piston to 73 dimensions shown 0.060" 0.
Replacement Parts List For Model HW93731 - refer to page 6 & 7 for parts drawing Item 1 2 3* 4 Part No.
Replacement Parts Illustration For Model HW93733 (Part I) - refer to page 11 for parts list 13 14, 15 12 16 17 11 18 10 4 3 9 3 1 3 5 2 19 7 6 7 8 Figure 7 - Parts Illustration for Model HW93733 - Main Frame 9
Replacement Parts Illustration For Model HW93733 (Part II) - refer to page 11 for parts list Hydraulic Unit Assembly (includes Air Motor) 50 40 48 20 27 47 57 28 58 49 45 44 47 52 26 34 53 24, 25 33 32 31 30 41 37 29 54 35 43 42 46 23 51 36 55, 56 22 21 38, 39 (in reservoir) Air Motor 59 60 61 62 63 64 65 66 67 68 66 69 70 71 72 73 74 75 Figure 8 - Parts Illustration for Model HW93733 - Air Motor & Hydraulic Unit 10 76
Replacement Parts List For Model HW93733 - refer to page 9 & 10 for parts drawings. Item Part No. Description 1 BK210980SF Top Cover 2 BJ511626SF Item Part No. 1 41 BK729200SF Adapter, Air Motor 1 1 42 BJ580096 1 3 4 BB557523SF Retaining ring, .94D 6 43 BK729100SF Elbow, 78 , 3/8FPTx1/4MPT 2 48002006 Wheel, Rubber 8Dx2.
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.
