MJH‐A1 Manual Feb 26, 2021 SAFETY INSTRUCTIONS TO AVOID SEVERE PERSONAL INJURY OR PROPERTY DAMAGE BEFORE OPERATING THIS TOOL, ALL OPERATORS SHOULD READ AND STUDY THIS MANUAL TO UNDERSTAND AND FOLLOW THE SAFETY WARNINGS AND INSTRUCTIONS. FAILURE TO FOLLOW WARNINGS COULD RESULT IN DEATH OR SERIOUS INJURY.
MJH‐A1 Manual Feb 26, 2021 PRODUCT SPECIFICATIONS 51.00mm (2.00”) Length: 209.77mm (8.26”) Height: 173.43mm (6.83”) Width: 51.00mm (2.00”) 209.77mm (8.26”) Weight: 4.30 lbs Chisel Shank Diameter: .401” Tool Bit Retention: Quick Connect Bore Size: 20.68mm (.814”) Stroke Length: 44.00mm (1.73”) Blows per Second: 37 Adjustable Speed Control 173.43mm (6.83”) Air Inlet Thread: 1/4‐18 NPT Swivel Air Connector Air Hose: 3/8” Working Pressure: 90 PSI (at the tool’s Inlet)
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MJH‐A1 Manual Feb 26, 2021 Instructions: How To Load a Quick Change Hammer Head into the Tool Nail Guide Pull back Spring Release Spring Loaded Collar Loaded Collar Fencing Staple Guide Insert Quick Change Hammer Head Processing Tool with adapter for Chiseling/Scraping/Hammering For standard Processing Tools, insert adapter onto shank before inserting the Quick Change Hammer Head Adapter...
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MJH‐A1 Manual Feb 26, 2021 Instructions: How to Operate the Tool with Quick Change Hammer Heads Please read all of the instructions and warnings carefully before operating the tool. Set the compressor output regulator to a pressure that will create 90 PSI at the end of the hose that the tool will be connected to. Push tool toward work surface Pull the trigger Position the tool so that the Fastener point or tip of Processing Tool is against the work surface Fastener Guide work surface For Nail & Staple Guides, Muzzle Load Fastener into Fastener Guide. For Processing Tools, skip this step...
MJH‐A1 Manual Feb 26, 2021 Maintenance, Trouble Shooting If Tool Runs Slowly or will not operate Care & Maintenance 1) Always remove the tool from the air supply 1) If there is grit or gum in the tool, flush the tool with air‐tool before performing any maintenance on the oil or gum solvent. tool. 2) If there is no oil in the tool, add two or three drops of air‐ 2) To keep the tool properly lubricated, add two tool oil into the air inlet fitting and then briefly operate the or three drops of Air‐Tool Oil daily into the air tool to distribute the oil throughout the tool. inlet fitting. If tool is used heavily, add more 3) If air leaks from the inlet fitting, disconnect the tool from the drops per day. air supply, remove inlet fitting, add thread sealant tape onto 3) If the tool is to be stored for an extended the threads of the fitting and then re‐install inlet fitting. period of time, lightly lubricate the tool and 4) If moisture is observed spraying from the air tool exhaust, briefly operate the tool to insure that the oil water is likely inside the air compressor tank. Disconnect air has been distributed throughout the tool. tool from hose. Unplug compressor from electrical supply. Store the tool in a clean, dry location, out of Release air pressure from the compressor tank and drain the reach of children. water from the air compressor tank. 5) Since air pressure drops through the hose, use a pressure gage at the tool end of the hose and set the compressor Add two or three drops of ...
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MJH‐A1 Manual Feb 26, 2021 If the Nail Guides and/or other Quick Change Hammer Heads become difficult to insert and remove from the tool, the Quick Connect Coupler may need to be re‐aligned as described below. Procedure to re-align the Quick Connect Coupler on the MJH-A1 Tool Universal Nail Guide DPSH‐2010 Quick Connect Coupler Three Set Screws Step 1: Remove the three set screws from the Quick Connect Coupler. Step 2: Slightly loosen the Quick Connect Coupler by unscrewing it slightly.
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MJH‐A1 Manual Feb 26, 2021 If the magnets need to be replaced, follow this procedure Add Epoxy all around To further secure the Magnets in place, add a layer circumference of the of epoxy all around on top of the magnets also holes, then Insert DPSH‐1387 Magnets Slightly lift up on the end of the Heat Shrink Tubing to help lift it out of the recessed diameter, then Slide the Heat Shrink Tubing to expose the magnet holes Note: If need to replace the Heat Shrink Tubing, see chart below showing replacement part numbers for each of the four Nail Guides Slide the Heat Shrink Tubing back over the magnet holes...
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MJH‐A1 Manual Feb 26, 2021 Parts Exploded View & Parts List Shown on Page 11 Note: Item 34 DPSH‐1930 Adapter is a sub‐assembly containing Adapter DPSH‐1867 Shown on and Internal O‐ring DPSH‐1869 Page 12...
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MJH‐A1 Manual Feb 26, 2021 Nail Guides and Hammer Heads DPSH‐2000 Spike Nail Guide DPSH‐2010 Universal (2‐1/2”) Nail Guide DPSH‐2020 1‐1/2” Joist Hanger Nail Guide DPSH‐2060 1‐1/2” Nail Guide for 7/16” Nail Heads DPSH‐2030 Fence Staple Guide (.500” Outside Crown x .131” Straight Leg) DPSH‐2050 Fence Staple Guide (.700” Outside Crown x .164” Straight Leg) DPSH‐1725 Flooring De‐Stapler DPSH‐1720 De‐Nailer DPSH‐1735 Fencing De‐Stapler...
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MJH‐A1 Manual Feb 26, 2021 DPSH‐1593 Conical Chipper DPSH‐1930 Adapter DPSH‐1736 3/4” Wide Un‐Nailer Chisel DPSH‐1930 Adapter DPSH‐1928 2” Wide Un‐Nailer Scraper DPSH‐1930 Adapter DPSH‐2015 Pounding Hammer with 25mm Diameter Replaceable Polyurethane Face DPSH‐2015 DPSH‐1930 Adapter DPSH‐1900 Pounding Hammer with 35mm Diameter Flat Steel Face DPSH‐1900 DPSH‐1930 Adapter DPSH‐1905 Pounding Hammer with 35mm Diameter Convex Steel Face DPSH‐1905 DPSH‐1930 Adapter...
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