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1). Disconnect air hose from tool.
2). Put the No-Mar Tip to the toe of the safety.

To replace the No-Mar Tip:

To  remove  the  No-Mar  Tip:  Pull  the  no  mar  tip  directly 
away from tool.

FIG. 22

No-Mar Tip

Safety

The nose cap may reduce nailing depth due to its thickness. 
Re-adjustment  of nailing depth is required.

MAINTENANCE

JAM CLEARING

If a nail becomes  jammed in the tool, disconnect the air 
hose  and  keep  the  tool  pointed  away  from  you  while 
clearing the jam.

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Disconnect the tool from the air supply.
Remove nails from the tool.
Insert screwdriver into the driving mechanism.
Tap the screwdriver gently with a hammer. The inserted 
screwdriver should push the driver blade back, freeing 
the nail jam.
Remove  the  bent  nail,  using  needle-nose  pliers  if 

necessary.
Reconnect the tool to the air supply.
Reload the tool with nails.

FIG. 23

When  cleaning  a tool be  careful  not  to  disassembly  any 
portion  of  the  tool  since  internal  components  may  be 
misplaced  or  safety  components  may  be  improperly 
mounted.

 

 

 Certain cleaning agents such as gasoline, carbon 

tetrachloride, ammonia. etc. may damage plastic parts and 
o-rings.

CLEANING

WARNING

Do not attempt to clean by inserting pointed objects through 
openings.

 

 

   

 

 

 

   

 

 

   

 Sharp edges may damage internal components 

causing a serious hazard.
Ventilation  openings,  the  work  contact  element,  and  the
trigger must be kept clean and free of foreign matter
Periodically clean the tool with compressed air.
Clean the magazine. Remove metal or wooden chips which 
may have accumulated in the magazine. Periodically clean 
magazine with compressed air.

WARNING

HOOKUP INSTRUCTIONS FOR 

TOOL TO AIR SUPPLY

STORAGE

When  not  in  use,  the  tool  should  be  disconnected  and 
stored in the storage case in a warm and dry place. When 
tool will not be in use for an extended period, apply a thin 
coat of the lubricant to the steel parts to avoid rust.
Do not store the tool in a cold weather environment.

Keep out of reach of children and personnel unfamiliar with 
tool operation.

 Lock the storage area. Tools are dangerous 

in the hands of personnel unfamiliar with the tool.

WARNING

For better  performance, install  a 3/8 inch quick plug(1/4 
inch NPT threads) with an inside diameter of 0.315 inch 
(8mm) on the nailer and a 3/8 inch quick coupler on the air 
hose.

If  you  like  to  protect  the  surface  of  workpiece  against 
scratches  or  markings  made  by  the  safety,  attach  the 
accessory No-Mar Tip  to the safety.

With ON/OFF switch in OFF position, plug compressor 
into electrical outlet.
Close pressure regulator  by turning all the way to the 
left. Turn compressor ON and let it pump all the way up 
to automatic shut-off pressure.
Attach  air  hose  to  regulator  outlet.  Adjust  pressure 
regulator by turning to the right so that outlet pressure is 

between 180PSI to 330PSI.
Load fasteners into nailer.
Point the nailer in a safe direction while attaching to air 
hose.
Nailer is ready for use. You may need to adjust outlet 
pressure to achieve proper fastener depth.

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RECOMMENDED 
HOOKUP

Summary of Contents for HS10021

Page 1: ...USERS MANUAL Failure to follow warning could result in DEATH OR SERIOUS INJURY WARNING M1002 03 11 V1 HIGH PRESSURE NAILER MODEL HS3490...

Page 2: ...NAL SAFETY TOOL USE AND CARE SERVICE AIR SOURCE CONTENTS JAM CLEARING CLEANING STORAGE HOOKUP INSTRUCTIONS FOR TOOL TO AIR SUPPLY IMPORTANT INFORMATION EXPLANATION OF THE NAILING ACTION GENERAL SAFETY...

Page 3: ...ALWAYS WEAR EAR AND HEAD PROTECTION USE SAFETY EQUIPMENT DRESS PROPERLY STAY ALERT WATCH WHAT YOU ARE DOING AND USE COMMON SENSE WHEN OPERATING A POWER TOOL AVOID UNINTENTIONAL FIRING DO NOT OVERREACH...

Page 4: ...ool can fire when re connected to an air supply The fasteners can be driven or a way from the workpiece hit someone 1 Doing maintenance and inspection 2 Turning the adjuster and top cover 3 Attaching...

Page 5: ...justment Safety No Mar tip Magazine Pusher Hand Grip Trigger Air Plug Switch Button SPECIFICATIONS Product Size Weight Normal Operating Pressure Magazine Capacity Maintenance Firing Mode Fastener Size...

Page 6: ...the air supply fitting attached to the tool handle FIG 2 Using too much oil will cause it to collect in the tool and be noticeable in the exhaust ASSEMBLY INSTALLATION Follow the instructions below t...

Page 7: ...G WARNING DANGER The machine employs a preventive mechanism for unloaded operation The machine enters a state where the push lever stopper runs into the upper part of the push lever and the push lever...

Page 8: ...ll not operate properly 6 With the Nailer off the workpiece pull the trigger Pull the tool Feeder backward and depress the push lever against the workpiece THE TOOL MUST NOT OPERATE If no abnormal ope...

Page 9: ...UATION MECHANISM of this tool will drive a nail each time the push lever is pressed against the wood as long as the trigger is pressed For intermittent operation set the switching device to the upward...

Page 10: ...aw before using Moisture frozen in the tool may impede internal components resulting in the risk of injury and or tool damage ADJUSTING THE NAILING DEPTH Disconnect the tool from the air source before...

Page 11: ...ly clean the tool with compressed air Clean the magazine Remove metal or wooden chips which may have accumulated in the magazine Periodically clean magazine with compressed air WARNING HOOKUP INSTRUCT...

Page 12: ...rn or damaged O rings or seals 1 Inadequate air supply 2 Tool is too dry 3 Exhaust blocked 4 Worn or damaged O rings or seals 1 Driver channel is worn 2 Piston is broken or worn 3 Bent fasteners 4 Dir...

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