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Air Actuated 

Hydraulic Jacks

 

 

Operating Instructions & Parts Manual 

 

Model 10439 

Capacity 44 Ton

 

 

 

 

 
 
Save these instructions.  

For your safety and the safety of others around you, read carefully before attempting 

to assemble, service or use your jack.  Observe all safety and warning information.  Always wear safety glasses 
when operating this product.  Failure to comply with the information contained within could result in severe, even 
fatal injury and/or property damage. 
 
 
 

Summary of Contents for 10439

Page 1: ...afety and the safety of others around you read carefully before attempting to assemble service or use your jack Observe all safety and warning information Always wear safety glasses when operating this product Failure to comply with the information contained within could result in severe even fatal injury and or property damage ...

Page 2: ...ubt call ESCO Technical Service 800 352 9852 352 754 1117 2 Before using this product read the owner s manual completely and familiarize yourself thoroughly with the product and the hazards associated with it s improper use 3 Open the release valve counter clockwise no more than 2 full turns 4 With ram fully retracted locate and remove the oil filler plug This will help release any pressurized air...

Page 3: ...BEFORE LIFTING NEVER WORK ON UNDER OR AROUND LOAD UNTIL IT IS PROPERLY SUPPORTED TRANSFER THE LOAD IMMEDIATELY TO APPROPRIATELY RATED JACK STANDS DO NOT USE THIS PRODUCT FOR ANY PURPOSE OTHER THAN THAT FOR WHICH IT WAS INTENDED IT IS OWNER S RESPONSIBILITY TO KEEP LABELS AND INSTRUCTIONAL MATERIAL LEGIBLE AND AVAILABLE REPLACEMENT LABELS AND MANUALS ARE AVAILABLE FROM THE MANUFACTURER FAILURE TO H...

Page 4: ...ate Lubrication 1 A coating of light lubricating oil to pivot points axles and hinges will help to prevent rust and assure that wheels casters and pump assemblies move freely 2 Periodically check the pump piston and ram for signs of rust or corrosion Clean as needed and wipe with an oily cloth NEVER USE SANDPAPER OR ABRASIVE MATERIAL ON THESE SURFACES TROUBLE SHOOTING Symptom Possible Cause Correc...

Page 5: ...EXPLODED DRAWING ...

Page 6: ... Protecting Ring 1 4 04 Pothook 1 1 20 0 Ring 1 2 34 Washer 1 4 05 Connecting Nut 1 1 21 Dust Protecting Ring 1 2 35 Cap 1 4 06 Air Filler 1 1 22 Top Cover 1 2 36 Screw 1 4 07 Air Valve Body 1 1 23 Spring 4 2 37 Nut 1 4 08 Pin 1 1 24 Bolt 4 2 38 Bolt 3 4 09 Spring 1 25 Nut M6 6 2 39 Washer 13 4 10 Sealing Washer 1 1 26 Adapter 2 40 Bolt 4 4 11 Valve Rod 1 1 27 Pin 1 2 41 0 ring 1 4 12 0 Ring 1 1 2...

Page 7: ...ANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS LIMITED TO A PERIOD OF ONE 1 YEAR FROM DATE OF PURCHASE Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you Some states do not allow the exclusions or limitation of incidental consequential damages so the above limitation or exclusion may not apply to you This warra...

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