Harbor Freight Tools 92840 user manual

Summary of the content on the page No. 1

AIR FLOOR JACK
25 TON / 50 TON
Model 92840
ASSEMBLY and OPERATING
INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
TO PREVENT SERIOUS INJURY OR DEATH,
READ AND UNDERSTAND ALL WARNINGS
AND INSTRUCTIONS BEFORE USE.
© ®
Copyright 2005 by Harbor Freight Tools . All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools

Summary of the content on the page No. 2

Specifications Lift Capacity 25 Tons (Stage 2) to 50 Tons (Stage 1) Lifting Range 8-5/8” to 13-1/4” (Stage 1) 13-1/4” to 19-1/8” (Stage 2) Air Inlet 1/4”-18 NPT Maximum Air Pressure 200 PSI Minimum Air Pressure 150 PSI Air Requirements 9.5 CFM Overall Dimensions 40” L x 10-1/2” W x 60-1/4” Ram (2) Diameter 2-3/4” Weight 174 Lbs. Save This Manual You will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram.

Summary of the content on the page No. 3

8. Do not overreach. Keep proper footing and balance at all times. Do not reach over or across Jack or Jack Stands under a load. 9. Maintain tools with care. Keep tools clean for better and safer performance. Follow instructions for lubricating and changing accessories. Inspect tool cords and air hoses periodically and, if damaged, have them repaired by an authorized technician. The handle must be kept clean, dry, and free from oil and grease at all times. 10. Disconnect air supply. Disconnect

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Specific Jack Safety Instructions Warning!! Stand clear of the Jack when raising or lowering a vehicle. 1. Jack Capacity. Never exceed the Jack’s capacity of 25 Tons (Stage 2) or 50 Tons (Stage 1). Check the vehicle’s owner’s manual to determine the actual gross weight of your vehicle before attempting to lift it. Never attempt to lift a load greater than 25 Tons above the Stage 1 level. 2. Never ride on the Jack. Never ride on the Jack, and never have people or pets in the vehicle you are

Summary of the content on the page No. 5

Air Connection Two Stage Jack For best service you should incorporate an oiler, regulator, and inline filter, as shown in the diagram above. Hoses, couplers, oilers, regulators, and filters are all available at Harbor Freight Tools. 1 1. You will need to prepare a / ” air connector (not included) to connect to the Air Inlet 4 1 (29) on the Handle (40) of the Jack. First, wrap the / ” air connector with pipe thread 4 3 seal tape before threading it into the Air Inlet (29). Connect the / ” ID a

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Operation Raising the Vehicle Note: This Two Stage Jack comes with two Adapters (1). The two Adapters (1) are stored by the wheels of the Jack (see FIGURES 2 and 3). FIGURE 2 Both Adapter (1) extensions on. Note: The Handle is adjustable. You can position it into any of the slots shown in FIGURE 3 below by pulling the Handle Position Lever, and moving the Handle until the lever drops into place (see FIGURE 1 on page 5). FIGURE 3 Adapter (1) Adapter (1) Warning! The Jack and vehicle being lifte

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Operation (continued) Lowering the Vehicle 1. First, clear any tools or equipment from under the vehicle. Make sure there are no obstructions and that people are at a safe distance from the vehicle. Note: Position yourself safely so that your body is not under any part of the vehicle before lowering the Jack or removing the jack stands. 2. Position the Jack so that the Ram (2) is at one of the recommended lifting points. Turn the Lever (27) to the right toward the UP arrow on the Controls (see

Summary of the content on the page No. 8

Parts List Part No. Description Qty. Part No. Description Qty. Part No. Description Qty. 1 Adapter 2 35 Rod 1 69 Washer 5 2 Ram 1 36 Pin 1 70 Screw 5 3 Dust Ring 1 37 0-ring 3 71 Spring 1 4 0-ring 1 38 Bolt 2 72 Spring 1 5 Piston Rod 1 39 Spring Washer 4 73 Spring 1 6 0-ring 1 40 Handle 1 74 0-ring 1 7 y-ring 1 41 Bolt 2 75 Union 1 8 Bushing 1 42 Union 1 76 Box 1 9 Sp. Washer 1 43 Ring 4 77 Spg. Washer 4 10 Plate 1 44 Tube 2 78 Bolt 4 11 0-ring 1 45 Union 1 79 Bolt 1 12

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Assembly Drawing SKU 92840 For technical questions, please call 1-800-444-3353 Page 9